To provide a bonding method for dissimilar-metal members, by which dissimilar-metal members are simultaneously coated and baked while heat strain is hindered and to provide a temporarily holding member used in this bonding method.SOLUTION: A roof panel 40 is conveyed such that a through-hole 44 bored in a bonding surface 43 of the roof panel 40, made of aluminum alloy, is superposed on a through-hole 54 bored in a bonding surface 53 of a side structure 50, made of steel. A rod-like temporarily holding member 10 is inserted into the superposed through-holes 44, 54 to increase the diameter of a leading-end holding part 16 of the temporarily holding member, thereby temporarily holding the dissimilar-metal members by means of the leading-end holding part 16 thus increased in diameter. The side structure 50 and roof panel 40 temporarily held together are simultaneously coated and baked. Then, the diameter of the leading-end holding part 16 of the temporarily holding member 10 is decreased to release them from being temporarily held. The side structure 50 and the roof panel 40 are bonded with predetermined bonding means.SELECTED DRAWING: Figure 3
【課題】熱歪みの発生を抑えながら異種金属部材を同時に塗装・焼付処理可能な異種金属部材の接合方法及び該接合方法に用いられる仮保持部材を提供する。【解決手段】スチール製のサイドストラクチャ50の接合面53に穿設された貫通孔54にアルミニウム合金製のルーフパネル40の接合面43に穿設された貫通孔44が重なるようにルーフパネル40を搬送する。重ねられた貫通孔44,54に棒状の仮保持部材10を挿し込んで該仮保持部材の先端保持部16を拡径し、拡径された先端保持部16により異種金属部材同士を仮保持する。仮保持されたサイドストラクチャ50及びルーフパネル40を同時に塗装・焼付処理し、その後、仮保持部材10の先端保持部16を縮径して仮保持を解除し、サイドストラクチャ50及びルーフパネル40を所定の接合手段で接合する。【選択図】図3
DISSIMILAR-METAL MEMBER BONDING METHOD AND TEMPORARILY HOLDING MEMBER USED IN THE BONDING METHOD
異種金属部材の接合方法及び該接合方法に用いられる仮保持部材
2019-10-10
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |
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