Page 24 - machining_titanium_05_2019

MILLING TITANIUM Table 12 Calculating Chip Thickness In Face Milling

Hm, hmax
Cutter position
Example
1st method
AE
d
hm=fz×sin (AE/2)
ae
n
hmax=fz
Fig. 13
Case a)
2nd method
hmax
hm=fz 2×(√2/2+cos(AE-90°)/2)
vf
(=fz)
vf hmax=fz
d
Fig. 13 ae=d AE=180
Case b) n hm=hmax=fz

hm=hmax
(=fz)

vf d
AE
Fig. 13 ae
Case c)* hm=hmax=fz
hm=hmax
(=fz) n

fz

ae
AE
Fig. 13 hm=fz×cos (Ψ +AE/2)
Case d) e d hmax=fz×cosΨ
hm=hmax ψ
n

1st method
hm=fz×sin (AE/2)
Fig. 13 ae AE hmax=fz
Case e) e
d 2nd method
hmax hm=hmax=fz
(=fz) n

* Unfavorable milling conditions - this cutter position should be avoided whenever possible

22 ISCAR