Flexible precision toolholder for automated tool grinding

April 29, 2015 5:41 pm

 The SCHUNK PRIMSO3 tool grinding toolholder convinces with a broad clamping range, optimised interfering contours, and a so-phisticated clamping principle. It offers optimum preconditions for fully automated production grinding and re-sharpening of tools
The new generation of SCHUNK PRISMO tool grinding toolholders promise more efficiency during production grinding and re-sharpening of tools. PRIMSO3 directly clamps every shank diameter between 3 mm and 20 mm fully automatically without using collet chucks or intermediate sleeves on the fly at a run-out and repeat accuracy of less than 0.005 mm. The tool shank is automatically centered in the toolholder during the clamping operation. An optimized interfering contour ensures a better interference between the grinding wheel and the toolholder even in case of demanding operations. “Compared with conventional multi-range grinding toolholders, the set-up time with PRISMO3 is lowered up to 70 per cent,” the company claims. “Moreover, the users don’t have to invest in intermediate sleeves and collet chucks.”
Since the X axis is independent from the tool diameter and does not change, every type of chuck jaw can remain at the same axial position, which allows unmanned machining of various drilling, reaming, and milling tools in small quantities without having to re-program the L1 dimension around the clock. Expensive additional programming and the danger of a crash are now a thing of the past.

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