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Disc Couplings

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D-1

Disc Couplings

General Overview

Lovejoy brings to market the best disc coupling yet to be offered. This disc coupling joins the wide range of Lovejoy couplings that are already in use throughout the world. Lovejoy has teamed up with its partner, Jaure of Zizurki, Spain to offer the disc coupling in several variations to cover all the industrial requirements for these low maintenance, long life couplings. The Lovejoy/Jaure disc coupling utilizes the latest design efforts through Finite Element Analysis, extensive testing of materials and couplings, and several years of operational experience in actual applications. The Lovejoy/Jaure disc coupling is manufactured in the ISO 9001 certified manufacturing facilities of both companies. The improvements in this coupling come from modifying the disc profile by using the latest Finite Element Analysis. As a result of the development work, the Lovejoy/Jaure disc coupling 6 bolt type can operate at 1.5° misalignment (see graphs on following pages). The coupling can do so up to 50% torque capability. The coupling imposes smaller forces on the bearings for a given misalignment and transmits more torque than other competitive couplings.

Types of couplings include the three piece industrial spacer unit used for general industrial applications and on OEM equipment. The 5-piece drop-out coupling is specially suited for refinery and API type applications. The close coupled units fit in place of standard gear couplings. The SXGS reduced moment type and the DIR drop out type can replace gear coupling floating shaft units by matching up to the existing gear coupling rigid hubs mounted on the driver and driven equipment. Variations to these can also be made as shown on the back pages of this catalog.

Advantages of the Lovejoy/Jaure disc coupling

No need for lubrication and maintlenance. The coupling can be inspected without disassembly. Additionally, the condition of the discs can be checked while the machine is running, using a strobe light.* The machine misalignment can be assessed. Torsionally rigid without any backlash. No wearing parts, high resistance to harsh environmental conditions. Infinite life if properly aligned. If misalignment is kept within specified limits, these couplings can last as long as the machines on which they are installed. High power density (more torque for a given overall diameter). It should be noted that disc couplings will impose high axial forces on the thrust bearings if the machines are not properly spaced. The piloting of the disc pack to the hub is a key factor especially for high speed applications. The Lovejoy/Jaure disc coupling uses fitted bolts as pilots, but for high speed applications has also found a straight-forward method of piloting the disc packs to their hubs (see below). By machining rabbets in the washers that are used to unitize the disc pack,** it ensures the repeatability of residual unbalance standards, as mandated by API 671.

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Disc piloting

*It is not recommended that the coupling be operated without a guard. **Patent Pending.

Note: Specifications are subject to change without notice, and without liability therefore.

D-2

Disc Couplings

offset

General Overview

The angular misalignment between shafts can vary from 0 to 2 times as per the figure shown:

= represents the angular misalignment per disc-pack.

°

(for Lamidisc-6 under 202) = 1.5° ° (for Lamidisc-8) = 0.5° (for Lamidisc-10) = 0.4°

offset

° °

2 2x °

The discs of the Lovejoy/Jaure couplings are made of high-grade stainless steel (AISI-301), ensuring not only a high strength and high endurance to fatigue, but also the resistance to most environmental conditions. Furthermore, discs can be covered with a low friction coefficient coating to improve the resistance to fretting wear. The coupling utilizes unitized disc packs with 6, 8 and 10 bolts. The greater the number of bolts, the higher the torque that can be transmitted, but the coupling can accommodate less misalignment. The disc couplings can be fitted with overload bushings which serve as an anti-flail device. The Lovejoy/Jaure couplings are offered in a variety of configurations to fit most applications. In addition, our engineering department can customize a coupling to special requirements: close-cropped, drop-out, electrically insulated, vertical mounting, safety couplings, etc. A notable design is our Lovejoy/Jaure reduced moment coupling, that not only has the anti-flail device mandated by API 610, but offers a low weight and a short center of gravity to bearing distance. The design and manufacture of the disc coupling is integrated into a certified Quality System according to ISO 9001 to fulfill the high quality requirements of Lovejoy/Jaure disc couplings.

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Different disc profiles

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Disc Couplings

Selection procedure

Selection Data

1. Select the coupling type. 2. Select the driven machine service factor SFA from Table 1. 3. Select the driving machine service factor SFD from Table 2. Care should be taken when the driving machine is other than a standard electric motor or turbine. Some engines will impose extra fluctuations on the drive system and allowance should be made accordingly. Please refer to Table 2. A torsional coupling may be required for diesel drives. The two service factors SFA and SFD must be added resulting in the combined service factor SF. Driven machine service factor SFA Table 1. SF = SFA + SFD

Driven equipment

BLOWERS , FANS

Centrifugal Lobe / Vane / Turboblowers Forced draught fans Induc.draught with damper Induc.draught without control Cooling towers

SFA

1.0 1.25 1.5 1.5 2.0 2.0 1.0 1.5 1.25 1.75 1.75 1.0 1.25 1.75 3.0 1.75

MARINE APPLICATIONS MINING AND STONES

Crushers Mills Mine ventilators Vibrators

2.5

2.5 2.5 2.0 1.5 1.5 2.0 2.0 2.0 2.25 2.0 2.0 2.0 2.0 2.0 2.0 1.75 1.0 1.5 2.0 1.5 3.0 2.0 1.75 1.5 2.5 1.5 2.0 2.5 1.5 2.0 1.5 2.0 3.0 2.5 2.5 2.5 2.0 2.0 1.5 1.5 2.5 1.5 2.5 1.5

Tube and welding machines Winding machines Wire drawing benches

2.0 1.5 1.5

RUBBER INDUSTRY Extruder

Calender Mixing mill / Refiner / Crusher

1.75

2.0 2.5 1.5 2.5 2.0 2.0 1.5 1.5 1.5 1.5 1.5 2.0

OIL INDUSTRY

Pipeline pumps Rotary drilling equipment

STEEL PLANTS

Blast furnace blowers Converters Inclined blast furnace elev. Crushers

CHEMICAL INDUSTRY

Agitators (thin liquid) Agitators (viscous liquid) Centrifuges (light) Centrifuges (heavy) Mixers

PAPER INDUSTRY

Calenders Couches Drying cylinders Pulpers Pulp grinders Suction rolls Wet presses Reels Agitators

TEXTILE MACHINES

Printing and drying machines Tanning vats Calenders Looms

COMPRESSORS

Centrifugal Lobe/Rotary Turbocompressors Reciprocating: 1 to 3 cylinders 4 or more cylinders

WATER AND WASTE INDUSTRY

Aerators , Screw pumps , Screens.

PLASTIC INDUSTRY

Calenders, Crushers , Mixers.

WOOD WORKING MACHINERY

Trimmers, Barkers , Saws, Planes The factors in Table 1 are for general guidance and can be modified by customers´ specialist knowledge of their own equipment.

CONVEYOR, HOISTS, ELEVATORS

Conveyors: Screw / Apron / Belt / Chain Bucket / Rotary / Lifts Reciprocating Hoists: Medium duty Heavy duty Elevators: Centrifugal and gravity disch.

PUMPS

1.25 1.5 3.0 2.5 3.0 1.25 Centrifugal,General Feed or Boiler Feed Centrifugal , Slurry Centrifugal , Dredge Rotary / Gear / Lobe or Vane Reciprocating : 1 cylinder 2 cylinder , single acting 2 cylinders , double acting 3 cylinders or more

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Driving machine service factor SFD Table 2.

DREDGERS FOOD INDUSTRY

Packaging machines and fillers. Kneading machines. Cane crushers Cane cutters Cane mills Sugar beet cutters Sugar beet washing machines

2.0

1.25 1.5 1.5 1.5 2.0 1.5 1.5 1.0 1.5 2.0 2.0 1.5 2.0 2.0 1.5 2.0

Driving equipment

Multi-cylinder engine 8 or more 6 4 or 5 Less than 4

SFD

0.5 1.0 1.5 Refer to Lovejoy 0.8 0

ROLLING MILLS

Billet shears Chain transfers Cold rolling mills Continuous casting plants Cooling beds Cropping shears Cross transfers Descaling machines Heavy and medium duty mills Ingot and blooming mills Ingot handling machinery Ingot pushers Manipulators Plate shears Roller adjustment drives Roller straighteners Roller tables (heavy) Roller tables (light) Sheet mills Trimming shears

Variable speed motors Electric motors1 and turbines

1

GENERATORS

Even load Frequency converters Welding generators

Except variable speed motors

MACHINE TOOLS

Main Drives Auxiliary and transverse drives

Please consult our Application Engineering Department if axial excitations are foreseeable either on the driving or driven side.

METAL WORKING

Presses / Hammers. Straighteners. Bending machines / Shears. Punching machines

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Disc Couplings

4. Calculate the minimum torque rating as per, Torque (in-lbs.) = HP x 63025 x SF n (rpm)

Selection Data

5. The coupling to be selected must have an equal or greater rated torque capacity than the torque calculated in step 4. Check the peak or starting torque capacity of the selected coupling. For systems which frequently utilize the peak torque capability of the power source, verify that the magnitude of the peak torque does not exceed twice the rated nominal torque of the coupling selected. 6 Check if existing or predicted axial, angular and offset misalignments are within permissible values as shown in the catalog. The permissible axial misalignment and torque depend on the angular misalignment as per shown below. (Angular misalignment is given for a disc pack. Axial misalignment is measured for a complete coupling with two disc packs.)

1.5°

6 Bolts (under 202) ( )

6 Bolts (above 202) ( )

Angular misalignment

1.5°

6 Bolts (under 202) ( )

6 Bolts (above 202) ( )

0.5° ° 0.4°

8 Bolts 10 Bolts

0.6° 0.3°

0.5° ° 0.4°

8 Bolts 10 Bolts

0.6° 0.3°

°

°

50% of max.

Max.

50%

Max.

Rated Torque T

Axial Displacement

The listed values represent the total permissible misalignment which may occur during operation. Consult the appropriate operating instructions for allowable shaft misalignments when installing the coupling.

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Kr

S- Ka

Kw

S+ Ka L

Angular and Radial Misalignment

Axial Misalignment

The permissible offset or radial misalignment is given by: KR = tan KW x L, where L is the distance between the discs. 7. Check the maximum hub bores, speed and if the shaft to hub assembly will transmit the torque. If the speed exceeds 3000 r.p.m., consult our Application Engineering Department. 8. Check if balancing is needed.

