1.钢球挤刀(图1)材料为GGr15的标准钢球 1,用 1号胶粘接在 45 号钢的刀杆 2上。工件3为青铜,工作时将工件安放在手压机的底座上,刀杆固定在手压机的压头上(或可浮动),摇动手轮使刀杆的钢球通过工件予加工孔,即加工完成。 该厂在制造某零件时,要求产品的孔径为11+0.019毫米,光洁 1. Steel ball squeegee (Figure 1) Material GGr15 standard ball 1, No. 1 glue bonded to the 45 steel arbor 2. The workpiece 3 is bronze, the workpiece is placed on the base of the hand press during work, the knife bar is fixed on the pressure head of the hand press (or can be floated), the hand wheel is shaken so that the steel ball of the knife bar passes through the workpiece to be machined, That is completed processing. The factory in the manufacture of a part, the product requires the aperture of 11 + 0.019 mm, smooth