Sylvestre Perrin (left) with Craig Vickers, head of ARRK Europe's prototoyping division. (ARRK)

ARRK appoints new GM

France – Sylvestre Perrin has been appointed new General Manager for ARRK LCO Protomoule in Alby-sur-Chéran, near Annecy, France.

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Hyfore has introduced ultrasonic toolholders designed for machining hard materials. (Hyfore)
Machining

Ultrasonic machining: New toolholders for hard and brittle materials

For manufacturers faced with the challenge of machining hard and brittle materials or companies with difficulties undertaking micromachining operations, Hyfore Workholding has now introduced a new range of ultrasonic tool holders. The ultrasonic tool holders are designed for machining materials ranging from carbide and PEEK through to Zirconia, Sapphire, SiC, AlSiC, Quartz, Boron Nitride and more.

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