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TCP 5-axis kinematics
4 years 6 months ago #239088
by 3D-Master
Replied by 3D-Master on topic TCP 5-axis kinematics
Hello,
i have been away for some time. Is it now possible to have XYZAC/BC Kinematics which can be switched to full simultaneous (Tool center point control) at any angle, has the ability to tilt/swivel the rotary axes and shift the part coordinate system (in heidenhain its called Plane Spatial) as well as TCP trajectory planner and machine axis limit calculation so the axes do not slam into hardstops while machine using TCP? I mean not manual handcoding but only choosing the kinematics in the hal or ini file like Trivkins and you are good to go?
thanks
i have been away for some time. Is it now possible to have XYZAC/BC Kinematics which can be switched to full simultaneous (Tool center point control) at any angle, has the ability to tilt/swivel the rotary axes and shift the part coordinate system (in heidenhain its called Plane Spatial) as well as TCP trajectory planner and machine axis limit calculation so the axes do not slam into hardstops while machine using TCP? I mean not manual handcoding but only choosing the kinematics in the hal or ini file like Trivkins and you are good to go?
thanks
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4 years 6 months ago #239111
by daidai
Replied by daidai on topic TCP 5-axis kinematics
The current version of linuxcnc is 2.8.0.
Are you saying I need to upgrade to 2.9.0?
Are you saying I need to upgrade to 2.9.0?
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4 years 6 months ago #239590
by andypugh
Replied by andypugh on topic TCP 5-axis kinematics
If you want switchable kinematics, yes. Not if you just want conventional XYZAC-TRT kinematics.The current version of linuxcnc is 2.8.0.
Are you saying I need to upgrade to 2.9.0?
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4 years 6 months ago #240978
by jurod
Replied by jurod on topic TCP 5-axis kinematics
Hi
Only now have I done the correct kinematics for the MAKA machine.
But I have a problem with the W axis. He will make a mistake after one millimeter. It doesn't matter what the speed is. (parameter F)
The movement of the W axis is also 1 mm
Kinematics: 5axiskins
LC: master 2.9.0.
I can't find an error in my configuration. Please help.
Another question: How do I set the Pivot-length parameter to fixed? The default is set to 250mm.
Only now have I done the correct kinematics for the MAKA machine.
But I have a problem with the W axis. He will make a mistake after one millimeter. It doesn't matter what the speed is. (parameter F)
The movement of the W axis is also 1 mm
Kinematics: 5axiskins
LC: master 2.9.0.
I can't find an error in my configuration. Please help.
Another question: How do I set the Pivot-length parameter to fixed? The default is set to 250mm.
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4 years 6 months ago - 4 years 6 months ago #241014
by dgarrett
Replied by dgarrett on topic TCP 5-axis kinematics
for w joint 5:
net j5loop <= joint.5.motor-pos-cmd
net j5loop => joint.5.motor-pos-fb
For pivot-length use:
5axiskins.pivot-length
the sim config shows example computing pivot-length
github.com/LinuxCNC/linuxcnc/tree/master...ach/5axis/bridgemill
github.com/LinuxCNC/linuxcnc/blob/master...dgemill/5axisgui.hal
net j5loop <= joint.5.motor-pos-cmd
net j5loop => joint.5.motor-pos-fb
For pivot-length use:
5axiskins.pivot-length
the sim config shows example computing pivot-length
github.com/LinuxCNC/linuxcnc/tree/master...ach/5axis/bridgemill
github.com/LinuxCNC/linuxcnc/blob/master...dgemill/5axisgui.hal
Last edit: 4 years 6 months ago by dgarrett.
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4 years 6 months ago #241083
by jurod
Replied by jurod on topic TCP 5-axis kinematics
Thank you, he's working right now
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