Flame adjusting and repairing process for stainless steel thin sheets used for rail vehicle body
The invention discloses a flame adjusting and repairing process for stainless steel thin sheets used for a rail vehicle body. The flame adjusting and repairing process for the stainless steel thin sheets used for the rail vehicle body comprises the following steps that step SS1, a heating adjusting...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a flame adjusting and repairing process for stainless steel thin sheets used for a rail vehicle body. The flame adjusting and repairing process for the stainless steel thin sheets used for the rail vehicle body comprises the following steps that step SS1, a heating adjusting and repairing point area is designated on a welding seam of an adjusting and repairing sample plate, the diameters of heating adjusting and repairing points are controlled at 10mm-15mm, and spacing between the heating adjusting and repairing points is controlled at 20mm-50mm; step SS2, the length of an adjusting and repairing flame of a firing gun is controlled at 50mm-60mm, and the tip end of the adjusting and repairing flame is used for point heating for the heating area designated on the welding seam; step SS3, the heating temperature is controlled at 700 DEG C to 900 DEG C; step SS4, the heating time of each adjusting and repairing point is controlled at 7s-10s; and step SS5, After heating is finished, the samp |
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