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一、原理和结构机床上广泛采用的齿轮变速箱只能得到有限的几级或几十级速度。无级变速器则不同,其输出轴可在一定范围内变换成所需的任意转速。如果机床在主运动或进给运动中采用无级变速器,便可以在加工中得到理想的切削速度或进给量。这对于更好地满足加工零件的工艺要求,保证加工质量和提高生产率都具有重要作用。而且,无级变速器能在运转中变速,易
First, the principle and structure Widely used on the machine gear transmission can only be limited to a few or dozens of speed. Continuously variable transmission is different, the output shaft can be transformed within a certain range of any desired speed. If the machine adopts a continuously variable transmission in the main movement or feed movement, the ideal cutting speed or feed rate can be obtained during the machining. This is to better meet the processing requirements of the processing of parts, to ensure processing quality and increase productivity are important. Moreover, CVT can speed change in operation, easy