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通常使用的鸡心夹具是为使产品的设计基准与工艺基准相一致,有效地保证产品的质量。但每加工一个工件时必须紧松一次夹紧螺栓,因此,增加了辅助工时,使得操作者费劲费时,效率不高.针对上述情况,我们设计制作了一不用紧松螺栓的快速高效精车夹具(图1)。只要将尾座顶尖顶在工件一端即可加工。它克服了鸡心夹具的缺点.经过累计装夹次数近十万次的使用,证明它的结构可靠,效果良好,生产效率比普通鸡心夹具提高3～5倍,在普通车床上加工任何轴类零件时均可使用.
Commonly used Jixin jig is to make the product design basis and process standards consistent, effectively ensure product quality. However, a clamping screw must be loosened once during the machining of a workpiece, so the auxiliary man-hour is increased, which makes the operator time-consuming and inefficient. In view of the above, we design and manufacture a fast and efficient finishing clamp without tight-fitting bolts (figure 1). Just tail the top of the top of the workpiece can be processed. It overcomes the shortcomings of the chicken heart clamp.After the cumulative number of times nearly 100,000 times the use of clamping, it shows the structure of a reliable, good effect, the production efficiency than ordinary heart jig increased 3 to 5 times in the ordinary lathe processing any shaft parts Can be used when.