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采用金属体积不变条件 ,推导出金属波纹管液压胀形工艺中的管坯长度计算公式 ,实验表明 ,计算公式准确实用
Using the constant volume of metal, the calculation formula of the length of the tube in the hydraulic bulging process of the metal bellows is deduced. The experiment shows that the formula is accurate and practical