【摘要】 针对汽车减震器连杆凸焊质量不稳定的工程实际问题,将优化理论应用于凸焊工艺规范参数的确定,建立回归方程和多变量函数的优化数学模型,用内点罚函数法求解,科学地获得了汽车减震器凸焊优化工艺。焊接生产实践表明:30型汽车减震器连杆凸焊优化工艺为:预压压力0.15MPa,焊接压力0.25MPa,变压器级数5级,焊接时间2s。将最优化理论与技术应用于大规模凸焊生产,可迅速、准确地找到凸焊优化工艺,其废品率低(<1%),试验工作量小,置信度大,经济、省时、省力。更多还原

【Abstract】 The paper applies the optimum theory in decision of parameters of the projection welding technology and the optimum mathematical model.By using the interior penalty function method the optimum welding technology for damper is obtained.It is found that the quality of the projection welded joint is stable and reliable.更多还原