Re: General:shaving


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Posted by DanO on March 12, 2002 at 10:25:08:

In Reply to: genaral posted by Jay sharp on March 09, 2002 at 00:51:03:

Gear shaving amounts to taking thin slivers of
material from the flank of a gear to make it's
profile more optimal for running with it's mate.
This is accomplished through a shaving tool in
a shaving machine. The tool is a hardened gear
with serrated teeth that runs in mesh with the
gear at a crossed axis of approximately 12 degrees.
The combination of rolling and sliding of the
tool in mesh with the gear allows controlled
stock removal in little slivers about .05mm wide
from the gear. After running in mesh with the
gear for a short time any imperfections of the
gear profile and lead are removed and a desired
shape is imparted, often thinned at the extremities
to allow quiet and smooth power transmission between
the gear members in a gearset. The tools cost
between $1-2000 and are resharpened several times
before the cutter is thrown away. Companies who
make the cutters include Nachi, formerly National
Broach and Machine, Micromatic TEXTRON, formerly
Michigan Tool and Ex-Cell-O, and SU America, an
Italian company in the United States.



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