Operators manual for the Pentruder 8 – 20HF IQ and Pentpak 427
Page 6
Tractive Support
Tracks and brackets
The tracks and the brackets are designed to provide high levels of rigidity and stability for the lowest
possible weight. The design is unique in the sense that it allows the guide rollers on the saw head to
be aligned above each other, in the same plane as for the cut. This is to provide the highest levels
of safety, stability and precision of cut.
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The tracks are very lightweight at only 6.7 kg / m (4.5 lbs. per foot) track. The stiffness and
stability in the system is still, in spite of the low weight, sufficient for heavy loads and jobs where
up to 2.0 m (78”) diameter blades are used.
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The tracks have stainless steel rails on which the rollers run. They offer high wear resistance and
precise control of the saw head. The grooves into which the guide rails are located have been
machined with great precision.
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The tracks are quickly and easily mounted in an easily accessible yoke by means of a T-slot
piece, which in turn is provided with a lubricated and protected screw and case hardened sleeve-
type nut. The hardened sleeve-type nut safeguards that the screw preload is always adequate to
clamp the track. This system improves safety and reduces the possibility of the nut working loose
because of vibration or variations in load.
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The brackets are versatile and easy to use. A minimum of two brackets are needed to fit one
track. When two tracks are joined, at least three brackets must be used, one of which must be
mounted directly over the joint between the two tracks.
