217 866-888-9600 gorillamill.com SPEEDS & FEEDS HIGH PERFORMANCE 4 FLUTE KNUCKLE ROUGHERS (INCH) 4 FLUTE KNUCKLEDRAGGERS (INCH) SPEEDS & FEEDS CHART. 1X DIAMETER DEEP, FULL SLOTTING. CHIMP LOAD PER TOOTH WORK PIECE MATERIAL SFM 3/8" 1/2" 5/8" 3/4" 1" RPM IPM RPM IPM RPM IPM RPM IPM RPM IPM Gray Cast Iron 750 7,640 57.8 5,730 52.7 4,584 55.0 3,820 48.9 2,865 45.8 Ductile Iron 550 5,602 42.6 4,202 36.9 3,362 41.7 2,801 35.9 2,101 33.6 Soft Steels, (A36,1018,8620,1045) 750 7,640 67.2 5,730 57.3 4,584 58.6 3,820 48.9 2,865 45.8 Alloy Steels, (4340, 4140) 500 5,093 44.8 3,820 42.7 3,056 36.7 2,546 34.6 1,910 30.5 4140 Pre-Hard (28 to 32 Rc) 400 4,075 24.5 3,056 24.5 2,444 23.4 2,037 22.0 1,528 19.6 Tool Steels (A2,D2,S7) 300 3,056 28.1 2,292 22.0 1,833 19.1 1,528 18.3 1,146 16.5 Die Steels, (H13,P20) 350 3,565 34.2 2,674 28.8 2,139 29.1 1,783 24.3 1,337 21.4 Stainless Steel, (303, 304, 316) 400 4,075 35.8 3,056 28.1 2,445 32.3 2,037 28.5 1,528 24.4 Difficult Stainless Steel, (400 & PH Series) 350 3,565 27.1 2,674 23.5 2,140 25.6 1,783 23.5 1,337 21.4 Stainless Steel (13-8) 180 1,834 12.5 1,375 11.1 1,100 11.0 917 11.0 688 9.7 High Temp. Alloys 275 2,801 24.6 2,101 19.3 1,680 20.1 1,400 16.8 1,050 14.7 Titanium (6AL4V) 250 2,547 19.3 1,910 19.1 1,528 20.7 1,273 17.3 955 15.3 Inconel 718 180 1,834 13.8 1,375 12.6 1,100 13.2 917 11.0 688 9.6 Inconel 625 150 1,528 11.6 1,146 10.0 917 10.2 764 9.2 573 8.1 HIGH PERFORMANCE 3 FLUTE KNUCKLE ROUGHERS (INCH) 3 FLUTE KNUCKLEDRAGGERS (INCH) SPEEDS & FEEDS CHART. 1X DIAMETER DEEP, FULL SLOTTING. CHIMP LOAD PER TOOTH WORK PIECE MATERIAL SFM 1/4" RPM IPM Gray Cast Iron 750 11,460 34.3 Ductile Iron 550 8,404 25.2 Soft Steels, (A36,1018,8620,1045) 750 11,460 34.3 Alloy Steels, (4340, 4140) 500 7,640 18.3 4140 Pre-Hard (28 to 32 Rc) 400 6,112 11.1 Tool Steels (A2,D2,S7) 300 4,584 11.1 Die Steels, (H13,P20) 350 5,348 14.4 Stainless Steel, (303, 304, 316) 400 6,112 14.6 Difficult Stainless Steel, (400 & PH Series) 350 5,348 11.2 Stainless Steel (13-8) 180 2,750 5.7 High Temp. Alloys 275 4,202 12.6 Titanium (6AL4V) 250 3,820 10.3 Inconel 718 180 2,750 6.6 Inconel 625 150 2,292 5.5 A DESCENDANT OF GORILLA MILLS ® *NOTE: Recommended Speeds & Feeds, applications may vary.
2024 Gorilla Mill Fall Catalog
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