Broaching is a fancy word for a Keyway. as in the end of a shaft.
Leo
-----Original Message-----
From: Bob Howard <mgbob@juno.com>
To: toad@storm.ca <toad@storm.ca>
Cc: eaz@snet.net <eaz@snet.net>; mgs@autox.team.net <mgs@autox.team.net>
Date: Tuesday, January 19, 1999 12:48 PM
Subject: Re: Eureka!
> The New Encyclopedia of Machine Shop Practice, ed. by George W.
>Barnwell, starts a chapter with
> "Broaching, reduced to its simplest terms, is a method of altering the
>size or finish of holes in metallic parts by pulling or pushing thrugh
>them a tapered tool with a number of cutting teeth. These teeth become
>sucesssively larger as they progress toward one end of the tool, whic is
>termed a broach. The alteration of the holes may take the form of their
>enlargement, as when a round hole is increased in size by cutting away
>with the broach teeth a specific quantity of metal, or it may take the
>form of burnishing. "
> In another paragraph, "broaching is also employed for making splines".
>Bob
>
>On Mon, 18 Jan 1999 20:16:57 -0500 toad <toad@storm.ca> writes:
>>Eric Zambori wrote:
>>>
>>> Is a Broach the British term for a Knurling tool?
>>>
>>> Eric
>>>
>>> Susan and John Roper wrote:
>>> >
>>> > What Neil and others are referring to are bronze guide liners
>>installed
>>> > by reaming followed be a broach for sizing. Common fix for worn
>>guides
>>> > to avoid replacement. John
>>> >
>>> > RJohn50603@aol.com wrote:
>>> >
>>> > > Neil,
>>> > >
>>> > > What copper sleeves are you speaking of?
>>> > >
>>> > > R. Johnson - Dallas
>>
>>I may not be correct but in the machine shop where I served my
>>apprenticeship a broach was a machine that cut keyways (internal) by
>>drawing the cutter horizontally through the bore.
>>
>>Toad
>>
>
>
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