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Wednesday, 30 July 2014

Drilling Machine - Fill in the blanks

Drilling Machine - Fill in the blanks Points : Drilling Machine, Drill Press Fill in the blanks, Drilling Machine Objective Question Answers
  1. As the drill size increases, both the size of the web and the width of the chisel edge Decrease.
  2. Formula of calculating RPM is CSx4/D.
  3. The spindle Holds the drill or cutting tools and revolves in a fixed position in a sleeve.
  4. The Motion of most drill presses is circular and built rugged and solid.
  5. There are Two common types of twit drills.
  6. Angle of drill bit is 1118 Degree.
  7. The angle between the flute and the axis the drill parallel of the drill that forms the cutting edge is known as the Rake angle.
  8. The V-block and clamp set is usually used to Hold and Drill round stock.
  9. Drill jigs are devices designed for Holding drilling jobs.
  10. Always use Vise to hold work pieces while machining.

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