a machine which is used for industrial purposes, mainly for the bending of sheet metal products. machineries are characterized by basic parameters. ningbo zhongyi hydraulic motor co., ltd has the experience in produce piston motor,hydraulic winch,pg电子下载-pg电子游戏,hydraulic steering unit,axial piston motor with quality assurance.experienced production team with strong technical force, advanced equipment zhongyiyepk so welcome to our to choose our product or call us.these include the force and the working length, and additional parameters: the amplitude, the distance between the frame uprights, the availability of the device deflection compensation table, and the availability of additional accessories which will enhance the productivity of work.
in industry, they use mechanical machineries, pneumatic machineries and hydraulic machineries. the name comes from the principle of development efforts on a particular machine. in a mechanical press, they use a crank mechanism, which is in a compartment with an energy wheel drive which allows it to work. pneumatic and hydraulic presses are used as energy source, air pressure or the pressure of hydraulic oil, respectively.
until the first half of 20 century, industry produced, mainly mechanical presses because of the relatively low cost of production, ease of performance, reliability of operation. however, in spite of their advantages, mechanical presses have significant drawbacks associated primarily with increased demands of operating these machineries. these disadvantages of mechanical presses include: a large mass, high power consumption, high levels of noise and vibration, hard adjusting, the high level of danger of injury to the motor operating the press, low quality of manufactured products.
pneumatic s only takes up a small area in the field of sheet metal, because of their limitations. this is mainly due to the efforts of a small and compressed air line that puts the narrow scope of their application. pneumatic presses are used largely in industrial sites, where great effort is not required in the production process, but hydraulic or mechanical press would be inappropriate because of their higher cost.
more recently, as a result of the development of technologies, and the introduction of cnc s, hydraulic presses have emerged as having several advantages compared with mechanical and pneumatic presses. these advantages include: high quality of manufactured products, high reliability, a much lower level of the risk of injury of staff, low energy consumption. further developments in technology, has enabled the introduction of new systems of governance and security, which also have many new features.
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