Liu Jun-ying

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Giving an example of a small second pressing water works, the principle, construction and characteristics as well as the application of a automatic constant pressure closed-loop water supply and monitor system, composed of PLC and industrial control configuration software and frequency converter, is introduced in this paper. The system, which is tested in(More)
The electro hydraulics servo tape leaf spring mill is a special equipment used to manufacture automobile tape leaf spring. The structure of main body of mill is adopted four-column type. The roll gap of mill is driven by the servo hydraulics cylinder. The type of two degree computer control system, composed by microcomputer and PLC, has been adopted in this(More)
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