Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: MIDDEN1 on December 09, 2012, 02:13:31 PM

Title: metric ball screw
Post by: MIDDEN1 on December 09, 2012, 02:13:31 PM

running mach3 with gecko g540 drive 200 step steppers

just bought new machine with 5mm pitch ball screws they gave me thier xml file for mach3, native units is inch, motor tunning steps per is set at 2032
does not seem correct to my calculation 200*10/.19685 =10160.020
what one is correct 

Title: Re: metric ball screw
Post by: BR549 on December 09, 2012, 02:31:46 PM

Does the machine move correctly with their XML?

(;-) TP

Title: Re: metric ball screw
Post by: MIDDEN1 on December 09, 2012, 02:51:49 PM

not up and running yet

Title: Re: metric ball screw
Post by: Hood on December 09, 2012, 03:02:08 PM

Neither but you are closer ;)
It should be 10160 exactly.
Hood

Title: Re: metric ball screw
Post by: MIDDEN1 on December 09, 2012, 04:46:38 PM

thankyou
very much for reply i will go with that

Title: Re: metric ball screw
Post by: Atlas56 on December 10, 2012, 08:33:42 PM

Your mistake was using .19685 instead of 0.19685039370078700000000000000000000000.