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METHOD FOR CIRCUMFERENTIAL WELDING BY HIGH ENERGY BEAM
METHOD FOR CIRCUMFERENTIAL WELDING BY HIGH ENERGY BEAM
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机译:高能梁作周向焊接的方法
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摘要
PURPOSE: To avoid the reduction in the strength of the joint by attenuating the beam energy while deviating the beam from the circumferential track to complete the welding after the prescribed circumferential track is welded once. ;CONSTITUTION: After the prescribed regular circumferential welding track 1 is welded once, the welding point is changed to the beam 2 which is deviated from the circumferential track, and the welding is completed by attenuating the beam energy. When the joint is subjected to the internal pressure P, the X member is subjected to the high stress while the Y member is subjected to the low stress. As the positions A-E of penetration of the deviated beam are present on the Y member, the strength of the joint is not reduced. After the circumferential welding of the X member and the Y member by the high energy electronic beam, in the welding of dissimilar members, the reduction of the strength of the joint is prevented by deviating the attenuated beam in the completion of the welding is deviated to the material whose crack sensitivity is small.;COPYRIGHT: (C)1994,JPO
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