DocMagnet, Inc.    Raleigh, NC 27617
May 18, 2012 Engineered for hard milling applications, DMMC-HM Permanent-Electro Magnetic Chuck has no rare-earth magnets. Instead, magnetic material that is employed facilitates demagnetizing capability which facilitates removal of hardened steel workpieces from chuck surface. Each chuck has all-steel surface and is supplied flush, without any protrusions, resin, or soft metals. System is available in any size in 4 in. width or length increments, and each pole can deliver over 1,500 lb clamp force.

Northfield Precision Instrument Corp.    Island Park, NY 11558
May 08, 2012 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.

Mate Precision Tooling    Anoka, MN 55303
Apr 23, 2012 Designed for Mate Original Style and AMX(TM) punch press tooling, RAPIDSET(TM) Canisters are suitable for punching material up to 0.250 in. thick. Units have non-rotating clamping head with adjustable clamping screw for setting punch length. Pre-loaded, self-contained spring pack provides consistent stripping pressure and consistent die penetration. Used with existing guides with or without pins, canisters offer grind life of 0.315 in. in 0.039 in. material with 0.118 in. die penetration.

BIG Kaiser Precision Tooling, Inc.    Hoffman Estates, IL 60192
Mar 30, 2012 Suited for the aerospace industry, HSK-A125 can handle large-scale titanium and other workpieces on massive tables of machines such as Makino's T2 and T4 models. Product lineup features myriad tool holder types, including HMC and Mega Double Power milling chucks up to 2 in. dia, Mega ER/Mega N/Mega E collet chucks, shrink fit holders, face mill adapters, Kaiser KAB adapters, and Mega Synchro Tapping Holders. All holders feature coolant through capability as standard.

Sandvik Coromant Co.    Fair Lawn, NJ 07410
Mar 21, 2012 Utilizing iLock fixturing system, Shrink Fit Chucks and CoroMill Plura Solid Carbide End Mills are suited for milling ISO S materials. iLock secures end mill without interfering with runout precision. This is achieved by helical grooves that are ground into shank of tool. Pin drivers mounted in chuck prevent tool from being pulled out of holder during extreme machining conditions.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Oct 03, 2011 Measuring 7 in. in diameter, Model 700 has special jaws that grip short diameter of automotive hub to drill and chamfer 5 holes. Special stop mounted to chuck face has air detect holes for part seating confirmation. Contoured and relieved, stop allows chamfering tool to break edge on banking surface of work piece.

Schunk    Morrisville, NC 27560
Jul 19, 2011 Hermetically sealed against dirt and coolant, ROTA NCS 6-jaw lathe chuck has hardened and ground functional parts for extended tool life. Active pull-down force, distributed on 6 jaws, optimizes results in terms of plane parallelism and rectangularity. Available in sizes 250, 315, 400, and 500, chuck can achieve axial run-out accuracy of less than 0.01 mm. Integrated permanent lubrication ensures constant jaw clamping force, while pendulum jaws ensure minimum deformation of workpiece.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Jul 01, 2011 Interchangeable with 4 in. chucks, 5C Collet Chucks utilize standard wet or dry air feed tubes with same bolt pattern as 4 in. models. All components are hardened and ground to 58/63 R.C. and all diameters are ground within 1/10,000 T.I.R. Utilizing standard 5C collets as well as 5C expanding collets, chucks run at speeds in excess of 8,000 rpm.

CoreTech International    Alpha, NJ 08865
Jun 22, 2011 Supporting worker safety, Pull-On Chuck automatically recognizes core, latches on, and pulls it down mandrel. In tandem with V-lifter, chuck enables single operator to safely raise, mount, and load parent core for cutting with virtually no contact with core. Chuck is operated via Allen-Bradley PLC controls, eliminating core contamination, scratches, and scuffs due to manual handling and/or contact with drive base wheels. Available on CT-10 core cutters, chuck supports cores up to 120 in. long.

Schunk    Morrisville, NC 27560
May 26, 2011 Designed for automated tool and cutter grinding, PRISMO Toolholder is based on precise clamping sleeve with prism guidance. Each of 5 chuck jaws is guided by double prism, while third prism on clamping face directly contacts tool shank. Holder always adjusts itself to individual tool diameter. At overhang length of 2.5 x D with tool diameter of 20 mm, PRISMO provides repeat accuracy of less than 0.005 mm. To avoid contamination, toolholder is rinsed with clean oil during grinding operation.

