Northfield Precision Instrument Corp.

Diaphragm Chuck features specialty application adapters.
Architectural & Civil Engineering Products

Diaphragm Chuck features specialty application adapters.

Model DPH-400W 4 in. dia diaphragm chucks feature stops with 3 small air detect holes for part seating conformation - air is pumped through holes, and when part rests on the stop air pressure rises, tripping pressure switch that starts machining process. Four clover adapters have grooves for CAM follower to snap into to orient chuck when stopped, and 8 passage rotary union actuates all four...

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High Speed Balancing Chuck
Machinery & Machining Tools

High Speed Balancing Chuck

Island Park, NY... Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, presents their High Speed Balancing Chuck. This fixture locates a universal joint using built-in V-Blocks and 2 diaphragm jaws. The jaws and blocks center the work piece while 2 arms slide down to face clamp. Northfield Precision designs and manufactures the...

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Air Actuated Chuck uses 5C collets.
Architectural & Civil Engineering Products

Air Actuated Chuck uses 5C collets.

Featuring same bolt pattern as proprietary 4 in. chucks, allowing interchangeability, 5C collet chuck uses standard air feed tubes, wet or dry. All components are hardened and ground to 58/63 RC, and all diameters are ground within 1/10,000 TIR. Product uses standard 5C collets and also accepts 5C expanding collets. Operating speeds are rated to exceed 8,000 rpm.

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Machinery & Machining Tools

Custom Diaphragm Chuck meets pneumatic pump industry needs.

Designed to meet pneumatic pump application challenges, 3x3 double diaphragm chuck clamps powdered metal gears (11-tooth) and employs upper and lower jaws that flex separately to ensure clamping on pitch line of tapered gears. Workholding air and diaphragm chucks, fixtures, and jaws are engineered to meet requirements of metalworking industry. Specials include standard 450WHS chuck with special...

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Architectural & Civil Engineering Products

Sliding Air Jaw Chuck is offered in various configurations.

Developed to grip OD of 9 in. dia helical gears, Pitch Line features pins mounted in loose fitting housing so they can float. Pins pick up pitch diameter, and jaws grip OD of pins. Because pitch is measured over pins, gripping is performed in same manner as measuring. Models include through-hole, high-speed, and quick-change chucks, available in SAE or metric sizes from 3-18 in. (76-457 mm) with...

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Chucking Systems are available in 2 versions.
Architectural & Civil Engineering Products

Chucking Systems are available in 2 versions.

Model 625, -¼ in. stroke and 6 in. diaphragm Hi-Low chucking systems offer on-the-fly and cycle interrupt methods of chucking. Products allow roughing and finishing of machine parts in one operation. Valve system, connected to sliding jaw air chucks, lets users drop jaw force by stopping spindle, rechucking, then contining machining finish cuts with no distortion. Models are available in SAE or...

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Workholding Air Chuck offers 6 jaw force settings.
Machinery & Machining Tools

Workholding Air Chuck offers 6 jaw force settings.

Able to mount on pallets as work is mechanized at different stations, Model 1000 3-Jaw Chuck is suited for lathes, milling machines, power, and specialty applications. Spring clamp unit features hardened and ground face plate with coolant grooves to flush dirt and chips away. Sub jaw holds pull-down inserts to pull workpiece into face or zero axial location, and, at end of cycle, air opens chuck...

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