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我厂高精度机床的主轴箱体,材料为高级铸铁。它的深孔研磨,几年来都是采用多件固定式研磨棒,根据孔的尺寸配磨外圆,用手工操作完成。这种方法不仅消耗大量的研磨棒,而且劳动量大,加工一个φ120×350的孔,一般须60小时以上。经工人和有关技术人员革新改进,利用废旧机件做了一个深孔研磨工具,已研磨过直径φ80～135毫米、深350～500毫米的孔。研磨机外观如图1;研磨头采用可调整式,结构如图2。
I plant high-precision machine tool spindle box, the material is high grade cast iron. Its deep-hole grinding, the past few years are using multiple fixed grinding rod, according to the size of the hole with a cylindrical grinding, done by hand. This method not only consumes a large number of grinding rods, but also a large amount of labor, the processing of a hole φ120 × 350, usually 60 hours or more. After the workers and relevant technicians made innovations and improvements, they made a deep-hole grinding tool using discarded machinery and polished holes with diameters of φ80 to 135 mm and depths of 350 to 500 mm. Grinder appearance shown in Figure 1; grinding head with adjustable, the structure shown in Figure 2.