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论述了改进楔形凹模轮廓的原理和方法，即通过改变楔形凹模入口的形状，达到降低板坯正挤挤压力的目的，并通过实例与原楔形凹模作了比较．
The principle and method of improving the profile of wedge die are discussed. The purpose of reducing the positive squeezing pressure of the slab is achieved by changing the shape of the entrance of the wedge die. The example is compared with the original wedge die.