Northfield Precision Instrument Corp.
Island Park, NY 11558
Oct 07, 2009 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 jaws, 425 air chuck with sprocket face, and 450 (.0001 in. TIR) with flexing inserts.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Oct 05, 2009 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).

Northfield Precision Instrument Corp.
Island Park, NY 11558
Sep 24, 2009 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 accuracies from 0.001-0.00001 in.

Royal Products, Div. Curran Mfg. Corp.
Hauppauge, NY 11788
Aug 03, 2009 Balanced by design for high-speed operations, Accu-Length CNC Collet Chucks expand milling machine and lathe application possibilities. Units are hardened for strength and durability, and less prone to negative effects of centrifugal force than 3-jaw chucks. Master collets contain multiple keyways for fine adjustability, which is useful for second-spindle applications.

Schunk
Morrisville, NC 27560
Jul 16, 2009 Available in sizes 165, 185, 215, 260, and 315, ROTA THWplus features wedge-bar actuation system for larger through holes and optimal spindle speeds. In less than 60 sec, complete jaw set can be changed with repeatability of less than 0.0005 in. Many combinations of top and base jaws can be utilized to fit any need. To avoid damage to machine and danger to operator, actuation wrench can only be removed when jaw is properly engaged.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Jun 23, 2009 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 metric in sizes from 3- 18 in., with accuracies from 0.001-0.00001 in.

Northfield Precision Instrument Corp.
Island Park, NY 11558
May 19, 2009 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 for parts loader.

Royal Products, Div. Curran Mfg. Corp.
Hauppauge, NY 11788
May 12, 2009 With Adapter Plates, users can mount collet chucks and 3-jaw chucks to wide range of spindles. Larger chuck can be mounted on smaller spindle for increased capacity, or smaller chuck can be mounted on larger spindle for increased tool clearance and speed. For applications that produce fines and dust, Bar Seal Assembly can be fitted to Royal S-type collect chucks.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Mar 24, 2009 Designed for manufacturers of electronic and mechanical indicators, Model DPH-600 is 6 in., 10,000 rpm, totally sealed, TIR diaphragm chuck with special jaws, stop, and changeable fixtures. It enhances and increases production of machining 2 bores that guide indicator rod. Once side is machined, fixture is turned over, and second side is machined; alignment of 1/10,000 TIR is achieved bore to bore. Accuracies of 0.001-0.00001 in. is ensured.

Royal Products, Div. Curran Mfg. Corp.
Hauppauge, NY 11788
Mar 24, 2009 Offering gripping capacities from 1/64-4 in. diameter, Pullback CNC Collet Chucks are guaranteed to run within 0.0003 in. TIR. All chuck components, except drawtube connector, are hardened to Rc 61-63 for rigidity. Available in special and quick-change styles, low-profile chucks are balanced for high-speed operation and are suitable for lathe, milling machine, grinding, and mill turning applications.

MicroCentric
Plainview, NY 11803-2303
Mar 23, 2009 Available in 3, 4, 5, and 6 in. sizes for OD and ID clamping applications, manually actuated Production Milling Chucks integrate with tombstones and pallets for machining centers, milling machines, and grinders. They are clamped and unclamped on top face, enabling more chucks to be ganged together. Chucks feature 2 stage clamping; fast initial jaw stroke for large opening and primary stage to provide high clamping force.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Feb 20, 2009 Along with centered pilot for optimized accuracy and repeatability, 4 in. dia drawbar-actuated, pull-down chuck features spring-loaded funnel-shaped base that goes into chuck body with zero clearance sliding fit. Operator pushes part down into funnel, and 2 spring-loaded ball plungers hold part in place. Precision centering power air and diaphragm chucks are available for lathe and milling operations. Accuracies of 0.001-0.00001 in. are guaranteed.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Jan 21, 2009 Measuring 5 in. in diameter, Diaphragm Chuck features 1-piece hardened and ground morse taper No. 5 adapter and female morse taper No. 3 in chuck face for stops and other tooling. Unit includes internal hammer to eject morse taper tooling and changeable inserts that repeat to 50 millionths T.I.R. Chuck is suited for high-speed extreme close tolerance grinding and turning.

