Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: jord on March 27, 2011, 05:49:21 PM

Title: need help with calculating the mechanical drive
Post by: jord 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  ??? ??? ???

Title: Re: need help with calculating the mechanical drive
Post by: Hood 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

Title: Re: need help with calculating the mechanical drive
Post by: jord on March 27, 2011, 05:56:21 PM

one moment i am looking for it.
thank for your quick response

gr. jord

Title: Re: need help with calculating the mechanical drive
Post by: jord on March 27, 2011, 06:17:13 PM

one moment i am looking for it.
thank for your quick response

gr. jord

Title: Re: need help with calculating the mechanical drive
Post by: Hood on March 27, 2011, 06:21:28 PM

See the scrrenshot below for the buttons location.
Hood

Title: Re: need help with calculating the mechanical drive
Post by: jord 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