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METHOD OF DETERMINING OPTIMAL INCLINATION ANGLE OF BEAM AXIS RELATIVE TO SURFACE OF SAMPLE AT ELECTRON-BEAM WELDING
METHOD OF DETERMINING OPTIMAL INCLINATION ANGLE OF BEAM AXIS RELATIVE TO SURFACE OF SAMPLE AT ELECTRON-BEAM WELDING
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机译:确定电子束焊接中相对于样品表面的梁轴最佳倾角的方法
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摘要
FIELD: selection of mode of electron-beam welding of parts by an inclined beam. SUBSTANCE: method comprises steps of changing an inclination angle value of a beam at electron- beam welding according to a polar coordinate with a pole, coincided with an axis of the beam and laying on a surface of a sample; calculating an optimal value of the inclination angle of the beam as an arithmetic mean of angles in boundaries of a portion of high-quality formation of a welded seam; performing in addition an alternation of linear and polar motions of the beam; using the sample with its one surface to be welded being cylindrical and having a radius, equal to a thickness value of the sample; arranging a center of the cylindrical surface on an opposite surface of the sample; in order to increase an accuracy of determination of the optimal inclination angle of the beam, making both surfaces to be welded cylindrical ones with a radius value, equal to a half of the thickness of the sample upon placing the pole of the polar coordinate and displacing it on an axis of symmetry of the sample. EFFECT: enhanced accuracy of beam inclination angle determination at electron-beam welding. 4 cl, 5 dwg
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