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在我厂自行设计制造的一台东方红-20型拖拉机前轮毂双面镗孔、刮端面的组合机床上,采用了一种典型的夹具。凡是带法兰面的盘套类零件,均可用这种类型的夹具。该机床除了完成前轮毂两头的孔和两端面的粗精加工以外(加工部位如图1“”处),还承担四个孔的钻、铰加工(图2中的四孔)。前轮毂双面镗孔、刮端面机床夹具的主要部分结构如图1。工作用加工过的端面和外圆由定位环18定位,借三个
In our factory designed and manufactured a Dongfanghong-20 tractor front hub double-sided boring, scraping the end of the combination of machine tools, using a typical fixture. This is the type of fixture that can be used on any flanged disk cover. In addition to finishing the front two holes and the two ends of the rough finishing (the processing parts shown in Figure 1 “” Department), but also borne four holes drilling, hinge processing (four holes in Figure 2). Front hub double-sided boring, scraping end of the main part of the machine tool fixture structure shown in Figure 1. Work with the finished face and the outer ring by the positioning ring 18 positioning, by three