GEAR MEASUREMENT

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• Q1: What is a Gear?
  Ans: A gear is a mechanical component with teeth that is used to transmit motion and power between two rotating shafts.
• Q2: What is Gear Inspection?
  Ans: Gear inspection is the process of checking the accuracy, size, shape, and quality of a gear to ensure it meets required standards.
• Q3: What is Gear Measurement?
  Ans: Gear measurement is the process of measuring different parameters of a gear such as tooth thickness, pitch, and diameter.
• Q4: What is a Gear Testing Machine?
  Ans: A gear testing machine is a device used to check the accuracy, performance, and quality of gears.
• Q5: State the parts of a Gear Testing Machine.
  Ans: The parts of a gear testing machine are:

  • ➔ Base Frame
  • ➔ Spindle
  • ➔ Dial Indicator
  • ➔ Measuring Probe
  • ➔ Gear Holding Fixture
• Q6: How is a Gear Testing Machine used?
  Ans: A gear is mounted on the machine spindle.
  The measuring probe or dial indicator is set against the gear teeth.
  The gear is rotated slowly.
  Any variation or error is noted from the readings.
• Q7: What is Back Lash?
  Ans: Backlash is the small gap or clearance between the mating teeth of two gears.
• Q8: What is the standard amount of Back Lash?
  Ans: The standard amount of backlash depends on the size and type of gear, but it is usually a small fraction of the module to ensure smooth operation.
• Q9: State the method to find Back Lash.
  Ans: The method to find Backlash is:

  • ➔ Theoretical Working Depth Method
• Q10: What is Spur Gear?
  Ans: Spur gear is a type of gear with straight teeth that are parallel to the axis of rotation. It is used to transmit motion between parallel shafts.