DIAPHRAGM CHUCKS CATALOG
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Precision Diaphragm Chucks NORTHFIELD

NORTHFIELD Precision Air Chuck Guarantee - Accuracy within Millionths NORTHFIELD… THE WORLD LEADER IN PRECISION DIAPHRAGM AIR CHUCKS GUARANTEED ACCURACY • Radial - .000020 inch T.I.R • Axial - .000010 inch T.I.R. Advantages of a diaphragm chuck: • Completely sealed from harsh environments • Jaw motion provides pullback feature • No metal-to-metal moving parts • Counterbalanced for higher operating speeds • No lubrication required, maintenance free • Uniform, adjustable clamping pressures Applications: • Grinding, turning, boring, milling, measuring, inspection, material handling, robotics,...

CUSTOM DESIGNED WORKHOLDING JAWS Top jaws are a critical part of a precision workholding system. The same attention must be paid to jaw design and manufacture as to chuck machine performance if maximum accuracy is to be achieved at the workpiece. Northfield‘s experienced workholding engineers and specialized manufacturing facilities provide a unique capability for the design and manufacture of custom jaws. Based on customer drawings or workpieces, we design jaws to hold the most intricate or fragile parts. The appropriate material is used – from hardened and ground tool steel through...

3 INCH DIAPHRAGM CHUCK 3 INCH COOLANT-THROUGH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.020" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Jaw Stroke – 0.020" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Speed – 15,000 RPM Max. with Proper Top Jaws • Speed – 15,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 2.5" • Standard Chucking Range – 0" to 2.5" • Totally Sealed with No...

3 INCH NON-ROTATING AIR TUBE DIAPHRAGM CHUCK 4 INCH - 5/8" COUNTER BORE DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.020" with Pull-Down Action (1" top Jaws) @ 100 PSI • Jaw Stroke – 0.048" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Speed – 15,000 RPM Max. with Proper Top Jaws • Speed – 12,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 2.5" • Standard Chucking Range – 0" to 3.0" • Totally...

4 INCH COOLANT-THROUGH 5/8" COUNTER BORE DIAPHRAGM CHUCK 4 INCH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.048" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Jaw Stroke – 0.048" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Speed – 12,000 RPM Max. with Proper Top Jaws • Speed – 12,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 3.0" • Standard Chucking Range – 0" to 3.0" • Totally Sealed...

4 INCH NON-ROTATING AIR TUBE DIAPHRAGM CHUCK 4 INCH COOLANT-THROUGH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.048" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Jaw Stroke – 0.048" with Pull-Down Action (1" Top Jaws) @ 100 PSI • Speed – 12,000 RPM Max. with Proper Top Jaws • Speed – 12,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 3.0" • Standard Chucking Range – 0" to 3.0" • Totally Sealed...

5 INCH DIAPHRAGM CHUCK 5 INCH COOLANT-THROUGH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.050" with Pull-Down Action (1.5" Top Jaws) @ 100 PSI • Jaw Stroke – 0.050" with Pull-Down Action (1.5" Top Jaws) @ 100 PSI • Speed – 12,000 RPM Max. with Proper Top Jaws • Speed – 12,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 4.1" • Standard Chucking Range – 0" to 4.1" • Totally Sealed with No...

5 INCH NON-ROTATING AIR FEED TUBE DIAPHRAGM CHUCK 6 INCH COOLANT-THROUGH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.050" with Pull-Down Action (1.5" Top Jaws) @ 100 PSI • Jaw Stroke – 0.060" with Pull-Down Action (1.5" Top Jaws) • Speed – 10,000 RPM Max. with Proper Top Jaws • Speed – 12,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 4.8" • Standard Chucking Range – 0" to 4.1" • Totally Sealed...

6 INCH NON-ROTATING AIR FEED TUBE DIAPHRAGM CHUCK 6 INCH COOLANT-THROUGH DIAPHRAGM CHUCK S P E C I F I CAT I O N S SPECIFICATIONS SUBJECT TO CHANGE • Actuation – Air Open/Close, with or without Diaphragm Clamping • Actuation – Air Open/Close, with or without Diaphragm Clamping • Jaw Stroke – 0.060" with Pull-Down Action (1.5" Top Jaws) • Jaw Stroke – 0.060" with Pull-Down Action (1.5" Top Jaws) • Speed – 10,000 RPM Max. with Proper Top Jaws • Speed – 10,000 RPM Max. with Proper Top Jaws • Standard Chucking Range – 0" to 4.8" • Standard Chucking Range – 0" to 4.8" • Totally Sealed with No...