Mold for Aluminum Die Casting
Aluminum alloy features:
Light weight, High strength,
Corrosion resistance, Good thermal and electrical conductivity, Easy processing and Wide application.
Core features of die-casting aluminum mold:
High temperature resistance, Thermal fatigue resistance,
High hardness, Wear resistance, Balanced heat conduction,
Deformation & Crack resistance, High precision and Smooth demolding.
What are the properties of Aluminum?
- Ultra-light weight
- High strength performance
- Excellent corrosion resistance
- Good thermal conductivity
- Easy processing & forming
- Fine ductility plasticity
Technologies of Molds for Aluminum
- High temperature & thermal shock resistance
- Thermal fatigue and crack resistance
- High hardness and wear resistance
- Uniform heat dissipation and stable temperature control
- High precision cavity with anti-deformation
- Smooth demolding and anti-sticking
Correspondence of Aluminum Alloy Grades in Different Regions
Key Mold Points for Different Grades of Die-Casting Aluminum Alloys
Conventional ADC12 Aluminum Alloy (General-purpose Grade)
Die material: Standard H13 hot work die steel is sufficient.
Key points: Adopt conventional cooling and standard venting; apply ordinary nitriding to prevent slight aluminum sticking.
High-silicon Die-casting Aluminum Alloy
Die material: Select high wear-resistant die steel.
Key points: Expand venting grooves and strengthen surface nitriding to avoid cavity wear caused by silicon particles.
High-magnesium Die-casting Aluminum Alloy
Die material: Special corrosion-resistant die material.
Key points: Enhance rust and corrosion resistance; strictly control mold temperature to avoid intergranular corrosion and mold sticking.
High-strength Structural Die-casting Aluminum Alloy
(High-pressure & Thin-wall Parts)
Die material: High-toughness hot work die steel with proper quenching and tempering.
Key points: Improve mold clamping rigidity, optimize water channels to prevent deformation and enhance thermal fatigue resistance.
High-purity Low-impurity Die-casting Aluminum Alloy
(High-gloss Appearance Parts)
Die treatment: Mirror polishing on the mold cavity.
Key points: Strictly control mold temperature and optimize runner feeding to reduce oxide scale, air bubbles and drawing marks.
Application Fields and Typical Products of Aluminum Alloy
Automotive Transportation
Typical Products: Automobile wheel hub, engine housing, chassis bracket, body frame.
Industrial Die-casting
Typical Products: Motor housing, hardware fittings, machinery shell, precision die-cast parts.
Architectural Decoration
Typical Products: Broken bridge aluminum profile, door and window frame, curtain wall profile, aluminum alloy grille.
Rail Transit
Typical Products: High-speed train carriage, subway car body, rail vehicle fittings, interior components.
Electronic & Electrical Appliances
Typical Products: Laptop shell, mobile phone middle frame, heat sink, electrical shell parts.
Marine & Shipbuilding
Typical Products: Ship deck fittings, marine housing, yacht structural parts, marine hardware.
New Energy & Photovoltaic
Typical Products: Photovoltaic bracket, inverter housing, energy storage cabinet, new energy vehicle frame.
Daily Hardware
Typical Products: Aluminum alloy kitchenware, luggage profile, outdoor equipment, furniture fittings.
Aerospace Industry
Typical Products: Aircraft fuselage, wing, aviation bracket, aerospace structural parts.
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