D-5

Disc Couplings

Example of selection

Selection Data

Select a spacer coupling to connect a standard electric motor rated at 350 HP running at 1150 r.p.m. to a centrifugal pump rated at 308 HP. The shafts are 3" and 2-3/4" respectively. 1. Coupling type SX 2. Service factor a) Centrifugal pump b) Electricmotor TOTAL 1.0 0.0 1.0

Torque = 308 x 63025 x 1.0 = 16,880 in.-lbs. 1150

3. Required minimum torque rating The coupling selected is SX size 185-6 with a nominal torque of 29,205 in.-lbs., peak torque of 58,410, Ka = ± 0.145 in. and Kw = 1.5 º. 4. Check peak torque (Coupling peak torque is 29,205 in. lbs. x 2 =58,410 in. lbs.) 5. Check expected misalignment . 6. Check maximum bores: SX 185-6 has a maximum bore of 3.13 inches, therefore this dimension is larger than the existing bores. The speed check shows it to be less than allowable speed (1150 .rp.m < 6850 r.p.m).

How to specify a Lovejoy/Jaure coupling

The following data has to be given Lovejoy/Jaure in order to verify that a proper selection has been made. Application and type of duty. Type of prime mover, power and speed. Shaft types and sizes, keyway dimensions, hub length. Expected misalignments. Type of driven equipment. Coupling type, size and distance between shaft ends (DBSE). Space limitations. Special requirements (vertical mounting, spark free, API 610 or 671, etc).

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D-6

Disc Couplings

Performance Data by Coupling Size1

Cplg. Size 90-6 110-6 132-6 158-6 185-6 202-6 228-6 255-6 278-6 302-6 325-6 345-6 380-6 410-6 440-6 475-6 505-6 278-8 302-8 325-8 345-8 380-8 410-8 440-8 475-8 505-8 540-8 570-8 605-8 635-8 675-8 700-8 730-8 760-8 505-10 540-10 570-10 605-10 635-10 675-10 700-10 730-10 760-10 NOM. TORQ. in-lbs x 103 2.1 5.1 9.7 17.7 29.2 40.7 62.0 90.3 125.7 177.0 221.3 274.4 374.4 505 651 814 1,036 177.0 265.5 327.5 407.1 558 761 974 1,221 1,549 1,947 2,292 2,788 3,390 4,018 4,673 5,381 6,196 1,938 2,425 2,859 3,487 4,248 5,045 5,842 6,727 7,700 NOM. TORQ. Nm x 103 0.2 0.6 1.1 2.0 3.3 4.6 7.0 10.2 14.2 20.0 25.0 31.0 42.3 57.1 73.5 92.0 117.0 20.0 30.0 37.0 46.0 63.0 86.0 110.0 138.0 175.0 220.0 259.0 315.0 383.0 454.0 528 608 700 219.0 274.0 323.0 394.0 480.0 570 660 760 870 PEAK TORQ. in-lbs x 103 4.2 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 442.6 549 749 1,011 1,301 1,629 2,071 354.0 531 655 814 1,115 1,522 1,947 2,443 3,098 3,894 4,585 5,576 6,780 8,037 9,347 10,763 12,391 3,877 4,850 5,718 6,975 8,497 10,090 11,683 13,454 15,401 PEAK TORQ. Nm x 103 0.5 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0 50.0 62.0 84.6 114.2 147.0 184.0 234.0 40.0 60.0 74.0 92.0 126.0 172.0 220.0 276.0 350.0 440.0 518 630 766 908 1056 1216 1400 438.0 548 646 788 960 1140 1320 1520 1740 AXIAL2 Misalig. ±Ka inch 0.059 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224 0.256 0.272 0.299 0.323 0.346 0.374 0.398 0.146 0.157 0.169 0.181 0.197 0.213 0.228 0.248 0.264 0.283 0.299 0.307 0.323 0.331 0.350 0.362 0.378 0.197 0.213 0.224 0.228 0.244 0.252 0.264 0.276 0.295 AXIAL2 Misalig. ±Ka mm 1.5 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7 6.5 6.9 7.6 8.2 8.8 9.5 10.1 3.70 4.00 4.30 4.60 5.00 5.40 5.80 6.30 6.70 7.20 7.60 7.80 8.20 8.40 8.90 9.20 9.60 5.0 5.4 5.7 5.8 6.2 6.4 6.7 7.0 7.5

Selection Data

HP/100 RPM 3.4 8.1 15.4 28.1 46.3 64.6 98.3 143.2 199.4 280.9 351.1 435.4 594 802 1,032 1,292 1,643 280.9 421.3 520 646 885 1,208 1,545 1,938 2,458 3,090 3,637 4,424 5,379 6,376 7,415 8,539 9,831 3,076 3,848 4,536 5,533 6,741 8,005 9,269 10,673 12,218

kW/100 RPM 2.6 6.0 11.5 21.0 34.5 48.2 73.3 106.8 148.8 209.6 261.9 324.8 443.1 598 770 964 1,226 209.6 314.3 387.6 481.9 660 901 1,152 1,446 1,833 2,305 2,713 3,300 4,013 4,756 5,532 6,370 7,334 2,294 2,871 3,384 4,128 5,029 5,972 6,915 7,962 9,115

Torsional3 Stiffness x 106 in.-lbs./rad 2.4 3.4 4.4 5.8 11.5 13.3 23 41 63 84 115 150 195 248 310 372 443 84 132 181 221 301 354 434 531 646 788 912 1089 1248 1496 1637 1859 2053

Torsional3 Stiffness x 106 Nm./rad .3 0.4 0.5 0.7 1.3 1.5 2.6 4.7 7.1 9.5 13 17 22 28 35 42 50 9.5 14.9 20.4 25 34 40 49 60 73 89 103 123 141 169 185 210 232

Angular Misalign. Max deg.

1.5°

.5°

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Refer Factory

Refer Factory

.4°

1) For the availability of a size within a coupling type refer to the specific type on the following pages. 2) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment. 3) Torsional stiffness is given for one disc pack. This should be combined with hubs spacers, etc. as calculated from AGMA 9004-A99.

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Disc Couplings

Lovejoy/Jaure Disc Coupling Overview

Industrial Coupling Type SX

This is the standard coupling that includes two rigid hubs, a minimum length spacer and two disc packs. The disc packs are bolted to the hubs and spacers at the time of coupling installation. The disc packs are unitized. Variations in the spacer length are available. Stock spacers meet industry standard lengths for various equipment. The coupling has two flex planes (one at each disc pack) so it can accommodate parallel misalignment by the angular misalignment in each disc pack. It is suitable for axial displacement within specified limits. The SX coupling is available with 6, 8, & 10 bolt configuration. Bores up to 13 inches (330 mm) can be supplied on the largest sizes. The SX coupling can be fitted with overload bushings, which protect the disc pack in case of a torque overload. They also serve as an anti-flail device.

Overview

Industrial Coupling Type SU

This variation is the single flex unit with two hubs and one disc pack. It is suitable for angular misalignment only. It is often combined with hollow shafts to make a long light weight floating shaft coupling.

Industrial Coupling Type SXC, SXCS

This is the close coupled variation of the coupling. It is similar to the SX in that the disc pack is attached when the coupling is installed. In the close coupled unit the hubs are inside the spacer, which also makes it a reduced moment coupling. The coupling can be assembled with one or both hubs inserted into the spacer. Note: putting the hub inside the spacer requires a reduced hub diameter which reduces max. bore capability. This type of Lovejoy/Jaure disc coupling with a horizontally split spacer is designated as the SXCS.

Drop Out Coupling Type DI, DILR

The drop out coupling has a factory assembled center section that includes the spacer, two disc packs and two guard rings. The disc packs are bolted to the spacer and guard ring at the factory and tightened to the proper torque. The entire package is mounted between the shaft hubs at the installation. Unlike the type SX the disc packs do not have to be attached when the coupling is installed. Disc packs are unitized. The coupling has two flex planes (one at each disc pack) so it can accommodate parallel misalignment by the angular misalignment in each disc pack. It is suitable for axial displacement within specified limits. The DI coupling is available with 6 & 8 bolt configuration. Standard hubs and jumbo hubs are available, allowing up to 15.94 inches (400 mm) max. bore on the largest hub.

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Coupling Type SXGS and DIR

These two coupling types are floating shaft couplings that fit in the place of the gear type floating shaft units. The couplings are designed to match up with the installed rigid gear coupling hubs that are mounted on the equipment shafts. Although matched by AGMA gear coupling size, the torque, speed and overall diameter should be checked when applying these replacement couplings. The SXGS is a reduced moment configuration and the DIR is a drop out configuration. Other types of Lovejoy/Jaure disc couplings are shown on pages 18 and 19 of this catalog. Refer to the Lovejoy/Jaure applications department for special requirements that are not shown in this catalog.

D-8

Disc Couplings

SU-6, SUO-6 Industrial Single Unit Disc Coupling, 6-bolt

Dimensional Data

Cplg. Type SU Size SU 90-6 SU 110-6 SU 132-6 SU 158-6 SU 185-6 SU 202-6 SU 228-6 SU 255-6 SU 278-6 SU 302-6 SU 325-6 SU 345-6 SU 380-6 SU 410-6 SU 440-6 SU 475-6 SU 505-6

NOM. TORQ. Nm x103 0.2 0.6 1.1 2.0 3.3 4.6 7.0 10.2 14.2 20.0 25.0 31.0 42.3 57.1 73.5 92.0 117.0

PEAK TORQ. Nm x103 0.5 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0 50.0 62.0 84.6 114.2 147.0 184.0 234.0

MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520

MAX2 SPEED BAL. r.p.m. 22,700 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800

DIMENSIONS (mm) MAX BORE 41 46 60 70 80 90 100 110 124 135 145 155 170 180 195 210 220 BSE Standard 7.5 8.4 8.4 11.2 14 15.5 17.5 20.5 21.2 24.4 26 28.2 32 33.2 36.4 38.2 42

FD 90 110 132 158 185 202 228 255 278 302 325 345 380 410 440 475 505

D 58 65 84 98 112 125 140 155 174 190 206 217 238 255 273 295 310

LS 40 50 60 70 80 90 100 115 125 135 145 155 170 185 195 210 230

PW 7.5 8 8 11 14 16 18 21 21 24 26 28 32 33 36 38 42

OAL 88 108 128 151 174 195 218 251 271 295 316 338 372 403 427 458 502

AXIAL6 Misalig. ±Ka mm 1.5 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7 6.5 6.9 7.6 8.2 8.8 9.5 10.1

