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我厂生产的如图1所示的工件,原采用一般弯曲工艺生产,产品质量达不到图纸要求,工件上的孔变形,表面拉伤严重。后根据贵刊1984年第1期刊登的《旋转弯曲新方法》一文的旋转弯曲原理,设计了如图2所示的模具,使工件达到了图纸要求。通过三年多的实践证明,该模具具有弯曲方法新颖,模具制造简单,工件成形质量高,弯曲力小等特点。
I plant the production of the workpiece shown in Figure 1, the original production process using the general bending, product quality failed to meet the requirements of drawings, holes on the workpiece deformation, serious surface strain. According to your magazine published in 1984 first issue of “a new method of rotating bending,” one article of the principle of rotation bending, the design of the mold shown in Figure 2, so that the workpiece has reached the drawing requirements. After more than three years of practice, the mold has the advantages of novel bending methods, simple mold making, high forming quality of workpieces and small bending force.