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Speed & Feed Recommendations
1M, 3M, 5M, 14M, 15M, HARDNESS CUT SPEED m/min) 0.40 0.75 1.5 FEED (mm/flute)
16M, 17M, 59M BRINELL
Metric Type AlTiN TiCN TiN non 0.0008 0.0015 0.0031 3 6 10 12 20 25
225 0.0008 0.0015 0.0031
CARBON STEEL Slot 101 98 94 78 0.0018 0.0034 0.0070 0.007 0.019 0.040 0.048 0.064 0.070
1018, 1040, 1080, 10L50, 1525, 275 Profile 140 134 129 107 0.0005 0.0012 0.0022 0.007 0.019 0.040 0.048 0.064 0.070
1536 Light 209 201 193 161 0.0005 0.0012 0.0022 0.017 0.043 0.091 0.110 0.147 0.160
250 Slot 74 72 69 57 0.0013 0.0027 0.0053 0.006 0.014 0.029 0.036 0.048 0.052
ALLOY STEEL Profile 102 98 94 79 0.0005 0.0012 0.0022 0.006 0.014 0.029 0.036 0.048 0.052
4140, 4150, 4340, 200 Light 154 148 142 118 0.0005 0.0012 0.0022 0.012 0.034 0.069 0.082 0.109 0.120
5150, 8630 Slot 70 67 64 54 0.0013 0.0027 0.0053 0.006 0.014 0.029 0.036 0.048 0.052
Profile 96 92 88 74 0.0008 0.0015 0.0031 0.006 0.014 0.029 0.036 0.048 0.052
TOOL STEEL Light 144 138 133 111 0.0008 0.0015 0.0031 0.012 0.034 0.069 0.082 0.109 0.120
A2, D2, H13, L2, M2, Slot 74 72 69 57 0.0018 0.0034 0.0070 0.007 0.019 0.040 0.048 0.064 0.070
P20, S7, T15, W2 Profile 102 98 94 79 0.0005 0.0012 0.0022 0.007 0.019 0.040 0.048 0.064 0.070
Light 154 148 142 118 0.0005 0.0012 0.0022 0.017 0.043 0.091 0.110 0.147 0.160
CAST IRON Slot 82 79 76 63 0.0013 0.0027 0.0053 0.006 0.014 0.029 0.036 0.048 0.052
Gray, Malleable, Ductile Profile 113 109 105 87 0.0005 0.0010 0.0019 0.006 0.014 0.029 0.036 0.048 0.052
Light 170 163 157 131 0.0005 0.0010 0.0019 0.012 0.034 0.069 0.082 0.109 0.120
STAINLESS (free machining) 185 Slot 57 55 53 44 0.0010 0.0022 0.0041 0.004 0.012 0.024 0.029 0.037 0.042
303, 420F, 440F Profile 78 76 73 60 0.0005 0.0010 0.0019 0.004 0.012 0.024 0.029 0.037 0.042
Light 118 113 109 91 0.0005 0.0010 0.0019 0.010 0.026 0.056 0.067 0.088 0.097
STAINLESS (difficult) 185 Slot 40 38 37 30 0.0010 0.0022 0.0041 0.004 0.012 0.024 0.029 0.037 0.042
304, 316, 17-4PH Profile 55 52 50 42 0.0005 0.0007 0.0014 0.004 0.012 0.024 0.029 0.037 0.042
Light 82 79 76 63 0.0005 0.0007 0.0014 0.010 0.026 0.056 0.067 0.088 0.097
TITANIUM 350 Slot 14 14 13 11 0.0010 0.0017 0.0034 0.004 0.010 0.021 0.024 0.032 0.035
Ti5Al-5V-5Mo, Ti6Al4V Profile 20 19 18 15 0.0015 0.0032 0.0060 0.004 0.010 0.021 0.024 0.032 0.035
Light 30 28 27 23 0.0015 0.0032 0.0060 0.008 0.022 0.045 0.055 0.075 0.080
HIGH TEMPERATURE ALLOY 300 Slot – 195 – 195 0.0036 0.0071 0.0137 0.014 0.038 0.080 0.096 0.128 0.140
Incoloy, Inconel, Profile – 268 – 268 0.0008 0.0015 0.0031 0.014 0.038 0.080 0.096 0.128 0.140
Rene, Waspalloy Light – 402 – 402 0.0008 0.0015 0.0031 0.033 0.089 0.184 0.221 0.293 0.320
Slot – 107 – 107 0.0018 0.0034 0.0070 0.007 0.019 0.040 0.048 0.064 0.070
ALUMINUM 150 Profile – 148 – 148 0.0015 0.0032 0.0060 0.007 0.019 0.040 0.048 0.064 0.070
2017, 2024, 356, 6061, 7075 Light – 221 – 221 0.0015 0.0032 0.0060 0.017 0.043 0.091 0.110 0.147 0.160
Slot – 195 – 195 0.0036 0.0071 0.0137 0.014 0.038 0.080 0.096 0.128 0.140
COPPER ALLOY 140 Profile – 268 – 268 0.0015 0.0032 0.0060 0.014 0.038 0.080 0.096 0.128 0.140
Aluminum Bronze, C110, Muntz Light – 402 – 402 0.0015 0.0032 0.0060 0.033 0.089 0.184 0.221 0.293 0.320
Brass Slot – 146 – 146 0.0036 0.0071 0.0137 0.014 0.038 0.080 0.096 0.128 0.140
Profile – 201 – 201 0.014 0.038 0.080 0.096 0.128 0.140
PLASTIC Light – 302 – 302 0.033 0.089 0.184 0.221 0.293 0.320
Polycarbonate, PVC, Polypropylene
GRAPHITE
CUT TYPE rpm = (1000 x m/min) / (3.14 x D1)
mm/min = (mm/flute) x no. of flutes x rpm
SLOT PROFILE LIGHT* • maximum recommended depths shown
• reduce speed and feed for materials harder than listed
4 flute 3 flute 2 flute 4, 3 flute 2 flute 4, 3, 2 flute • limit cut depths of long flute, extra long flute, and straight flute to
ap = 0.4 x D1 ap = 0.5 x D1 ap = D1 ap = 1.5 x D1 ap = 1.5 x D1 ap = 1.5 x D1 0.05 x D1 Ad for Slot or Rw for Profile
ae = D1 ae = D1 ae = D1 ae = 0.25 x D1 ae = 0.5 x D1 ae = 0.05 x D1 * finish cuts typically require reduced feed and cutting depths of .02 x
D1 maximum
•
80 END MILLS
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