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Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SU Size SU 90-6 SU 110-6 SU 132-6 SU 158-6 SU 185-6 SU 202-6 SU 228-6 SU 255-6 SU 278-6 SU 302-6 SU 325-6 SU 345-6 SU 380-6 SU 410-6 SU 440-6 SU 475-6 SU 505-6 NOM. TORQ. in-lbs x103 2.1 5.1 9.7 17.7 29.2 40.7 62.0 90.3 125.7 177.0 221.3 274.4 374.4 505 651 814 1,036 PEAK TORQ. in-lbs x103 4.2 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 442.6 549 749 1,011 1,301 1,629 2,071 MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 MAX2 SPEED BAL. r.p.m. 22,700 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 DIMENSIONS (in) MAX BORE 1.50 1.81 2.38 2.75 3.13 3.50 3.94 4.31 4.88 5.31 5.75 6.06 6.69 7.13 7.69 8.25 8.75 BSE Standard 0.295 0.331 0.331 0.441 0.551 0.610 0.689 0.807 0.835 0.961 1.024 1.110 1.260 1.307 1.433 1.504 1.654 AXIAL6 Misalig. ±Ka inch 0.059 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224 0.256 0.272 0.299 0.323 0.346 0.374 0.398

FD 3.54 4.33 5.20 6.22 7.28 7.95 8.98 10.04 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88

D 2.28 2.56 3.31 3.86 4.41 4.92 5.51 6.10 6.85 7.48 8.07 8.55 9.37 10.04 10.75 11.62 12.20

LS 1.57 1.97 2.36 2.76 3.15 3.54 3.94 4.53 4.92 5.32 5.71 6.10 6.70 7.28 7.68 8.27 9.06

PW 0.295 0.331 0.331 0.441 0.551 0.610 0.689 0.807 0.835 0.961 1.024 1.110 1.260 1.307 1.433 1.504 1.654

OAL 3.44 4.27 5.05 5.96 6.85 7.69 8.57 9.87 10.67 11.60 12.44 13.31 14.66 15.87 16.79 18.04 19.77

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment. D-9

Disc Couplings

SX-6, SXO-6 Industrial 3-piece Disc Coupling, 6-bolt

Dimensional Data

Cplg. Type SX Size SX 90-6 SX 110-6 SX 132-6 SX 158-6 SX 185-6 SX 202-6 SX 228-6 SX 255-6 SX 278-6 SX 302-6 SX 325-6 SX 345-6 SX 380-6 SX 410-6 SX 440-6 SX 475-6 SX 505-6

NOM. TORQ. Nm x103 0.2 0.6 1.1 2.0 3.3 4.6 7.0 10.2 14.2 20.0 25.0 31.0 42.3 57.1 73.5 92.0 117.0

PEAK TORQ. Nm x103 0.5 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0 50.0 62.0 84.6 114.2 147.0 184.0 234.0

MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520

MAX2 SPEED BAL. r.p.m. 22,700 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800

DIMENSIONS (mm) MAX BORE 41 46 60 70 80 90 100 110 124 135 145 155 170 180 195 210 220 BSE Standard 54 89 108 124 140 159 175 197 219 235 254 270 297 321 335 359 394 Weight 5 kg 2.1 2.9 5.5 8.6 15 21 30 40 57 74 89 109 146 190 224 228 366

FD 90 110 132 158 185 202 228 255 278 302 325 345 380 410 440 475 505

D 58 65 84 98 112 125 140 155 174 190 206 217 238 255 273 295 310

LS 40 50 60 70 80 90 100 115 125 135 145 155 170 185 195 210 230

PW 4 8 8 11 14 16 18 21 21 24 26 28 32 33 36 38 42

S 46 72 91 102 112 128 140 156 177 186 202 214 233 254 262 283 310

OAL 134 189 228 264 300 339 375 427 469 505 544 580 637 690 725 779 854

AXIAL6 Misalig. ±Ka mm 1.5 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7 6.5 6.9 7.6 8.2 8.8 9.5 10.1

D

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SX Size SX 90-6 SX 110-6 SX 132-6 SX 158-6 SX 185-6 SX 202-6 SX 228-6 SX 255-6 SX 278-6 SX 302-6 SX 325-6 SX 345-6 SX 380-6 SX 410-6 SX 440-6 SX 475-6 SX 505-6 NOM. TORQ. in-lbs x103 2.1 5.1 9.7 17.7 29.2 40.7 62.0 90.3 125.7 177.0 221.3 274.4 374.4 505 651 814 1,036 PEAK TORQ. in-lbs x103 4.2 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 442.6 549 749 1,011 1,301 1,629 2,071 MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 MAX2 SPEED BAL. r.p.m. 22,700 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 DIMENSIONS (in) MAX BORE 1.50 1.81 2.38 2.75 3.13 3.50 3.94 4.31 4.88 5.31 5.75 6.06 6.69 7.13 7.69 8.25 8.75 BSE Standard 2.13 3.50 4.25 4.88 5.50 6.25 6.88 7.75 8.63 9.25 10.00 10.63 11.68 12.62 13.19 14.13 15.50 Weight 5 lbs 5 6 12 19 33 46 66 88 125 163 196 240 321 418 493 634 805 AXIAL6 Misalig. ±Ka inch 0.059 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224 0.256 0.272 0.299 0.323 0.346 0.374 0.398

FD 3.54 4.33 5.20 6.22 7.28 7.95 8.98 10.04 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88

D 2.28 2.56 3.31 3.86 4.41 4.92 5.51 6.10 6.85 7.48 8.07 8.55 9.37 10.04 10.75 11.62 12.20

LS 1.57 1.97 2.36 2.76 3.15 3.54 3.94 4.53 4.92 5.32 5.71 6.10 6.70 7.28 7.68 8.27 9.06

PW 0.165 0.331 0.331 0.441 0.551 0.610 0.689 0.807 0.835 0.961 1.024 1.110 1.260 1.307 1.433 1.504 1.654

S 1.80 2.84 3.59 4.00 4.40 5.03 5.50 6.14 6.96 7.33 7.95 8.41 9.16 10.01 10.32 11.12 12.19

OAL 5.27 7.44 8.97 10.40 11.80 13.33 14.76 16.81 18.47 19.89 21.42 22.83 25.08 27.18 28.55 30.67 33.62

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-10

Disc Couplings

SX-8, SXO-8 Industrial 3-piece Disc Coupling, 8-bolt

General Overview

Cplg. Type SX Size SX 278-8 SX 302-8 SX 325-8 SX 345-8 SX 380-8 SX 410-8 SX 440-8 SX 475-8 SX 505-8 SX 540-8 SX 570-8 SX 605-8 SX 635-8 SX 675-8 SX 700-8 SX 730-8 SX 760-8

NOM. TORQ. Nm x103 20 30 37 46 63 86 110 138 175 220 259 315 383 454 528 608 700

PEAK TORQ. Nm x103 40 60 74 92 126 172 220 276 350 440 518 630 766 908 1,056 1,216 1,400

MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040

MAX2 SPEED BAL. r.p.m. 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600

DIMENSIONS (mm) MAX BORE 124 135 145 155 170 180 195 210 220 235 250 265 275 290 300 315 330 BSE Standard 219 235 254 270 297 321 335 359 394 416 451 475 521 559 595 613 643 Weight 5 kg 59 77 92 112 150 195 230 295 374 454 535 617 728 875 1,021 1,130 1,310

FD 278 302 325 345 380 410 440 475 505 540 570 605 635 675 700 730 760

D 174 190 205 217 238 255 273 295 310 330 350 370 385 410 420 440 460

LS 125 135 145 155 170 185 195 210 230 240 250 265 280 300 315 330 350

PW 21 24 26 28 32 33 36 38 42 46 52 53 61 65 69 71 73

S 177 186 202 214 233 254 262 283 310 324 348 368 399 428 458 471 497

OAL 469 505 544 580 637 690 725 779 854 896 951 1,005 1,081 1,159 1,225 1,273 1,343

AXIAL6 Misalig. ±Ka mm 3.70 4.00 4.30 4.60 5.00 5.40 5.80 6.30 6.70 7.20 7.60 7.80 8.20 8.40 8.90 9.20 9.60

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

D

Cplg. Type SX Size SX 278-8 SX 302-8 SX 325-8 SX 345-8 SX 380-8 SX 410-8 SX 440-8 SX 475-8 SX 505-8 SX 540-8 SX 570-8 SX 605-8 SX 635-8 SX 675-8 SX 700-8 SX 730-8 SX 760-8

NOM. TORQ. in-lbs x103 117.0 265.5 327.5 407.1 558 761 974 1,221 1,549 1,947 2,292 2,788 3,390 4,018 4,673 5,381 6,196

PEAK TORQ. in-lbs x103 354 531 655 814 1,115 1,522 1,947 2,443 3,098 3,894 4,585 5,576 6,780 8,037 9,347 10,763 12,391

MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040

MAX2 SPEED BAL. r.p.m. 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600

DIMENSIONS (in) MAX BORE 4.88 5.38 5.75 6.13 6.63 7.13 7.69 8.25 8.88 9.25 9.88 10.44 10.88 11.50 11.81 12.44 13.00 BSE Standard 8.63 9.25 10.00 10.63 11.68 12.62 13.19 14.13 15.50 16.38 17.75 18.69 20.50 22.00 23.44 24.13 25.31 Weight 5 lbs 130 169 202 246 330 429 506 649 823 999 1,177 1,357 1,602 1,925 2,246 2,486 2,882

FD 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88 21.26 22.44 23.82 25.00 26.58 27.56 28.74 29.92

D 6.85 7.48 8.07 8.55 9.37 10.04 10.75 11.62 12.20 12.99 13.78 14.57 15.16 16.14 16.54 17.32 18.11

LS 4.92 5.32 5.71 6.10 6.70 7.28 7.68 8.27 9.06 9.45 9.84 10.43 11.03 11.81 12.40 12.99 13.78

PW 0.835 0.961 1.024 1.110 1.260 1.307 1.433 1.504 1.654 1.811 2.031 2.094 2.394 2.567 2.709 2.803 2.866

S 6.96 7.33 7.95 8.41 9.16 10.01 10.32 11.12 12.19 12.76 13.69 14.50 15.71 16.87 18.02 18.52 19.58

OAL 18.47 19.89 21.42 22.83 25.08 27.18 28.55 30.67 33.62 35.28 37.43 39.55 42.56 45.62 48.24 50.11 52.87

AXIAL6 Misalig. ±Ka inch 0.146 0.157 0.169 0.181 0.197 0.213 0.228 0.248 0.264 0.283 0.299 0.307 0.323 0.331 0.350 0.362 0.378

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-11

Disc Couplings

SX-10, SXO-10 Industrial 3-piece Disc Coupling, 10-bolt

Dimensional Data

Cplg. NOM. Type TORQ. SX Nm Size x103 SX 505-10 219 SX 540-10 274 SX 570-10 323 SX 605-10 394 SX 635-10 480 SX 675-10 570 SX 700-10 660 SX 730-10 760 SX 760-10 870

