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Unread 15-02-2013, 15:39
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Re: PLEASE HELP! Lead Screw Ratios

Quote:
Originally Posted by NOV8R View Post
We've got a ACME 1/2 inch lead screw with a 1/4 inch lift per revolution hooked up to a mini CIM/ Banebot P-80 12:1 . In addition the output of the transmission is hooked to the lead screw via a 24 tooth to 12 tooth chain/sprocket drive. The whole gear reduction is 6:1. The setup works great and can lift 34 inches in just under 20 sec. We tried a 775 motor (AM 0915 gearbox) and it was way too slow and almost wouldn't lift at all.
We used 5/8 inch lead screw but it should still work. Whats the gear reduction of the gearbox did you use with the Bane Bots motor? Also i don't know if a mini-CIM with a 6:1 gear reduction will work if the Bane Bots motor with a large gear reduction didn't work. Then again, we didn't test the mini-CIMs for a lead screw, so I could be wrong.