790×630×495mmBasic size
Process characteristics：weight: 10~20% lighter than the integral type; cost reduction by 8~15%; product features: high strength, high elongation, and lightweight.
Material requirements：material designation: QT700-10; tensile strength of the body: ≥700 Mpa; elongation ≥10%; hardness: HB200-HB250; structural process: cast shaft type instead of integral type.