Sujet : Re: Broaching , a question
De : muratlanne (at) *nospam* gmail.com (Jim Wilkins)
Groupes : rec.crafts.metalworkingDate : 26. Mar 2024, 18:23:42
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <utv0bs$1um5q$1@dont-email.me>
References : 1
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"Snag" wrote in message
news:ututu3$1u2oj$1@dont-email.me... I'm getting ready to broach my first keyway with an actual broach .
My question is about the shims , and how thick they need to be .
Measuring the difference between the first and last tooth on the broach
I get .062" and I'm wondering if that is the correct thickness for the
shims .
Snag
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My 3/16" keyway broach came with an 0.050" shim. For the others I shear strips of scrap sheetmetal and add one between passes until the key fits. My guide bushings are all shop-made to eyeballed depth.
Thinner shims leave less unsupported broach, but if the shim is too thin to hold the bend the broach may pull it through.
Broaching , a question
Re: Broaching , a question