Thread: Hex Broaching?
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Unread 08-10-2012, 16:38
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Re: Hex Broaching?
Start it on a lathe if you can. If you can't, just constantly take 5 or so steps back and check how straight it looks from a distance (from multiple view points as well), and adjust as necessary.

Also, don't stack multiple parts and broach them together. It may work sometimes, but we had a bad experience when a machinist in the NASA trailer at CMP tried it. They broached all 4 gears at the same time, they ended up crooked, and we had to have them weld it shut and try again.