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13-02-2020 #1
Hi,
I want to ask folk advice about upgrading a T5 belt drive CnC to ballscrew. I built the machine to carve foam several years ago, which it has done wonderfully for 6 years now. however it does tend to wander under load, (belt stretch backlash etc) and I thought it might be better to upgrade to ballscrew as I have a lots of foam milling coming up and the machine needs to be reliable.
I'd be changing out the Y and X axis. Z already has RM1650 balls crew. I currently have 3 x Nema 24 motors mounted on the gantry for the Y and X. The table is half size at as I remember 1200mm x 1200mm I was wondering about using RM2010-C7 at 1200-1400mm, something chunky anyway?
Am I right in thinking the twin Y motors would be mounted at the end of the rails and the nut bracket on the gantry each side similarly for the X axis. Is it common to have a gear ratio or just run as a 1:1 as I currently have with my belt drive?
I kind of need to get on with this. First to price it and then to find the fasted method to change over the system and recalibrate everything. Perhaps a UK supplier of parts would be good.
Any advice welcome as always.
Last edited by marbles; 13-02-2020 at 09:20 PM.
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