楔铁采用人工刮研方法,劳动强度大,且费时.制作一个如图1所示的专用工具,就可以在平面磨床上配磨. 小圆柱体(ρ4×30mm)1上钻有2个小孔,穿入两根钢丝2并焊牢.大圆柱体(ρ8×30mm)3也钻有2个孔,穿入两根钢管4并焊牢.钢管上套有夹紧圈5,夹紧圈的一端开有槽,以便螺钉6拧紧时,钢管能夹住钢丝. Wedge iron using manual scraping method, labor-intensive, and time-consuming. Production of a special tool shown in Figure 1, can be equipped with a grinder in the surface grinder. Small cylinder (ρ4 × 30mm) 1 drill two small Hole, penetrate into the two wires 2 and weld firmly.The large cylinder (ρ8 × 30mm) 3 also drills 2 holes, penetrates into the two steel pipes 4 and is welded tightly, the steel pipe is provided with a clamping ring 5 and a clamping ring One end of the groove is opened, so that when the screw 6 is tightened, the steel pipe can clamp the steel wire.