BIG BORE ® BB-AZ2G INCH SERRATION
Front-end pneumatic power chuck EXTRA large through-hole Ø 275 - 560 mm ■ Chuck size 685 - 1000 ■ Self-centering or compensating clamping ■ Chuck with EXTRA long rapid and clamping stroke - 3 jaws Application/customer benefits • End machining of straight or bent pipes • Tubes can be clamped self-centering or with radial jaw compensation at bent pipes, using a retractable centering chuck • Full spindle bore can be used • Stroke control for each jaw • EXTRA long rapid and clamping stroke (1 1/2“ total) • Pressure control Technical features • Air chuck with built-in pneumatic cylinders for self-centering or compensating clamping mode • Air feed for both functions via distributor ring and SMW-AUTOBLOK profile seals at stopped spindle • Built-in non-return valves maintain the air pressure during machining • EXTRA long rapid and clamping stroke • For external clamping only Standard equipment
Ordering example Big Bore BB-AZ2G 685-275- A15
Chuck with mounting bolts 1 set of T-nuts with bolts
Self-centering clamping
Compensating clamping
E
A
Z
A Z E
Retractable centering chuck Type CC
A
Z
Z
Z
Z
Technical data
SMW-AUTOBLOK Type Through-hole Total stroke per jaw Rapid stroke per jaw* Clamping stroke per jaw Operating pressure min. / max.
BB-AZ2G 685-275 BB-AZ2G 740-330 BB-AZ2G 800-390 BB-AZ2G 1000-560 275 (10.83“) 330 (13“) 390 (15.35“) 560 (22.05“) 38.1 (1 1/2“) 38.1 (1 1/2“) 38.1 (1 1/2“) 38.1 (1 1/2“) 28.7 (1.13“) 28.7 (1.13“) 28.7 (1.13“) 28.7 (1.13“) 9.4 (0.37“) 9.4 (0.37“) 9.4 (0.37“) 9.4 (0.37“) 2 / 10 (29 / 145) 2 / 10 (29 / 145) 2 / 10 (29 / 145) 2 / 10 (29 / 145) 1333 1344 1505 1570 160 (35969) 160 (35969) 180 (40466) 180 (40466) 90 (20233) 90 (20233) 90 (20233) 90 (20233) 1000 850 750 500
mm (inch) mm (inch) mm (inch) mm (inch)
bar (psi)
Piston area
cm ²
Gripping force at 6 bar self-centering Gripping force at 6 bar compensating
kN (lbf) kN (lbf)
Max. speed
r.p.m.
Air consumption / jaw stroke at 6 bar Centering
liter liter liter
57 72 27
57 71 27
63 76 27
66 76 27
Compensating
Open
* May not be used for clamping. Weight (without top jaws) Moment of inertia Compensating stroke
kg (lbs)
800 (1764)
875 (1929)
1000 (2204)
1420 (3131)
kg·m 2
51.5
68.4
90.5
221.4
mm (inch)
± 3.5 (0.14“)
± 3.5 (0.14“)
± 3.5 (0.14“)
± 3.5 (0.14“)
SMW-AUTOBLOK 370
380 SMW-AUTOBLOK
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