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作者：S-Blog

In the whole function of the NC machine tools, cnc cutter compensation system, the workpiece can outline the size of procedures, established after the implementation of knife - , NC system automatically calculated, knife-point automatically adjust to the cutter on the trajectory. The direct use of the workpiece size of the processing procedures, tool wear, the replacement of the processing procedures, the use of simple and convenient. NC machine tools economic structure is simple, low prices, production enterprises with a certain amount. NC machine tools in the economic system, if there is no tool compensation, in accordance with the knife-point trajectory size of the processing procedure, which requires first According outline of the workpiece dimensions and calculate the diameter cutter knife-point size of the track. So large amount of calculation, complicated and tool wear, the replacement to be re-calculated the trajectory knife-point size, re-processing procedures. Knife-parameters of a compensation tool, the corresponding compensation tool position (X and Z values) and tool radius compensation (R and T-value) a total of four parameters, in processing before input to the corresponding memory, CRT display in Figure 5 Shown. In the process of implementing automatic, cnc system by the memory of the X, Z, R, T values, automatically correct the error and Tool Increasing corner radius automatic compensation. Processing center, the CNC milling machine, tool compensation, including tool radius compensation, the compensation angle and length of compensation tool compensation. Tool radius compensation (G41, G42, G40) radius of the pre-cutter deposited in the memory HXX, XX, for the memory. Implementation tool radius compensation, the system automatically calculate NC, knives and automatic compensation in accordance with the results. Tool radius left compensation (G41) refers to the processing path programming tool bias on the left side of the direction of movement, the right tool radius compensation (G42) that tends programming tool processing tracking movement of the right direction. Cancel tool radius compensation with G40, cancelled tool radius compensation can also be used H00. Tool Centre in the need to calculate the trajectory cnc system, it is necessary to calculate and parts outline the basic point of nodes and the corresponding tool centre point and the coordinates of nodes .