The software of the CNC system of a machine tool, like the software of a general computer system, mainly includes two major parts, namely system software and application software. The system software includes system initialization, data management, I/O communication, interpolation operations, compensation calculations, and other special fixed subroutines. The application software is mainly for the specific process, the user-written part processing program. Due to the differences in the characteristics of the system software and user software and the tasks they undertake, their failure manifestations are also different.
1, system software failure
The fault of the system software is often caused by design errors. In the software design stage, due to the poor consideration of the system functions, the design goals are not completely conceived, and defects occur in algorithm, definition, or module interface. Once these defects are present, they will not disappear and appear to be inherent in failure. In some operating environments, this design flaw may be triggered, resulting in a software failure, which can be corrected by updating the software version. In general, high-level software often includes bug fixes in addition to the low-level version.
2, application software failure
The application software of CNC system is a part processing program compiled by the user. It includes preparation function G code, auxiliary function M code, spindle function S, and tool function T. For high-grade systems, it also includes functions such as graphic programming and parameter measurement.
The application software failure, mainly due to human factors, with a certain amount of contingency and randomness, manifested in the user program design, such as writing format, grammar or program structure errors. The causes of these errors are mainly due to the process of writing the program or the input of the program, such as inadequate understanding of system functions or poor consideration of the processing process. In addition, during the transmission and storage of the program, it is also possible to change the content of the program and cause a malfunction during operation. Such failures can be gradually reduced as the operator becomes familiar with the CNC system.
1, system software failure
The fault of the system software is often caused by design errors. In the software design stage, due to the poor consideration of the system functions, the design goals are not completely conceived, and defects occur in algorithm, definition, or module interface. Once these defects are present, they will not disappear and appear to be inherent in failure. In some operating environments, this design flaw may be triggered, resulting in a software failure, which can be corrected by updating the software version. In general, high-level software often includes bug fixes in addition to the low-level version.
2, application software failure
The application software of CNC system is a part processing program compiled by the user. It includes preparation function G code, auxiliary function M code, spindle function S, and tool function T. For high-grade systems, it also includes functions such as graphic programming and parameter measurement.
The application software failure, mainly due to human factors, with a certain amount of contingency and randomness, manifested in the user program design, such as writing format, grammar or program structure errors. The causes of these errors are mainly due to the process of writing the program or the input of the program, such as inadequate understanding of system functions or poor consideration of the processing process. In addition, during the transmission and storage of the program, it is also possible to change the content of the program and cause a malfunction during operation. Such failures can be gradually reduced as the operator becomes familiar with the CNC system.
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