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JUL/AUG 2013  

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Case Sudy: Measurement of micro tools

If you’ve never seen a 30µm thick drill, don’t worry—you can’t see one without a magnifying glass. The size of half the thickness of a human hair is the scale the company W Präzisionstechnik works on. Its high-precision five-axis milling machines produce the tiniest components with accuracy using tool laser-based measuring systems from Blum-Novotest.

Wandinger has produced metal parts with several hundred recesses, each with a diameter of 30µm, and the ball cutter used had a diameter of just 10µm. The company uses many tool laser-based measuring systems from Blum-Novotest on all its machines. Blum-Novotest manufacturers measurement and testing systems.  

The laser beam on Blum’s devices is focused, so it’s extremely thin at a particular point between the laser transmitter and receiver, according to the company. The models in its Nano NT series reach a beam thickness of just a few micrometers.


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