FIELD: process engineering.
SUBSTANCE: invention relates to welding, particularly, to electron beam welding vacuum of different-thickness parts. Said butt locking joint is made between large-depth part, lock base being made at weld edge end, and smaller-depth part to be jointed thereto. Note here that lock base is skewed at 45°≤α≤60°, while welding is effected with butt penetration through entire depth. Lock base can be skewed straightly or in zigzag manner.
EFFECT: higher quality of seam.
3 cl, 6 dwg
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