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四柱液压机液压传动的特点

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四柱液压压力机的液压传动由电力驱动和控制。交流电机驱动简单,是应用最广泛的一种传动方式,也是各种传动系统的重要组成部分。然而,交流电机一般很难实现无级变速器,而直流电机可以实现无级调速,但直流电机的价格较高。目前,晶闸管技术大大简化了交流电机的无级调速,但在大功率、低速、高转矩的场合使用。它还需要一步一步地改进。电气控制是由计算机控制的,具有信号转换和传输方便、远程控制容易等优点,在自动化程度较高的情况下,要求其高度自动化。

四柱液压机

四柱式液压机液力传动特性主要的传动方式有机械传动、电气传动、气动传动和液压传动。两者各有优缺点。机械传动由齿轮、齿条、蜗杆、蜗杆、皮带、链条、杠杆等机械部件传动。这是最早也是最常见的传播形式。它具有传动准确、操作简单、直观易掌握、传动比影响小、对环境影响小等优点。然而,在自动控制的情况下,机械传动结构复杂笨重,远距离操作困难,操作力大,安装位置自由度小等。与400吨四柱液压机相比,液压传动可靠,在许多场合逐渐被其他传动方式所取代。


The main transmission modes are mechanical transmission, electrical transmission, pneumatic transmission and hydraulic transmission. Both have advantages and disadvantages. Mechanical transmission by gear, rack, worm, worm, belt, chain, lever and other mechanical parts drive. This is the earliest and most common form of transmission. It has the advantages of accurate transmission, simple operation, intuitive and easy to grasp, small transmission ratio influence, small impact on environment and so on. However, in the case of automatic control, the mechanical transmission structure is complicated and bulky, long-distance operation is difficult, the operation force is large, the installation position of freedom is small, etc.. Compared with 400 tons of four-column hydraulic press, the hydraulic transmission is reliable, and is gradually replaced by other transmission modes in many occasions.


GB/T1497-1993四柱式液压机液力传动特性是大气好更价格源空气,且的靠气性能比。运动,小因此高速空气,粘度管道获得流量压力大损失可的小。气动为了另外效率的宜减少,过一般,压力系统左右不宜泄漏0以,,提高高为。8mps。了功率阻止的它高下情况使用在就这。

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