Importance

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Abstract

The invention relates to a control system of a CNC machine tool with cyclically recurring sequences. The control system has a data input and visualization unit, a machine check unit and a NC control unit with at least one stored NC program for generating movement sequences for the CNC machine. Functional data which are required for the machining of a specific work piece and which have been fed into the data input and visualization unit or selected in the unit are conveyed from the data input and visualization to the NC control unit. The machine check unit calls up function modules of the NC control program according to selected control data and by means of control codes, said function modules representing part programs, and proceeds from one function module to the next independently of its hierarchical position in the tree structure. In so doing, the machine check unit deactivates the hold commands in each function module by means of the control codes. The machine check unit takes into account the transition functions between individual function modules when switching from one function module unit to the next. The transition functions are necessary for physically initializing or loading the data for the CNC machine tool.

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First Claim