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EROWA workholding systems very versatile and may be used for various applications. Pallet sizes, retaining force and positionning accuracy are features to consider.
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Static hydraulic gripping units Ø 80 - 315
■ static cylinder + chuck units
■ closed center chucks type CL/AN/AL
Application/customer’s benefit
Gripping units designed to suit special purpose machines and transfer lines Also used as loading chucks to handle workpieces
Technical features
Fully independent static hydraulic gripping unit with the possibility to equip the actuating cylinder with different kinds of chucks, 2 or 3 jaws, long or short stroke, serrated or tongue & groove master jaws
Aluminium cylinder housing connected to the closed center power chuck with a steel flange
The cylinder needs a constant oil feed during clamping operation
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Automatic self-centering clamp-down chuck with sealed body system U-ASA II with 3 or 6 jaws linked by 2+2+2
For clamping of disks, drums, hubs, shafts, serrated crowns, differential housings and other mechanical components performed in mass production in the automotive industry.
Sizes from dia.200 up to 900 mm.
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ISVG4100
The simultaneous presetting and clamping of tools has been implemented consistently in this high-end system. After the actual dimension is set, the tool is shrunk to the required dimension fully automatically. The system is designed so that other conventional clamping systems (e.g. draw-in collet chucks) can be preset. The extremely stiff total construction guarantees high setting accuracies.
Ø3-Ø50mm
ISG3200
The universal shrinking system for the professional use of the shrinking technique. With the unique coil changing system the energy coupling is adapted optimally to the die chuck used in each case. This enables the smallest tool dimensions (5-50 mm) in HSS and even down to 3 mm in HM to be clamped. Four integrated fans facilitate the fast and uniform cooling of the die chuck.
: Ø3-Ø50mm
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Forkardt Index
Indexing chucks are intended for use where the customer needs to machine several axes on the same work piece. Used primarily in turning operations, the index chuck provides the customer extensive savings in setup reduction
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ITW Workholding offers a wide range of diaphragm chucks used in finish turning / hard turning and grinding applications. If you need a standard diaphragm chuck or a special designed diaphragm chuck, ITW Workholding can meet your needs. Product offered include:
Woodworth Pitch Line Diaphragm (shown) - This chuck offers quick change jaws for less than 5 minute part changeover. Used where a limited amount of gears are manufactured.
Woodworth Universal Gear Diaphragm - The best chuck for turning or grinding gear inside diameters, over a wide range of parts. Can be designed to meet your needs.
Woodworth shell style diaphragms - Used in grinding and some finish turning applications, the Woodworth shell diaphragm offers long life and high accuracies. Offered in standard and special designs. (See Pride Engineering Video for an example of the Woodworth Dovetail Diaphragm)
Sheffer style flat diaphragm - The sheffer style diaphragm is used in secondary turning applications and is designed and built to suit your process.
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VC Quick change Jaw system VC
The quick change jaw system VC is as simple in handling as effective in reduction of the set-up time. In spite of the same repeatability and less space requirement - compared to general mounting systems - very high clamping forces are permitted as well. Therefore, this quick change jaw system in connection with a high-quality chuck represents an economic problem solution to improve productivity.
Advantages at a glance:
- Jaw change within seconds
- For I.D. and O.D. clamping
- Jaw change system easily to be realised automatically
- Best repeatability
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ITW Workholding offers N.A. Woodworth and Forkardt special design workholding. Using both product offerings, ITW Workholding can design workholding to handle your turning, milling or grinding process.
To provide you with a quote, please supply part print, all process information including:
Type of process (turning, milling, grinding)
Type of machine
Surfaces being machined
Preferred actuation
Quantity of chucks required
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ITW Workholding provides a ride range of collet chucks to suit your turning / milling / or grinding needs. Used in both rotating and non-rotating applications, we can design and build a collet chuck to suit your process.
IDEAL FOR Transmission, Gear Box and Gear Manufacturers.
STANDARD FEATURES:
* High RPM
* Stock Standards
* Sealed Collet Design
* Multiple machine mounts available.
* Easily modified for special Applications.
