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EXPANDING MANDRELS AND EXPANDING COLLETS
I. D. WORKHOLDING

I.D. WORKHOLDING AS AN ALTERNATIVE TO O.D. WORKHOLIDNG!

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What is and expanding mandrel or expanding collet?

These expanding  mandrels and expanding mandrel collets are  high quality 5C expanding collets, 2J expanding collets, 16C expanding collets, B40 exapanding collets, B60 expanding collets, 3j expanding collets and other special sizes with diameter capacities of 3/8" to 6" and expandable lengths from 3/8" to 3".   They are designed for use with standard air collet or hydraulic cylinders or other collet fixtures. Expanding collets hold on the inside diameters or inside dimensions of workpieces.

The exanding collet provides an expanding member to locate and hold work from the inside, using your present 5C, 16C and 3J, B40, AND B60  equipment - lathes, milling machines, grinders, fixtures, etc. with no extra attachments. Accuracy within .0005 is not unusual on concentricity and the expanding collet enables you to hold close shoulder tolerances.
  • Requires no special adapters
  • Rigid one piece body construction
  • Actuated by machine draw tube or collet fixture
  • Available from 3/8 to 6 diameter
  • Available from 3/8 to 3 expandable length
  • Available in dead length designs
  • Special expanding collet configurations available
  • Internal collet chucking
  • Economical and accurate
How are the expanding collets used?
The expanding collet is inserted into the spindle of your machine and it's threaded draw bar until the 5c or 16c taper seats. The conventional movement of the draw bar will expand and release the clamping member.".

The  taper on the collet, once seated, on dead length collets there will be no variation of work part length if i.d. varies.  The expanding collet may be removed and replaced in a machine without affecting its accuracy as with any standard collet.  The expanding collet can operate with the spindle moving.

Expanding collets may be transferred to any machine using standard 5C, 16C,  3J, B40,or B60 collets.  Therefore, it may be switched from machine to machine for use in turning, grinding, machining, drilling, milling, etc., saving valuable time.

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OTHER WORKHOLDING RELATED WEBSITES:

WWW.AIR-CHUCKS.COM WEBSITE DEVOTED TO SELF-CONTAINED AIR AND HYDRAULIC CHUCKS

WWW.ECOLLETCHUCKS.COM

WEBSITE DEVOTED ENTIRELY TO COLLETS AND COLLET CHUCKS
WWW.ECOLLETS.COM WEBSITE DEVOTED TOTALLY TO PRECISION COLLETS
WWW.E-JAWS.COM WEBSITE DEVOTED ENTIRELY TO CHUCK JAWS OF ALL TYPES.
WWW.FINDCENTERS.COM WEBSITE DEVOTED ENTIRELY TO LIVE AND DEAD CENTERS 
WWW.J-LOC.COM QUICK CHANGE CHUCK JAWS,  QUICK CHANGE MILL VISE JAWS AND EXPANDING MANDREL COLLETS
WWW.LATHE-CHUCKS.COM WEBSITE DEVOTED ENTIRELY TO FINDING ACCURATE LATHE CHUCK INFORMATION.
WWW.MILLVISES.COM WEBSITE DEVOTED ENTIRELY TO CHOOSING THE CORRECT PRECISION MILL VISE.
WWW.WORKHOLDING.COM MANUAL AND POWER CHUCKS, COLLET CHUCKS, VISES, TOOLING COLUMNS AND MORE!

QCS WORKHOLDING LLC
10635 TOWER OAKS BLVD. SUITE E
HOUSTON  TX   77070
VOICE  281-664-1020
FAX   281-664-1026




 

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