FLANK CLEARANCE ANGLE-γ

γ =tg -1 [tgα x tg δ]

  • =10 º for external
  • =15 º for internal

TROUBLESHOOTING

PROBLEMCAUSESOLUTION
PLASTIC DEFORMATIONWRONG CARBIDE GRADE INSUFFICIENT COOLANT CUTTING SPEED TOO HIGH CUTTING RESISTANCE HIGHCHANGE GRADE CHECK COOLANT FLOW DECREASE CUTTING SPEED INCREASE THE NUMBER OF PASSES
FRACTURE AND CHIPPINGUNSTABLE CONDITIONS CUTTING SPEED TOO HIGH DEPTH OF CUT LARGE POOR CHIP CONTROL WRONG CARBIDE GRADE INCORRECT CENTER HIGH WRONG ANVILCHECK TOOL AND WORKPIECE CLAMPING AND STABILITY DECREASE CUTTING SPEED INCREASE THE NUMBER OF PASSES CHANGE TO FLANK FEED CHANGE GRADE CHECK CENTER HIGH CHECK HELIX ANGLE
BUILT UP EDGEINCORRECT CUTTING SPEED WRONG CARBIDE GRADE INSUFFICIENT COOLANTINCREASE CUTTING SPEED CHANGE GRADE INCREASE COOLANT FLOW
VIBRATIONSCUTTING SPEED TOO HIGH INCORRECT TOOL AND WORKPIECE INSTALLATION LARGE DEPTH OF CUTCHANGE CUTTING SPEED CHECK CENTER HIGH AND CLAMPING INCREASE NUMBER OF PASSES
ASYMMETRIC WEAR OF THREAD FLANKSINCORRECT ANVILCALCULATE HELIX ANGLE AND SELECT AN APPROPRIATE ANVIL