M 7120 A平面磨床磨头轴承采用短三块轴瓦球面支承结构,在使用或修理时,经常出现抱轴现象。本文就现场25次抱轴现象所产生的原因进行分析并介绍其消除方法如下。 一、磨头结构 磨头结构如图1所示,该磨头砂轮轴4由前后两组“短三瓦”轴承支承,由前后封油圈1与前后法兰盖8、12分 M 7120 A surface grinder grinding head bearings with short three-ball spherical bearing structure, in the use or repair, often appear to hold the shaft phenomenon. This article on the scene 25 times the axis of the phenomenon of the analysis and introduction to eliminate the following method. First, the structure of the grinding head grinding head shown in Figure 1, the grinding head shaft 4 by the front and rear two sets of “short three watts” bearing support by the front and back seal ring 1 and front and rear flange cover 8,12 points