Minggu, 23 Mei 2010

APPLICATION OF HYDRAULIC SYSTEM



The advantage which characterise hydraulics in its ability to transmit energy at high efficiency levels, and at the same time to infinitely control this energy have facilitated its application in practically all fields of mechanical engineering. the fact that linear movement can be generated through the use of hydraulic cylinders was also of great significance in this development. One of the major customers for hydraulics is the machine tool industry. Here, hydraulics are applied for clamping workpieces or tools, and for controlling forward speed and spindle drives on metal cutting machine tools. Hydraulic are also used for complete sequence controls, for instance on hydraulic presses.
the construction equipment industry also applies hydraulics, to about some extent, for travelling and traversing drives as well as for all working function such as lifting, breaking ground, gripping, shifting etc.
The vehicle industry provides a whole range of application : small and compact unit for truck liftgates and for axle-lift installations.Agricultural machinery is another field of particular interest for hydraulics. In the case of farm tractors, it is hydraulic which control the ploughing depth and provide the drive for auxiliary equipment and power assisted steering.The lifting and transport sector, with emphasis on the fork lift truck production, is another of the traditional areas of application for hydraulics, its importance is about the same as that of the agricultural machinery sector. All further uses of hydraulics belong under collective heading in of general mechanical engineering, a term which stands for a multiplicity of demanding and interesting applications.

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