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Unread 16-01-2017, 14:58
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protoserge protoserge is offline
CAD, machining, circuits, fun!
AKA: Some call me... Tim?
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Join Date: Jan 2012
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Re: Machining precision required to make custom gearboxes

Quote:
Originally Posted by s-neff View Post


Consider milling undersize and finishing with a 1.1250" reamer - biting the bullet and getting a reamer has allowed 841 to use our not-super-rigid benchtop tools to rough out bearing holes at the right location (on say a WCD rail or mechanism arm) quickly and a little undersized, and then finish the holes to a really nice bearing fit.
That is how I have done this in the past to deal with our Taig cnc. I grabbed a 1.124 reamer off eBay that I'd like to try.

I would venture to think that there is backlash in the router that can be corrected with software (LinuxCNC/Mach/etc.), but I haven't seen their setup.
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