270 1 2 3 4 5 6 20 - 40 40 - 60 60 - 80 80 - 100 100 - 120 120 - 140 1.1 1.1 1.0 1.0 1.0 0.8 631484 631485 631486 631487 631488 631489 631490 631491 631492 631493 631296 631309 D min. D max. D-VARIO ■ Jaws type A for O.D. clamping Jaws type A Clamping Range Ø D min. - D max. mm Weight / set kg Blank jaws (set of 3 pieces) Id. No. Jaws factory finished* (set of 3 pieces) Id. No. * Jaws are factory finished according to the specified clamping diameter. Note: The clamping diameter must be specified in case of order. Clamping diameter range Jaws type A Device for machining of the blank jaws type A Jaws type A sizes 1 - 6 Recommended grinding rings (1 set = 2 pieces) Jaws type A sizes 1 - 6 Device Grinding rings (1 Set = 2 pieces) The device is needed to pre-machine the blank jaws type A. Then, the jaws must be finish ground to the clamping diameter on the D-VARIO chuck. For this operation, the jaws have to be clamped with the grinding rings. Grinding data: 1. Grinding A1 D = 177.0 mm residual jaw stroke 0.25 mm 2. Grinding A2 D = 176.9 mm residual jaw stroke 0.20 mm 3. Grinding A3 D = 176.8 mm residual jaw stroke 0.15 mm 4. Grinding A4 D = 176.7 mm residual jaw stroke 0.10 mm The clamping diameter A1 is used for the first finish grinding process. The smaller clamping diameter of the grinding rings (A2-A4) are used to regrind worn or damaged existing jaws. Diaphragm chuck FLEXIBLE MODULAR SYSTEM BIS Specials Website: www.bisspecials.com Email: info@bisspecials.com Tel: (0031) 0313 482566 Website: www.bisspecials.com Email: info@bisspecials.com Tel: (0031) 0313 482566
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