Milling
Cutting Parameter Recommendation Table
Materials
AP251U
AC301P
AP351U
AP351M
PVD
CVD
PVD
PVD
P15-P35 M15-M35
P25-40
P30-P45 M25-M35 S25-S35
P20-P40 M20-M40
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Material classification
ISO
— — —
S20-S40
— —
1/10 1/5 1/1 1/10 1/5 1/1 1/10 1/5 1/1 1/10 1/5 1/1
C ≤ 0.25%
Annealed 125 428 320 280 240 380 300 260 280 240 200 0.25 ＜ C ≤ 0.55% Annealed 190 639 290 240 200 350 250 220 250 210 170 0.25 ＜ C ≤ 0.55% Heat-treated 210 708 260 210 170 310 220 190 230 180 140 C ＞ 0.55% Annealed 190 639 290 240 200 350 250 220 250 210 170 C ＞ 0.55% Heat-treated 300 1013 210 170 130 250 170 150 160 130 100 Free cutting steel (short-chip) Annealed 220 745 250 200 160 300 210 180 220 170 130
Unalloyed steel
Annealed
175 591 290 250 200 340 300 250 270 230 180 285 960 250 210 160 290 250 200 230 190 140 380 1282 230 190 140 250 210 160 210 170 120 430 1477 190 150 110 210 170 130 170 130 90 200 675 220 190 160 240 210 180 200 170 140 300 1013 170 140 110 190 160 130 150 130 90 400 1361 150 120 90 160 130 100 130 100 70
Heat-treated Heat-treated Heat-treated
Low-alloyed steel
P
Annealed
High-alloyed steel and high-alloyed tool steel
Hardened and tempered Hardened and tempered
Ferritic/martensitic, annealed Martensitic, heat-treated Austenitic, quench hardened
200 675 190 160 130 200 170 140 160 140 110 180 150 120 330 1114 160 120 90 170 140 110 140 110 80 150 120 90
Stainless steel
200 675 180 150 120 300 1013 160 130 100 230 778 170 140 110
170 140 110 170 150 120 150 120 90 150 130 100 160 130 100 160 140 110
M
Stainless steel
Austenitic, precipitation hardened (PH)
Austenitic/ferritic, duplex
Ferritic Pearlitic
200 400 260 700 180 200 245 350 155 400 265 700 230 400
Malleable cast iron
Low tensile strength
Grey cast iron
K
High tensile strength/austenitic
Ferritic Pearlitic
Nodular cast iron
GGV(CGI)
Non-aging
30
-
Wrought aluminium alloys
Aged
100 340 75 260 90 310 130 450 70 250 100 340 90 310 110 380 300 1010 200 680 280 940 250 840 350 1180 320 1080 200 680 375 1260 410 1400 300 1010 300 1010
≤ 12% Si, non-aging ≤ 12% Si, aged ＞ 12% Si, non-aging
Cast aluminium alloys
N
Magnesium alloys
Unalloyed, electrolytic copper Brass, bronze, red brass Cu alloys, short-chipping High-tensile, Ampco alloy
Copper and copper alloys
Annealed Hardened Annealed Hardened
90 80 70 100 90 80 75 60 50 80 70 60 80 55 45 70 60 50 60 50 35 60 50 40 60 55 40 65 55 45 110 90 80 120 100 90 50 40 30 55 45 35 50 40 30 55 45 35 65 60 50 70 65 55 65 60 50 70 65 55
Fe-based
Heat-resistant alloys
Ni or Co based
Cast
S
Pure titanium
Titanium alloys
α and β alloys, hardened
β alloys
Tungsten alloys
Molybdenum alloys
Hardened and tempered Hardened and tempered Hardened and tempered Hardened and tempered
50HRC 55HRC 60HRC 50HRC
Hardened steel
H
Chilled cast iron
*The recommended cutting conditions always refer to general conditions. These cutting conditions should be adjusted according to the practical machine rigidity, tools, workpiece clamping and coolant. Average chip thickness (hm)=fz x sinkr.
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