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文章介绍的镗床结构适合于气缸体的曲轴孔、凸轮轴孔和挺杆孔等多层壁的通孔加工,其结构特点是导向套筒不回转,导向长度短,在加工过程中只有两个导向支架起作用,消除了多导向支承不同心造成的误差。图1幅。
The structure of the boring machine introduced in this paper is suitable for the machining of the through holes of multi-wall such as crankshaft hole, camshaft hole and tappet hole of the cylinder block. The structural feature of the boring machine is that the guide sleeve does not rotate and the guiding length is short. Only two Guided stents work to eliminate errors caused by misaligned multi-directional bearings. Figure 1 picture.