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零件的形状是多种多样的,有的零件在通用机床上加工,无法达到其形状和尺寸的要求,必须设计一种专用工装,配合机床或专机加工才能达到图样要求。32电冲剪上的导针(图1)就是这样一种需设计三种运动合成机构的工装才能加工的零件。图1 电焊冲剪导针 该零件形状复杂部分在剪口,
The shape of the parts is varied. Some parts are machined on general-purpose machine tools and can not meet the requirements of their shape and size. A special tooling must be designed to meet the requirements of the drawings with machine tools or special machines. The electroplated needle (Figure 1) is such a piece that can be machined by the tooling that designs three motion-synthesis mechanisms. Figure 1 welding red shear pin The complex shape of the part in the notch,