汽车冲压模具是指用于生产汽车车身、座椅等零部件的模具。它通过将金属材料加热到高温状态后快速冷却，以形成复杂的形状和结构。模具的设计需要考虑到车辆的功能需求、成本控制以及环境保护等因素。冲压模具还涉及到模具制造、设计、测试等多个环节，需要专业的技术和设备支持。
A: Die for material cutting B: Forming die (no extrusion) C: Extruding die D: Trimming die (overhang die) E: Rolling die F: Riveting die G: Package die (used mainly on the hood or engine cover)
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