Northfield Precision Instrument Corp.    Island Park, NY 11558
May 19, 2011 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 in., and 0.060 in. jaw stroke with pull-down action (1.5 in. top jaws).

Northfield Precision Instrument Corp.    Island Park, NY 11558
May 13, 2011 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 during machining. Accuracies range from 0.001-0.00001 in.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Apr 22, 2011 Available in both SAE and metric sizes, Model DPH-500-5 chuck gives accuracy of 0.001-0.00001 in. Customizable unit features serrated jaws to enhance gripforce and axial locator with integral/air-detect function for positive loading of customer's part. Tertiary datum locator in axial locator allows parts to be twisted into position upon loading.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Mar 22, 2011 Designed to grip automotive rubber coupling drive shaft joints, Automobile Rubber Grip Chuck has small collet in center that grips 14 mm I.D. to accuracy of less than 1/10,000 in. TIR. Three extended fingers pass thru 3 bolt holes, expand, and Face Clamp only. These fingers simulate bolting flange in place as it is used in vehicles. Drive shafts are balanced from 3,500 rpm to over 6,000 rpm.

Schunk    Morrisville, NC 27560
Mar 14, 2011 Featuring hardened stainless steel base body, clamping pin, and clamping slide, VERO-S Module clamps workpieces, pallets, clamping stations, existing fixtures, and tombstones with one or more clamping pins. System features radial-aligned clamping slides that pull in clamping pin and lock it. Exact positioning is accomplished via short taper and radial location is done via diamond pin, assuring repeat accuracy of less than 0.0002 in.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Mar 08, 2011 Featuring 3 in. diameter, hydraulically actuated, internal grip Collet Chucks mount on tilting table to drill angled hole. Fixed stop pad picks up inner face of automotive work piece while chuck expands and pulls back to grip part. Chucks repeat to 1/10,000 T.I.R. and have low profile that enables 8 chucks on one table.

Schunk    Morrisville, NC 27560
Feb 21, 2011 Available for all CNC lathes in 6, 8, 10, and 12 in. sizes, with clamping forces from 12.814-32.392 lbf, ROTA NCK-plus Chucks offer max speeds of 6,000 rpm and jaw strokes from 0.108-0.208 in. per jaw. Jaw interfaces are 1.5 mm x 60° and 1/16 x 90°. With tapered clearance designed into chuck body, chucks enable additional tooling clearance and extended spindle bearing life. Precision piston guide and support minimize wear and optimize continuous clamping accuracy.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Feb 15, 2011 Designed with special top tooling, 4 in. Model 450 mounts on pallet, which installs on bed of customer's machine. Pick-and-place arm picks up parts after they are finished in front 2 chucks and transfers them to rear 2 chucks for finishing. All hosing is routed under plate for actuation of chuck's jaws. Constructed with Class 80 ductile iron body and hardened steel master jaws, chuck has max jaw opening of 0.100 in. and max recommended speed of 3,000 rpm.

Northfield Precision Instrument Corp.    Island Park, NY 11558
Jan 07, 2011 Retooled for Caterpillar, Model 470 Wheel Poppet Adapter has serrated insert pads to securely grip part during drilling. Chuck mounts on indexing head to expose both sides of part for drilling, and plates attached to sides of jaws are used as datum for drilling. One plate flexes to push part, maintaining positive contact against solid plate for location, and axial locator mounted in center with line contact eliminates possible influence over grip of part and acts as secondary datum.

BIG Kaiser Precision Tooling, Inc.    Hoffman Estates, IL 60192
Nov 24, 2010 Offering runout accuracy of .00012 in. at 5 x D, Mega ER Grip features precision notch-free nut and AA-grade ERC collet, which is in accordance with DIN6499 and ISO15488 standards and features clamping range of .075-.787 in. diameter. Contact length of internal taper of chuck body minimizes undesired overhang of collet, while tapped holes around body periphery promote precision balancing. With Mega ER Perfect Seal, coolant can be delivered through tool or to cutter periphery.