导轮在线切割机床运用过程中精度下降,除正常磨损之外,还有二个方面: 一、导轮导丝槽增宽导轮的导丝槽是V字形的,其槽底的半径约等于钼丝半径。如果槽底半径增大,钼丝将会在增大的导丝槽中作相对的轴向运动。一旦产生这种情况,初始则加工不稳,严重时根本无法加工。这类损坏的原因大致有以下几种: In the process of using the guide wire cutting machine, the precision is reduced. In addition to the normal wear and tear, there are two aspects: First, the guide groove of the guide wire guide groove widening guide groove is V-shaped, and the radius of the groove bottom is about equal to Molybdenum wire radius. If the groove bottom radius increases, the molybdenum wire will make relative axial movement in the enlarged guide slot. Once this happens, the initial processing instability, in serious cases can not be processed. The reason for such damage is roughly the following: