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Fundamental law of gearing


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Fundamental law of gearing

  1. 1. Fundamental Law of Gearing
  2. 2. External Gears
  3. 3. Internal Gears
  4. 4. Rack
  5. 5. Nomencletures
  6. 6. Fundamental Law of GearingFor a pair of gear to transmit constant angularvelocity ratio, the tooth profiles of thesemating gears must be designed in such a waythat the common normal (line n-n) or the lineof action passes through a fixed point P, oralso known as the pitch point, on the line ofcenters.
  7. 7. Fundamental Law of Gearing
  8. 8. Fundamental Law of Gearing
  9. 9. Involute Tooth Profile