80.0VR00-_R-20 Technical Information

D

2

D

w

Working Diameter:

Formula to evaluate the correct working diameter

based on axial depth of cut (ap).

aD = D+ 2 x r2 - (r -a )2
pw2p

where: D = Working Diameter w D2 = Diameter of cutter insert centre to centre r = Insert radius a = Axial Depth of Cut p

80.0VR00-_R-20 Technical Information

where: = Radial Depth of Cut f = Feed per tooth a z e

h = Average chip thickness a = Axial Depth of Cut

m p r = Insert radius

Formula to find programmed feed rate based on radial engagement and

axial depth of cut. h m f = z

r 2 - r - a( )2 r 2 - r - a( )2

e p x r r

Formula to calculate the average chip thickness hm in relation with radial

engagement and depth of cut.

r 2 - r - a( )2 r 2 - r - a( )2

e p

h= fxx
mzrr