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Kel Vista universal grinder fulfils multiple roll at The Engineering Quest
Kel Vista universal grinder fulfils multiple roll at The Engineering Quest

Kel Vista universal grinder fulfils multiple roll at The Engineering Quest

Added to MTDCNC by Hardinge Jones and Shipman on 23 July 2015

Precision finish grinding to demanding tolerances in some of the hardest workpiece materials available has led to investment in a seventh Kellenberger grinding machine by Milton Keynes based The Engineering Quest.

Quest offers a comprehensive range of realisation assessment, prototyping, product development and manufacturing services, working with customers across a diverse range of industries on products ranging from high pressure diesel pump parts to gas and oil components, prosthetics and oil field equipment.

Common denominators across Quest’s activities are meeting very high tolerances, sub-micron accuracies and challenging materials which can include HSS steel grades with a hardness in excess of 70 Rockwell, polycrystalline diamond and aluminium-silicon castings.  

The company has a long history of operating Kellenberger manual and CNC internal and external grinders which are supplied and supported in the UK by Jones & Shipman Hardinge based in Leicester.

Delivered in December 2014 the latest machine – a high specification Kellenberger Kel Vista with triple wheel head options fitted – has been initially dedicated to development work on 3000psi capability high pressure diesel injector pumps.  The Engineering Quest has developed these with Woodward Diesel Systems for use on mid-range diesel engines used in marine and construction equipment applications. And having the capability to undertake medium batch production work, the grinding machine will now be applied in this area.

The Kel Vista is a highly productive and capable universal grinding machine with a programmable B axis indexing to 1º as standard to allow up to two external and one internal grinding wheel to be used in the same set up. Micro-adjustment of the tailstock and semi-automatic balancing of the grinding wheel are just two more of its many features.

Construction wise it features linear guides on the X axis, a classical side arrangement on the Y axis, a grinding length between 600 and 1000mm and a swivelling work head suitable for grinding between centres or chucking work with thermally optimised bearings to guarantee highest roundness and dimensional accuracy.

These features and others were instrumental in The Engineering Quest’s purchasing process as managing director Steve Matheron explains;
'We offer a very different range of services to those offered by other subcontractors. We actively encourage customers to see us as their product development partner offering component manufacture, process expertise and cost avoidance planning,' he explains.

'Specifically we added the Kel Vista to our grinding inventory because of the diesel injector project and the move into the production manufacturing phase.  But of course it has great all round capabilities and will complement any number of other projects we are working on.

'Having worked through the development and proving stages on the diesel pump components it was important to have the capability and capacity to progress into production volumes.

'This in turn necessitated we have a grinding machine offering absolute repeatability bearing in mind the tolerances of 2 micron geometric and 5 micron linear while maintaining production speeds,' he explains

Winterthur Technology is the preferred grinding wheel supplier to The Engineering Quest and coupled with the qualities and grinding process flexibility offered by the Kel Vista, the company feels it is achieving a good balance between high precision, excellent repeatability and productivity for production capacity.

For further information on Kellenberger grinding machines and other Hardinge Grinding Group machines available in the UK through Jones & Shipman Hardinge visit www.jonesshipman.co.uk

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