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中文摘要：
与可控制的光线的压力形成的水疗院的一个新过程被建议克服困难 in the forming of 低塑料材料和大 height-to-diameter 比率细工品。一个典型 5A06 铝合金屋顶数字地并且试验性地被调查。为典型缺点的原因在不同光线的压力下面被分析。厚度分发上的光线的压力的效果被讨论，最佳的光线的压力是坚定的。它被有 2.4 的绘画比率的杯被与可控制的光线的压力形成的水疗院的新过程形成的数字模拟和实验显示出。它为形成低塑料材料和大 height-to-diameter 比率细工品是显著地有效的。二个典型变瘦点沿着屋顶墙退出。与光线的压力，变瘦在二个点有效地被减少，形成的屋顶被完成，厚度分发是更一致的。
英文摘要：
A new process of hydroforming with controllable radial pressure was proposed to overcome difficulties in the forming of low plastic materials and large height-to-diameter ratio workpieces. A typical 5A06 aluminum alloy dome was numerically and experimentally investigated. The reasons for typical defects were analyzed under different radial pressures. Effects of radial pressure on the thickness distribution were discussed and optimal radial pressure was determined. It is shown by numerical simulations and experiment that a cup with a drawing ratio of 2.4 is formed by the new process of hydroforming with controllable radial pressure. It is significantly effective for the forming of low plastic materials and large height-to-diameter ratio workpieees. Two typical thinning points exit along the dome wall. With the radial pressure, thinning is decreased effectively at the two points, the dome forming is achieved and thickness distribution is more uniform.
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