Pipe fitting welding method and compensation ring applied to pipe fitting welding

• Main Authors: GUO BAOCHAO, JIANG EN, SHAO SHANJIA, BU JIAWEI, GONG HONGWEI
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• 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

The invention discloses a pipe fitting welding method and a compensation ring applied to pipe fitting welding. The pipe fitting welding method comprises the steps that to-be-welded base metal pipe fittings are in end-to-end butt joint, and a compensation ring is annularly arranged on the periphery of the butt joint position of the base metal pipe fittings; and vacuum electron beam welding is carried out on the butt joint of the base metal pipe fittings, the compensation ring is fused together to form a welding seam at the butt joint of the base metal pipe fittings, and the compensation ring is used for enabling the lowest position of the outer surface of the welding seam to be higher than or flush with the peripheral face of the base metal pipe fittings. In this way, the risk that welding seams are not fully welded can be reduced, the welding seams are formed through one-time welding, and the quality of the welding seams can be guaranteed. 本申请公开了一种管件焊接方法以及应用于管件焊接的补偿环。该管件焊接方法包括：将待焊接的母材管件进行端对端对接，其中母材管件的对接处的外周环设