Northfield Precision Instrument Corp.

Air-Actuated Chuck features two moving jaws.
Machinery & Machining Tools

Air-Actuated Chuck features two moving jaws.

Designed with two moving jaws for gripping square or rectangular parts, Model 870 Sliding-Jaw Air Chuck offers TIR of .0001. Drill tip stops on axial locator mounted to face of chuck, and Insert Pads mounted in subjaws clamp down on OD of each drill while they grind shank. Insert Pad and Subjaw arrangement allows for quick changeover from size to size.

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Model DPH1000W - Two Is Better Than One!
Machinery & Machining Tools

Model DPH1000W - Two Is Better Than One!

Island Park, NY - Picture illustrates one Northfield DPH1000W, 10-inch diaphragm chuck capable of locating and clamping two work pieces with different location datum. Due to production requirements, end user requested quick and accurate change over between the work piece numbers. The chuck was manufactured with special stepped top jaws that could locate and clamp both work pieces without...

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Sliding Jaw Air Chuck delivers 0.0001 in. TIR.
Machinery & Machining Tools

Sliding Jaw Air Chuck delivers 0.0001 in. TIR.

Along with quick-change jaws and hard stop, 3-jaw Model 650 features 0.0001 in. TIR, 0.100 in. max jaw opening, and 988 lb force per jaw. Subjaws are permanently mounted to chuck's master jaws, and Quick-Change top jaws are held in place by one bolt through keyhole slot in each jaw pad. Weighing 14 1/8 lb with aluminum jaws or 14 7/8 lb with steel jaws, chuck offers repeatability of 0.000025 in....

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Collet Chucks offer multiple usage options.
Machinery & Machining Tools

Collet Chucks offer multiple usage options.

Interchangeable with Northfield 4 or 6 in. chucks, air actuated 5C Collet Chuck uses Northfield standard air feed tubes (wet or dry) and can run at speeds in excess of 8,000 rpm. All components are hardened and ground to 58/63 RC, and all diameters are ground within 1/10,000 TIR. While this chuck uses standard 5C collets, it can also accept 5C expanding collets.

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Model 625 Air Chuck
Electrical Equipment & Systems

Model 625 Air Chuck

Island Park, NY– Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, introduces their Model 625 Air Chuck. This chuck was custom-designed for a customer who had critical grip requirements regarding transmitted torque. The Mdl. 625 chuck was designed with special ID-gripping jaws used for super finishing the part. With this design,...

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Model 1000 Air Chuck
Machinery & Machining Tools

Model 1000 Air Chuck

Island Park, NY… Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, introduces their Model 1000 10-inch diameter, 3-jaw air chuck. The standard chuck normally weighs about 60 lbs. Northfield custom-designed this chuck for a customer by milling the face of the chuck, reducing its weight by 15 lbs. This lighter weight helps...

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Air Chuck features spring clamp and air open operation.
Machinery & Machining Tools

Air Chuck features spring clamp and air open operation.

Opening at < 50 psi and gripping part at constant 35 psi, Model 1070-250W features 2 jaws of hardened and ground 1018 steel with Rockwell C hardness of 58–63. Chuck has -¼ in. opening on diameter (1/8 in. opening per jaw) and is modified for spring clamp and air open, using nitrogen compressed gas springs in spring clamp mechanism. If air pressure to machine is lost, parts will not fly out and...

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Northfield Model 620W Autolube Chuck
Machinery & Machining Tools

Northfield Model 620W Autolube Chuck

Northfield Precision Instrument Corporation is a leader in the design and manufacture of precision workholding air and diaphragm chucks. Northfield manufactures precision air chucks with a guarantee of accuracy within millionths. We have come to be the precision workholding source for air & diaphragm chucks with workholding leadership in accuracy, reliability, repeatability, concentricity,...

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