Big Kaiser Precision Tooling, Inc.
Elk Grove Village, IL 60007
Dec 03, 2008 Available with BIG-PLUS interface, ER16 and ER32 Collet Chucks are capable of supplying coolant through spindle or through spindle flange. Model ER16 is available in 2.5, 4, and 6 in. gauge lengths for 40 taper, and 3.5, 5, and 6 in. gauge lengths for 50 tapers, while ER32 chuck is available in 3, 4, and 6 in. gauge lengths for 40 taper and 3.5, 5, and 6 in. gauge lengths for 50 tapers. They are supplied with tool body and collet nut.

Big Kaiser Precision Tooling, Inc.
Elk Grove Village, IL 60007
Nov 17, 2008 Measuring 40 mm tall, Quick Change Clamping Chuck features standard 40 mm clamping knob that can be attached directly to workpieces or fixtures with up to 12 mm thread. It can accept Unilock clamping knobs from top or bottom side, allowing parts to be flipped upside down. Suited for high-torque applications, stainless steel chuck has profile of 150 x 100 mm, and offers accurate positioning of better than .0002 in. repeatable TIR.

FUJI Machine America Corporation
Vernon Hills, IL 60061
Jul 18, 2008 Suited for medium to high-volume production, Model PBS-300TT features rigid box way construction and 3-axis dual hand gantry robot offering carrying capacity of 6.6 + 6.6 lb and conveying diameters up to 7 x 4.7 in. Robot controller facilitates simultaneous multi-axis movement to access front, back, left, and right of traverse axis. Operating at max spindle speed of 3,000 rpm, chucker generates 20 hp at spindle motor. Fanuc 320i-A CNC with decimal positioning control is standard.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Jul 07, 2008 Modified for spring clamp air open, Model 700 features hardened and ground 4140 top jaws that grip OD of drive shaft slip yokes. Chuck jaws have excess material milled away to reduce centrifugal forces, while hardened and ground alloy steel spline driver is mounted to chuck face to facilitate loading and driving of shaft as it spins to 3,500 rpm for balancing. TIR is equal to 1/10,000, cycle time is 60 sec, and accuracies range from 0.0001-0.00001 in.

Northfield Precision Instrument Corp.
Island Park, NY 11558
Jun 20, 2008 Model 1200 air chuck incorporates precision, quick change sub-jaws. Top jaws have tre-panned groove that engages with precision ground bore of sub-jaws. As jaws are tightened, flexible tab expands into tre-panned groove, pulling jaws against ground bore and loading jaws in position with zero play. This results in top-jaw/sub-jaw connection with repeatability to 1/10,000. Chucks are stainless steel and come in 2- and 3-jaw design.

SAV North America
South Windsor, CT 06074
Apr 23, 2008 Suited for OD, ID, and face grinding and turning operations, radial pole chucks feature solid top plate, comprised of steel and brass material, that promotes rigidity and minimizes wear. Products range in size from 6-16 in. dia, with profiles from 2.2-2.9 in., and also come in custom sizes. They offer uniform holding force of 145 lb/in.² and can have central through-hole. Workpieces suited for these chucks are ring-shaped parts, such as bearing races.

Schunk
Morrisville, NC 27560
Apr 03, 2008 Suitable for clamping of thin-walled and easily deformed components, ROTA NCR 6-Jaw Power Chucks each consist of central chuck piston with 3 inner pendulums positioned at 120°. Each pendulum is connected to 2 base jaws, so workpiece is centered between 6 contact points, which can be adjusted in pairs. Offered in 165, 200, 250, 315, 400, 500, 630, 800, 1,000, and 1,200 mm sizes, chucks can be employed on virtually all lathes and are also available with centrifugal force compensation.