过去,车床轨道的防护罩,是直接固定在大拖板上,不好拿下(如图1所示)。这样对导轨的擦洗或加油都不方便,多少要影响车床导轨的维护工作。现在改用图2的防护罩,直接固定在大拖板上的部分(死接部分)很短,而 In the past, the protective cover of the lathe track was fixed directly on the pallet, so it was not good to take it down (as shown in Figure 1). This scrubbing or refueling the rails are not convenient, how much will affect the maintenance of lathe rails. Now switch to the protective cover of Figure 2, the portion (dead-end portion) that is directly attached to the large pallet is short, and