* Modular design allows interchangeability.
* Fixed Endwise Location
* High Gripping Force
* Pull Back Design
DESCRIPTION:
* Sealed Leaf Style Collet
* Drawbar/tube Actuated
* Conical Taper Mechanism
IDEAL FOR:
* 2nd & 3rd Operation
* Machining Center Applications
* Pallet Fixtures
* Tombstones
* Robot End effectors
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The N.A. Woodworth Tork-Lok collet line offers flexibility and affordability, with much of the product available from stock. The Tork-Lok Arbor locates straight and tapered holes on ture center within .0005 T.I.R. These arbors feature patented inclined flats that provide full arbor / collet contact throughout the range of operation for highest accuracy and torque transmission. Features include:
- Flat surfaces are in constant contact on both expansion and contraction, providing higher accuracy.
- Precision mated flats provide for greater torque transmission .
- Built in safety stops control both expansion and contractions, thereby reducing collet breakage
- Metal to metal contact excludes foreign matter which in turn reduces wear and assures accuracy
- Preload features assures easy part removal
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N.A. Woodworth introduces a new twist on the industry leading UBL power chuck. This six-jaw design incorporates a new counter-centrifugal mechanism that allows the chuck to rotate at higher speeds with minimal jaw force loss.
* 12 Points of Equalized Force Distribution
* High RPM capability
* Completely Sealed Design
* Increased Output Sensitivity for Thin Wall Applications
* Differential Chucking Capabilities (use with ITW variable port cylinder)
* Centralizing and Compensating Models
* O.D. and I.D. Versatility
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ITW Workholding offers a wide range of power chucks for special design applications. Products include:
Woodworth UBL (shown) - This is a ball chuck with offers pull down gripping. Available in centering and / or compesation style. The UBL provides 6 points of contact (3-jaw model) using jaws that conform to part differences
Woodworth ECC - This 6-jaw equalizing, counter centrifugal, chuck is used in applications where part tolerances are very tight. Where most chucks offer a 3 to 1 grip force ratio, the ECC offers a 2 to 1. This means you can have finer adjustments for grip force. Also, the standard feature of the counter centrifugal force compensation means you can run at higher speeds with less grip force loss.
Collet Chucks - Used in 2nd operation turning, ITW Workholding designs and builds special collet chucks which offer a wide range of solutions to your turning, milling or grinding requirements.
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Jaws for ALL brands of chucks
Hardinge Sure-Grip Power Chucks are lever-operated, counter-centrifugal and dynamically balanced. This enables you to continually operate your CNC lathe at higher spindle speeds and feed rates with less concern for loss of jaw force normally associated with wedge-style chucks.
Sure-Grip Power Chucks mount directly to ANSI A2-4, A2-5, A2-6 and A2-8 spindles, eliminating the added tolerance buildup when using special adapter plates. Sure-Grip Power Chucks come standard with 1.5mm x 60 serrated master jaws designed to ISO specifications. Quick-change chucks available.
Hardinge manufactures a complete line of jaws for all brands of chucks.
Buy Collets, Collet Chucks, Chucks, Tool Holders and Rotary Products online at www.shophardinge.com
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Hardinge is the world's largest manufacturer of spindle tooling. With over a century of experience, we are your trusted partner for all workholding applications. Hardinge collets are renowned for their accuracy and durability with the best total indicator reading (TIR) in the industry. Let Hardinge solve your workholding problems such as hard-to-grip shapes and surfaces, part length control, thin-wall turning, etc.
Hardinge manufactures and stocks collets for ALL brands of lathes, automatic screw machines, rotary transfer machines and turret lathes in various sizes and shapes. We also specialize in custom manufacturing.
Buy Collets, Collet Chucks, Chucks, Tool Holders and Rotary Products online at www.shophardinge.com
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Hardinge FlexC™ Collet Systems are flexible, sealed collet heads that interchange in seconds and are available with spindle mounts for all brands of CNC lathes.
