The carbide tools operating at very low cutting speeds (below 30 m/min)

  • AReduces tool life
  • BIncreases tool life
  • CHave no effect on tool life
  • DSpoils the work piece
Correct Answer : (A)

Reduces tool life

Hints :

High speed steel tools retain their hardness up to a temperature of


For machining a mild steel work piece using carbide tool, the maximum material will be removed at a temperature of

Join The Discussion