Read Naarvafellingheads2005.pdf text version

Janne Häikiö May 2005

Pentin Paja Oy, established in 1982, is an engineering, manufacturing and sales company, specialising in solutions for forest- and construction equipments and ­ machines, which are sold under the brand name Naarva. Important area of operation is also maintenance and installation services for the local industrial plants.

Since 1992 the company has manufactured and sold its Naarva-Grip, which is a combination of felling head and grapple. Several various models can be offered for accessory from smallest tractor mounted loader to big harvester cranes..

Common for all these felling heads and thinning grapples is that the cutting is performed with a patented, extremely strong "guillotine" cutting unit, which during over 10 years use has proved to be very reliable and robust.

The cutting blade in the "floating" cutting unit with the supporting grippers leaves undamaged, incredibly smooth cutting face. The solid structure allows rough usage and high quality steel blade is insensible for stones, sand or stumps. Naarva-Grip can be pushed under the snow or ground-cover moss to get minimal short stumps.

Naarva-Grip 1000-23

Felling head for a normal farm tractor. Weight 180 kg. Knives for vertical delimbing (with crane). Max. cutting diameter Ø23 cm. Needed oil volume 30 - 50 l/min

Naarva-Grip 1500-25

Felling head for big farm tractors and forwarders. Weight 300 kg Max. cutting with quillotine blade 25 cm. Recommended oil flow output 80 ­ 150 l/min. Max. pressure 200 bar.

Accumulating felling head for big farm tractors and forwarders. Weight 360 kg Max. cutting with quillotine blade 25 cm. Recommended oil flow output 80 ­ 150 l/min. Max. pressure 200 bar.

Naarva-Grip 1500-25E

Naarva-Grip 1500-40

Felling head for forwarders and harvesters. Weight 400 kg Max. cutting with quillotine blade 32 cm (- 40-50 cm for bushes) Recommended oil flow output 80 ­ 150 l/min. Max. pressure 200 bar.

Naarva-Grip 1500-40E

Big felling head with accumulating grippers Suitable for forwarders, harvesters and excavators. Weight approx. 520 - 550 kg Max. cutting with quillotine blade 32 cm (40-50 cm for bushes) Recommended oil flow output 80 ­ 150 l/min. Max. pressure 200 bar. Height in felling position 1,1 m.

Naarva-Grip 1600-40

Big felling head with accumulating grippers for harvesters and excavators. Weight 560 - 600 kg Max. cutting with quillotine blade 32 cm (- 40-50 cm for bushes). Recommended oil flow output 80 ­ 150 l. Max. pressure 200 bar. Height in felling position 1,65 m.

Steg-Master 2000-25

Steg-Master is an effective and economic small pulse harvester head, which can be easily installed on a normal farm tractor or a timber crane of a small forest machine. The strong guillotine cutting device makes it possible to clear forest even for example at field and road sides, where it can be difficult to get the work done with a chain saw. Weight 290 kg Max. cutting diameter 25 cm Needed oil volume 40 - 70 l/min

EXPORT

-Pentin Paja Oy has been exporting for 8 years. -Naarva-machines have been delivered to 15 countries.

Sweden, Denmark, Norway, Germany, Italy, Netherlands, Spain, France, South-Korea, USA, Kanada, Estonia, Latvia, Czech, Switzerland

Thank you for your attention!

View of Naarva village

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