Pull-back thru-hole, pull-back stationary stop and push-to-close dead-length® styles are available for main and sub-spindle CNC lathe applications. Hardinge FlexC collet heads are fully interchangeable with competitor’s models. Hardinge guarantees accuracy within .0004" (.010mm) TIR for the collet system models A and D, and .0008" (.020mm) TIR for style DL.
The changeover concept is simple using a manual wrench to compress the collet for quick removal or replacement in seconds. A typical FlexC collet head has a gripping range of .020" (.5mm) above and below its nominal size to allow variation in bar stock without having to change the collet. Parallel clamping minimizes stock "push back" and requires less draw bar force to achieve the same gripping capability as conventional collets.
Emergency collets are reusable. Standard hardened and ground collets are stocked in round smooth, round serrated and hex shape. Square sizes are made to order. Special applications including stepped holes, special shapes, off-center, etc. can be custom-made from stock blanks.
Purchase FlexC collet systems online at www.shophardinge.com
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Need collet capability on your jaw chuck lathe? Hardinge HCAC Collet Chucks offer collet capability for higher precision and accuracy when you need it.
Increase productivity, capability and control when compared to 3-Jaw chucks:
- Faster job changeover using collets
- Higher spindle speeds for reduced cycle times
- Larger work envelope
- Achieve higher precision
- Improved concentricity for optimum part roundness
- Exact part length control
- Interchangeable Style "S" master pads accommodate a wide range of workpiece sizes and configurations
Buy Collets, Collet Chucks, Chucks, Tool Holders and Rotary Products online at www.shophardinge.com
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Hardinge continues to expand their line of European-style collets to meet the increased demand from multi-spindle machine owners around the world. Hardinge will manufacture and inventory solid collets, master collets & pads, solid feed fingers and master feed fingers & pads. They will fully support Euroturn, Gildemeister, Index and Schütte machines with 24-hour shipping of standard fractional and whole metric sizes. Decimal sizes and products for other brands of machines will be available within a 5 to 7 day delivery. Hardinge will offer a semi-finished blank program for pickoff burring collets and special-shape collets for fast turnaround. “Hardinge will strive to be the supplier of choice for collets, feed fingers and pickoff collets for the automatic multi-spindle machines,” states Cal Macomber, Director of Sales and Marketing for Hardinge Workholding Group.
Hardinge stocks spindle tooling for automatics, turret lathes and rotary transfer machines. Buy collets, feed fingers, pads and quick-change collet systems online at www.shophardinge.com.
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Hardinge Sure-Grip Power Chucks are lever-operated, counter-centrifugal and dynamically balanced. This enables you to continually operate your CNC lathe at higher spindle speeds and feed rates with less concern for loss of jaw force normally associated with wedge-style chucks.
Sure-Grip Power Chucks mount directly to ANSI A2-4, A2-5, A2-6 and A2-8 spindles, eliminating the added tolerance buildup when using special adapter plates. Sure-Grip Power Chucks come standard with 1.5mm x 60 serrated master jaws designed to ISO specifications. Quick-change chucks available.
Hardinge manufactures a complete line of jaws for all brands of chucks.
Buy Collets, Collet Chucks, Chucks, Tool Holders and Rotary Products onlinline at www.shophardinge.com
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Hardinge Swiss-type Collets are ground to precise size and TIR to meet precision machining requirements with a standard accuracy that rivals the industry! Every collet and guide bushing is inspected on a Hardinge Super-Precision (.000015" TIR) headstock before reaching the stockroom.
Hardinge manufactures to Swiss quality for all brands of Swiss-style machines and cam-operated lathes. Extended-Nose Collets feature added nose length, flat or tapered, for doing pick-off work or to compensate for tooling interference. An Emergency Collet can be machined to the desired bore size. Emergencies are also available in extended-nose for added nose length.
Hardinge round Swiss Guide Bushings are carbide-lined to keep the stock clean and unmarked. Specials are available in hardened steel, Meehanite lining, angular & zig-zag slotted and extruded shapes. Escomatic counter collets and guide bushings can be manufactured to order. Hardinge also carries bar loader collets.
Buy Collets, Collet Chucks, Chucks, Tool Holders and Rotary Products online at www.shophardinge.com
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