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线切割技术中,保证线电极与工件之间的相对位置(即校正),大多数使用广采用预孔法,万用表法。目前国内已有一些同志搞了半自动,全自动校正装置,但除少数由微机控制的机床用软件方法得到自动校正功能外,都是从硬件入手。为了节省元件,实施方便,而能实现自动校正。我们从软件入手,利用线切割原数控台的运算表作为机器指令来实现线切割工件与电极丝相对位置的自动校正。这种方法和微机实现自动校正的方法相类似,它有以下几个特点。
Wire cutting technology, to ensure that the relative position between the wire electrode and the workpiece (that is, correction), the majority of widely used pre-hole method, multimeter method. At present, some comrades in our country have engaged in semiautomatic and automatic calibration devices, except that only a few computer-controlled machine tools are automatically calibrated. In order to save components, easy to implement, but can be automatically corrected. We start from the software, the use of wire cutting the original numerical control table as a machine instructions to achieve the workpiece wire electrode wire and the relative position of the automatic correction. This method and the computer to achieve automatic correction method is similar, it has the following characteristics.