{
  "$type": "site.standard.document",
  "description": "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…",
  "path": "/patents/1374308",
  "publishedAt": "2025-03-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K20/124",
    "K.S.M. Co., Ltd."
  ],
  "textContent": "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).",
  "title": "ELECTRIC VEHICLE BATTERY CASE MANUFACTURING METHOD"
}