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Micro gear rack
Due to the straight tooth profile of the micro gear rack (1), each point on the tooth profile has the same pressure angle, which is equal to the incli
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The main characteristics of micro gears and racks are:
(1) Due to the straight tooth profile of the rack, each point on the tooth profile has the same pressure angle, which is equal to the inclination angle of the tooth profile. This angle is called the tooth profile angle, and the standard value is 20 °.
(2) WithtoothAny straight line parallel to the top line has the same tooth pitch and modulus.
(3) The straight line parallel to the tooth crest line and with a tooth thickness equal to the tooth groove width is called the dividing line (centerline), which is the reference line for calculating the size of the rack.
(1) Due to the straight tooth profile of the rack, each point on the tooth profile has the same pressure angle, which is equal to the inclination angle of the tooth profile. This angle is called the tooth profile angle, and the standard value is 20 °.
(2) WithtoothAny straight line parallel to the top line has the same tooth pitch and modulus.
(3) The straight line parallel to the tooth crest line and with a tooth thickness equal to the tooth groove width is called the dividing line (centerline), which is the reference line for calculating the size of the rack.
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