Electronic beam welder for laminated workpiece and its welding method

An electronic beam welder for laminated workpiece is disclosed. An electronic gun is positioned at upper part of low-vacuum chamber. The workpiece is fixed to a rotary bench driven by a motor. A cylinder is at one side under the rotary bench and is positioned under and outside the low-vacuum chamber...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHUN YAO, CHUNMING GAO, SONGNIAN LOU
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:	An electronic beam welder for laminated workpiece is disclosed. An electronic gun is positioned at upper part of low-vacuum chamber. The workpiece is fixed to a rotary bench driven by a motor. A cylinder is at one side under the rotary bench and is positioned under and outside the low-vacuum chamber. The bottom plane of rotary bench is positioned in bottom slot of low-vacuum chamber. A sealing ring is under the rotary bench. The external ring seam is welded by the electronic beam with full-enclosed pass-in surface of workpiece (greater than 360 deg) and open pass-out ring surface is between 330 deg and 350 deg. The start and stop points for next welded seam have a difference of one circular arc angle, at least a difference of 15 deg.and within 90 deg.