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Anca RX7SP grinds small diameter tools
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February 2008
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Anca’s RX7SP is an evolution of the RX7 CNC grinder designed for grinding cutting tools with diameters as low as 0.5 mm. Anca international marketing manager Duncan Thompson explains: “There are aspects that make grinding small tools a real challenge. Machine accuracy is obviously critical, but in addition, grinding process issues of vibration, thermal growth, wheel wear and tool runout have a much more noticeable effect. Our engineering team developed solutions to each problem that combine to produce excellent finished tools.”
New features added to the RX7 base to make-up the SP model include linear scales that increase the positioning accuracy of the axes; a 3.5 kW HSK spindle that gives both face and taper contact on the arbour for improved wheel runout and positional accuracy; iBalance software to balance the grinding wheels without taking them off the machine; precision V-block Clamp and Steady as standard to minimise tool runout and CTV software cycles to compensate for thermal expansion.
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Author
Celia Cadwallader
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