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The Seminar will cover basic involute gear theory; terms and definitions for spur and helical gears. This will include introduction to the involute form and its construction/tables and calculations; practical work on the measurement of gears including calculations regarding chordal tooth settings for gear tooth Vernier; constant chord settings to gear tooth Vernier; base tangent micrometer settings; distance over rollers measurement and basic principles of gear hobbing and shaping. The seminar will cover a selection of index and feed change gears and the practical work will include setting up and producing spur & helical gears by hobbing and shaping using a Maxicut 2A shaping machine and Sykes H150 hobbing machine.

Renold Gears
Station Road
OL16 3LS