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1. (WO2018056945) METHOD FOR PRODUCING BEAMS WITH AN UNDULAR WEB AND WELDING DEVICE FOR THE IMPLEMENTATION THEREOF

Pub. No.:    WO/2018/056945    International Application No.:    PCT/UA2017/000088
Publication Date: Fri Mar 30 01:59:59 CEST 2018 International Filing Date: Sat Sep 02 01:59:59 CEST 2017
IPC: B23K 5/00
B23K 9/16
B23K 37/02
B23K 101/28
Applicants: GRINSHPUN, Vadim Fedorovich
ГРИНШПУН, Вадим Федорович
Inventors: GRINSHPUN, Vadim Fedorovich
ГРИНШПУН, Вадим Федорович
Title: METHOD FOR PRODUCING BEAMS WITH AN UNDULAR WEB AND WELDING DEVICE FOR THE IMPLEMENTATION THEREOF
Abstract:
The invention can be used in the production of beams with an undular web by automatic or semi-automatic welding. Each lateral flange is connected to the edges of an undular web simultaneously from the direction of the upper surface of the web by a fillet weld using a welding device with two welding guns. The position of the welding guns relative to the surface of a welding table is measured and the positions of the welding device and the nozzles of the welding guns are synchronized relative to the length of the undular web. Welding is carried out using an arc-shaped intermittent weld with set length and leg parameters. The welding table and a carriage for the device for implementing the method are movably mounted in relation to each other. At least two oppositely oriented welding guns are connected to the carriage such that the axes of the welding gun nozzles can be moved simultaneously in a plane perpendicular to the surface of the welding table. At least one roller follower is fastened in the bottom part of the carriage. The device comprises a means for fixing the position of the roller follower relative to the surface of the welding table. The axis of the roller follower is situated in the same plane as the axes of the welding guns. The invention makes it possible to increase the reliability of a welded joint and the strength parameters of beams with an undular web.