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CNC Machining - Swiss Turning or CNC Swiss Turning
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Swiss turning gets its name from the original application for this type of machine which was production of very small, finely detailed screws and shafts for the Swiss watch making industry. Small component turning is probably the best known application for swiss turning. However, swiss turning is also a cost effective method of CNC turning larger components up to 100mm in diameter at incredibly fast speeds.
A CNC swiss style lathe is much like a regular CNC lathe except they are much smaller and are made to run a very high speeds and machine to tight tolerances. Cutting is typically carried out by using dies rather than single point cutting tools. Threading on a swiss turning machine is typically carried out using a technique called thread whirling. Thread whirling is used to produce burr-free threads very quickly, even down to very small micro-threads. Modern Swiss style lathes are fully automated and are capable of producing thousands of parts in a very short time.
Applications for Swiss turning include producing very small pins, screws and shafts to a very high degree of accuracy. Some example products are: hearing aid screws, surgical pins, watch shafts and screws, small poppet valves, shafts and axles for micro-machines, and orthopedic bone screws.
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