Ok I seem to have hit more complications. I have been trying to work out the step per unit to enter into mach 1. I am running the motors on 1/8 on a 1.8 degree stepper, therefore I need 1600 steps per rotation correct? The mill has 20tpi leadscrews so in that case I need 3200 steps per inch, right? But at this the mill is moving far less than the DRO indicates on screen. By accident I entered 32000 spi and the machine seems to be moving in coordination with the DRO. Can anyone see where I might be going wrong? Thanks.
motor tuning on a taig
Oct 31, 2004
2 Replies
Wrong, you dropped a zero.
1600 spr x 20 tpi is 32000 spi.I have no idea where or how you went wrong (with you calculations).
Tim
Ah yes I see :) I thought it was 1600steps per inch on a 10tpi, eve
though I knew the bed doesnt travel an inch in two rotations. So that how I came out at 3200. Thanks :
-- milg
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