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Manufacturing Engineering
Machining Processes
GATE 2009
Easy

Friction at the tool-chip interface can be reduced by

  • Adecreasing the rake angle
  • Bincreasing the depth of cut
  • Cdecreasing the cutting speed
  • increasing the cutting speed

Explanation

Increasing the cutting speed raises the tool-chip interface temperature, which reduces the effective coefficient of friction at that interface (less built-up-edge tendency, altered contact conditions).

Source: GATE ME 2009 (2009)

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