Speed vs microsteps
- Leon82
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02 Nov 2019 15:47 #149427
by Leon82
Speed vs microsteps was created by Leon82
If you can travel at a limited speed at say 10 micro steps and you travel double at 5 micro steps since you need less pulses?
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- PCW
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02 Nov 2019 16:49 - 02 Nov 2019 16:50 #149430
by PCW
Replied by PCW on topic Speed vs microsteps
Yes, if your step rate is limited (say with parallel port hardware)
you can often go faster at lower ustep ratios though
at the expense of low speed smoothness.
you can often go faster at lower ustep ratios though
at the expense of low speed smoothness.
Last edit: 02 Nov 2019 16:50 by PCW.
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02 Nov 2019 19:09 #149438
by Leon82
Replied by Leon82 on topic Speed vs microsteps
Thanks, I thought that also but I seem to get the best speed at 1600 pulses per rev.
I must not have the timing right or my scale is off.
It's a keling 5056e I made a rotary axis with a headstock and harmonic reducer at 60 to 1
Is the scale pulses per degree or pulses per revolution?
I must not have the timing right or my scale is off.
It's a keling 5056e I made a rotary axis with a headstock and harmonic reducer at 60 to 1
Is the scale pulses per degree or pulses per revolution?
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02 Nov 2019 23:06 #149454
by PCW
Replied by PCW on topic Speed vs microsteps
Scale for rotary axis is in degrees (or Radians or Grads) not rotations
You may get better stepper performance at higher ustep ratios because
the motion will be smoother and less likely to excite resonances which
can lead to stalls
You may get better stepper performance at higher ustep ratios because
the motion will be smoother and less likely to excite resonances which
can lead to stalls
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02 Nov 2019 23:44 #149458
by Leon82
Replied by Leon82 on topic Speed vs microsteps
Thanks.
I'm going to keep it where it is and try it for a while.
I'm going to keep it where it is and try it for a while.
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03 Nov 2019 03:35 #149464
by Dinuka_Shehan
Replied by Dinuka_Shehan on topic Speed vs microsteps
This video may help you!
By
DS
By
DS
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03 Nov 2019 03:56 #149467
by Leon82
Thanks, but at this point I'm just rapid the rotary.
The motor itself doesn't spin as fast as my x and y steppers which are using gecko 201x drives locked at 10 microstep.
I bought this drive with the intent of only half stepping it but the Hal and ini are setup for the gecko drive timing. In reality it will work fine.
Here is it running, the vibration is the computer case
Replied by Leon82 on topic Speed vs microsteps
This video may help you!
By
DS
Thanks, but at this point I'm just rapid the rotary.
The motor itself doesn't spin as fast as my x and y steppers which are using gecko 201x drives locked at 10 microstep.
I bought this drive with the intent of only half stepping it but the Hal and ini are setup for the gecko drive timing. In reality it will work fine.
Here is it running, the vibration is the computer case
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