液压系统的外文文献翻.doc

毕业设计（论文）外文文献翻译 译文题目 Hydraulic System 专 业机械设计制造及其自动化 班 级 09机制一班 姓 名 汪康 学 号 2009403010107 指导教师 王霞 机械工程学院 Hydraulic System There are only three basic methods of transmitting power：Electrical，mechanical．and fluid power．Most applications actually use a combination of the three methods to obtain the most efficient overall system．To properly determine which principle method to use。it is important to know the salient features of each type．For example，fluid systems call transmit power more economically Over greater distances than Can mechanical types．However。fluid systems are restricted to shorter distances than are electrical systems． Hydraulic transmission there are many outstanding advantages, it is widely used, such as general industrial use of plastics processing machinery, the pressure of machinery, machine tools, etc.; operating machinery engineering machinery, construction machinery, agricultural machinery, automobiles, etc.; iron and steel industry metallurgical machinery, lifting equipment, such as roller adjustment device; civil water projects with flood control and dam gate devices, bed lifts installations, bridges and other manipulation of institutions; speed turbine power plant installations, nuclear power plants, etc.; ship from the deck heavy machinery (winch), the bow doors, bulkhead valve, stern thruster, etc.; special antenna technology giant with control devices, measurement buoys, movements such as rotating stage; military-industrial control devices used in artillery, ship anti- rolling devices, aircraft simulation, aircraft retractable landing gear and rudder control devices and other devices. The role of the hydraulic system to increase the force by changing the pressure. A hydraulic system is good or bad depends on the system design is reasonable, the merits of the performance system components, system, pollution preventi