749 Каталог HOFFMANN GROUP 2016 Станочный режущий и вспомогательный инструмент Вер. 47 Стр.749

Каталог HOFFMANN GROUP 2016 Режущий инструмент и оснастка Стр. 749 0749 ENG Lab2u

47 9 Heavy-duty chuck with through aperture Jaw serrations 1.5mmx60°. High clamping force. High precision in continuous use. Optimised lubrication system. Precision spline hook heavy-duty chuck. Mounting dimensions compatible with the Kitagawa B200 series. Hardened on all faces - functional faces ground. High concentricity and repetition accuracy. Modular protective sleeve system. Material: Made of steel throughout, completely case-hardened and polished. Advantage: Sturdy precision chuck for daily routine work. Long maintenance intervals. Direct force transmission to the base jaws. Supplied with: Base jaws in the chuck, T-nuts with screws, chuck fastening screws, draw-nut blank, assembly wrench. Optional extras: For spare and additional jaws see No. 313700 - 313770. Integral draw-nut blank. Large pass-though hole in chuck. Jaw stroke indicator for controlled clamping. Base jaw security prevents the base jaws flying out even in the event of a crash. With recessed mount Standard: DIN 6353 - Form A. Application: The chuck is fitted to a flange from the front by means of screws and this flange is then mounted on to the lathe spindle. The flange blanks must always be fitted first to the machine and then matched to the chuck. 313070 _250 Type I 313070 Three-jaw chuck Clamping range external Internal damping range Jaw stroke B, Piston stroke M 0A Aperture E Height without jaws H, Weight maximum speed DIN 6353 mm kg min-1 (1350.-) 18-164 76-140 2.75 12 169 45 81 12 6000 (1656.-) 21-208 87-274 3.7 16 210 52 90.4 20.5 4800 (2016.-) (3123.-) With short taper mount Standard: DIN 55028 Application: The chuck is always fitted to the spindle nose directly without an intermediate flange. Type 165/5 210/6 250/6 250/8 315/6 Colour code for accessories Three-jaw chuck DIN 55028 (1485.-) (1800.-) (2151.-) (2151.-) (3276.-) (3276.-) Clamping range external mm 18-164 21-208 25-240 25-240 28-331 28-331 Internal damping range mm 76-140 87 - 274 113-318 113-318 105 - 384 105 - 384 Jaw stroke B, mm 2,75 3.7 4,4 4.4 5.3 5.3 Piston stroke M mm 12 16 19 19 23 23 0A mm 169 210 254 254 304 304 Aperture E mm 45 52 75 75 91 91 Height without jaws H, mm 81 90.4 100 100 110 110 Weight kg 13 22 38 35 57.2 55 maximum speed min-1 6000 4800 4200 4200 3300 3300 Colour code: Schunk heavy-duty chucks and jaws Hoffmann Group Low-wear version thanks to the hardened chuck body. Chuck lubrication Precision base jaw serration. 749