【摘要】 铝合金的可焊接性较差,熔焊时易产生裂纹和气孔等缺陷,理论分析了缺陷产生的原因。真空电子束焊接独特的优点可以解决铝合金的焊接难题。空心铝球的焊接更有特殊性,采用真空电子束焊接比激光焊接更为有利。主要探讨了工件的精度、清洁处理、工装夹具、焊接规范等因素对焊接质量的影响,并分析了焊接结果。更多还原

【Abstract】 Aluminium alloy’s weld adapability is relatively bad,and easy to appear crack and air vent etc.in welding.The reasons are theoretically analyzed.Hollow electronic beam welding can solve the difficult problems of the aluminium alloy ’s welding.The welding of hollow aluminium ball has more particularities,it adop ts the vacuum electronic beam welding that is more favorable than laser welding. This article mainly discusses such factors of influence on quality of welding as the precision of the work piece,cleanness treatment,work jig,and norm of weldin g,etc.,and analyses the result of welding.更多还原