Automatic Gantry Squaring
- ekbiker
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08 Sep 2024 14:48 #309665
by ekbiker
Automatic Gantry Squaring was created by ekbiker
Does anyone have a .hal snippets for using gantry component in LinuxCNC 2.9.3 for automatic squaring in their homing sequence?
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- tommylight
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08 Sep 2024 15:05 #309671
by tommylight
Replied by tommylight on topic Automatic Gantry Squaring
No component required, it is a normal feature since 2.8, see ini homing
linuxcnc.org/docs/html/config/ini-homing.html
Basically, set the HOME_SEQUENCE to -1 or -2 for the tandem joints in the ini file and adjust the HOME_OFFSET value as you need it to square properly.
PncConf will do this automatically if you choose a tandem axis/joint, probably StepConf will do the same but i am not sure.
linuxcnc.org/docs/html/config/ini-homing.html
Basically, set the HOME_SEQUENCE to -1 or -2 for the tandem joints in the ini file and adjust the HOME_OFFSET value as you need it to square properly.
PncConf will do this automatically if you choose a tandem axis/joint, probably StepConf will do the same but i am not sure.
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- lorenzing
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13 Jan 2026 13:48 #341344
by lorenzing
Replied by lorenzing on topic Automatic Gantry Squaring
Hello everyone, I’m asking for your help to understand how I can automatically square my gantry, which is equipped with two motors for the Y and Z axes. The motors have multi-turn absolute encoders, so I don’t have sensors for homing. For me, it would be enough if both motors had the same value. Currently, I perform this operation manually in jog mode when starting LinuxCNC. I’m attaching both the .ini and .hal files. Thanks for your help.
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