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Design
Self-contained design with built-in air cylinder. Air is supplied to the chuck by a multi passage air tube assembly with a rotary coupling. Coolant through the spindle capability is standard.

Application
OD and ID chucking for cylindrical grinding, turning, and hard turning. Ideal for workpieces requiring high concentricity, and/or close round ness. Ideal for fragile parts which are easily distorted, and applications requiring high spindle speeds.
MBS/L Air Operated Diaphragm Chuck
MBS/L Air Operated Diaphragm Chuck dwg
Unit of Measure
1 

Model

Chuck Size

Repeating Accuracy

No. of Jaws

Jaw Stroke

Max. Jaw Force

Max. Air Pressure

Max. rpm

Weight

MBS/L-80 N/A 3.19 in80 mm N/A .0001 in.0025 mm N/A 6 N/A .060 in1.5 mm N/A 510 lbf232 kgf N/A 100 psi7.1 kg/cm² N/A 8,000 N/A 3.3 lb1.5 kg
MBS/L-100 N/A 4.02 in102 mm N/A .0001 in.0025 mm N/A 6 N/A .060 in1.5 mm N/A 1,560 lbf709 kgf N/A 100 psi7.1 kg/cm² N/A 7,000 N/A 6.5 lb3.0 kg
MBS/L-125 N/A 5.00 in127 mm N/A .0001 in.0025 mm N/A 6 N/A .060 in1.5 mm N/A 3,640 lbf1,655 kgf N/A 100 psi7.1 kg/cm² N/A 6,500 N/A 10.4 lb4.7 kg
MBS/L-150 N/A 5.98 in152 mm N/A .0001 in.0025 mm N/A 6 N/A .060 in1.5 mm N/A 6,090 lbf2,768 kgf N/A 100 psi7.1 kg/cm² N/A 6,000 N/A 14.3 lb6.5 kg
MBS/L-200 N/A 8.03 in204 mm N/A .0001 in.0025 mm N/A 6 N/A .060 in1.5 mm N/A 10,950 lbf4,977 kgf N/A 100 psi7.1 kg/cm² N/A 4,500 N/A 29.1 lb13.2 kg
MBS/L-250 N/A 10.00 in254 mm N/A .0001 in.0025 mm N/A 6 N/A .080 in2 mm N/A 17,090 lbf7,768 kgf N/A 100 psi7.1 kg/cm² N/A 3,500 N/A 64.5 lb29.3 kg
MBS/L-300 N/A 11.57 in294 mm N/A .0001 in.0025 mm N/A 6 N/A .080 in2 mm N/A 27,470 lbf12,486 kgf N/A 100 psi7.1 kg/cm² N/A 3,000 N/A 96.1 lb43.7 kg
Unit of Measure
1