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Design
Draw tube operated design. Can be actuated with either a hydraulic or pneumatic cylinder mounted at the rear of the machine spindle.

Application
OD and ID chucking for cylindrical grinding, turning, and hard turning. Ideal for workpieces requiring high concentricity, and applications requiring high chucking force and/or high spindle speeds.
MBS/Z Draw Bar Operated Diaphragm Chucks
MBS/Z Draw Bar Operated Diaphragm Chucks dwg
Unit of Measure
1 

Model

Chuck Size

Repeating Accuracy

No. of Jaws

Jaw Stroke

Max. Jaw Force

Max. rpm

Weight

MBS/Z-100 N/A 4 in102 mm N/A .0001 in.0025 mm N/A 6 N/A .063 in1.5 mm N/A 8,655 lbf2,940 kgf N/A 7,000 N/A 6.9 lb3.1 kg
MBS/Z-125 N/A 5 in127 mm N/A .0001 in.0025 mm N/A 6 N/A .063 in1.5 mm N/A 11,420 lbf5,190 kgf N/A 6,500 N/A 10.6 lb4.8 kg
MBS/Z-150 N/A 6 in152 mm N/A .0001 in.0025 mm N/A 6 N/A .063 in1.5 mm N/A 12,210 lbf5,550 kgf N/A 6,000 N/A 14.5 lb6.6 kg
MBS/Z-200 N/A 8 in204 mm N/A .0001 in.0025 mm N/A 6 N/A .063 in1.5 mm N/A 15,595 lbf7,090 kgf N/A 4,500 N/A 28.7 lb13.0 kg
MBS/Z-250 N/A 10 in254 mm N/A .0001 in.0025 mm N/A 6 N/A .120 in2 mm N/A 38,075 lbf17,300 kgf N/A 4,000 N/A 60.9 lb27.7 kg
MBS/Z-300 N/A 10 in294 mm N/A .0001 in.0025 mm N/A 6 N/A .120 in2 mm N/A 43,110 lbf19,600 kgf N/A 3,500 N/A 109.4 lb49.7 kg
Unit of Measure
1