Progress continues on the 55' electric motor conversion.
Next question: When laser cutting my 1/2" stainless steel plate for the motor mount (or other parts), what hole tolerance should I consider?
I get different answers when I look online: Clearance Hole Chart (amesweb.info)
suggests that for a 1/2" bolt a 'close' fit I should be between .531 and .538, and 'loose' fit .609 and .625 with 'normal' fit in between.
But other sites are more prescriptive, telling me that I should use .5156 for a tight fit and .5312 for a loose fit. (basically 1/64" clearance for tight, and 1/32" clearance for loose. Clearance Hole Size for Bolts and Screws (Imperial) - The Engineer's Bible (engineersbible.com)
And, I've heard people say just always add 1/16" to nearly every size bolt hole.
Given SendCutSend and everyone else seems to have a tolerance of +/- .005", I'm struggling to understand what kind of fit I should go for. I'd hate to have a motor plate whose 4 support holes were just far enough off to not be able to mount the motor... :-O
Hoping there are a few folks who've been through this before!
:-)
Steve
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