PBM
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Catalog excerpts

PB-D INCH serration 2 or 3 jaws PB-C Tongue & groove 3 jaws Stationary chuck, pneumatic ■ 0 130 - 315 mm ■ built-in cylinder ■ 2 and 3 jaws Application/customer's benefit • Self centering chuck used on milling machines/machining centers/special machines PB-D: inch serrated master jaws (1/16" x 90°) PB-C: tongue & groove master jaws (American standard) PB-M: metric serrated master jaws (1.5 mm x 60°) on request Technical features • Stationary chuck consisting of a 2/3 jaw chuck with a built-in pneumatic cylinder • Compact design • Case hardened body to assure highest precision and long chuck life Caution! Filtered and oiled operating air required Ordering example 3 jaw chuck fixture PB-C 250 or 2 jaw chuck fixture PBL-D2 165 Technical data *The 2 jaw fixture is available with serrated master jaws (inch or metric) and long stroke only. Option for the PB-D and PB-C chuck Safety unit that maintains a constant pressure inside the cylinder which maintains a steady clamping force even in case of a drop or lack of line pressure SAB Safety unit with double non-return valve

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Stationary chuck, pneumatic ■ 0 130 - 315 mm ■ built-in cylinder ■ 2 and 3 jaws PB-D PB-C INCH serration Tongue & groove Common dimensions SMW-AUTOBLOK Type Fixing holes circle Fixing holes diameter Radial jaw stroke (3 jaws) Radial jaw stroke PBL-D2 (2 jaws) U Y Z Pneumatic connections PB-D and PBL-D2 fixtures dimensions SMW-AUTOBLOK Type T-nut position min./max. Chuck open (3 jaw) Chuck open PBL-D2 (2 jaws) PB-C fixtures dimensions (available only in 3 jaw chuck version) SMW-AUTOBLOK Type Chuck open Chuck open

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