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  #91  
Old Mon 04 April 2011, 05:46
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Quote:
Originally Posted by David Bryant View Post
Hi
Just redid calcs and set the new numbers into Mach3 put it all back together, still out by 1-2mm in 1000. ???

Did many of you guys get the exact number or does everyone set up by adjusting afterwards?

Cheers
David
Have got 5 tables running with 3 different motor/gearbox combinations and 2 different rack suppliers/pitches. ALL of them were set to the calc and needed no tweaking afterwards.
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  #92  
Old Mon 04 April 2011, 16:50
David Bryant
Just call me: David #99
 
Western Australia
Australia
Thanks Gerald That is what I expected. I will keep looking.
Cheers
David
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  #93  
Old Sun 20 October 2013, 04:23
sensei
Just call me: lubo
 
varna
Bulgaria
Please somebody give me an advice. If my Motors 86HS9802 is
200 steps * 10 microstep = 2000
2000 * 3 times belt reduction = 6000 steps per rev
travel per rev = 3.14159265 (tooth distance = Pi) * 30 tooth = 94.2477796

steps per mm = 6000 / 94.2477796 = 63.6619662
what "Move speed mm per minute" and what "Min freq. kHz" is ok to use thank you
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  #94  
Old Sun 20 October 2013, 13:05
danilom
Just call me: Danilo #64
 
Novi Sad
Serbia
These are same as mine, I use Velocity = 18000 , acceleration = 600, this works with 25khz kernel speed.
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  #95  
Old Thu 24 October 2013, 09:45
sensei
Just call me: lubo
 
varna
Bulgaria
thanks Danilo ... did you cut at that speed and what materials
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  #96  
Old Thu 24 October 2013, 13:34
danilom
Just call me: Danilo #64
 
Novi Sad
Serbia
Those are rapid move G0 feedrates. For cutting I rarely use over 4000mm/min
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  #97  
Old Thu 03 May 2018, 06:43
IamDave
Just call me: Davey
 
Ball Ground, GA
United States of America
Was this whole conversation, a discussion on what Mach 3 does automatically for you when you tune the motors?
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