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Chucks and collets for rotational work
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Four-jaw large bore independent chuck introduced
Among a range of large chucks which gives the user minimum set-up times and maximum gripping force Prat Burnerd has introduced a large bore four-jaw independent chuck.
News from Pratt Burnerd International ( 7 May 2008)
Long stroke power chuck grips varying diameters
Pratt Burnerd International has developed an extra long stroke chuck, with a 32mm jaw movement, that grips large cylindrical workpieces having varying diameters.
News from Pratt Burnerd International ( 6 May 2008)
Chucking lathes can perform collet-precision work
Hardinge's Workholding Division has introduced said that its Collet Adaptation Chucks adapt any lathe spindle to accept a wide variety of collets.
News from Hardinge Machine Tools ( 1 May 2008)
Jaws grip finish machined surfaces safely
To clamp finish machined components without damaging the surface finish, fibreglass jaws provide a powerful hold with maximum protection of the surface. Brochure available
News from Schunk Intec (20 February 2008)
Self-contained collet chuck takes larger parts
A self-contained collet chuck works with standard B60 collets, offering more options for collet chuck users to machine larger sizes of parts.
News from Jato Precision ( 9 January 2008)
Live and dead centres support large parts
For turning, boring or grinding large rotational pats, a seies of live and dead centres an be selected according to machine rev/min, machine type and accuracy considerations.
News from Pratt Burnerd International (25 December 2007)
Manual chuck clamps large parts quickly
A forced release on a manually-operated chuck that offers better holding power allows a mandrel-in-the-chuck, as well as the jaw adapter to be screwed on in just two minutes.
News from Hainbuch GmbH (28 September 2007)
Large, precision chucks are up to 1m size
Large chucks - up to 1m - are now being produced for high quality, high accuracy turning, providing minimum set up times, maximum gripping force and ease of use.
News from Pratt Burnerd International ( 6 September 2007)
Quick-change collets improve productivity
Quick-change collets help improve productivity, increase manufacturing flexibility and deliver greater process reliability for single- and multi-spindle automatic production lathes.
News from Hardinge Machine Tools (23 August 2007)
Collets offer quicker lathe changeovers
A range of quick changeover, flexible collets can accommodate bar stock variation and provide the opportunity for increased spindle speeds.
News from Hardinge Machine Tools (14 August 2007)
Power chuck converts lathe to semi-automatic
For use with lathes that do not have a hydraulic system, a power chuck has its own in-built cylinder and will convert a manual lathe into an automatic or semi-automatic one in a few minutes.
News from Jato Precision (30 July 2007)
Hydraulic chuck gains in simplicity, lowers cost
A hydraulic power chuck, to be shown at EMO, uses a single conventional hydraulic cylinder, so is claimed to be simpler and substantially less expensive than other 2+2 systems currently available.
News from Pratt Burnerd International (26 July 2007)
Free workholding catalogue and CD
Jato Precision offers free chucks air cylinder workholding catalogue and CD.
News from Jato Precision (16 July 2007)
Diaphragm chuck eases fragile part machining
Holding a fragile workpiece without dmaging or distorting it has always been a problem, now a self-contained diaphragm chuck has a built-in air cylinder to provide better grip control.
News from Jato Precision (15 June 2007)
Collet chucks grip and hold tight tolerances
A reinforced collet chuck body and clamping nut deliver exceptional stability and a ground trapezoidal thread ensures absolute centering of the clamping nut on the chuck.
News from Command Tooling Systems (15 June 2007)
Low cost replacement chuck proves popular
User application article Low cost replacement chuck is designed and developed to provide a cheaper alternative to imported power chucks and is proving its worth through booming sales.
News from Pratt Burnerd International (24 May 2007)
Power collet chucks help automate CNC lathes
Self-contained power collet chucks have a built-in air cylinder making them ideal for automating CNC lathes and converting manually operated chucks to a power chucking.
News from Jato Precision (21 May 2007)
Cylinder-integrated collet chucks extended
Jato Precision has released its JAP207-B42 Cylinder-integrated Collet Chuck, completing JAP200 Series Cylinder-integrated Collet Chuck product line.
News from Jato Precision (10 May 2007)
Thin-walled workpieces are chucked carefully
Six-jaw power chucks have jaws that oscillate in pairs and this guarantees that centring pre-machined and noncircular components can be achieved with optimum accuracy. Brochure available
News from Schunk Intec (13 April 2007)
'Collet jaw' chuck speeds lathe changeovers
The collet-jaw capability of a lathe chuck having a 'wedge bar' actuation system avoids the lengthy time loss involved when changing, say, from a chuck to a collet. Brochure available
News from Schunk Intec (24 January 2007)
Expanding collets solve difficult machining jobs
If it is not possible to grip a workpiece on its outside diameter in a lathe, an expanding collet gripping the job internally may be the answer.
News from Hardinge Machine Tools (15 December 2006)
Extra long stroke chucks added to range
Extra long stroke chucks - for components requiring a large jaw opening - and complementary product enhancements have been added to power chuck ranges. Brochure available
News from Kitagawa Europe (27 November 2006)
Collets ordered on-line get 20% discount
On-line workholding and machining equipment supplier has announced a 20% discount offer on all new orders for collets placed before the end of 2006. Brochure available
News from 1st MTA (1st Machine Tool Accessories) (20 November 2006)
Cylinder-integrated diaphragm chuck
JATO Precision has launched its JAP100 Cylinder-Integrated Diaphragm Chuck to the international market.
News from Jato Precision (26 October 2006)
Three-jaw chuck takes collet or arbor
Device that enables a three jaw lathe chuck to be equipped with a collet chuck or an expansion arbor gives the fast changeovers, modular centre sleeve and bayonet connection. Brochure available
News from Schunk Intec (24 October 2006)
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