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What are the main functions of CNC milling machines?

hbfsfagtr 於 2021-10-29 10:56:33 發表  |  累積瀏覽 135

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Main functions of CNC milling machine
1) Point position control function The point position control of the CNC milling machine is mainly used for hole processing of workpieces, such as center drill positioning, drilling, reaming, countersinking, reaming and boring and other hole processing operations.

2) Continuous control function through the linear interpolation, circular interpolation or complex curve interpolation movement of the CNC milling machine, milling the plane and curved surface of the workpiece.

3) If the tool radius compensation function is programmed directly according to the contour line of the workpiece, cnc milling service,the actual contour line will be larger by one tool radius value when machining the internal contour of the workpiece; when the external contour of the workpiece is processed, the actual contour line will be smaller by another tool radius value. Using the method of tool radius compensation, the CNC system automatically calculates the tool center trajectory, so that the tool center deviates from the contour of the workpiece by a tool radius value, thereby processing a contour that meets the requirements of the drawing. Using the tool radius compensation function, changing the tool radius compensation amount can also compensate the tool wear amount and machining error, and realize the rough machining and finishing of the workpiece.

4) The tool length compensation function changes the compensation amount of the tool length, which can compensate the length deviation value after the tool is changed, and can also change the plane position of the cutting process to control the axial positioning accuracy of the tool.

5) The fixed cycle processing function uses fixed cycle processing instructions to simplify the processing procedure and reduce the workload of programming.

6) Subroutine function If the part of the workpiece with the same or similar shape is processed, write it into a subroutine and call it by the main program, thus simplifying the program structure. The function of quoting subprograms makes the processing program modular, which is divided into several modules according to the working procedures of the processing process, which are respectively written into subprograms, which are called by the main program to complete the processing of the workpiece. This modular program is convenient for processing debugging and optimizing processing technology.

7) Special functions: Configure profiling software and profiling device on the CNC milling machine, use sensors to scan the physical object and collect data, and automatically generate NC programs after data processing, so as to realize the profiling processing of the workpiece and realize the reverse processing engineering. In short, after configuring certain software and hardware, the use of CNC milling machine can be expanded.


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