218 866-888-9600 gorillamill.com SPEEDS & FEEDS HIGH PERFORMANCE 4 FLUTE KNUCKLE ROUGHERS (METRIC) *NOTE: Recommended Speeds & Feeds, applications may vary. These Speeds & Feeds are based on Standard & Stub LOC. 4 FLUTE KNUCKLEDRAGGERS (METRIC) SPEEDS & FEEDS CHART. 1X DIAMETER DEEP, FULL SLOTTING, METRIC CHIMP LOAD PER TOOTH. WORK PIECE MATERIAL SFM 8mm 10mm 12mm 16mm 20mm 25mm RPM MMPT RPM MMPT RPM MMPT RPM MMPT RPM MMPT RPM MMPT Gray Cast Iron 750 9,096 0.0400 7,277 0.0480 6,064 0.0580 4,548 0.0760 3,638 0.0910 2,910 0.1010 Ductile Iron 550 6,670 0.0350 5,336 0.0480 4,447 0.0550 3,335 0.0750 2,668 0.0880 2,134 0.1010 Soft Steels, (A36,1018,8620,1045) 750 9,096 0.0400 7,277 0.0550 6,064 0.0630 4,548 0.0810 3,638 0.0940 2,910 0.1060 Alloy Steels, (4340, 4140) 500 6,064 0.0370 4,851 0.0550 4,042 0.0660 3,032 0.0760 2,425 0.0920 1,940 0.1010 4140 Pre-Hard (28 to 32 Rc) 400 4,851 0.0300 3,881 0.0380 3,234 0.0500 2,425 0.0600 1,940 0.0760 1,552 0.0870 Tool Steels (A2,D2,S7) 300 3,638 0.0350 2,910 0.0550 2,425 0.0610 1,819 0.0660 1,455 0.0860 1,164 0.0980 Die Steels, (H13,P20) 350 4,244 0.0350 3,395 0.0480 2,829 0.0680 2,122 0.0860 1,697 0.0940 1,358 0.1010 Stainless Steel, (303, 304, 316) 400 4,851 0.0400 3,881 0.0550 3,234 0.0590 2,425 0.0830 1,940 0.0960 1,552 0.1010 Difficult Stainless Steel, (400 & PH Series) 350 4,244 0.0400 3,395 0.0480 2,829 0.0560 2,122 0.0760 1,697 0.0940 1,358 0.0980 Stainless Steel (13-8) 180 2,183 0.0350 1,746 0.0430 1,455 0.0510 1,091 0.0640 873 0.0860 698 0.0970 High Temp. Alloys 275 3,335 0.0380 2,668 0.0550 2,223 0.0580 1,667 0.0760 1,334 0.0890 1,067 0.0970 Titanium (6AL4V) 250 3,032 0.0400 2,425 0.0480 2,021 0.0620 1,516 0.0860 1,212 0.0970 970 0.1010 Inconel 718 180 2,183 0.0300 1,746 0.0470 1,455 0.0580 1,091 0.0760 873 0.0890 698 0.0940 Inconel 625 150 1,819 0.0300 1,455 0.0470 1,212 0.0580 909 0.0710 727 0.0880 582 0.0940 HIGH PERFORMANCE 3 FLUTE KNUCKLE ROUGHERS (METRIC) 3 FLUTE KNUCKLEDRAGGERS (METRIC) SPEEDS & FEEDS CHART. 1X DIAMETER DEEP, FULL SLOTTING, METRIC CHIMP LOAD PER TOOTH. WORK PIECE MATERIAL SFM 6mm RPM MMPT Gray Cast Iron 750 12,128 0.0380 Ductile Iron 550 8,894 0.0330 Soft Steels, (A36,1018,8620,1045) 750 12,128 0.0250 Alloy Steels, (4340, 4140) 500 8,085 0.0250 4140 Pre-Hard (28 to 32 Rc) 400 6,468 0.0200 Tool Steels (A2,D2,S7) 300 4,851 0.0250 Die Steels, (H13,P20) 350 5,659 0.0330 Stainless Steel, (303, 304, 316) 400 6,468 0.0250 Difficult Stainless Steel, (400 & PH Series) 350 5,659 0.0200 Stainless Steel (13-8) 180 2,910 0.0250 High Temp. Alloys 275 4,447 0.0330 Titanium (6AL4V) 250 4,042 0.0250 Inconel 718 180 2,910 0.0200 Inconel 625 150 2,425 0.0220 A DESCENDANT OF GORILLA MILLS ® *NOTE: Recommended Speeds & Feeds, applications may vary.
2024 Gorilla Mill Fall Catalog
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