PEAK TORQ. Nm x103 438 548 646 788 960 1,140 1,320 1,520 1,740

MAX1 SPEED UNBAL. r.p.m. 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040

MAX2 SPEED BAL. r.p.m. 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600

DIMENSIONS (mm) MAX BORE 220 235 250 265 275 290 300 315 330 BSE Standard 394 416 451 475 521 559 595 610 643 Weight 5 kg 378 459 540 622 734 882 1,029 1,139 1,320

FD 505 540 570 605 635 675 700 730 760

D 310 330 350 370 385 410 420 440 460

LS 230 240 250 265 280 300 315 330 350

PW 42 46 52 53 61 65 69 71 73

S 310 324 348 368 399 428 458 467 497

OAL 854 896 951 1,005 1,081 1,159 1,225 1,269 1,343

AXIAL6 Misalig. ±Ka mm 5.0 5.4 5.7 5.8 6.2 6.4 6.7 7.0 7.5

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. NOM. Type TORQ. SX in-lbs Size x103 SX 505-10 1,938 SX 540-10 2,425 SX 570-10 2,859 SX 605-10 3,487 SX 635-10 4,287 SX 675-10 5,045 SX 700-10 5,842 SX 730-10 6,727 SX 760-10 7,700

PEAK TORQ. in-lbs x103 3,877 4,850 5,718 6,975 8,497 10,090 11,683 13,454 15,401

MAX1 SPEED UNBAL. r.p.m. 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040

MAX2 SPEED BAL. r.p.m. 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600

DIMENSIONS (in) MAX BORE 8.75 9.25 9.88 10.44 10.88 11.50 11.81 12.44 13.00 BSE Standard 15.50 16.38 17.75 18.69 20.50 22.00 23.44 24.00 25.31 Weight 5 lbs 833 1,012 1,190 1,371 1,618 1,944 2,269 2,511 2,910

FD 19.88 21.26 22.44 23.82 25.00 26.58 27.56 28.74 29.92

D 12.20 12.99 13.78 14.57 15.16 16.14 16.54 17.32 18.11

LS 9.06 9.45 9.84 10.43 11.03 11.81 12.40 12.99 13.78

PW 1.654 1.811 2.031 2.094 2.394 2.567 2.709 2.803 2.866

S 12.19 12.76 13.69 14.50 15.71 16.87 18.02 18.39 19.58

OAL 33.62 35.28 37.43 39.55 42.56 45.62 48.24 49.98 52.87

AXIAL6 Misalig. ±Ka inch 0.197 0.213 0.224 0.228 0.244 0.252 0.264 0.276 0.295

D

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-12

Disc Couplings

SXC-6 Close Coupled Industrial Style Disc Coupling, 6-bolt

OAL S FW

Dimensional Data

PW

FC LS BSE1 D FD

HUB

FW SPACER

Cplg. Type SXC Size SXC 110-6 SXC 132-6 SXC 158-6 SXC 185-6 SXC 202-6 SXC 228-6 SXC 255-6 SXC 278-6 SXC 302-6 SXC 325-6 SXC 345-6 SXC 380-6 SXC 410-6 SXC 440-6 SXC 475-6 SXC 505-6

NOM. TORQ. Nm x103 0.6 1.1 2.0 3.3 4.6 7.0 10.2 14.2 20.0 25.0 31.0 42.3 57.1 73.5 92.0 117.0

PEAK TORQ. Nm x103 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0 50.0 62.0 84.6 114.2 147.0 184.0 234.0

MAX1 SPEED UNBAL. r.p.m. 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520

MAX2 SPEED BAL. r.p.m. 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800

MAX BORE mm 29 50 60 68 75 85 95 105 115 125 130 145 160 165 180 195

Weight5 kg 1.8 3.8 5.8 10 15 21 27 36 46 55 70 92 116 136 172 225

AXIAL6 Misalig. ±Ka mm 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7 6.5 6.9 7.6 8.2 8.8 9.5 10.1

Charts are continued on next page.

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SXC Size SXC 110-6 SXC 132-6 SXC 158-6 SXC 185-6 SXC 202-6 SXC 228-6 SXC 255-6 SXC 278-6 SXC 302-6 SXC 325-6 SXC 345-6 SXC 380-6 SXC 410-6 SXC 440-6 SXC 475-6 SXC 505-6 NOM. TORQ. in-lbs x103 5.1 9.7 17.7 29.2 40.7 62.0 90.3 125.7 177.0 221.3 274.4 374.4 505.4 650.5 814.3 1,036 PEAK TORQ. in-lbs x103 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 442.6 548.8 748.8 1,011 1,301 1,629 2,071 MAX1 SPEED UNBAL. r.p.m. 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 MAX2 SPEED BAL. r.p.m. 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 AXIAL6 Misalig. ±Ka inch 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224 0.256 0.272 0.299 0.323 0.346 0.374 0.398

D

MAX BORE inch 1.14 2.06 2.38 2.68 3.06 3.44 3.88 4.25 4.63 4.88 5.25 5.75 6.25 6.50 7.06 7.75

Weight5 lbs 4 8 13 22 33 46 60 79 101 121 154 203 256 300 379 503

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-13

Disc Couplings

SXC-6 Close Coupled Industrial Style Disc Coupling, 6-bolt

OAL S FW

Dimensional Data

PW

FC LS BSE1 D FD

HUB

FW SPACER

Cplg. Type SXC Size SXC 110-6 SXC 132-6 SXC 158-6 SXC 185-6 SXC 202-6 SXC 228-6 SXC 255-6 SXC 278-6 SXC 302-6 SXC 325-6 SXC 345-6 SXC 380-6 SXC 410-6 SXC 440-6 SXC 475-6 SXC 505-6

DIMENSIONS (mm) BSE Standard 4 4 4 4 7 7 7 9 9 8 8 10 11 14 11 11 BSE 1 Rev. Hub 47 56 64 72 83 91 102 114 122 131 139 153 166 176 185 203 OAL1 1 Rev. Hub 152 181 211 240 272 301 345 377 406 435 464 511 554 587 628 688

FD 110 132 158 185 202 228 255 278 302 325 345 380 410 440 475 505

D 54 71 84 95 110 123 138 152 165 174 186 204 223 233 252 276

LS 50 60 70 80 90 100 115 125 135 145 155 170 185 195 210 230

PW 8 8 11 14 16 18 21 21 24 26 28 32 33 36 38 42

HH 6 6 7 8 9 10 13 13 14 14 15 17 19 21 23 25

FW 8 8 10 12 14 16 20 20 22 22 24 27 30 33 36 39

FC 45 45 55 65 75 85 100 105 115 115 125 140 150 165 180 195

S 72 91 102 112 128 140 156 177 186 202 214 233 254 262 283 310

OAL 116 135 158 180 205 227 263 285 307 326 348 385 419 446 477 522

D

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SXC Size SXC 110-6 SXC 132-6 SXC 158-6 SXC 185-6 SXC 202-6 SXC 228-6 SXC 255-6 SXC 278-6 SXC 302-6 SXC 325-6 SXC 345-6 SXC 380-6 SXC 410-6 SXC 440-6 SXC 475-6 SXC 505-6 DIMENSIONS (in) BSE Standard 0.16 0.16 0.16 0.16 0.27 0.26 0.26 0.36 0.34 0.31 0.32 0.41 0.42 0.55 0.42 0.45 BSE 1 Rev. Hub 1.84 2.21 2.52 2.82 3.26 3.57 4.01 4.50 4.80 5.16 5.47 6.04 6.52 6.93 7.28 7.98 OAL1 1 Rev. Hub 6.00 7.14 8.31 9.44 10.70 11.84 13.58 14.85 15.99 17.13 18.27 20.11 21.83 23.12 24.72 27.08

D

FD 4.33 5.20 6.22 7.28 7.95 8.98 10.04 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88

D 2.13 2.79 3.31 3.74 4.33 4.84 5.43 5.99 6.50 6.85 7.32 8.03 8.78 9.17 9.92 10.87

LS 1.97 2.36 2.76 3.15 3.54 3.94 4.53 4.92 5.32 5.71 6.10 6.70 7.28 7.68 8.27 9.06

PW 0.33 0.33 0.44 0.55 0.61 0.69 0.81 0.84 0.96 1.02 1.11 1.26 1.31 1.43 1.50 1.65

HH 0.22 0.22 0.28 0.31 0.35 0.39 0.51 0.51 0.55 0.55 0.59 0.67 0.75 0.83 0.91 0.98

FW 0.31 0.31 0.39 0.47 0.55 0.63 0.79 0.79 0.87 0.87 0.94 1.06 1.18 1.30 1.42 1.54

FC 1.77 1.77 2.17 2.56 2.95 3.35 3.94 4.13 4.53 4.53 4.92 5.51 5.91 6.50 7.09 7.68

S 2.84 3.59 4.00 4.40 5.03 5.50 6.14 6.96 7.33 7.95 8.41 9.16 10.01 10.32 11.12 12.19

OAL 4.56 5.31 6.22 7.07 8.06 8.93 10.35 11.23 12.08 12.83 13.70 15.14 16.48 17.56 18.78 20.54

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-14

Disc Couplings

SXC-8 Close Coupled Industrial Style Disc Coupling, 8-bolt

OAL S FW

Dimensional Data

PW

FC LS BSE1 D FD

HUB

FW SPACER

Cplg. Type SXC Size SXC 278-8 SXC 302-8 SXC 325-8 SXC 345-8 SXC 380-8 SXC 410-8 SXC 440-8 SXC 475-8 SXC 505-8 SXC 540-8 SXC 570-8 SXC 605-8 SXC 635-8 SXC 675-8 SXC 700-8 SXC 730-8 SXC 760-8

NOM. TORQ. kNm x103 20 30 37 46 63 86 110 138 175 220 259 315 383 454 528 608 700

PEAK TORQ. kNm x103 40.0 60.0 74.0 92.0 126.0 172.0 220.0 276.0 350.0 440.0 518.0 630.0 766.0 908.0 1,056 1,216 1,400

MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040

MAX2 SPEED BAL. r.p.m. 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600

MAX BORE mm 100 110 115 125 140 150 160 170 190 195 205 215 230 250 260 265 280

Weight5 kg 36 45 51 64 84 109 130 164 212 265 311 353 406 458 556 613 698

AXIAL6 Misalig. ±Ka mm 3.7 4.0 4.3 4.6 5.0 5.4 5.8 6.3 6.7 7.2 7.6 7.8 8.2 8.4 8.9 9.2 9.6

Charts are continued on next page.

