The conditions surrounding production environment metrology place special demands on position measuring systems used for workpiece inspection in shop-floor metrology. The very principle of inductive systems involves disadvantages such as temperature sensitivity or nonlinear behavior. A length gauge recently developed by HEIDENHAIN in Traunreut, Germany, now combines the benefits of incremental optical devices and absolute measured value acquisition. Its advantages over previous position measuring systems make it an interesting alternative for shop-floor length measurement.
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