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Self centering 4 jaw chucks from Thame Workholding cut setting times
Self centering 4 jaw chucks from Thame Workholding cut setting times
Self centering 4 jaw chucks from Thame Workholding cut setting times
Self centering 4 jaw chucks from Thame Workholding cut setting times

Self centering 4 jaw chucks from Thame Workholding cut setting times

Added to MTDCNC by Thame Workholding on 30 January 2014

Thame Workholding will be exhibiting its new range of HWR Spanntechnik compensating 4 jaw chucks on stand 5359 at MACH. The InoFlex® chucks have a patented mechanism which automatically centres the part to be clamped within 7 microns using a single lead screw. Available for both milling and turning applications, the InoFlex® range goes from 160 - 630 mm for the type VD turning chuck and 310 - 630 mm for the type VF milling version.

To centre the part, tightening the single lead screw moves the jaws in or out as appropriate through the patented slide and lever mechanism to bring the centre of the part into the centre of the chuck. With conventional 4 jaw chucks, 4 lead screws have to be individually adjusted and the part has to be clocked to make sure it is accurately centered. Alternatively, special fixtures have to be designed and manufactured and the chuck drilled and tapped to hold the fixture before machining can commence.

The InoFlex® system lends itself to irregular shaped parts as well as round, square and rectangular shapes, saving a considerable amount of setting time, especially where single parts or low volumes are being produced. In addition, the 4 jaws apply lower and evenly spread clamping forces to the part reducing the chance of deformation on delicate workpieces, which might otherwise be damaged by excessive clamping forces - easily done on a conventional 4 jaw chuck.

Thame Workholding has a range of around 30 standard top jaws which suit the InoFlex® chucks thus enabling customers to the most appropriate jaws for their application, further increasing the flexibility of the system.

Maurice Day, Director at Thame Workholding says, 'We have been working with HWR Spanntechnik for 20 over years and this is a very exiting innovation and, as far as we are aware, there is nothing like it available on the market at the moment. The time saved by using InoFlex® will easily justify the investment, however, the simplification of the manufacturing process and the elimination of possible sources of human error will make these chucks essential pieces of equipment.'
 

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