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FUNCTION OF TOOL FEATURES FOR FACE MILLING

Negative Rake Angle	Neutral Rake Angle	Positive Rake Angle
Insert shape whose cutting edge precedes is a positive rake angle. Insert shape whose cutting edge follows is a negative rake angle.

Standard Cutting Edge Combinations		Double Positive (DP Edge Type)	Double Negative (DN Edge Type)	Negative/Positive (NP Edge Type)
Axial Rake Angle (A.R.)		Positive(+)	Negative(-)	Positive(+)
Radial Rake Angel (R.R.)		Positive(+)	Negative(-)	Negative(-)
Insert Used		Positive Insert (One Sided Use)	Negative Insert (Double Sided Use)	Positive Insert (One Sided Use)
Workpiece	Steel		—
	Cast Iron	—
	Aluminium Alloy		—	—
	Difficult-to-Cut Material		—

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