[TheForge] machining degree wedges

Sat Aug 10 17:34:00 2002

Tangent is the rise to run ratio, so that is what you would probably be =
most interested in.  Tan =3D sin/cos =3D=3D rise/run =3D=3D y/x

-----Original Message-----
From: Ralph Sproul [mailto:[email protected]]
Sent: Friday, August 09, 2002 11:55 AM
To: [email protected]
Subject: [TheForge] machining degree wedges

        On most of the die keys the taper of the key is 1,  1 1/2, or 2
degrees.  I was trying to figure out what the actual measure per inch is =
and
consulted a chart in the trigonometry book.  It looks like charts show a
proportionate ratio between parts of a triangle.......so is it the Sine =
or
the Tangent you are concerned with when setting up a wedge, ram, and
dovetail taper??
        I noticed the numbers are insugnificant(as far as a difference) =
in
the 1 & 2 degree chart, but which one is it when you get to larger =
angles?
Just wondering if anyone has any machinery layout experience in this.
        So is the bottom line  - a 1 degree angle should be .017 per =
inch,
and a 2 degree angle should be .035 per inch?..........is that what =
those
charts are saying?

Ralph

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