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SXC Size SXC 278-8 SXC 302-8 SXC 325-8 SXC 345-8 SXC 380-8 SXC 410-8 SXC 440-8 SXC 475-8 SXC 505-8 SXC 540-8 SXC 570-8 SXC 605-8 SXC 635-8 SXC 675-8 SXC 700-8 SXC 730-8 SXC 760-8 NOM. TORQ. in-lbs x103 117.0 265.5 327.5 407.1 558 761 974 1,221 1,549 1,947 2,292 2,788 3,390 4,018 4,673 5,381 6,196 PEAK TORQ. in-lbs x103 354 531 655 814 1,115 1,522 1,947 2,443 3,098 3,894 4,585 5,576 6,780 8,037 9,347 10,763 12,391 MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280 1,240 1,160 1,120 1,080 1,040 MAX2 SPEED BAL. r.p.m. 7,000 6,400 6,000 5,500 5,100 4,700 4,350 4,200 3,800 3,600 3,400 3,200 3,100 2,900 2,800 2,700 2,600 MAX BORE inch 4.06 4.44 4.69 5.00 5.50 6.06 6.31 6.88 7.50 7.81 8.06 8.56 9.06 9.88 10.25 10.50 11.13 AXIAL6 Misalig. ±Ka inch 0.146 0.157 0.169 0.181 0.197 0.213 0.228 0.248 0.264 0.283 0.299 0.307 0.323 0.331 0.350 0.362 0.378

D

Weight5 lbs 79 99 112 141 185 240 287 362 467 584 686 778 895 1010 1226 1351 1539

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-15

Disc Couplings

SXC-8 Close Coupled Industrial Style Disc Coupling, 8-bolt

OAL S FW

Dimensional Data

PW

FC LS BSE1 D FD

HUB

FW SPACER

Cplg. Type SXC Size SXC 278-8 SXC 302-8 SXC 325-8 SXC 345-8 SXC 380-8 SXC 410-8 SXC 440-8 SXC 475-8 SXC 505-8 SXC 540-8 SXC 570-8 SXC 605-8 SXC 635-8 SXC 675-8 SXC 700-8 SXC 730-8 SXC 760-8

DIMENSIONS (mm) BSE Standard 9 9 8 8 10 11 11 11 11 20 41 41 64 71 85 73 71 BSE 1 Rev. Hub 114 122 131 139 153 166 173 185 203 218 246 258 293 315 340 343 357 OAL1 1 Rev. Hub 377 406 435 464 511 554 584 628 688 724 774 818 886 950 1,008 1,041 1,097

FD 278 302 325 345 380 410 440 475 505 540 570 605 635 675 700 730 760

D 142 153 166 178 196 215 225 244 254 278 288 306 322 350 365 375 395

LS 125 135 145 155 170 185 195 210 230 240 250 265 280 300 315 330 350

PW 21 24 26 28 32 33 36 38 42 46 52 53 61 65 69 71 73

HH 13 14 14 15 17 19 21 23 25 26 28 30 33 35 38 38 40

FW 20 22 22 24 27 30 33 36 39 42 45 48 52 56 60 60 64

FC 105 115 115 125 140 150 165 180 195 210 230 240 265 280 300 305 320

S 177 186 202 214 233 254 262 283 310 324 348 368 399 428 458 471 851

OAL 285 307 326 348 385 419 443 477 522 552 597 631 691 741 791 809 851

D

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SXC Size SXC 278-8 SXC 302-8 SXC 325-8 SXC 345-8 SXC 380-8 SXC 410-8 SXC 440-8 SXC 475-8 SXC 505-8 SXC 540-8 SXC 570-8 SXC 605-8 SXC 635-8 SXC 675-8 SXC 700-8 SXC 730-8 SXC 760-8 DIMENSIONS (in) BSE Standard 0.36 0.34 0.31 0.32 0.41 0.42 0.43 0.42 0.45 0.79 1.61 1.61 2.53 2.79 3.36 2.87 2.79 BSE 1 Rev. Hub 4.50 4.80 5.16 5.47 6.04 6.52 6.81 7.28 7.98 8.58 9.68 10.15 11.52 12.39 13.40 13.50 14.05 OAL1 1 Rev. Hub 14.85 15.99 17.13 18.27 20.11 21.83 23.00 24.72 27.08 28.51 30.46 32.19 34.88 37.39 39.70 40.98 43.18

FD 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88 21.26 22.44 23.82 25.00 26.58 27.56 28.74 29.92

D 5.59 6.02 6.53 7.00 7.71 8.46 8.86 9.61 10.00 10.94 11.34 12.05 12.68 13.78 14.37 14.76 15.55

LS 4.92 5.32 5.71 6.10 6.70 7.28 7.68 8.27 9.06 9.45 9.84 10.43 11.03 11.81 12.40 12.99 13.78

PW 0.83 0.96 1.02 1.11 1.26 1.31 1.43 1.50 1.65 1.81 2.03 2.09 2.39 2.57 2.71 2.80 2.87

HH 0.51 0.55 0.55 0.59 0.67 0.75 0.83 0.91 0.98 1.02 1.10 1.18 1.30 1.38 1.50 1.50 1.57

FW 0.79 0.87 0.87 0.94 1.06 1.18 1.30 1.42 1.54 1.65 1.77 1.89 2.05 2.20 2.36 2.36 2.52

FC 4.13 4.53 4.53 4.92 5.51 5.91 6.50 7.09 7.68 8.27 9.06 9.45 10.43 11.02 11.81 12.01 12.60

S 6.96 7.33 7.95 8.41 9.16 10.01 10.32 11.12 12.19 12.76 13.69 14.50 15.71 16.87 18.02 18.52 19.58

OAL 11.23 12.08 12.83 13.70 15.14 16.48 17.44 18.78 20.54 21.73 23.50 24.83 27.19 29.17 31.16 31.85 33.50

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-16

Disc Couplings

AXIAL SPLIT PW OAL BSE

Dimensional Data

SXCS-6 Close Coupled Industrial Style Disc Coupling Split Spacer, 6-bolt

FD

D

OD

HUB DISC PACK KIT SPLIT SPACER MOUNT BOLTS MOUNT RING

Cplg. NOM. Type TORQ. SXCS kNm Size x103 SXCS 110-6 0.6 SXCS 132-6 1.1 SXCS 158-6 2.0 SXCS 185-6 3.3 SXCS 202-6 4.6 SXCS 228-6 7.0 SXCS 255-6 10.2 SXCS 278-6 14.2 SXCS 302-6 20.0

PEAK TORQ. kNm x103 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0

MAX1 SPEED UNBAL. r.p.m. 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560

MAX2 SPEED BAL. r.p.m. 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400

MAX BORE mm 29 50 60 68 75 85 95 105 115

Weight5 kg 1.8 3.8 5.8 10 15 21 27 36 46

AXIAL6 Misalig. ±Ka mm 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7

Charts are continued on next page.

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. NOM. Type TORQ. SXCS in-lbs Size x103 SXCS 110-6 5.1 SXCS 132-6 9.7 SXCS 158-6 17.7 SXCS 185-6 29.2 SXCS 202-6 40.7 SXCS 228-6 62.0 SXCS 255-6 90.3 SXCS 278-6 125.7 SXCS 302-6 177.0 PEAK TORQ. in-lbs x103 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 MAX1 SPEED UNBAL. r.p.m. 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 MAX2 SPEED BAL. r.p.m. 18,000 14,600 12,300 10,500 9,600 8,500 7,700 7,000 6,400 AXIAL6 Misalig. ±Ka inch 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224

D

MAX BORE inch 1.14 2.06 2.38 2.68 3.06 3.44 3.88 4.25 4.63

Weight5 lbs 4 8 13 22 33 46 60 79 101

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-17

Disc Couplings

AXIAL SPLIT PW OAL BSE

Dimensional Data

SXCS-6 Close Coupled Industrial Style Disc Coupling Split Spacer, 6-bolt

FD

D

OD

HUB DISC PACK KIT SPLIT SPACER MOUNT BOLTS MOUNT RING

Cplg. Type SXCS Size SXCS 110-6 SXCS 132-6 SXCS 158-6 SXCS 185-6 SXCS 202-6 SXCS 228-6 SXCS 255-6 SXCS 278-6 SXCS 302-6

Dimensions (mm)

FD 124.0 145.0 170.9 195.1 214.1 243.1 274.1 294.1 327.2

D 53.8 70.9 83.8 95.0 108.0 122.9 134.9 151.9 164.8

BSE 11.2 9.1 11.9 14.7 16.3 18.3 30.7 22.1 27.4

PW 8.4 8.4 11.2 14.0 15.5 17.5 20.5 21.2 24.4

OD 128.0 149.1 175.0 198.9 217.9 246.9 277.9 297.9 331.0

OAL 111.3 129.0 152.1 174.8 196.1 218.4 260.9 272.0 297.7

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

Cplg. Type SXCS Size SXCS 110-6 SXCS 132-6 SXCS 158-6 SXCS 185-6 SXCS 202-6 SXCS 228-6 SXCS 255-6 SXCS 278-6 SXCS 302-6

D

Dimensions (in)

FD 4.88 5.71 6.73 7.68 8.43 9.57 10.79 11.58 12.88

D 2.12 2.79 3.30 3.74 4.25 4.84 5.31 5.98 6.49

BSE 0.44 0.36 0.47 0.58 0.64 0.72 1.21 0.87 1.08

PW 0.331 0.331 0.442 0.551 0.610 0.689 0.806 0.834 0.961

OD 5.04 5.87 6.89 7.83 8.58 9.72 10.94 11.73 13.03

OAL 4.38 5.08 5.99 6.88 7.72 8.60 10.27 10.71 11.72

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-18

Disc Couplings

Drop in (API) Style 5-piece Disc Coupling, 6-bolt

Dimensional Data

Cplg. Type DI Size DI 090-6 DI 110-6 DI 132-6 DI 158-6 DI 185-6 DI 202-6 DI 228-6 DI 255-6 DI 278-6 DI 302-6 DI 325-6 DI 345-6 DI 380-6 DI 410-6 DI 440-6 DI 475-6 DI 505-6

NOM. TORQ. Nm x103 0.2 0.6 1.1 2.0 3.3 4.6 7.0 10.2 14.2 20.0 25.0 31.0 42.3 57.1 73.5 92.0 117.0

PEAK TORQ. Nm x103 0.5 1.2 2.2 4.0 6.6 9.2 14.0 20.4 28.4 40.0 50.0 62.0 84.6 114.2 147.0 184.0 234.0

MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520

MAX2 SPEED BAL. MAX BORE MAX BORE r.p.m. Standard Jumbo 22,700 43 59 18,000 52 75 14,600 67 90 12,300 80 105 10,500 95 125 9,600 102 135 8,500 115 150 7,700 125 170 7,000 140 185 6,400 155 200 6,000 170 215 5,500 180 230 5,100 210 250 4,700 225 270 4,350 235 290 4,200 250 312 3,800 275 332

