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Author Topic: need help with calculating the mechanical drive  (Read 2309 times)

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need help with calculating the mechanical drive
« on: March 27, 2011, 05:49:21 PM »
I am working on my rebuilt cnc mill, how can i calculate the setting for motor tuning.

the stepper motor has a gear 18:30 I don't know the thread of the spindle on the X axis.
We did some test runs and came on a figure of 1375 for 75mm I can't explane this outcome I missing 0.10mm with this out come

Is there anyone how can help me to get things done????

Gr. Jord  ??? ??? ???

Offline Hood

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Re: need help with calculating the mechanical drive
« Reply #1 on: March 27, 2011, 05:53:19 PM »
You could use the SetSteps per Unit button on the settings page (just above the reset button). Personally I prefer calculating the numbers but as long as your measurements are accurate when using the Set Steps per Unit button then you should be close.
Hood
Re: need help with calculating the mechanical drive
« Reply #2 on: March 27, 2011, 05:56:21 PM »
one moment i am looking for it.
thank for your quick response

gr. jord
Re: need help with calculating the mechanical drive
« Reply #3 on: March 27, 2011, 06:17:13 PM »
one moment i am looking for it.
thank for your quick response

gr. jord

Offline Hood

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Re: need help with calculating the mechanical drive
« Reply #4 on: March 27, 2011, 06:21:28 PM »
See the scrrenshot below for the buttons location.
Hood
Re: need help with calculating the mechanical drive
« Reply #5 on: March 27, 2011, 07:10:10 PM »
thanks this will work I think, I will let you know if it's ready.
Going to bed it's 01:20 in the morning.
see you soon.

jord