Общий каталог ZCC-CT 2019 - страница 931

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A Indexable milling

Function of angles when face milling

Axial rake angle

r

f Approach angle K r

R λs

Rake angle Inclination angle of cutting edge

B r

Radial rake angle p

Main angles

AngleFeatureEffet
Axial rake anglerfInfluences chip directionNegative angle, good chip removal
Radial rake anglerpInfluences cutting edge sharpnessPositive angle,good cuttingperformance
Approach angleKrInfluences chip thicknessKr�, chip thickness�, Kr�, chip thickness�;
Rake angleRInfluences cutting forcePoor cutting performance, stable cutting edge�����������Good cutting performance, unstable cutting edge
Inclination angleλsInfluences chip flow directionPoor cutting performance, stable cutting edge�����������Good cutting performance, unstable cutting edge

C

Combination of different rake angles

íDouble positiveDouble negativePositive/Negative
Negative rake
anglerrr
Df (+)f (-)f (+)

0o

Neutral angle

rrr
p (+)p (-)p (-)
Positive angle
E
Axial rake angle r+−+
f
Radial rake angle r+−−
p
P√√
M√√
Application field K√√
N√
S√√