Centroid Community CNC Support Forum • New Build LMS 3990 Hi Torque Mini Mill - Page 8

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Re: New Build LMS 3990 Hi Torque Mini Mill

Posted: Mon Jun 24, 2024 5:02 pm

by cdiseker

tblough wrote: ↑Mon Jun 24, 2024 4:38 pm Adjusting the turns ratio cannot correct for poor mechanicals. Loose belts, poorly meshing gears/racks, slipping couplings, sloppy gibs, loose bearings, loose ways or guide rails, or sloppy gear reducers will all affect repeatability.

This machine does not have many hours on it. I was wondering if the ball nuts needed adjusting. I'll re-do my gibs now and double check the numbers.

Re: New Build LMS 3990 Hi Torque Mini Mill

Posted: Mon Jun 24, 2024 5:35 pm

by tblough

If the turns ratio was set correctly when new, and cannot be adjusted now, then it is definitely something mechanical.