有时 ,我们需要加工很多既长又圆(或方 )的杆材 ,这些杆材在其一端或二端需铣削出一个或二个平面 ,并且这个平面是靠近端部的。但实际上平面的定位总是需要的 ,要做到这一点 ,使用一种既简单又廉价的夹具。夹具由两块冷轧钢板组成 ,将它们叠在一起钻孔 ,上面一块板的孔为连接孔 Sometimes, we need to process many long, round (or square) rods that have to be milled on one or both ends of one or two planes, and the plane is near the ends. But in fact the positioning of the plane is always needed, to do this, use a simple and cheap fixture. Fixture consists of two pieces of cold-rolled steel, they are stacked together drilling, the hole above the board for the connection hole