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Fundamental law of gearing
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Fundamental law of gearing

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  • 1. Fundamental Law of Gearing
  • 2. External Gears
  • 3. Internal Gears
  • 4. Rack
  • 5. Nomencletures
  • 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. Fundamental Law of Gearing
  • 8. Fundamental Law of Gearing
  • 9. Involute Tooth Profile