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过去,我厂加工“山西牌”汽车连杆螺丝孔是在普通立钻上进行,效率低,质量不稳定。三结合技术革新小组对此进行了专题研究,并外出参观学习兄弟单位先进经验,结合我厂生产实际,制成一台液压进给连杆孔钻扩铰五工位机床(图1)。经过试车,证明效果良好,效率,质量得到显著提高。该机床用4.6千瓦动力头通过主轴箱实现主切削运动。第一工位用作卸下成品和装夹毛胚,在第二工位进行钻孔,第三工位进行粗扩,第四工位精扩,第五工位进行铰孔。主电机4.6千瓦,转速n 主=960转/分,经过动力头减速箱5输出240转/分,再经过主轴
In the past, I plant processing “Shanxi card” car connecting rod screw hole is carried out in ordinary drilling, low efficiency, unstable quality. Three combination of technical innovation team conducted a special study on this subject, and went out to visit the advanced experience of brothers units, combined with the actual production plant, made of a hydraulic feed link drill hole drilling hinge five station machine (Figure 1). After the test, proved good effect, efficiency, quality has been significantly improved. The machine uses a 4.6 kW power head to achieve the main cutting motion through the headstock. The first station is used for unloading the finished product and clamping the blank, drilling in the second station, the third station for roughing, the fourth station for fine expansion and the fifth station for reaming. The main motor 4.6 kilowatts, speed n main = 960 rev / min, after power head gearbox 5 output 240 rev / min, and then through the spindle