DIMENSIONS (mm) SD 90 110 132 158 185 202 228 255 278 302 325 345 380 410 440 475 505 FD 94 115 139 165 193 210 236 263 286 310 333 355 390 420 450 485 515 D 60 73 95 112 134 144 160 175 195 217 240 255 295 315 330 355 385 LP 33 50 60 70 80 90 100 115 125 135 145 155 170 185 195 210 230 S 43 61 64 79 88 105 114 140 143 156 158 182 190 206 231 252 275 HH 13 13 13 17 19 22 24 27 30 32 32 30 32 36 41 46 46 BSE 79 108 111 140 160 186 205 251 256 281 286 321 346 375 416 451 490 OAL 155 208 231 280 320 366 405 481 505 551 576 631 686 744 806 871 951 Weight5 kg 4 5.4 10 18 28 38 55 72 101 133 160 193 262 335 397 505 631

AXIAL6 Misalig. ±Ka mm 1.5 2.1 2.6 3.1 3.7 3.8 4.2 4.7 5.2 5.7 6.5 6.9 7.6 8.2 8.8 9.5 10.1

Metric dimensions are rounded to the nearest "mm" except where otherwise shown

Cplg. Type DI Size DI 090-6 DI 110-6 DI 132-6 DI 158-6 DI 185-6 DI 202-6 DI 228-6 DI 255-6 DI 278-6 DI 302-6 DI 325-6 DI 345-6 DI 380-6 DI 410-6 DI 440-6 DI 475-6 DI 505-6 NOM. TORQ. in-lbs x103 2.1 5.1 9.7 17.7 29.2 40.7 62.0 90.3 125.7 177.0 221.3 274.4 374.4 505 651 814 1,036 PEAK TORQ. in-lbs x103 4.2 10.2 19.5 35.4 58.4 81.4 123.9 180.6 251.4 354.0 442.6 549 749 1,011 1,301 1,629 2,071 MAX1 SPEED UNBAL. r.p.m. 9,100 7,200 5,840 4,920 4,200 3,840 3,400 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 MAX2 SPEED BAL. MAX BORE MAX BORE r.p.m. Standard Jumbo 22,700 1.68 2.25 18,000 2.06 2.94 14,600 2.69 3.56 12,300 3.13 4.13 10,500 3.75 4.94 9,600 4.06 5.38 8,500 4.50 5.94 7,700 4.94 6.63 7,000 5.50 7.31 6,400 6.13 7.88 6,000 6.75 8.44 5,500 7.13 9.13 5,100 8.31 9.88 4,700 8.88 10.63 4,350 9.25 11.44 4,200 9.94 12.25 3,800 10.88 13.13 DIMENSIONS (in) SD 3.54 4.33 5.20 6.22 7.28 7.95 8.98 10.04 10.94 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88 FD 3.70 4.53 5.47 6.50 7.60 8.27 9.29 10.35 11.26 12.20 13.11 13.98 15.35 16.54 17.72 19.09 20.28 D 2.36 2.87 3.74 4.41 5.28 5.67 6.30 6.89 7.68 8.54 9.45 10.04 11.61 12.40 12.99 13.98 15.16 LP 1.30 1.97 2.36 2.76 3.15 3.54 3.94 4.53 4.92 5.31 5.71 6.10 6.69 7.28 7.68 8.27 9.06 S 1.68 2.41 2.54 3.12 3.48 4.12 4.48 5.51 5.63 6.15 6.21 7.18 7.49 8.12 9.10 9.94 10.81 HH 0.51 0.51 0.51 0.67 0.75 0.87 0.94 1.06 1.18 1.26 1.26 1.18 1.26 1.42 1.61 1.81 1.81 BSE 3.11 4.25 4.38 5.50 6.31 7.31 8.06 9.88 10.06 11.06 11.25 12.63 13.63 14.75 16.38 17.75 19.31 OAL 6.10 8.19 9.10 11.02 12.61 14.39 15.94 18.94 19.90 21.68 22.67 24.83 27.01 29.31 31.74 34.29 37.43 Weight5 lbs 8 12 22 40 62 84 121 159 223 293 353 425 578 739 875 1,113 1,391 AXIAL6 Misalig. ±Ka inch 0.059 0.083 0.102 0.122 0.146 0.150 0.165 0.185 0.205 0.224 0.256 0.272 0.299 0.323 0.346 0.374 0.398

D

D-19

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

Disc Couplings

DI-8 Drop in (API) Style 5-piece Disc Coupling, 8-bolt

OAL LS BSE LS

Dimensional Data

FD SD D JD

STANDARD HUB SPACER GUARD RING JUMBO HUB

Cplg. Type DI Size DI 278-8 DI 302-8 DI 325-8 DI 345-8 DI 380-8 DI 410-8 DI 440-8 DI 475-8 DI 505-8 DI 540-8 DI 570-8 DI 605-8

NOM. TORQ. Nm x103 20.0 30.0 37.0 46.0 63.0 86.0 110.0 138.0 175.0 220.0 259.0 315.0

PEAK TORQ. Nm x103 40.0 60.0 74.0 92.0 126.0 172.0 220.0 276.0 350.0 440.0 518 630

MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280

MAX2 SPEED BAL. MAX BORE MAX BORE r.p.m. Standard Jumbo 7,000 140 185 6,400 155 200 6,000 170 215 5,500 180 230 5,100 210 255 4,700 225 275 4,350 235 300 4,200 250 320 3,800 275 341 3,600 295 360 3,400 320 385 3,200 325 400

DIMENSIONS (mm) SD 278 302 325 345 380 410 440 475 505 540 570 605 FD 332 356 400 417 455 498 528 585 615 670 702 727 D 195 217 240 255 295 315 330 355 385 415 450 460 JD 260 285 305 322 360 390 420 450 480 508 540 565 LS 125 135 145 155 170 185 195 210 230 240 250 265 BSE 256 281 286 321 346 375 416 450 490 560 607 621 OAL 505 551 576 631 686 744 806 870 951 1,040 1,106 1,151 Weight5 kg 130 164 213 250 325 412 480 632 794 840 950 1,120

AXIAL6 Misalig. ±Ka mm 3.7 4.0 4.3 4.6 5.0 5.4 5.8 6.3 6.7 7.2 7.6 7.8

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

D

Cplg. Type DI Size DI 278-8 DI 302-8 DI 325-8 DI 345-8 DI 380-8 DI 410-8 DI 440-8 DI 475-8 DI 505-8 DI 540-8 DI 570-8 DI 605-8

NOM. TORQ. in-lbs x103 177.0 265.5 327.5 407.1 558 761 974 1,221 1,549 1,947 2,292 2,788

PEAK TORQ. in-lbs x103 354.0 531 655 814 1,115 1,522 1,947 2,443 3,098 3,894 4,585 5,576

MAX1 SPEED UNBAL. r.p.m. 2,800 2,560 2,400 2,200 2,040 1,880 1,740 1,680 1,520 1,440 1,360 1,280

MAX2 SPEED BAL. MAX BORE MAX BORE r.p.m. Standard Jumbo 7,000 5.50 7.31 6,400 6.13 7.88 6,000 6.75 8.50 5,500 7.13 9.06 5,100 8.31 10.13 4,700 8.88 10.94 4,350 9.25 11.88 4,200 9.94 12.63 3,800 10.88 13.44 3,600 11.63 14.25 3,400 12.63 15.25 3,200 12.88 15.94

DIMENSIONS (in) SD 10.95 11.89 12.80 13.58 14.96 16.14 17.32 18.70 19.88 21.26 22.44 23.82 FD 13.07 14.02 15.75 16.42 17.91 19.60 20.79 23.03 24.21 26.38 27.64 28.62 D 7.68 8.54 9.45 10.04 11.61 12.40 12.99 13.98 15.16 16.34 17.72 18.11 JD LS 10.24 4.92 11.22 5.32 12.00 5.71 12.68 6.10 14.17 6.69 15.35 7.28 16.54 7.68 17.72 8.27 18.90 9.06 20.00 9.45 21.26 9.84 22.24 10.43 BSE 10.06 11.06 11.25 12.63 13.63 14.75 16.38 17.72 19.31 22.06 23.88 24.44 OAL 19.90 21.70 22.67 24.83 27.01 29.31 31.74 34.26 37.43 40.96 43.56 45.30 Weight5 lbs 287 362 470 551 717 908 1,058 1,393 1,750 1,852 2,094 2,469

AXIAL6 Misalig. ±Ka inch 0.146 0.157 0.169 0.181 0.197 0.213 0.228 0.248 0.264 0.283 0.299 0.307

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-20

Disc Couplings

Dimensional Data

SXGS Replacement for Floating Shaft Gear Coupling Reduced Moment

Cplg. Type SX Size SXGS 132-6 / 1 SXGS 158-6 / 1.5 SXGS 185-6 / 2 SXGS 202-6 / 2.5 SXGS 255-6 / 3 SXGS 287-8 / 3.5 SXGS 302-8 / 4 SXGS 325-8 / 4.5 SXGS 345-8 / 5 SXGS 380-8 / 5.5 SXGS 410-8 / 6 SXGS 540-8 / 7

NOM. TORQ. Nm x103 1.1 2.0 3.3 4.6 10.2 20.0 30.0 37.0 46.0 63.0 86.0 110.0

PEAK TORQ. Nm x103 2.2 4.0 6.6 9.2 20.4 40.0 60.0 74.0 92.0 126.0 172.0 220.0

MAX1 SPEED UNBAL. r.p.m. 5,840 4,920 4,200 3,480 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,440

MAX2 SPEED BAL. r.p.m. 14,600 12,300 10,500 9,600 7,700 7,000 6,400 6,000 5,500 5,100 4,700 3,600

DIMENSIONS (mm) MAX BORE 50 60 70 75 95 100 110 115 125 140 150 195 BSE MIN 97 132 147 175 165 225 225 215 280 280 210 190 S MIN 85 110 115 135 135 175 175 175 220 220 180 180 Weight 5 kg 8 16 24 38 57 91 118 134 196 245 245 508

FD 132 158 185 202 255 278 302 325 345 380 410 540

SD 116 152 178 213 240 279 318 346 389 425 457 527

CH 66 81 96 110 130 150 160 165 185 200 200 235

LS 60 70 80 90 115 125 135 145 155 170 185 240

AXIAL6 Misalig. ±Ka mm 2.6 3.1 3.7 3.8 4.7 3.7 4.0 4.3 4.6 5.0 5.4 7.2

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

D

Cplg. Type SX Size SXGS 132-6 / 1 SXGS 158-6 / 1.5 SXGS 185-6 / 2 SXGS 202-6 / 2.5 SXGS 255-6 / 3 SXGS 287-8 / 3.5 SXGS 302-8 / 4 SXGS 325-8 / 4.5 SXGS 345-8 / 5 SXGS 380-8 / 5.5 SXGS 410-8 / 6 SXGS 540-8 / 7

