View Poll Results: Do you belt drive or direct coupling?
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- 14. You may not vote on this poll
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Belt drive
8 57.14% -
Direct coupling
6 42.86%
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I see a lot of you are belt driving your ballscrews so you can get more speed or torque out of the screws (Seems mostly speed). I've gone with direct couplings simply because it seemed slightly easier for my first router although I now realise due to way I made the nema mounts I could convert to belt drive with a couple of pulleys at least my Y axis the X not so easy would need to remake one of the gantry mounts. my Z axis would need completely rebuilding with new aluminium to enable belt drive but I think the Z axis will also gain the least from being belt driven and speed and torque shouldn't be an issue.
As far as I can tell
Direct coupling is more accurate
Belt drive is quicker
Belt drive can give more torque (Although then it will be slower than direct drive) I guess potentially accuracy as well but the possiblity of a slipping belt might offset this.
I have 1605 ballscrews is it even worth belt driving them? Due to screw whip.
Which way do you drive your cnc? And why?Last edited by Desertboy; 28-08-2017 at 10:40 AM.
http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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