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Doctors Medicines MCQs Q&A

  1. Helix or rake angle
  2. Point angle
  3. Chisel edge angle
  4. Lip clearance angle
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1 Answers

Answer: Option 1

The angle formed by the leading edge of the land with a plane having the axis of the drill, is called Helix or rake angle The rake angle is the angle of the surface of a cutting tool tip over which the removed chips flow. The rake angle is the angle between the front or cutting face of the tool and a line perpendicular to the workpiece

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