METAL PLATE MATERIAL JOINING METHOD, METAL JOINED BODY, AND METAL PLATE MATERIAL JOINING DEVICE

• Main Authors: YOSHIDA MITSUHIRO, TANIGUCHI MASAYUKI, TAKADA HAJIME
• Format: Patent
• Language: English; Japanese
• Published: 13.03.2023
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

To secure joint strength between metal plate materials when a plurality of metal plate materials are joined to each other, and secure effective conductivity between the joined metal plate materials.SOLUTION: A metal plate material joining method is a metal plate material joining method for joining a plurality of metal plate materials 11 and 12 includes: a polishing step of polishing each joint surface of the plurality of metal plate materials 11 and 12; a joint step of joining the joint surfaces of the plurality of metal plate materials 11 and 12; heating steps 11 and 12 of heating the plurality of metal plate materials 11 and 12 to a predetermined heating temperature; a pin push-in step of pushing in a pin 20 to the joint surfaces of the plurality of metal plate materials 11 and 12 by a predetermined push-in amount in an approximately vertical direction from the outside of the plurality of metal plate materials 11 and 12, and deforming the plurality of metal plate materials 11 and 12; and a pin extraction step of extracting the pin 20 from the plurality of metal plate materials 11 and 12.SELECTED DRAWING: Figure 2 【課題】複数枚の金属板材同士を接合する際に、金属板材間の接合強度を確保するとともに、接合した金属板材間における有効な導電性を確保する。【解決手段】本発明に係る金属板材接合方法は、複数枚の金属板材１１、１２同士を接合するための金属板材接合方法であって、複数枚の金属板材１１、１２のそれぞれの貼合面を研磨する研磨ステップと、複数枚の金属板材１１、１２の貼合面同士を貼り合わせる貼合ステップと、複数枚の金属板材１１、１２を所定の加熱温度に加熱する加熱ステップ１１、１２と、複数枚の金属板材１１、１２の外方から、複数枚の金属板材１１、１２の貼合面に対して略垂直方向に所定の押込量だけピン２０を押し込んで複数枚の金属板材１１、１２を変形させるピン押込ステップと、複数枚の金属板材１１、１２からピン２０を抜き取るピン抜取ステップと、を有する。【選択図】図２