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当模具压力中心与压力机滑块中心不重合时,就会由于偏载而造成对设备、模具、工件等不同程度的危害。特别是对于一般单点压力机,滑块若承受偏心载荷,会使滑块下表面与工作台上表面之间的不平行度明显增大,或者使得导向接触面急骤发热,加剧了导轨的不正常磨损。同时,也使得冲裁间隙不均匀,使冲件毛刺加大,甚至会折断冲头,导向元件迅速磨损失效。若工作中利用气垫,由于偏载会导致气垫导轨的不正常磨损等等。而要解决这些
When the mold pressure center does not coincide with the center of the press slider, it will cause different degrees of harm to the equipment, molds and workpieces due to partial load. Especially for the general single-point press, if the slider to withstand eccentric load, the lower surface of the slider and the table will not be significantly increased the degree of non-parallelism between the surface, or make the contact surface rapid heating, exacerbated the rail is not normal abrasion. At the same time, it also makes the blanking gap is not uniform, so that punch burr increases, and even break the punch, guide the rapid wear failure. If the use of air cushion in work, due to partial load will lead to abnormal wear and tear of air cushion guide and so on. And to solve these