1000 pulse per rev limit?

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1 year 1 week ago #336735 by Ayden25
Hey all. I have dropped it to 800 so it works but I would like a higher resolution. I'm just wondering how I can get 1600 plus per rev in linux cnc so I can have .0001" per step

Thanks in advance. 

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1 year 1 week ago #336736 by meister
Replied by meister on topic 1000 pulse per rev limit?
It always depends on the speed (rpm) and the hardware you are using. You should describe what you have in more detail.

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1 year 1 week ago #336737 by unknown
Replied by unknown on topic 1000 pulse per rev limit?
When you start talking tenths, you have to start looking an thermal expansion.

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1 year 1 week ago #336745 by Ayden25
Replied by Ayden25 on topic 1000 pulse per rev limit?
In the pncconf it just wont let me enter more then 1000 just running standard 200 pulse per rev closed loop steppers. My issue isnt really a hardware thing though I just cant enter more the 1000.

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1 year 1 week ago #336746 by Ayden25
Replied by Ayden25 on topic 1000 pulse per rev limit?
Yes this is true dont know what that has to do with hitting a software limmit? This isnt a router or plasma table being able to move tenths is going to be important.

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1 year 1 week ago #336750 by PCW
Replied by PCW on topic 1000 pulse per rev limit?
If you are talking about pncconfs scale calculator, the steps per turn number
is intended to be the number of full steps per turn. For almost all step motors,
this number will be 200. So for a standard drive you would leave the "Motor steps
per revolution" at 200 and then say if your drives are set for 16 microsteps per full step,
you would set the "Microstep Multiplication Factor" to 16. This would result in 3200
microsteps per revolution.

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1 year 1 week ago #336767 by Ayden25
Replied by Ayden25 on topic 1000 pulse per rev limit?
Ah gotcha Dont know why it didnt cross my mind there may be a multiplication factor somwhere!

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1 year 1 week ago #336777 by PCW
Replied by PCW on topic 1000 pulse per rev limit?
Not obvious because some step drives list the microstep ratio:
2,4,5,8,16,32 etc but some list steps per revolution, 400,800,1000,1600 etc

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