LF – Maximized production through low friction

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 the LF series harvester heads are also known for their high capacity / weight ratio as well as their compact and nimble design that makes 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.

 

1.

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.

 låg friktion

2.

Proportional pressure

The proportional pressure ensures that the harvester head automatically is working with the perfect pressure in relation to the tree size being processed at the time. This results in high-speed feeding, low wear on the harvester head as well as low fuel consumption on the carrier. The proportional pressure can be optimized for different species and conditions for minimum fibre damage and maximum productivity.

 proportionella tryck

3.

LogHold

This 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.

  
 

Low friction

 

4.

Knife edges

The delimbing knives are casted in high strength steel and equipped with long and perfectly designed cutting edges. The design of the long cutting edges ensures that the limbs are smoothly cut of and not broken off. This minimizes the friction during the feeding and gives a perfect delimbing result.