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Including a rational and easily understood method of setting up Gears without the use of Tables, and some Notes on Chasing, Cutting Worms, etc. Written by G. Gentry, and first published in 1937, it has been reprinted in 1994.

Sections include:

• Pitch of Screw Thread
• multiple threaded screw
• wheel trains
• direction of rotation of lead screw
• sets of wheels usually used
• calculating wheel trains for cutting threads
• cutting in
• sequences
• cutting metric threads on metric and imperial lathes
• thread forms
• angle of rake of a thread
• grinding and setting up tools
• internal screw cutting
• cutting square threads
• depth of cut
• chasing
• and much more

Code No. 005871, ISBN 1857610466, $16.01

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