浅谈焊接结构设计禁忌李建忠张宏洲刘宏立（郑州日产汽车有限公司４５１４５０）关键词焊接结构设计禁忌（１）避免相互壁厚差大的部分的焊接拼接处，当焊件的宽度不同或厚度相差４ｍｍ以上时，应分别在宽度方向或厚度方向从一侧或两侧做成坡度不大于１∶４的斜角（图１ｂ... Taboo welding structure design taboo Li Jianzhong Zhang Hongzhou Liu Hongli (Zhengzhou Nissan Motor Co., Ltd. 451450) Keywords welded structure design taboo (1) to avoid the mutual difference in the thickness of the welding splicing Department, when the weldment width or thickness difference of more than 4mm , A slope of not more than 1: 4 in slope should be made from one or both sides in the width direction or the thickness direction respectively