NOM. TORQ. in-lbs x103 9.7 17.7 29.2 40.7 90.3 177.0 265.5 327.5 407.1 558 761 1,947

PEAK TORQ. in-lbs x103 19.5 35.4 58.4 81.4 180.6 354 531 655 814 1,115 1,522 3,894

MAX1 SPEED UNBAL. r.p.m. 5,840 4,920 4,200 3,840 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,440

MAX2 SPEED BAL. r.p.m. 14,600 12,300 10,500 9,600 7,700 7,000 6,400 6,000 5,500 5,100 4,700 3,600

DIMENSIONS (in) MAX BORE 2.06 2.38 2.75 3.06 3.88 4.06 4.44 4.68 5.00 5.50 6.06 7.75 BSE MIN 3.82 5.20 5.79 6.89 6.50 8.86 8.86 8.46 11.02 11.02 8.27 7.48 S MIN 3.35 4.33 4.53 5.31 5.31 6.89 6.89 6.89 8.66 8.66 7.09 7.09 Weight 5 lbs 17 35 53 84 126 201 260 295 432 540 560 1,120

FD 5.20 6.22 7.28 7.95 10.04 10.95 11.89 12.80 13.58 14.96 16.14 21.26

SD 4.56 6.00 7.00 8.38 9.44 11.00 12.50 13.63 15.31 16.75 18.00 20.75

CH 2.60 3.19 3.78 4.33 5.12 5.90 6.30 6.50 7.28 7.87 7.87 9.25

LS 2.36 2.76 3.15 3.54 4.53 4.92 5.32 5.71 6.10 6.69 7.28 9.45

AXIAL6 Misalig. ±Ka in 0.102 0.122 0.146 0.150 0.185 0.146 0.157 0.169 0.181 0.197 0.213 0.283

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment.

D-21

Disc Couplings

Replacement for Floating Shaft Gear Coupling Drop-In Style

S

Dimensional Data

FD D

RD

FD RD

P

SE

P

DIR DILR

Cplg. Type SX Size DIR 132-6 / 1 DIR 158-6 / 1.5 DIR 185-6 / 2 DIR 202-6 / 2.5 DIR 255-6 / 3 DIR 287-8 / 3.5 DIR 302-8 / 4 DIR 325-8 / 4.5 DIR 345-8 / 5 DIR 380-8 / 5.5 DIR 410-8 / 6 DIR 540-8 / 7 NOM. TORQ. Nm x103 1.1 2.0 3.3 4.6 10.2 20.0 30.0 37.0 46.0 63.0 86.0 110.0 PEAK TORQ. Nm x103 2.2 4.0 6.6 9.2 20.4 40.0 60.0 74.0 92.0 126.0 172.0 220.0 MAX1 SPEED UNBAL. r.p.m. 5,840 4,920 4,200 3,480 3,080 2,800 2,560 2,400 2,200 2,040 1,880 1,440 MAX2 SPEED BAL. r.p.m. 14,600 12,300 10,500 9,600 7,700 7,000 6,400 6,000 5,500 5,100 4,700 3,600 DIMENSIONS (mm) MAX BORE STD. KEY 56 76 95 114 134 150 176 202 231 260 288 318 BSE MIN 170 225 265 300 365 405 440 455 500 545 555 680 Weight 5 kg 5 11 17 24 42 67 86 102 139 179 199 419 AXIAL6 Misalig. ±Ka mm 2.6 3.1 3.7 3.8 4.7 3.7 4.0 4.3 4.6 5.0 5.4 7.2

FD 132 158 185 202 255 278 302 325 345 380 410 540

RD 116 152 178 213 240 279 318 346 389 425 457 527

D 78 101 125 150 176 201 235 264 294 325 356 400

LP 40 47 58 74 86 101 113 128 145 156 188 221

LS 42 48 60 73 84 97 108 122 140 152 170 187

Metric dimensions are rounded to the nearest "mm" except where otherwise shown.

D

Cplg. Type SX Size DIR 132-6 / 1 DIR 158-6 / 1.5 DIR 185-6 / 2 DIR 202-6 / 2.5 DIR 255-6 / 3 DIR 287-8 / 3.5 DIR 302-8 / 4 DIR 325-8 / 4.5 DIR 345-8 / 5 DIR 380-8 / 5.5 DIR 410-8 / 6 DIR 540-8 / 7

NOM. TORQ. in-lbs x103 9.7 17.7 29.2 40.7 90.3 177.0 265.5 327.5 407.1 558 761 1,947

PEAK TORQ. in-lbs x103 19.5 35.4 58.4 81.4 180.6 354 531 655 814 1,115 1,522 3,894

MAX2 SPEED BAL. r.p.m. 14,600 12,300 10,500 9,600 7,700 7,000 6,400 6,000 5,500 5,100 4,700 3,600

DIMENSIONS (in) MAX. BORE MAX BORE STD. KEY RED. KEY 2.13 2.25 2.81 3.06 3.50 3.75 4.25 4.50 4.88 5.25 5.63 5.88 6.50 6.50 7.38 7.63 8.38 8.75 9.25 9.75 11.13 10.75 11.25 12.00 BSE MIN 6.69 8.86 10.43 11.81 14.37 15.94 17.32 17.91 19.69 21.46 21.85 26.77 Weight 5 lb 11 24 37 53 93 148 190 225 306 395 439 924

FD 5.20 6.22 7.28 7.95 10.04 10.95 11.89 12.80 13.58 14.96 16.14 21.26

RD 4.56 6.00 7.00 8.38 9.44 11.00 12.50 13.63 15.31 16.75 18.00 20.75

D 3.06 3.97 4.91 5.91 6.91 7.91 9.25 10.38 11.56 12.81 14.00 15.75

LP 1.56 1.84 2.28 2.90 3.40 3.96 4.43 5.03 5.69 6.15 7.41 8.69

LS 1.66 1.88 2.38 2.88 3.31 3.81 4.25 4.81 5.50 6.00 6.69 7.38

AXIAL6 Misalig. ±Ka inch 0.102 0.122 0.146 0.150 0.185 0.146 0.157 0.169 0.181 0.197 0.213 0.283

Larger sizes are available on demand. 1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers. 2) For higher speeds consult Lovejoy. 3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy. 4) Dimension BSE is the distance between shaft ends and is a variable parameter. 5) Weight of complete coupling with BSE min. dimension and max. bore. 6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible misalignment. 7) DIR is with rigid hubs. DILR are less rigid hubs.

D-22

Disc Couplings

Various examples for the disc coupling

Dimensional Data

Our Application Engineering Department is ready to supply the most suitable configuration to fit your requirements.

SU Type (Single disc pack)

SXAC Type (with clamping element)

D

SXFS Type (With floating shaft)

D

SXV Type (For vertical mounting)

SXCS Type (over size 302) (Spacer in 2 halves)

SXCAC Type (With internal clamping element)

D-23

Disc Couplings

Dimensional Data

SXFA Type (With flanged adaptors)

SXEI Type (With electrical insulation)

D

SXSP Type (With shear pins)

SXLEF Type (Limited end float)

SXHP Type (High performance)

D-24

Disc Couplings

Engineering Section/Bore and Keyway Standards

Technical Data

Inch Bore Standards to AGMA 9002-A96

Shaft Diameter inches Nominal Shaft Over Thru -- 1.5000 1.5000 3.0000 3.0000 4.0000 4.0000 5.0000 5.0000 7.0000 7.0000 8.0000 8.0000 9.0000

Metric Bore per ISO/R775;1969 (mm) H7

Shaft Diameter mm Tolerance H7 mm +0.010 -0.0 +0.012 -0.0 +0.015 -0.0 +0.018 -0.0 +0.021 -0.0 +0.025 -0.0 +0.030 -0.0 +0.035 -0.0 +0.040 -0.0 +0.046 -0.0 +0.052 -0.0 +0.057 -0.0

Diam. Less 0.001 0.002 0.003 0.0035 0.004 0.005 0.0055

Bore Tolerance +0.0005 -0.000 +0.0010 -0.000 +0.0015 -0.000 +0.0015 -0.000 +0.0015 -0.000 +0.002 -0.000 +0.002 -0.000

Over 1 3 6 10 18 30 50 80 120 180 250 315

Thru 3 6 10 18 30 50 80 120 180 250 315 400

Keyway Standards for Inch Bores

Nominal Keyway inches Square (up to 6.5000 inches), rectangular over Width Depth 0.1250 0.0625 0.1875 0.0937 0.2500 0.1250 0.3125 0.1562 0.3750 0.1875 0.3750 0.1875 0.5000 0.2500 0.5000 0.2500 0.6250 0.3125 0.7500 0.3750 0.7500 0.3750 0.8750 0.4375 1.0000 0.5000 1.0000 0.5000 1.2500 0.6250 1.2500 0.6250 1.5000 0.7500 1.7500 0.7500 1.7500 0.7500 2.0000 0.7500 2.0000 0.7500

Keyway Standards for Metric Bores JS9

Nominal Bore Diam. mm Over To 6 8 8 10 10 12 12 17 17 22 22 30 30 38 38 44 44 50 50 58 58 65 65 75 75 85 85 95 95 110 110 130 130 150 150 170 170 200 200 230 230 260 260 290 290 330 330 380 380 440 Nominal Keyway mm Width Depth 2 1.0 3 1.4 4 1.8 5 2.3 6 2.8 8 3.3 10 3.3 12 3.3 14 3.8 16 4.3 18 4.4 20 4.9 22 5.4 25 5.4 28 6.4 32 7.4 36 8.4 40 9.4 45 10.4 50 11.4 56 12.4 63 12.4 70 14.4 80 15.4 90 17.4 Nominal Key mm Width Height 2 2 3 3 4 4 5 5 6 6 8 7 10 8 12 8 14 9 16 10 18 11 20 12 22 14 25 14 28 16 32 18 36 20 40 22 45 25 50 28 56 32 63 32 70 36 80 40 90 45

Nominal Bore Diam. Inches Over To 0.4375 0.5625 0.5625 0.8750 0.8750 1.2500 1.2500 1.3750 1.3750 1.5000 1.5000 1.7500 1.7500 2.0000 2.0000 2.2500 2.2500 2.7500 2.7500 3.0000 3.0000 3.2500 3.2500 3.7500 3.7500 4.0000 4.0000 4.5000 4.5000 5.0000 5.0000 5.5000 5.5000 6.5000 6.5000 7.0000 7.0000 7.5000 7.5000 8.0000 8.0000 9.0000

Nominal Key inches Width Height 0.1250 0.1250 0.1875 0.1875 0.2500 0.2500 0.3125 0.3125 0.3750 0.3750 0.3750 0.3750 0.5000 0.5000 0.5000 0.5000 0.6250 0.6250 0.7500 0.7500 0.7500 0.7500 0.8750 0.8750 1.0000 1.0000 1.0000 1.0000 1.2500 1.2500 1.2500 1.2500 1.5000 1.5000 1.7500 1.5000 1.7500 1.5000 2.0000 1.5000 2.0000 1.5000

D

D-25

Disc Couplings

Installation of hubs. Machinery alignment. Installation of disc packs and spacer.

