Series 29 Fractional Speed & Feed Recommendations Diameter (D1) inch Material Vc Classification Ae x D1 Ap x D1 (sfm) 1/8 1/4 5/16 3/8 Slot RPM 12224 6112 4890 4075 1 ≤1 400 Fr 0.0024 0.0048 0.0060 0.0072 (320-480) Feed (ipm) 29.4 29.4 29.4 29.4 CFRP, AFRP Profile RPM 15280 7640 6112 5093 (Carbon Fiber, ≤ 0.5 ≤ 1.5 500 Fr 0.0024 0.0048 0.0060 0.0072 Aramid Fiber) (400-600) Feed (ipm) 36.6 36.6 36.6 36.6 HSM RPM 25212 12606 10085 8404 ≤ 0.05 ≤2 825 Fr 0.0055 0.0110 0.0138 0.0165 (660-990) Feed (ipm) 139.0 139.0 139.0 139.0 Slot RPM 9779 4890 3912 3260 1 ≤1 320 Fr 0.0024 0.0048 0.0060 0.0072 (256-384) Feed (ipm) 23.4 23.4 23.4 23.4 Profile RPM 12224 6112 4890 4075 GFRP ≤ 0.5 ≤ 1.5 400 Fr 0.0024 0.0048 0.0060 0.0072 (Fiberglass) (320-480) Feed (ipm) 29.4 29.4 29.4 29.4 HSM RPM 20170 10085 8068 6723 ≤ 0.05 ≤2 660 Fr 0.0055 0.0110 0.0138 0.0165 (582-792) Feed (ipm) 111.0 111.0 111.0 111.0 Slot RPM 14669 7334 5868 4890 1 ≤1 480 Fr 0.0037 0.0075 0.0094 0.0112 (384-576) Feed (ipm) 55.0 55.0 55.0 55.0 Profile RPM 18336 9168 7334 6112 Carbon, ≤ 0.5 ≤ 1.5 600 Fr 0.0037 0.0075 0.0094 0.0112 Graphite (480-720) Feed (ipm) 68.7 68.7 68.7 68.7 HSM RPM 30254 15127 12102 10085 ≤ 0.05 ≤2 990 Fr 0.0086 0.0172 0.0215 0.0258 (792-1188) Feed (ipm) 260.0 260.0 260.0 260.0 Slot RPM 24448 12224 9779 8149 1 ≤1 800 Fr 0.0038 0.0075 0.0094 0.0113 (640-690) Feed (ipm) 91.7 91.7 91.7 91.7 Profile RPM 30560 15280 12224 10187 Plastics ≤ 0.5 ≤ 1.5 1000 Fr 0.0038 0.0075 0.0094 0.0113 (800-1200) Feed (ipm) 114.6 114.6 114.6 114.6 HSM RPM 50424 25212 20170 16808 ≤ 0.05 ≤2 1650 Fr 0.0035 0.0069 0.0086 0.0104 (1320-1980) Feed (ipm) 174.0 174.0 174.0 174.0 rpm = sfm x 3.82 / D1 Reduce speed when overheating causes Rates shown are for use without coolant; Refer to the SGS Tool Wizard for complete ipm = (inch / revolution) x rpm melting or damage to resin rates may be increased with coolant technical information (www.sgstool.com) HSM (high speed machining) Reduce feed if delamination or fraying occur Dust collection is vital when machining dry Adjust parameters based on resin type and Finish cuts typically required reduced feed Diamond coating will increase tool life in fiber structure and cutting depths graphite and composite materials 4 www.sgstool.com