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Hello, building you awesome cnc machine. Trying to follow your directions and parts list step by step. one question, I know you hate us sometimes, by I got a great deal on aluminum stock that's 3/8 " thick . Can I use that thickness for the 5 stepper motor mount plates and 4 gantry mount plates that are 1/4 " thick to save on material and can I modify other parts if needed , if not I understand , Thanks, Chuck.
Yeah you can do that. I am using 3/8 6061 as well. The motors need about 1/8" deep circle cut out so the faces fit flush against the mount. The shafts are long enough to work with the extra width if you don't do that. It is usually better to have a flush mount though, reduces stress on the motor when it is mounted by dispersing the bolt tension forces across the whole plate rather than concentrated on the center area. This also smooths out vibration.
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