Method for improving welding quality of closed cavity
The invention discloses a method for improving the welding quality of a closed cavity, which comprises a first welding piece and a second welding piece, wherein the first welding piece is welded to the second welding piece, the closed cavity is formed between the first welding piece and the second w...
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| creator | ZHANG YINGYUN LIANG JIZHONG HU SHENGSHUANG CHEN JINHUI WANG HAOJUN |
| description | The invention discloses a method for improving the welding quality of a closed cavity, which comprises a first welding piece and a second welding piece, wherein the first welding piece is welded to the second welding piece, the closed cavity is formed between the first welding piece and the second welding piece after welding, a vent hole is formed in the first welding piece before welding, the vent hole is used for balancing the internal and external pressure difference of the closed cavity in the welding process, after welding is completed, a plug matched with the vent hole is welded to the vent hole to form a complete weldment, the hole wall of the vent hole is conical, the plug is in a circular truncated cone shape, and the taper of the circular truncated cone shape of the plug is consistent with that of the hole wall of the vent hole; and a plurality of vent grooves penetrating through the upper surface and the lower surface of the circular truncated cone are formed in the peripheral surface of the circul |
| format | Patent |
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and a plurality of vent grooves penetrating through the upper surface and the lower surface of the circular truncated cone are formed in the peripheral surface of the circul</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | 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 |
| title | Method for improving welding quality of closed cavity |
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