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Schunk Ultra-fine balanced tool holder targets micro-machining applications
Germany – According to Schunk, for precision in the sub-micron range during ultra-precision machining, tool holders need features such as top-notch balancing.
The company said its Tribos-Mini and Tribos RM series of polygonal tool holders meet this challenge.
The tool holders are offered with HSK-E 25, HSK-E 32, and HSK-F 32 interfaces that start with a clamping diameter of 0.5mm. As an additional option, the company also offers ultra-fine balanced tool holders with a balancing grade of G0.3 at 60,000rpm.
The company said the specs meet the demanding requirements in terms of dimensional accuracy and surface quality for micro-mould making in precision sectors such as the optical, medical, watch and jewellery industries. Compared to conventional balanced tool holders for micro-machining, tool life is claimed to be significantly longer, and precision and surface finishes are beyond alternate systems.
In micro-machining, it is commonplace for extremely small, intricate and expensive tools to be used; so employing such precision tool holders will pay dividends for the end user in a short period of time. Since the mountings have no movable parts, they are mechanically resolute and ensure an almost maintenance and wear-free service life, the company said.