Joining two motors
- Aldenflorio
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02 Aug 2020 21:54 - 02 Aug 2020 22:50 #176945
by Aldenflorio
Joining two motors was created by Aldenflorio
Sorry I posted in the wrong section and I’m not sure how to delete it.
Last edit: 02 Aug 2020 22:50 by Aldenflorio. Reason: My bad
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02 Aug 2020 22:05 - 02 Aug 2020 22:08 #176947
by Clive S
First I would read this:-
linuxcnc.org/docs/2.8/html/plasma/plasma-cnc-primer.html
and
linuxcnc.org/docs/2.8/html/plasma/plasmac-user-guide.html
Basically you would have two drives and Linuxcnc will sync them and auto square the gantry from within the INI file
linuxcnc.org/docs/2.8/html/getting-start...etting-linuxcnc.html
Replied by Clive S on topic Joining two motors
I’m building a plasma cnc table. There are four motors, one for the x axis, one for the z axis, and two On the opposite ends for the y axis. How do I sync the two y motors up?
First I would read this:-
linuxcnc.org/docs/2.8/html/plasma/plasma-cnc-primer.html
and
linuxcnc.org/docs/2.8/html/plasma/plasmac-user-guide.html
Basically you would have two drives and Linuxcnc will sync them and auto square the gantry from within the INI file
linuxcnc.org/docs/2.8/html/getting-start...etting-linuxcnc.html
Last edit: 02 Aug 2020 22:08 by Clive S.
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- Aldenflorio
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02 Aug 2020 22:16 #176948
by Aldenflorio
Replied by Aldenflorio on topic Joining two motors
I’m using 2.9 if that changes anything. But I have the other motors set up and configured. I’m not sure very well what I’m doing when it comes the altering the ini or Hal files. Each motor has its own driver
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- Aldenflorio
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02 Aug 2020 22:46 #176954
by Aldenflorio
Replied by Aldenflorio on topic 2 motors on one axis
How do I configure two motors to work together on one axis? I’m using Linuxcnc 2.9
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02 Aug 2020 23:25 #176962
by cmorley
On the Mesa page:
select (on a stepgen combo box):
StepGen -> Axis -> main ->X Axis Stepgen
then (on another combo box):
StepGen -> Tandem Axis -> ->X2 Tandem Axis Stepgen
Replied by cmorley on topic 2 motors on one axis
On the Mesa page:
select (on a stepgen combo box):
StepGen -> Axis -> main ->X Axis Stepgen
then (on another combo box):
StepGen -> Tandem Axis -> ->X2 Tandem Axis Stepgen
Attachments:
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02 Aug 2020 23:35 #176964
by tommylight
Replied by tommylight on topic 2 motors on one axis
Moved and post added here.
-If you used pncconf to create the config, use it again to edit an existing config, choose that config then at the stepgen page select one drive/motor as the main axis and the other as the tandem axis.
That will set everything for you, the only thing left to check is if the two motors are working together by going in the same direction. If not, open the calibration from the machine menu in AXIS GUI and add - to scale of the motor that is going in the wrong direction.
-If you used pncconf to create the config, use it again to edit an existing config, choose that config then at the stepgen page select one drive/motor as the main axis and the other as the tandem axis.
That will set everything for you, the only thing left to check is if the two motors are working together by going in the same direction. If not, open the calibration from the machine menu in AXIS GUI and add - to scale of the motor that is going in the wrong direction.
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03 Aug 2020 03:43 - 03 Aug 2020 03:44 #176994
by Aldenflorio
Replied by Aldenflorio on topic 2 motors on one axis
When I do that the other motor just doesn’t move at all. I know it works bc if I press 2 then i can control it with the - and + button
Last edit: 03 Aug 2020 03:44 by Aldenflorio.
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03 Aug 2020 06:43 #177005
by cmorley
Replied by cmorley on topic 2 motors on one axis
Sounds like you are jogging in joint mode.
Do you see numbers or letter on (I assume you are using) AXIS's display?
Did you set up homing?
Do you see numbers or letter on (I assume you are using) AXIS's display?
Did you set up homing?
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03 Aug 2020 06:47 #177006
by cmorley
Replied by cmorley on topic 2 motors on one axis
Also please post you config files
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03 Aug 2020 08:32 #177016
by tommylight
Replied by tommylight on topic 2 motors on one axis
You need to home that machine first, then jog.
Do you have home switches on the machine?
Do you have home switches on the machine?
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