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龙门刨床由于具有使用简单刀具即能加工出各种平面和导轨滑动面的功能,因此今天仍被广泛作为重要的工作母机来使用,而在龙门刨床的主传动系统中又可分为电机传动和液压传动两种龙门刨。液压龙门刨由于具有:(1)结构比较简单;(2)故障较少;(3)实现无级变速比较容易;(4)比同规格的电机龙门刨耗用功率小(见表1)等特点,所以配用低压大流量油泵的液压龙门刨在国外已成为一种成熟的工作母机(见表2),大量制造,推广使用。
Planer planing machine with a simple tool that can be used to produce a variety of plane and rail sliding surface function, it is still widely used today as an important work machine to use, and in the planer main drive system can be divided into motor drive and Hydraulic drive two kinds of planer. Hydraulic gantry planer due to: (1) the structure is relatively simple; (2) fewer failures; (3) to achieve infinitely variable speed is relatively easy; (4) compared with the same specifications of motor gantry planing power consumption (see Table 1), etc. Therefore, the hydraulic planer equipped with low-pressure high-flow pump has become a mature working base machine in foreign countries (see Table 2), which is mass-produced and popularized.