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Doctors Medicines MCQs Q&A

  1. Turning
  2. Drilling
  3. Reaming
  4. Tapping
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1 Answers

Option 1 : Turning

Explanation:

Jigs and fixtures are production tools used to accurately manufacture duplicate and interchangeable parts. Jigs and fixtures are specially designed so that large numbers of components can be machined or assembled identically, and to ensure interchangeability of components.

Jigs

  • A jig is a special device that holds, supports locates, and also guides the cutting tool during operation
  • Jigs are designed to accommodate one or more components at a time
  • Jigs are available for drilling, boring, reaming etc.

 

Fixtures

  • A fixture is a production tool that locates and holds the work-piece.
  • It does not guide the cutting tools, but the tools can be positioned before cutting with the help of setting blocks and feeler gauges, etc
  • Fixtures of different types are made for milling, turning, grinding, welding, bending, etc
  • Fixtures are used for medium and heavier sized workpieces because fixtures are fixed to the machine table.
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