The single-chip microcomputer is used in the hydraulic control loop of the paper factory, it can solve the problem of the traditional open and uncontrolled loop.

Constructional and Technical Features of Hydraulic Nine-roller Hot Plate Leveler in Shaogang;

Improving of the Hydraulic System for Ladle Turntable;

The leak of the machine tool hydraulic system and solutions of it;

GK400N mixer hydraulic pressure and lubrication system analysis;

Y3180H gear-hobbing machine hydraulic pressure principle of work and fault analysis;

Design of round wood non-center peeling machine based on thickness detecting and hydraulic pressure;

Study on the Arm Structure and Hydraulic System of Intelligent Bridge_detection Vehicle;

The design means of the hydraulic system and the circuitry were introduced .

This paper analyzes the working processes of hydraulic and mechanical driving systems in caterpillar combines and focuses on the configuration method of the hydraulic driving system, the selection of the hydraulic components, the specification of the hydraulic system, the calculation and testing of the performance of the hydraulic system in some combines.

Method In ordinary traction beds designed by mechanical－ electrical－ microprocessor controlling method,this paper put a new method useing hydraulic transmission.