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1. 发明专利

JPH10249534A METHOD FOR JOINING WELDING WIRE 失效
公开(公告)号：JPH10249534A
公开(公告)日：1998-09-22
申请号：JP5949097
申请日：1997-03-13
申请人： NISSAN MOTOR
发明人： MINAGAWA HAJIME , MIYAMOTO HITOSHI , ISHIHARA MOTOFUMI , IWASE MASAYUKI
IPC分类号： B23K11/02 , B21F11/00 , B21F15/08 , B23K9/12
摘要： PROBLEM TO BE SOLVED: To join the welding wire with the strength necessary for stably feeding the welding wire without generating any burrs in a joined part by joining the welding wires so that the side parts at the tip of the welding wires each and part to be joined is formed in a ridge shape and arranged opposite to each other in the mutually crossing manner. SOLUTION: The apex angle θ of the ridge of welding wires W1, S2 to be joined with each other is preferably 80-120 deg.. The welding wire W2 clamped to a movable side electrode D2 is brought into contact with the welding wire W1 clamped to a fixed side electrode D1 with the angle intersection between the side parts E1, D2 being 90 deg.. Energization is started as soon as the contact of the wires, and heat generation is started. The welding wires W1, W2 are constantly brought into contact with a center part of the wire diameter, the center part is melted, the melting is expanded in the outer circumferential direction, the welding wire W2 is pressed against the welding wire W1, the molten metal is projected, and energization is shut off immediately before the projected molten metal becomes burns. The procedure can be served for the welding without generating any burrs on the joined parts.

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