E41 PUNCH WITH TAPERED HEAD 30°,SHAPE C Material: HSS Order No 2291.3. Hardness: Shaft 58 + 2 HRC Head ≤ 50 HRC Description of FIBRO materials for tool and die components see at the beginning of Chapter E. Execution: Head hot upset-forged and tempered. Shaft and head subsequently precision plunge-ground for perfect concentricity and full interchangeability with replacement punches. d1 and l2 to customer’s specifications! d3 d2 d4 h k α ± 1° l1 100 120 5.5 8.98 5.5 7.5 1 30 ● ● 6 9.75 6 8 1 28 ● ● 8 12.8 8 10 1 22.5 ● ● 9 14.4 9 11 1 20 ● ● 10 15.9 10 12 1 19 ● ● 12 18.7 12 14 1.5 24 ● 14 21.8 14 16 1.5 21 ● 16 24.6 16 18 2 25 ● 2291. Punch with tapered head 30°,Shape C Ordering Code (example): Punch with tapered head 30°,Shape C = 2291. Material MAT HSS = 3. Shaft diameter d3 10 mm = 1000. Length l1 100 mm = 100. Cutting diameter d1 5 mm = 0500. Cutting length l2 5 mm = 005 Order No = 2291. 3.1000. 100. 0500. 005 2291. h k 30° -0,3 4 d X 2 d 3 d 1 h6 d 2 I 1 I +1 R13 Detail
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