TIG welding process for battery pack shells and cover plates
The invention discloses a TIG welding process for battery pack shells and cover plates. The process comprises the following steps: (1) workpieces are cleaned; one surfaces of the battery pack shells and one surfaces of the cover plates are firstly brushed by a copper brush, then, are erased by aceto...
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Format: | Patent |
Sprache: | chi ; eng |
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