Northfield Precision Instrument Corp.

Sliding Jaw Chuck holds multiple parts.
Machinery & Machining Tools

Sliding Jaw Chuck holds multiple parts.

Model NF-800 includes set of hardened and ground subjaws and 2 sets of inserts. Subjaws are designed to accept inserts, making chuck capable of holding multiple parts and enabling quick change-over from one part to next. Subjaws were ground in place to allow for optimized accuracy and repeatability with better than .0001 TIR.

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Machinery & Machining Tools

Model 470 Air Chuck

Island Park, NY... Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, introduces their standard Model 470 2-jaw sliding-jaw Air Chuck with highly specialized top tooling. This tooling was developed in conjunction with our customer to allow side-loading of their part (not shown) into the very center of the small cylindrical insert...

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Double Diaphragm Chuck With Extreme Accuracy
Machinery & Machining Tools

Double Diaphragm Chuck With Extreme Accuracy

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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Machinery & Machining Tools

Sliding-Jaw Air Chuck features specialized top tooling.

Intended for lathe applications, 2-jaw Model 470 enables side-loading of parts into very center of small cylindrical insert pads, which are changeable and held on-center to chuck's OD within subjaws to accommodate different part sizes. Subjaws have large milled pocket, to clear part. When mounted on spindle, chuck meets accuracy/repeatability of .0001 in. TIR or better.

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Model 450 Custom-Designed Chuck
Machinery & Machining Tools

Model 450 Custom-Designed Chuck

Island Park, NY... Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, retooled their Model 450 chuck for Caterpillar. The part (shown being gripped in the chuck) is a Wheel Poppet Adapter . This chuck has special serrated insert pads to securely grip the part during the operation where they are drilling the holes on the side of the...

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Special Model 6100 Air Chuck
Machinery & Machining Tools

Special Model 6100 Air Chuck

Island Park, NY... Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, introduces their special Model 6100 3-jaw air chuck. With .0005 T.I.R., this chuck has a 6.42 inch diameter with a 1 inch jaw stroke (.500 per jaw). The chuck was designed with special jaws to grip the customer's sprocket. This chuck requires special jaw blanks...

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Machinery & Machining Tools

Precision Diaphragm Chuck features 6-jaw design.

Measuring 6 in. dia, Model DPH-600W employs special jaws and stop to grip plasma welding nozzle. Stop has six .040 in. dia air detect holes for part seating confirmation, and chuck is counterbalanced to maintain exact jaw for up to 6,500 rpm. Along with respective radial and axial accuracies of 0.000020 and 0.000010 in. TIR, product offers max speed of 10,000 rpm, standard chucking range of 0-4.8...

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Coolant Airblast Air Chuck grips hole saw blanks.
Architectural & Civil Engineering Products

Coolant Airblast Air Chuck grips hole saw blanks.

Model 627w (.0001 TIR) 6 in. dia., coolant/air blast thru, 2-jaw air chuck, with 1 in dia. counter bore for tap clearance, provides workholding package to grip hole saw blanks for turning and tapping. Sub-jaws have 2 bullet nosed pins that will grip blanks between 2 holes, and -¾ in. wide jaws fit between 2 hardened and ground full circle segments mounted to chuck face to support workpiece...

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