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Diferent motors on same axis

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23 Aug 2021 14:00 - 23 Aug 2021 14:19 #218508 by Schneiderman
Hi guys!

I am new to LinuxCnc and in need for some help.

I know it is possible to connect two motors (same model/ same size and same gear ratio etc) on same axis.

I want to know if it is possible to connect two diferent motors, with diferent gear ratio and sizes, on the same axis. and how do I do that.

For example, I have a cnc type XZ and three diferent motors ( diferent gear ration and sizes).

Do I set the step conf to XYZ and attach Y axis to Zaxis??

Thank you in advance.
Last edit: 23 Aug 2021 14:19 by Schneiderman.

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23 Aug 2021 14:08 #218513 by andypugh
Yes, it is possible. It isn't even difficult.
Just configure as normal, but set up the motors differently.

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23 Aug 2021 14:16 #218517 by Schneiderman
Thank you Andy,

But please explain it to me further.

For example, I have a cnc type XZ and three diferent motors ( diferent gear ration and sizes).

Do I set the step conf to XYZ and attach Y axis to Zaxis?

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23 Aug 2021 14:18 #218519 by Schneiderman
bhank you Andy,

But please allow me to explain further.

For example, I have a cnc type XZ and three diferent motors ( diferent gear ration and sizes).

Do I set the step conf to XYZ and attach Y axis to Zaxis??

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26 Aug 2021 22:18 #218832 by andypugh
I think that Stepconf allows you to configure more than one motor per axis.
But I haven't used it for years. (I tend to largely configure by hand as most of what I do is unconventional)

It might help to understand that LinuxCNC reserves the word "axis" for the spatial coordinates, and uses "Joint" to refer to a motor / slide actuator.

So configure the joints according to the motor parameters and then allocate the joints to the axes.

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