Режущие и зажимные инструменты Hoffmann Group 2026 - страница 962

GBP 57 Shank versions for milling machines and machining centres The extremely high tool quality protects the machine spindle and extends the service life of the tools. Tolerance is tighter than required by DIN: Taper accuracy to AT 3 (max. 3 µm), surface roughness RZ < 0.001 mm. Note: See page 1004 for information on hollow shank interfaces (HSK). Shanks for NC machines and machining centres f2 min. l1 – 0,3 DIN ISO 7388-1 (previously 69871) 60° Form A: Without through hole. SK 30 SK 40 SK 50 Form AD: With through hole l1 47.80 68.40 101.75 for central coolant feed. d1 31.75 44.45 69.85 Form B/Form AF: For lateral coolant feed d6 – 0,1 d8 max. d6 50.00 63.55 97.50 d1 g via the tool collar. Form ADB/Form ADF: For central and lateral coolant feed d8 45.00 50.00 80.00 via the tool collar. f2 35.00 35.00 35.00 a ± 0,1 f3 – 0,1 f3 19.10 19.10 19.10 a 3.20 3.20 3.20 g M 12 M 16 M 24 60° l1 Pull studs acc. to DIN ISO 7388-3 (previously DIN 69872) or DIN ISO 7388-2 (previously JIS B 6339) ISO 7388/II type B or with snap ring groove. BT 30 BT 40 BT 50 l1 48.40 65.40 101.80 d1 d6 g d1 31.75 44.45 69.85 d6 46.00 63.00 100.00 Pull studs to JIS standard. f3 22.00 27.00 38.00 a f3 a 2.00 2.00 3.00 g M 12 M 16 M 24 Shanks for conventional milling machines and NC machines MT 3, MT 4 and MT 5 with DIN 2207 SK 30 and SK 50 DIN 2080 Morse taper and internal with internal draw thread MT 3 MT 4 MT 5 SK 30 SK 50 draw thread. SK 30 − in stock at the manufacturer. l2 86 109 136 l1 68.40 126.80 l4 18 23 28 l1 l2 50.00 105.00 l2 l2 d1 23.825 31.267 44.399 d1 31.75 69.85 d2 36 43 60 d8 50.00 97.50 d2 d1 g d1 d8 g l4 g M 12 M 16 M 20 f 9.50 15.10 f g M 12 M 24 SK 40 Cover SK 40 Similar to DIN 2080 with snap ring groove for all Deckel machines with with internal draw thread with SK 40 SK 40 external buttress threads. manual clamping and with snap ring l1 120 l1 93.40 ± 0.15 groove for automatic clamping l2 30 (for example, Maho, Deckel, Mikron). l2 82.00 ± 0.15 d1 44.450 l3 7 l1 l1 l2 d2 58 l2 15° d1 44.45 g S 20×2 d2 21.10 – 0.10 g d1 d2 d1 d3 d2 d3 25.00 – 0.08 e l3 g M 16 Drill chuck spigots DIN 238 (June 1962 issue) Spigot D d L For combination with for drill chucks with Large clamping ⌀ size mm mm mm Morse taper clamping range for drill chuck D B6 6.350 5.85 10.00 MT0 - MT2 ≤ 3 mm B10 10.094 9.40 14.50 MT0 - MT2 3 mm − 4 mm 8 B12 12.065 11.10 18.50 MT0 - MT2 6 mm - 8 mm 10 d B16 15.733 14.50 24.00 MT1 - MT3 10 mm − 13 mm 16 B181) 17.431 16.20 32.00 MT1 - MT3 16 mm 16 L B22 21.793 19.80 40.50 MT2 - MT4 20 mm 20 B24 23.825 21.30 50.50 MT3 - MT5 26 mm - 32 mm 26 1) Shortened version. 962