我厂车工张国良同志,改进了夹固式割刀,经使用证明,效果良好。改进后的割刀如图1所示。1是刀体;2是刀片,用压板3、弹簧垫圈5和螺钉4固定在刀体1上。图2是它的主要零件图。改进后的割刀有如下的优点:1)刀片改用螺钉和压板夹固,可以使压板的斜面和刀片的斜面紧密地配合,接触面积比一般割刀要大,所以夹得很牢固。刀杆前端磨有圆弧,可提高割刀的 My factory mechanic, Comrade Zhang Guoliang, improved clamp cutter, the use of proof, the effect is good. Improved knife shown in Figure 1. 1 is a cutter body; 2 is a blade, with a pressure plate 3, a spring washer 5 and a screw 4 fixed on the cutter body 1. Figure 2 is its main part diagram. The improved cutting knife has the following advantages: 1) The blade is replaced by a screw and a clamping plate, so that the inclined plane of the pressing plate and the inclined surface of the blade can be closely matched with the contact area larger than the general cutting blade, so the clip is very firm. Arbor grinding the front end of the arc, can raise the knife