QtPlasmaC + CoreXY Kinematics
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10 Jan 2026 23:32 #341254
by deckname
QtPlasmaC + CoreXY Kinematics was created by deckname
Hi everyone, i´m new here.I’m having major issues getting my LinuxCNC setup to work with QtPlasmaC and CoreXY kinematics.My setup:
I had previously tried running the machine with SCARA kinematics, but I naively thought CoreXY would be simpler.
Is a setup like this possible for a beginner or should i try a different approach?
Why are kinematics that complicated and troublesome anyways?
Thanks in advance for any help!
- LinuxCNC 2.9.6
- Mesa 7i96s Ethernet + 3 steppers (X, Y, Z)
- QtPlasmaC GUI
- CoreXY kinematics (tried corexykins and corexy_by_hal)
I had previously tried running the machine with SCARA kinematics, but I naively thought CoreXY would be simpler.
Is a setup like this possible for a beginner or should i try a different approach?
Why are kinematics that complicated and troublesome anyways?
Thanks in advance for any help!
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10 Jan 2026 23:43 #341255
by tommylight
Replied by tommylight on topic QtPlasmaC + CoreXY Kinematics
That will most probably require a bit more hand editing as you also need to have some of the contents of 3joint_xyz.hal, but i do not recall exactly what or how, it was a long time ago since i used this.
Did you try changing the kinematics in the in file to
KINEMATICS = corexykins
And did that produce any result?
But first, does the machine have home/limit switches on X and Y ? That is a must.
Did you try changing the kinematics in the in file to
KINEMATICS = corexykins
And did that produce any result?
But first, does the machine have home/limit switches on X and Y ? That is a must.
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11 Jan 2026 11:30 #341261
by deckname
Replied by deckname on topic QtPlasmaC + CoreXY Kinematics
Thanks for the reply
I tried corexykins, didn´t work because i use uspace?
so i went with KINEMATICS = corexy, which then caused problems with loadrt [KINS]KINEMATICS and loadrt [EMCMOT]EMCMOT...
Why are home switches necessary? I dont have the machine connected at the moment since I´m only trying to get the software to start.
Is this combination of software even the right choice?
I´m building a small portable plasma cutter while using some parts of an old 3d printer and i would really like to use corexy.
Are there other GUIs that work better with this?
I tried corexykins, didn´t work because i use uspace?
so i went with KINEMATICS = corexy, which then caused problems with loadrt [KINS]KINEMATICS and loadrt [EMCMOT]EMCMOT...
Why are home switches necessary? I dont have the machine connected at the moment since I´m only trying to get the software to start.
Is this combination of software even the right choice?
I´m building a small portable plasma cutter while using some parts of an old 3d printer and i would really like to use corexy.
Are there other GUIs that work better with this?
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11 Jan 2026 18:22 #341288
by deckname
Replied by deckname on topic QtPlasmaC + CoreXY Kinematics
I´m sorry, i think i mixed something up.
KINEMATICS = corexykins actually works.
might have been the home switches...
Thanks again
KINEMATICS = corexykins actually works.
might have been the home switches...
Thanks again
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11 Jan 2026 21:31 #341299
by tommylight
Replied by tommylight on topic QtPlasmaC + CoreXY Kinematics
You are welcomed, always, and thank you for reporting back, i am building a small 10W laser with spare parts from a Creality CR-30 (the whole gantry as it is very sturdy and uses 10mm wide belts tightened to breaking point!
) so i will need corexy to work, again.
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