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溜板接合子是个易损件,但其端面曲线较复杂,过去加工这个零件要经过车削和铣削,每班只能加工4～5个,成品率百分之二十,给维修和加工带来一定困难。遵照毛主席“自力更生”的伟大教导,利用仿型原理,我们制作了一套专用卡具,在车床上就可加工出来。主要结构见图。模具内套8与车床主轴2靠主轴螺纹接合,接盘10与内套8靠键9连接,键9共两个,对称分布,既是联接键又是滑动键。卡盘16与接盘10联接,靠模板11用内六角螺检固定在接盘上。靠模板端面曲线的升距与接合子端面曲线的升距相等。
Slide plate joint is a wearing parts, but the curve of the end face is more complex. In the past, this part was machined and turned to be machined and cut. Only 4 to 5 pieces could be processed per shift. The finished product rate was 20% Must be difficult. Follow Chairman Mao’s “great self-reliance,” teaching, using the principle of imitation, we have produced a set of special jig, can be processed in the lathe. The main structure shown in Figure. Mold inner sleeve 8 and the lathe spindle 2 by spindle screw engagement, the plate 10 and the inner sleeve 8 by key 9, a total of two keys 9, symmetrical distribution, both the coupling key is a sliding key. The chuck plate 16 is connected with the upper plate 10, and the template 11 is fixed on the upper plate by a hexagonal screw thread inspection. The lift of the curve by the end face of the template is equal to the lift of the curve of the end face of the joint.