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T716金刚镗床是用来加工汽车、拖拉机发动机缸体的专用镗缸设备。原来的镗床主轴能起自动补偿轴向游隙作用,主轴结构适于加工余量较小、精度较高的孔,见图1。因此用T716镗床加工其他钢件孔径和刮削孔径端面时,显得刚性差,加工面光洁度不高。为了扩大T716镗床的工艺使用范围,设计制造了一套改进后的主轴结构,可适应钢件的镗孔要求,见图2。经多年使用证明,效果较好。其结构改进简述如下:
T716 King Kong boring machine is used to process vehicles, tractor engine block cylinder boring equipment. The original boring machine spindle can play an automatic compensation axial clearance effect, the spindle structure is suitable for machining smaller allowances, high precision holes, shown in Figure 1. Therefore, the use of T716 boring machine processing other steel aperture and scraping aperture end face, it appears poor rigidity, machined surface finish is not high. In order to expand the use of the T716 boring machine technology, designed and manufactured a set of improved spindle structure, can adapt to the requirements of steel boring, shown in Figure 2. After years of use proved that the effect is better. Its structure is briefly described as follows: