258 866-888-9600 gorillamill.com SPEEDS & FEEDS SUPER BITCHIN’ PERFORMANCE – FERROUS HIGH FEED END MILLS SUPER BITCHIN’ PERFORMANCE – FERROUS SOLID HIGH FEED END MILLS (INCH & METRIC) RECOMMENDED SPEEDS & FEEDS FOR SOLID 4 & 5 FLUTE HOWLER HIGH FEED END MILLS (METRIC) WITH WTF COATING. MAX RAMP ANGLE IS .5 DEGREES. TWO CLPTs ARE LISTED – ONE FOR ROUGHING AND ONE FOR FINISHING. AE = STEPOVER, AP = STEPDOWN SFM 3mm 4mm 6mm 8mm 10mm 12mm Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max WORK PIECE MATERIAL 0.0650 0.0047 0.0866 0.0063 0.1299 0.0094 0.1890 0.0157 0.2362 0.0197 0.2835 0.0236 AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT Gray Cast Iron 700 .0029 / .0056 .0037 / .0073 .0055 / .0115 .0074 / .0143 .0090 / .0174 .0108 / .0192 Ductile Iron 650 .0028 / .0055 .0036 / .0072 .0053 / .0113 .0072 / .0141 .0089 / .0173 .0106 / .0190 Soft Steels, (A36,1018,8620,1045) 850 .0028 / .0055 .0036 / .0072 .0053 / .0113 .0072 / .0141 .0089 / .0173 .0106 / .0190 Alloy Steels, (4340,4140) 750 .0028 / .0055 .0036 / .0072 .0053 / .0113 .0072 / .0141 .0089 / .0173 .0106 / .0190 4140 Pre-Hard (28 to 32 Rc) 600 .0023 / .0050 .0031 / .0067 .0048 / .0108 .0066 / .0136 .0084 / .0168 .0101 / .0185 Heat treated (40 to 50 Rc) 425 .0021 / .0048 .0029 / .0065 .0046 / .0106 .0064 / .0134 .0082 / .0166 .0099 / .0183 Tool Steels (A2,D2,S7) 700 .0026 / .0053 .0034 / .0070 .0051 / .0111 .0069 / .0139 .0087 / .0171 .0104 / .0188 Die Steels, (H13,P20) 725 .0031 / .0058 .0037 / .0073 .0055 / .0115 .0074 / .0143 .0090 / .0174 .0108 / .0192 Stainless Steel, (303) (304) (316) 600 .0026 / .0053 .0034 / .0070 .0051 / .0111 .0069 / .0139 .0087 / .0171 .0104 / .0188 Difficult Stainless Steel, (400 Series) 700 .0023 / .0038 .0029 / .0049 .0048 / .0075 .0064 / .0095 .0081 / .0124 .0099 / .0147 Difficult Stainless Steel, (PH Series) 550 .0023 / .0038 .0029 / .0049 .0048 / .0075 .0064 / .0095 .0081 / .0124 .0099 / .0147 Stainless Steel (13.8) 300 .0025 / .0037 .0034 / .0049 .0047 / .0074 .0064 / .0095 .0083 / .0119 .0108 / .0152 Titanium (6AL4V) 375 .0025 / .0031 .0034 / .0041 .0050 / .0065 .0067 / .0084 .0084 / .0103 .0108 / .0132 Inconel 718 275 .0025 / .0037 .0034 / .0049 .0047 / .0074 .0064 / .0095 .0083 / .0119 .0108 / .0152 Inconel 625 275 .0025 / .0037 .0034 / .0049 .0047 / .0074 .0064 / .0095 .0083 / .0119 .0108 / .0152 NOTE: If you can’t reach the right RPM’s or SFM based on your diameter and the call out. Please pick the RPM that you are comfortable with and adjust the IPM or CLPT. If tool is sticking out more then 3 times the diameter, speeds & feeds may have to be adjusted. RECOMMENDED SPEEDS & FEEDS FOR SOLID 4 & 5 FLUTE HOWLER HIGH FEED END MILLS (INCH) WITH WTF COATING. MAX RAMP ANGLE IS .5 DEGREES. TWO CLPTs ARE LISTED – ONE FOR ROUGHING AND ONE FOR FINISHING AE = STEPOVER, AP = STEPDOWN SFM 1/8” 3/16” 1/4” 3/8” 1/2” Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max Ae Max Ap Max WORK PIECE MATERIAL 0.0688 0.0050 0.1031 0.0075 0.1375 0.0100 0.2250 0.0188 0.3000 0.0250 AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT AVERAGE CLPT Gray Cast Iron 700 .0031 / .0058 .0045 / .0089 .0056 / .0117 .0085 / .0154 .0108 / .0192 Ductile Iron 650 .0030 / .0057 .0043 / .0088 .0055 / .0115 .0083 / .0153 .0106 / .0190 Soft Steels, (A36,1018,8620,1045) 850 .0030 / .0057 .0043 / .0088 .0055 / .0115 .0083 / .0153 .0106 / .0190 Alloy Steels, (4340,4140) 750 .0030 / .0057 .0043 / .0088 .0055 / .0115 .0083 / .0153 .0106 / .0190 4140 Pre-Hard (28 to 32 Rc) 600 .0025 / .0052 .0038 / .0083 .0050 / .0110 .0078 / .0148 .0101 / .0185 Heat treated (40 to 50 Rc) 425 .0023 / .0050 .0036 / .0081 .0048 / .0108 .0076 / .0146 .0099 / .0183 Tool Steels (A2,D2,S7) 700 .0028 / .0055 .0041 / .0086 .0053 / .0113 .0081 / .0151 .0104 / .0188 Die Steels, (H13,P20) 725 .0029 / .0056 .0045 / .0089 .0056 / .0117 .0085 / .0154 .0108 / .0192 Stainless Steel, (303) (304) (316) 600 .0028 / .0055 .0041 / .0086 .0053 / .0113 .0081 / .0151 .0104 / .0188 Difficult Stainless Steel, (400 Series) 700 .0024 / .0040 .0039 / .0057 .0052 / .0076 .0077 / .0112 .0099 / .0147 Difficult Stainless Steel, (PH Series) 550 .0024 / .0040 .0039 / .0057 .0052 / .0076 .0077 / .0112 .0099 / .0147 Stainless Steel (13.8) 300 .0027 / .0038 .0041 / .0057 .0052 / .0076 .0081 / .0114 .0108 / .0152 Titanium (6AL4V) 375 .0027 / .0033 .0041 / .0049 .0053 / .0068 .0081 / .0100 .0108 / .0132 Inconel 718 275 .0027 / .0038 .0041 / .0057 .0052 / .0076 .0081 / .0114 .0108 / .0152 Inconel 625 275 .0027 / .0038 .0041 / .0057 .0052 / .0076 .0081 / .0114 .0108 / .0152 NOTE: If you can’t reach the right RPM’s or SFM based on your diameter and the call out. Please pick the RPM that you are comfortable with and adjust the IPM or CLPT. If tool is sticking out more then 3 times the diameter, speeds & feeds may have to be adjusted.
2024 Gorilla Mill Fall Catalog
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