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在车床顶尖间加工套筒类工件的外圆、端面或切槽形,需各种形式的心轴,在装卸工件时,要将工件与心轴同时取下,这在大批量生产时,特别是工件与心轴总重超过5kg;工人的劳动强度是很大的。铰链式心轴的产生,不但解决了此问题,而且提高了生产效率。铰链心轴由车头顶尖1、法兰2、拨盘3、销轴4、心轴5和回转顶尖组成。只要心轴5柄部尺寸规格形式统一,即可在同台机床上完成成组零件的加工。心轴可通用,其他工具都可通用,即使小批成组工艺生产也可采用,结构如图所示。加工操作中装卸工件时,先停车使心轴5的扁柄成水平位置,换低速档增大主
In the lathe machining between the sleeve-type workpiece cylindrical, face or slotted shape, the need for various forms of mandrels, loading and unloading of the workpiece, the workpiece and the mandrel to be removed at the same time, which in mass production, especially The total weight of the workpiece and the mandrel is more than 5kg; the labor intensity of the worker is great. Hinged mandrel generation, not only solved this problem, but also improve production efficiency. Hinge spindle from the front 1, flange 2, dial 3, the pin 4, the mandrel 5 and the rotating top. As long as the mandrel 5 shank size specifications form a unified, you can complete the same set of machine parts processing. Spindle can be universal, other tools can be universal, even if the small group of process technology can also be used, the structure shown. Loading and unloading workpieces in the processing operation, the first parking spindle 5 flat shaft into a horizontal position, change the lower gear increases the main