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1. (WO2018202575) APPARATUS FOR REPAIRING A METAL SHEET METHOD OF OPERATING THE SAME, AND METHOD OF REPAIRING A METAL SHEET

Pub. No.:    WO/2018/202575    International Application No.:    PCT/EP2018/060860
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Sat Apr 28 01:59:59 CEST 2018
IPC: B23K 28/02
B23K 37/04
B23K 37/02
Applicants: IPCO SWEDEN AB
Inventors: NEUMAYR, Conny-Christian
KÖIJER, Lars, Anders
Title: APPARATUS FOR REPAIRING A METAL SHEET METHOD OF OPERATING THE SAME, AND METHOD OF REPAIRING A METAL SHEET
Abstract:
An apparatus for repairing a metal sheet and method of operating the same are provided. The apparatus includes: a base unit including: a frame and an attachment feature on the frame, a cutting unit removably attachable to the base unit to cut out a damaged portion of the metal sheet, and a welding unit removably attachable to the base unit. The cutting unit includes: a cutting arm including a cutting blade, and a motor for operating the cutting arm. The welding unit includes: a fixed platform, a weld movement motor for moving a moveable platform on the fixed platform, and a welding assembly, attached to the moveable platform, to automatically weld a replacement piece to the metal sheet. In operation, the frame is continuously attached to the metal sheet during cutting of the damaged portion and welding of the replacement piece, providing a stable and repeatable frame of reference.