Gears manufacturing methods

Gears are mechanical components used to  transmit power and motion through the  successive engagement of their  peripheral feed gears perform certain  key functions within machines and  assemblies such as reversing the  direction of rotation or altering the  angular orientation of rotary
motion.

Gears are also used to convert rotary  motion into linear motion and vice versa  or to alter gear speed ratios the  methods of machining gears can be  classified into two primary categories  gear generating and gear form cutting  many of the processes used to machine  gears may also be used to finish gears  gear generating involves gear cutting  through the relative motion between a  rotating cutting tool
and the generating  motion or rotation of the workpiece the .

 Primary gear generating processes  include hobbing and shaping in hobbing  gear teeth are progressively generated  by a series of cuts using a helical  fluted cutting tool called a hob both  the hob and the gear blank rotate as the  hob is fed axially across the face of..

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