ATS - Alignment Turning Stations for the High-Precision Machining of Mounted Lenses

The ATS (Alignment Turning Station) is a family of high-efficiency alignment turning stations for use in production that are easy to operate thanks to their user-friendly software and in spite of their versatility. Controlling all operating steps in one process enables the safe production of high-performance lens systems. Not only does this make manufacturing more accurate and significantly faster, it also results in more robust finished products that are better equipped to withstand conditions such as temperature fluctuations and shocks.
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[@KhushalBadhan]

What about possibility of scratching the lens with the metal chips?