Rotating coordinate system?
04 May 2014 16:26 #46573
by dannym
Rotating coordinate system? was created by dannym
I need to rotate the coordinate system to align my work. Under Mach3, I'd use G68 R5.
For LinuxCNC I tried using G10 L2 P0 R5 "Set Coordinate System". and I get back an error that the axis isn't homed.
I was told this means you need to physically return to the origin, which shouldn't be necessary at all. It's not practical and may not even be possible to physically move there.
Am I missing something? Is there a way to get this command to work?
For LinuxCNC I tried using G10 L2 P0 R5 "Set Coordinate System". and I get back an error that the axis isn't homed.
I was told this means you need to physically return to the origin, which shouldn't be necessary at all. It's not practical and may not even be possible to physically move there.
Am I missing something? Is there a way to get this command to work?
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04 May 2014 19:37 #46578
by BigJohnT
Replied by BigJohnT on topic Rotating coordinate system?
You need to home all axes after powering up your machine.
I have a sheet alignment example here
gnipsel.com/linuxcnc/examples.html
JT
I have a sheet alignment example here
gnipsel.com/linuxcnc/examples.html
JT
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04 May 2014 23:57 #46582
by dannym
Replied by dannym on topic Rotating coordinate system?
Does that mean all G10 commands are good from then on, even if you're not at the origin at the time?
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05 May 2014 18:31 #46617
by BigJohnT
I don't understand what you are asking by "good".
JT
Replied by BigJohnT on topic Rotating coordinate system?
Does that mean all G10 commands are good from then on, even if you're not at the origin at the time?
I don't understand what you are asking by "good".
JT
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06 May 2014 06:38 #46646
by andypugh
G10 ... R ... is valid once you are homed, even if you are not physically at home.
Until you are homed the system doesn't know what point you want to rotate around, so it can't.
Replied by andypugh on topic Rotating coordinate system?
Does that mean all G10 commands are good from then on, even if you're not at the origin at the time?
G10 ... R ... is valid once you are homed, even if you are not physically at home.
Until you are homed the system doesn't know what point you want to rotate around, so it can't.
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