Mold for Magnesium Die Casting

 
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Magnesium alloy features:
Extremely low weight
High specific strength
Excellent shock absorption
Good electromagnetic shielding
Easy for cutting and machining
Excellent die-casting fluidity

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Core features of die-casting Magnesium Mold:
Strong resistance to high temperature and oxidation
Excellent corrosion and erosion resistance
High toughness and anti-cracking performance
Fast heat conduction and stable mold temperature
High wear and erosion resistance
Smooth demolding and anti-sticking property

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What are the properties of Magnesium?

  • The lightest among industrial structural metals
  • Excellent natural shock absorption and damping property
  • Superior electromagnetic shielding performance
  • Extremely easy for cutting and machining
  • Excellent fluidity for thin-wall and complex casting
  • High biodegradability and biocompatibility

Technologies of Molds for Magnesium

  • Strict selection of die steel material
  • Reinforced surface nitriding treatment
  • Precise and strict mold temperature control
  • Denser and optimized cooling water channels
  • Enlarged and deepened exhaust system
  • High polishing for cavity and demolding structure

 

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Correspondence of Magnesium Alloy Grades in Different Regions

 

Key Mold Points for Different Grades of Die-Casting Magnesium Alloys

General structural magnesium alloy AZ91D
Mold steel: Conventional H13, SKD61 hot work steel are applicable.
Key points: Standard nitriding, regular water cooling and venting; focus on anti-sticking and slight corrosion protection.

High-toughness load-bearing grade AM60B / AM50A
Mold steel: High-toughness hot work die steel with moderate quenched and tempered hardness.
Key points: Improve mold impact resistance and crack resistance; strengthen mold frame rigidity to reduce deformation.

High-strength heat-resistant grade AS41B / AS21
Mold steel: Special hot work steel with high heat resistance and thermal fatigue resistance.
Key points: Dense cooling water channels, strict mold temperature control, deep nitriding to resist high-temperature erosion.

Thin-wall precision high-end die-casting magnesium alloy
Mold steel: Mirror-grade die steel for high polishing.
Key points: Mirror cavity polishing, enlarged exhaust structure, optimized runner design for ultra-thin filling.

Special high corrosion-resistant magnesium alloy
Mold steel: Special die steel with high resistance to corrosion and molten metal erosion.
Key points: Strengthen surface anti-corrosion treatment, deepen nitriding layer, strictly control smelting to avoid oxidation erosion.

Semi-solid forming magnesium alloy billet
Mold steel: High wear-resistant and high pressure-resistant die steel.
Key points: Higher cavity precision, optimized draft angle; resist high-pressure injection and surface dragging marks.

 

Application Fields and Typical Products of Magnesium Alloy

Aerospace Industry

Typical Products: Aerospace structural brackets, aircraft shells, satellite precision parts, landing gear components.

 

Automotive Transportation

Typical Products: Car instrument panel frame, gearbox housing, steering wheel frame, door structural parts.

 

3C Electronics Industry

Typical Products: Laptop housing, mobile phone middle frame, tablet bracket, power bank shell.

 

Rail Transit Industry

Typical Products: Train interior components, seat frames, carriage precision fittings, lightweight structural parts.

 

Military Equipment Industry

Typical Products: Military precision housings, firearm parts, individual equipment brackets, communication instrument shells.

 

Medical Device Industry

Typical Products: Medical equipment brackets, rehabilitation device components, portable instrument shells, medical lightweight fittings.

 

New Energy Industry

Typical Products: New energy vehicle motor housing, energy storage equipment frame, photovoltaic lightweight bracket, battery box fittings.

 

Hardware & Tool Industry

Typical Products: Power tool housing, garden equipment body, tool handles, precision hardware die-cast parts.

 

Daily & Leisure Industry

Typical Products: Bicycle frame, outdoor sports equipment, luggage frame, high-end furniture fittings.

 

 

As one of the most professional magnesium alloy die casting mold manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to wholesale bulk premium magnesium alloy die casting mold from our factory. Also, custom service is available.

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