Page 808 - Tungaloy Catalog

Standard Cutting Conditions

● Shoulder milling / Slot milling

Shoulder milling Slot milling
Brinell
Work materials hardness Cutting Speed Tool Feed rate Cutting Speed Tool Feed rate
(HB) Vc (SFM) diameter fz (ipt) Vc (SFM) diameter fz (ipt)
øD (in)
øD (in)

Low carbon
steels ~ 200 560 ~ 630 560 ~ 630
.250" 0.001 ~ 0.003 .250" 0.001 ~ 0.002
High carbon .312" 0.001 ~ 0.004 .312" 0.001 ~ 0.003
steels 200 ~ 300 460 ~ 500 460 ~ 500
Alloy steels .375" 0.001 ~ 0.004 .375" 0.002 ~ 0.004
.500" 0.002 ~ 0.004 .500" 0.002 ~ 0.004
Prehardened 30 ~ 40 360 ~ 430 .625" 0.002 ~ 0.005 360 ~ 430 .625" 0.002 ~ 0.005
steel HRC .750" 0.002 ~ 0.007 .750" 0.002 ~ 0.006

Stainless steels - 260 ~ 530 260 ~ 530
304,316 ap = 0.6 x øD
ae = 0.25 x øD ap = 0.5 x øD
Grey cast irons ae = 1 x øD
150 ~ 250 430 ~ 600 ap 430 ~ 600 ae
Ductile cast irons
ap
Aluminum alloys - 2300 ~2700 2300 ~ 2700
Si < 13%)

High hardened ae
55HRC 100 ~ 130 100 ~ 130
steels
øD = Tool Diameter øD = Tool Diameter
High temp alloys 150 ~ 225 60 ~ 125 60 ~ 125

● Copy milling
Copy milling (for roughing) Copy milling 10
Brinell (for semi-finishing and finishing)
Work materials hardness Cutting Speed Tool Feed rate Cutting Speed Tool Feed rate
(HB) Vc (SFM) diameter fz (ipt) Vc (SFM) diameter fz (ipt)
øD (in)
øD (in)
Low carbon ~ 200 560 ~ 630 560 ~ 630 Endmills
steels
High carbon .250" 0.001 ~ 0.003 .250" 0.001 ~ 0.003
steels 200 ~ 300 460 ~ 500 .312" 0.001 ~ 0.004 460 ~ 500 .312" 0.001 ~ 0.004
Alloy steels
.375" 0.001 ~ 0.004 .375" 0.002 ~ 0.004
Prehardened 30 ~ 40 .500" 0.002 ~ 0.004 .500" 0.002 ~ 0.004
steel HRC 360 ~ 430 .625" 0.002 ~ 0.005 360 ~ 430 .625" 0.002 ~ 0.005
.750" 0.002 ~ 0.007 .750" 0.002 ~ 0.007
Stainless steels - 260 ~ 530 260 ~ 530
304,316

ap = 0.3 x øD ap = 0.1 x øD
Grey cast irons ae = 0.4 x øD ae = 0.1 x øD
150 ~ 250 430 ~ 600 ae 430 ~ 600 ae
Ductile cast irons
ap ap
Aluminum alloys - 2300 ~2700 2300 ~2700
Si < 13%)
High hardened
55HRC 100 ~ 130 100 ~ 130
steels
øD = Tool Diameter øD = Tool Diameter
High temp alloys 150 ~ 225 60 ~ 125 60 ~ 125

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