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Compensating for axial extension of milling spindles

Due to high machining speeds and the heat generated, the linear thermal expansion in milling spindles needs to be compensated for in order to keep the tool in a defined position at all times. The SGS sensor developed by Micro-Epsilon measures the thermal and centrifugal force expansion of the spindle. As well as measuring linear thermal expansion, the temperature of the sensor is also detected and output.