Z AXIS MOTOR CATCHING FOR NO REASON...

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Z AXIS MOTOR CATCHING FOR NO REASON...

Postby WEASEL333 » Sun Sep 16, 2018 7:26 am

I have been carving a lot of Plywood lately, and just ran across this problem. I know it's not the file, because it worked correctly many times before, even after I replaced it had the same problem with no file loaded and just jogging the machine. I move the z axis downward, and you can feel it catch slightly in multiple spots. Same thing happens when jogging it with carbide motion, and when carving it does not go to the required depth. Motor on Z axis belt is a step200l. This is a fairly new machine, did I just get a bad motor? Please help, and thanks.
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Re: Z AXIS MOTOR CATCHING FOR NO REASON...

Postby WillAdams » Sun Sep 16, 2018 1:48 pm

The motors almost never go bad. Possible causes:

- loose pulley set screw: http://docs.carbide3d.com/shapeoko-faq/ ... et-screws/
- V wheels / eccentric nuts: http://docs.carbide3d.com/support/tensioning-eccentrics
- Belt tension --- the Z-axis should be guitar string tight (but careful not to bend the motor shaft): http://docs.carbide3d.com/assembly/shap ... 5-belting/ on deep cuts it may help to remove one spring from the Z-axis temporarily.

Also check the wiring and inspect the belt per: http://docs.carbide3d.com/general-faq/m ... checklist/ and see https://www.shapeoko.com/wiki/index.php ... ction_Test

If none of the above checks out, or you need a replacement part, contact support@carbide3d.com
Shapeoko 3XL #0006 w/Makita RT0701 Router w/0.125″ and ¼″ Elaire precision collets
Nomad 883 Pro #596 (bamboo)
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