Among the various characteristics of CNC machine tools, thermal characteristics are an important mechanical characteristic, which has a crucial influence on the machining accuracy and transmission condition of the machine tool, and its influence gradually increases as the speed increases. When the CNC machine tool is running at high speed, the radiant heat components such as the motor, the headstock and the hydraulic system, and the cutting heat and motion words are relatively more. Due to the large amount of program, the simulation is slow when running. At this time, the repeated Chinese characters can be used. Automatic programming is performed separately, divided into several subroutines, and called separately as needed.
5 Conclusion In this paper, the MasterCAM software is used to carry out coal mine mechanical sign engraving. Using this software to realize engraving processing, it is not necessary to use a special engraving machine. In the ordinary CNC milling machine or machining center, graphics or text engraving can be realized. And technical capabilities, for general small and medium-sized enterprises, PC-based MasterCAM engraving has broad development prospects. The secondary elements also need to be frictional to generate heat, which causes the machine parts to be thermally deformed. The important parts of the machine tool such as the main shaft, the guide rail, the column, the bed, the table and the tool holder are subject to greater thermal deformation, so the machining is performed. Precision and stiffness play an important role. According to the test results, the relationship between temperature distribution and thermal error of machine tool spindle assembly is analyzed, and the support vector machine prediction model is established and the least squares support vector is verified.
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