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Compensation of Rotary Axes in a Machine June 7/8  2000   The purpose of the measurement was to test and compensate the B and C  rotary axis of a machine tool. One for a full revolution the other for  180 Deg only. Was used MCV 4000 with automatic rotary table  Software LDDM  2.31  and WinPipe 3.10 The numerical control of the machine is Siemens 840D The first measurement was taken on the C rotary axis without compensation table, the axis movement is defined +180 Deg.  The file error file generated by the LDDM analysis software after the measurement was processed software WinPipe and was automatically generated the  compensation file in the format for the CNC controller   The error before compensation is illustrated in the following fi  gure:  +3 to – 24 thousandth of deg.

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