日本验船师全套培训资料Welding(Procedure).ppt

Welding sequence for closing hole (2/2) Thickness is more than 25 mm 第三十页，共三十四页。 Welding sequence for partial renewal 第三十一页，共三十四页。 Welding sequence for closing access hole 第三十二页，共三十四页。 　 　 第三十三页，共三十四页。 内容总结 Welding (Procedure)。Slot weld。Joint of cast/forged steel。Basic welding sequence (1/3)。Basic welding sequence (2/3)。Basic welding sequence (3/3)。Welding sequence of plates (1/2)。Welding sequence of plates (2/2)。Kind of scallop 第三十四页，共三十四页。 千鳥断続隅肉溶接（staggered intermittent fillet weld） X開先で溶接部が交差する場合には、一方向の両面が完了後に他方向の溶接を始める 板厚16mm未満はV、それ以上はX開先 通常は横方向→縦方向の順に溶接する 溶接熱による変形、亀裂防止のために、スライドのような手順を採用する Welding (Procedure) September 2004 第一页，共三十四页。 Edge preparation for butt joint (1/5) Thickness is 6mm or less 第二页，共三十四页。 Edge preparation for butt joint (2/5) Thickness is more than 6mm 第三页，共三十四页。 Edge preparation for butt joint (3/5) Difference in thickness is 3mm or less 第四页，共三十四页。 Edge preparation for butt joint (4/5) Difference in thickness is more than 3mm 第五页，共三十四页。 Edge preparation for butt joint (5/5) One side welding 第六页，共三十四页。 Special requirements for fillet welding 第七页，共三十四页。 Special requirements for fillet welding High stress area Otherwise, staggered intermittent fillet weld 第八页，共三十四页。 Special requirements for fillet welding Hold frames of bulk carrier 第九页，共三十四页。 Special requirements for fillet welding End connections of section bar (F1) 第十页，共三十四页。 Special requirements for fillet welding Bilge keel 第十一页，共三十四页。 Special requirements for fillet welding Stringer plate sheer strake 第十二页，共三十四页。 Special requirements for fillet welding Tubular pillar end 第十三页，共三十四页。 Slot weld 第十四页，共三十四页。 Joint of cast/forged steel 第十五页，共三十四页。 Joint of plate to cast/forged steel 第十六页，共三十四页。 Basic welding sequence (1/3) 第十七页，共三十四页。 Basic welding sequence (2/3) 第十八页，共三十四页。 Basic welding sequence (3/3) 第十九页，共三十四页。 Welding sequence of plates (1/2) 第二十页，共三十四页。 Welding sequence of plates (2/2) 第二十一页，共三十四页。 Welding sequence at “T” joint (1/2)