{
  "node": {
    "id": "term:gigacasting",
    "type": "Term",
    "label": "Gigacasting",
    "properties": {
      "id": "gigacasting",
      "name": "Gigacasting",
      "aka": [
        "giga casting",
        "megacasting",
        "Giga Press"
      ],
      "section": "topic-manufacturing",
      "definition": "Casting a large vehicle structure, such as a whole front or rear underbody, in one piece on an aluminium high-pressure die-casting machine with a locking force of 6,000 tonnes or more. It replaces dozens of stamped and welded parts; in some vehicles a structural battery pack bolts in between the front and rear castings to form the floor.",
      "related": [
        "cell-to-chassis",
        "enclosure",
        "friction-stir-welding",
        "electric-vehicle"
      ],
      "url": "https://lemonergy.com/learn/glossary/gigacasting/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:4910",
      "source": "term:gigacasting",
      "target": "topic:topic-manufacturing",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:4911",
      "source": "term:gigacasting",
      "target": "term:cell-to-chassis",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4912",
      "source": "term:gigacasting",
      "target": "term:enclosure",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4913",
      "source": "term:gigacasting",
      "target": "term:friction-stir-welding",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4914",
      "source": "term:gigacasting",
      "target": "term:electric-vehicle",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-manufacturing",
      "type": "Topic",
      "label": "Manufacturing",
      "properties": {
        "id": "topic-manufacturing",
        "name": "Manufacturing",
        "lede": "The steps that turn powders and foils into a finished cell, in production order.",
        "context": "Place operations and quality checks in process order.",
        "example": "An electrode can meet coating mass targets but fail adhesion or moisture checks later.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-production/",
        "lesson_label": "Open production"
      }
    },
    {
      "id": "term:cell-to-chassis",
      "type": "Term",
      "label": "Cell-to-chassis",
      "properties": {
        "id": "cell-to-chassis",
        "name": "Cell-to-chassis",
        "abbr": "CTC",
        "aka": [
          "cell-to-body",
          "structural battery"
        ],
        "section": "topic-pack",
        "definition": "Integrating the cells into the vehicle floor itself, so the battery enclosure is the chassis and the cells help carry its loads. It saves mass and height but binds the battery to the car for life.",
        "related": [
          "cell-to-pack",
          "enclosure",
          "cell-to-pack-ratio"
        ],
        "url": "https://lemonergy.com/learn/glossary/cell-to-chassis/",
        "mentions": []
      }
    },
    {
      "id": "term:enclosure",
      "type": "Term",
      "label": "Enclosure",
      "properties": {
        "id": "enclosure",
        "name": "Enclosure",
        "aka": [
          "battery housing",
          "battery tray"
        ],
        "section": "topic-pack",
        "definition": "The sealed case that carries the modules, protects them in a crash, keeps water out to an IP67 rating or better and vents gas in a thermal event. In many cars it is a structural part of the body.",
        "related": [
          "pack",
          "ip-rating",
          "cell-to-chassis",
          "venting",
          "gigacasting",
          "ul-94"
        ],
        "url": "https://lemonergy.com/learn/glossary/enclosure/",
        "mentions": []
      }
    },
    {
      "id": "term:friction-stir-welding",
      "type": "Term",
      "label": "Friction stir welding",
      "properties": {
        "id": "friction-stir-welding",
        "name": "Friction stir welding",
        "abbr": "FSW",
        "section": "topic-manufacturing",
        "definition": "Joining metal by plunging a rotating pin tool into the joint line and traversing it, so friction softens the material without melting it and the pin stirs the two sides together. It welds aluminium extrusions into leak-tight battery trays and seals cooling plates with low distortion and without the porosity and cracking of fusion welds.",
        "related": [
          "enclosure",
          "cooling-plate",
          "laser-welding",
          "resistance-welding"
        ],
        "url": "https://lemonergy.com/learn/glossary/friction-stir-welding/",
        "mentions": [
          "porosity"
        ]
      }
    },
    {
      "id": "term:electric-vehicle",
      "type": "Term",
      "label": "Electric vehicle",
      "properties": {
        "id": "electric-vehicle",
        "name": "Electric vehicle",
        "abbr": "EV",
        "aka": [
          "BEV",
          "battery electric vehicle"
        ],
        "section": "topic-applications",
        "definition": "A vehicle driven by an electric motor from a battery charged from the grid. A battery electric vehicle has no engine; it is the largest market for lithium-ion cells and the driver of most pack technology.",
        "related": [
          "hybrid-vehicle",
          "range",
          "pack",
          "regenerative-braking",
          "maritime-battery",
          "industrial-vehicle-battery"
        ],
        "url": "https://lemonergy.com/learn/glossary/electric-vehicle/",
        "mentions": []
      }
    }
  ]
}