Northfield Precision Instrument Corp.
Island Park, NY 11558
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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Workholding Chuck precisely grips helical gears.
Designed to grip OD of 9 in. diameter helical gears, MG Mini-Gear Pitch Line Chuck features pins mounted in loose fitting housing so that they can float. Pins pick up pitch diameter, and jaws grip OD of pins. At 10 in. dia, Northfield model 1000 air chuck features 2 pin cages: one for left hand helix, and one for right hand helix. Pin cages are changed out by removing 3 mounting screws.
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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.
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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Precision Air Chuck delivers precision at any speed.
Featuring 3000 rpm max recommended speed, Modified Model 425 Air Chuck has 3-jaw design with 645 lb force per jaw, max jaw opening of 0.250 in., and repeatability of 0.0001 in. TIR. Work piece is loaded into chuck sprocket side down, and sprocket face is used for axial location. Locator provides radial spring pins to orient workpiece at 45.648-
Read More »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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Custom Diaphragm Chuck suits pneumatic pump applications.
Custom 3 x 3 double diaphragm chuck clamps 11 tooth powdered metal gears. Upper and lower jaws flex separately to ensure clamping on pitch line of tapered gears. Engineered to meet needs of metalworking industry, they are available in SAE or metric, in chuck sizes from 3-18 in. (76-457 mm) with accuracies of 0.001-0.00001 in. (0.254 mm).
Read More »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.
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.
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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