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SP Harvesting Heads

SP Harvesting Heads

Jas P Wilson have been involved in the supply of SP harvesting heads since 2009. We were first introduced to them after Rottne started to fit SP heads to their machines as part of their range with very impressive results. The SP head is a high quality product with some very clever unique equipment built in.

LF Series Harvesting Heads

LF stands for the low friction that appears between the trunk and the harvester heads in the LF series. LF minimizes the friction between the trunk and the harvester head during the feeding and by doing so it maximizes the performance and production of the harvester head. The low friction also minimizes fibre damage, harvester head wear as well as fuel consumption on the carrier.

Besides the low friction LF series harvester heads are also known for their high capacity / weight ratio as well as their compact and nimble design – making them very easy to manoeuvre in dense stands. LF consists of four smart systems and solutions all contributing to a minimized friction and maximized production.

Proportionally Angled Feed Rollers

This SP patent makes sure that the feed rollers provide maximum angle and carrying force when the harvester head is fully opened, i.e. when working with maximum tree sizes. Thanks to the fact that the feed rollers provides more carrying force the larger the trunk the harvester head can be run with a very low knife pressure resulting in a faster and more productive harvester head.

LogHold System

LogHold, an SP patent, ensures that the proportional pressure of the delimbing knives can be reduced to an absolute minimum without risk of dropping the tree. If LogHold detects that the trunk is about to fall out of the harvester head it reacts lightning fast by regulating the pressures of the harvester head to such a level that the tree is back to the optimum position again. LogHold is easily set up in the computer system and can be optimized for different species and conditions for minimum fibre damage and maximum productivity.

LogHold is integrated in the SP harvester head software and does not need any additional sensors or encoders.

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