1. Installation of the hubs on the machine shafts.

a) Straight shafts with keyway. Lovejoy/Jaure supplies inch dimensioned hub bores to AGMA 9002-A96 interference fit. b) Metric bored straight shafts.

Installation Instructions

Lovejoy supplies disc hubs machined with clearance to H7 or interference to P7. Lovejoy/Jaure recommends that the shaft should be machined for an interference fit using tolerance s6 (ISO-286). Whenever shafts are already machined with a different tolerance from s6, Lovejoy will customize the hub bores. The following tolerances are recommended by Lovejoy. Shaft tolerance h6 k6 m6 n6 p6 c) Clamping devices. When clamping devices such as tapered bushings, shrink discs or locking rings are used, please contact the Lovejoy Application Engineering Department. Hub tolerance T7 R7 P7 N7 M7

2. Machinery Alignment.

As long as the machines are aligned within the mounting specifications from this catalog, the disc couplings will operate for a long time. However, it should be understood that the useful life of any disc pack coupling is directly influenced by the operating misalignment: the better the alignment, the longer the coupling life. Although the disc couplings can operate satisfactorily at the misalignment listed in the catalog, both the coupling life and machine bearing wear can be greatly improved if the machines are aligned better than the maximum value that the coupling can accommodate. Lovejoy/Jaure recommends that the working misalignment should not exceed 20% of the catalog values. Therefore, the following formulas show Lovejoy/Jaure´s recommendations for maximum misalignment. Three types of machine misalignment (offset, angular and axial) should be checked. Lovejoy/Jaure has the following recommendations: The maximum offset misalignment that the disc coupling can accommodate is a function of the distance between the disc packs. For the configurations SX, this distance is practically the same as the distance between the shaft ends. This statement is not valid for other configurations, such as SXC, DI, SXGS, and DIR. If shafts have an offset misalignment with minimum angular misalignment, the following maximum values for the offset are applicable. Disc with 6 bolts TIR ( disc pack to disc pack distance ) / 150 Disc with 8 bolts TIR ( disc pack to disc pack distance ) / 300 Disc with 10 bolts TIR ( disc pack to disc pack distance ) / 350 (NOTE: TIR is the Total Indicator Reading, which is twice the shaft offset )

D

D-26

Disc Couplings

Installation Instructions

The maximum angular misalignment at each disc pack is listed in the tables. This angular misalignment can be verified by measuring the flange-to-flange distance (see figure below) and subtracting the smallest reading from the largest reading (Y-Z). The maximum value of (Y-Z) depends on the flange diameter and therefore on the coupling size. Based on the data from the tables, the following maximum values for (Y-Z) are recommended: Disc with 6 bolts Disc with 8 bolts Disc with 10 bolts (Y-Z) Coupling size / 7620 (Y-Z) Coupling size / 15420 (Y-Z) Coupling size / 17780

Example: For Disc size 380-6 ( maximum angular misalignment of 1° ). (Y-Z) should not exceed 380/7620 = .05 inch. The axial displacement allowable between shafts during installation should not exceed 20% of the allowable displacement given in the catalog. This displacement is a function of the coupling size and the number of bolts utilized. The larger the size, the larger axial displacement. The axial displacement creates large stresses in the discs. For a long life, it is recommended that the discs are as close as possible to being flat. Therefore, the movements of the shafts as caused by thermal expansion should be carefully considered. For instance, if the distance between shaft ends changes by .196 in. (the shafts are coming closer to each other) from cold to hot machines, the distance between shaft ends with cold machines should intentionally be made larger by .196 in. when the coupling is installed.

3. Installation of disc packs and spacer.

The installation of the coupling components depends on the type of disc coupling: the only tools needed are regular wrenches or sockets and a torque wrench. Tightening the bolts of a coupling to specification is very important.

Disc Pack Bolt Tightening Torque (dry thread) For all styles

Size 90 110 132 158 185 202 228 255 278 Nm 13 30 30 60 100 150 230 450 450 ft-lbs 9.6 22 22 44 74 111 170 332 332 Size 302 325 345 380 410 440 475 505 Nm 600 600 780 1,100 1,500 2,000 2,600 3,300 ft-lbs 443 443 575 811 1,106 1,475 1,918 2,434 Size 540 570 605 635 675 700 730 760 Nm 4,100 5,100 6,200 7,600 9,900 12,200 12,200 14,800 ft-lbs 3,024 3,762 4,573 5,606 7,302 8,999 8,999 10,916

D

Note: For lubricated threads, multiply the values by 0.8.

Spacer and Flange Bolt Rightening Torque (dry thread) For styles SXGS, DILR, and DIR styles

Size 132-6/ 1 158-6/ 1.5 185-6/ 2 202-6/ 2.5 255-6/ 3 278-8/ 3.5 Nm 15 47 106 197 197 298 ft-lbs 11 35 78 145 145 220 Size 302-8/ 4 325-8/ 4.5 345-8/ 5 380-8/ 5.5 410-8/ 6 540-8/ 7 Nm 298 298 412 412 412 412 ft-lbs 220 220 304 304 304 304

Note: For lubricated threads, multiply the values by 0.8.

Hub Bolt Tightening Torque for styles DI-6 and DI-8

Size 90-6 110-6 132-8 158-6 185-6 202-6 228-6 255-8 278-6 Nm 15 35 35 69 120 190 295 580 580 ft-lbs 11 26 26 51 89 140 218 428 428 Size 302-6 325-6 345-8 380-6 410-6 440-6 475-6 505-6 Nm 780 780 580 780 1000 1500 2000 2000 ft-lbs 575 575 428 575 738 1106 1475 1475 Size 278-8 302-8 325-8 345-8 380-8 410-8 Nm 108 108 325 325 325 565 ft-lbs 80 80 240 240 240 417 Size 475-8 505-8 540-8 570-8 605-8 Nm 660 660 760 760 760 ft-lbs 487 487 551 561 561

Note: For lubricated threads, multiply the values by 0.8.

D-27

Disc Couplings

Installation Instructions

a) Standard configuration. SX and SXO types. The only bolts to be installed and tightened are the ones that attach the disc packs to the hubs and spacer. Place the spacer and install the bolts with their heads at the flange and not at the disc pack. The nuts shall be turned with the torque wrench to the specified torque, while the heads of the bolts are held stationary. b) Close coupled configuration. SXC and SXCO types. The SXC coupling type was created for use with machines that have the shafts too close for the use of the standard SX coupling. The outside diameter of the hubs was reduced to be inserted in the inside of the hole of the disc pack. To install the hubs on their shafts, the shafts must be spaced apart at least the length of one hub (see dimension LS in the table). To install the coupling, the disc packs can be first attached with their bolts to the spacer, then slide over one of the hubs and attached to it. Next, the machines must be brought in position so that the second disc pack can be attached to its hub. The machine alignment can now be performed. Because the spacer covers the shaft ends, the axial spacing must be checked by measuring the flange to flange distance (dimension "PW" in tables). The offset and angular misalignments can be checked as previously described. The bolts that attach the disc packs to the hubs and spacer must be tightened to specification (using a torque wrench at the nuts) while the bolt heads are held stationary. c) Drop-out configuration. DI type. The drop-out configuration allows the installation and removal of the coupling assembly without the need to remove the hubs from their shafts. The coupling is received from Lovejoy/Jaure fully assembled with the bolts tightened to specifications. If, however, there is a need to disassemble the coupling assembly (in case the disc packs need to be replaced) the nuts should be tightened to specification using a torque wrench while the bolt heads are held stationary. Machine alignment should be done before the coupling assembly is in place. The coupling assembly will not fit between the hubs as long as the shaft-to-shaft distance was correctly set. The coupling ends should be brought together by compressing the disc packs using the shipping screws so that the assembly will fit between the male rabbets. Once in position, the coupling will snap in place and the bolts that attach the assembly to the shaft hubs must be tightened to Lovejoy/Jaure specifications using a torque wrench. This operation must be carefully performed as these bolts transmit the full coupling torque. To remove the coupling assembly, first remove all the bolts that retain it to the hubs. Then compress the assembly by introducing the existing flange bolts in the shipping holes and press the coupling away from the male rabbets. d) Reduced moment coupling with spacer according to AGMA 516, SXGS type. The reduced moment configuration is used whenever the shaft stresses require that the center of gravity of the coupling is very close to the machine bearings. This configuration also allows either machine to be removed by dropping the spacer without the need to disturb the disc-pack assemblies. The installation of this coupling requires the following steps: Install the hubs on their shafts. Measure and adjust the shaft-to-shaft (BSE) distance. Align the machine shafts as previously described. Attach one disc pack and a short sleeve at each hub, by tightening the nuts to specifications, while holding the bolt heads stationary. Place the spacer between the two sleeves. It should fit without interference or without a gap remaining between the flanges. Correct the machine spacing if necessary, as any axial displacement can adversely affect the coupling´s long term performance. Insert the flange bolts and tighten the nuts to specifications using a torque wrench and adaptor while holding the bolt heads stationary. Recheck the alignment and correct if necessary. e) Drop-out coupling with floating assembly, flanges according to AGMA 516, DIR type. Machine alignment should be done before the coupling assembly is in place. The drop-out configuration allows the installation and removal of the coupling assembly without the need to remove the hubs from their shafts. The coupling is received from Lovejoy/Jaure fully assembled with the bolts tightened to specifications. If, however, there is a need to disassemble the coupling assembly (in case the disc packs need to be replaced) the nuts should be tightened to specification using a torque wrench while the bolt heads are held stationary. The coupling assembly will fit between the hubs as long as the shaft-to-shaft distance was correctly set. Once in position, the nuts that attach the assembly to the shaft hubs must be tightened to specifications using a torque wrench and adaptor while the bolt heads are held stationary. This operation must be carefully performed, as these bolts transmit the full coupling torque.

D

D-28

Information

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