[Home]Screw Compensation

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This page is to describe the Screw Compensation in LinuxCNC.

If your screw is not as perfect as you desire you can use screw compensation.

http://www.linuxcnc.org/docview/html//config_ini_config.html#sub:%5BAXIS%5D-Section

There are two types of compensation

COMP_FILE_TYPE = 0

nominal forward reverse

COMP_FILE_TYPE = 1

nominal forward trim reverse trim

The file format is:

number space number space number
n.nnnnnn n.nnnnnn n.nnnnnn
Some example numbers:
0.000000 0.000000 -0.001279
0.100000 0.098742 0.051632
0.200000 0.171529 0.194216

You can name the file anything you like

xscrew.comp
yscrew.comp
zscrew.comp

Place this in each AXIS section you have a comp table for.

COMP_FILE = file.extension

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Edited January 21, 2012 1:02 pm by CNCDreamer (diff)
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