SOLID BACKING MATERIAL FOR ONE-SIDE WELDING

SOLID BACKING MATERIAL FOR ONE-SIDE WELDING

PURPOSE:To form penetration beads having excellent uniformity without defects such as reinforcement of weld, undercut, etc. by providing projections on the surface of a backing material which contacts with the rear surface of the groove of materials to be welded. CONSTITUTION:A solid backing materia...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TANAKA TAKAYOSHI, SUDA KAZUSHI, KAWABE HITOSHI, KANBE YOSHIO
Format: Patent
Sprache:eng
Schlagworte:
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
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Beschreibung
Zusammenfassung:PURPOSE:To form penetration beads having excellent uniformity without defects such as reinforcement of weld, undercut, etc. by providing projections on the surface of a backing material which contacts with the rear surface of the groove of materials to be welded. CONSTITUTION:A solid backing material for one-side welding is constituted by providing continuous or discontinuous projections 11 to the top surface thereof, i.e., the surface which contacts with the rear surface of the groove of materials 4 to be welded. Projections 11a, 11b of a refractory solid material which contacts with penetration beads 5 are melted by the arc heat of welding and a suitable slag layer 6 is formed by such backing material. The penetration beads having excellent uniformity without defects such as reinforcement of weld, undercut, etc. are thus formed.