The results show that the perfect joint welded is obtained by choosing suitable welding condition to meet requirement of Aspect;smoothness;nugget dimension and mechanical properties.

• 结果表明:选用中等偏硬一些的焊接规范,可以获得较理想的点焊接头,接头的外观、平滑度及熔核尺寸和力学性能满足了相关标准的要求;