According to the technological requirements and features in the assembling process for the vane pump of automobile, a programme control system is designed using S7-200PLC of SIEMENS.
根据汽车转向泵自动装配过程工艺要求和特点，采用SIEMENS的S7 - 200plc设计出一种程序控制系统。
The instrument system has features: ease of control, stability of operation, highness of precision and distinctness of programme process , etc.
此系统具有易控制、工作可靠、测距准确度高、可读性强和流程清晰等优点。
Technological analysis is a key link in digital control process and it provides a basis for designing programme.
工艺分析是数控加工中一个十分重要的环节，它是程序编制的依据。
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