unstable interpolation on gantry router

11 Mar 2017 07:11 #89406 by mpvriens
Have build a gantry router 4000 x 2000 with linuxcnc 2.8 masterbranche, have challenge with interpolation movements on x and y,
have a Ferror of 0.04 on both axes, but a riple of about 0.1 to 0.3 on surface.
11 Mar 2017 08:06 #89407 by emcPT
The surface issue should be mechanically. From the encoder point of view (from where the ferror is observed) until the tip of the tool is mostly mechanically. Can you post a few pictures of your Z axis setup?
11 Mar 2017 08:17 #89408 by mpvriens
Hi emcPT surface is mend the routered surface in X and Y
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