ELECTRIC VEHICLE BATTERY CASE MANUFACTURING METHOD

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ELECTRIC VEHICLE BATTERY CASE MANUFACTURING METHOD

This abstract first appeared for US patent application 20250100070 titled 'ELECTRIC VEHICLE BATTERY CASE MANUFACTURING METHOD

Original Abstract Submitted

an electric vehicle battery case manufacturing method including a first cycle performing operation of sequentially performing a unit assembly preparing step (s), a first welding step (s), a first machining step (s), and a first inspection step (s), wherein the step (s) performs a process of preparing unit parts through aluminum extrusion and machining and then welding each sub-assembly, the step (s) performs a process of assembling the sub-assemblies produced through the step (s) and then performing metal inert gas (mig) welding or friction stir welding (fsw), the step (s) performs a process of performing machining or hole machining on a welding bead part and a distorted surface of a product assembled through the step (s), and the step (s) performs a process of conducting a leak test on the product corrected through the step (s).