Unverified75% confidenceDecision RuleTime unknown
焊接节点是金属分层架承重与耐久的关键，散点焊（仅交叉点点焊）比满焊或包边焊易在承重下脱焊松动，选购金属架应看焊点是否密集牢固及是否有加强横梁
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Unverified焊接连接处是生锈重灾区，选一体成型（无焊点）或注塑包边的产品比点焊工艺更耐用；判断方法看架体拐角是否有焊接凸点90% similarUnverified锅柄连接方式优先选一体成型或焊接（无铆钉），铆钉连接内壁有凸点易藏污积油且长期可能松动；焊接工艺看焊点是否饱满无缝隙86% similarUnverified焊接工艺的整体成型架比拼接卡扣式牢固度高，拼接款长期使用连接处易晃动松脱，重物区优先选一体焊接结构85% similarUnverified焊点或组装接口的处理工艺决定寿命，无缝一体折弯＞点焊＞卡扣拼接，点焊处未做防锈涂层是最先生锈的位置83% similarUnverified焊接工艺比卡扣拼装结构更稳固耐用，卡扣式承重后接口易松动晃动；查看焊点是否平整无虚焊，管壁厚度通常≥0.6mm的不锈钢架更耐压不易变形81% similar
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