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Research on Machining Technology of Ceramic Broken Body Engraving Based on Numerical Control Technology-5

Views: 32     Author: Site Editor     Publish Time: 2024-07-25      Origin: Site

Research on Machining Technology of Ceramic Broken Body Engraving Based on Numerical Control Technology-5

Processing example

In order to further clarify the advantages of CNC based ceramic body engraving processing technology, the following takes ceramic body relief as an example, through the selection of tool processing path, relief processing mode, generating tool path files, expounds the actual engraving process of ceramic body, and defines the application path of CNC technology in ceramic body engraving processing. To demonstrate the technical advantages of numerical control technology in the work of ceramic billet.

Before the actual operation of the horizontal three-axis engraving machine, it is necessary to fix the ceramic billet on the rotating workbench to ensure that the shaft of the billet work piece coincides with the rotating axis of the X-axis, and set the processing coordinates to clarify the actual scope of the engraving processing, and then reverse modeling of the ceramic billet, so as to complete the preparatory work of CNC engraving of the ceramic billet. In actual operation, the first is the choice of tool processing path. Because of the commonly used engraving processing cutting methods are divided into two kinds of line cutting and ring cutting. Among them, line cutting means that the tool is processed along the straight line direction, and ring cutting means that the tool is sequentially processed along the outline. Because the line cutting in the actual engraving often appear round-trip processing, alternately appear up-milling and up-milling; The cutting process of the milling cutter often maintains a state, although the processing accuracy is high, but the time consumed is too long. And because the up-milling and up-milling have little effect on the quality of the processing, and the relief work of the ceramic body is often completed at one time, the line cutting mode is basically used for most of the ceramic body relief. The cutting path of the line cutting method is a group of parallel lines, and each cutting path is parallel, and the NC program segment is less, which is conducive to improving the processing efficiency. In this application, the line cutting method mainly adopts a one-way cutting method, that is, the tool cuts in the same direction to complete the cutting feed operation, to the end, lift the tool to a safe height, and quickly return to the direction of the tool, with a fixed up-milling and up-milling law to ensure the surface quality of the cutting. Secondly, lead the cutting tool processing path after the selection is completed, it is necessary to further select the processing method of relief, because the relief model of the ceramic body is selected as "flower and bird", so before processing, first, it is necessary to set the X, Y and Z values of the ceramic body. At this time, it should be noted that the X and Y values of the billet must be the same size as the three-dimensional model established in the computer.The Z value is set according to the model parameter Hmax, and the X, Y and Z dimensions are 130×130×4mm. Second, the processing parameters need to be set. Because the ceramic body relief processing area has been set to 100×100mm vector area, so the overall processing parameters are as follows: spindle speed 20000r/min, feed rate 2000mm/min, cutting speed 600mm/min. Finally, the tool path file is generated. Because the tool path file is a variety of processing parameters in the tool path processing strategy and tool operation, such as line spacing, down cutting step spacing, spindle speed, etc., according to the requirements of CNC engraving machine tools, the output format of the tool path file can be mainly *.tap, and the file is imported into the Mach3 software to summarize the tool processing data for the same batch of ceramic body engraving in the later period. Improve engraving efficiency.


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