Die Casting

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Metal castings with close tolerance, tremendous surface detail, and thin intricate walls can be manufactured using die casting. Due to the rapid cooling at the die walls smaller grain structures are formed, resulting in manufactured metal castings with superior mechanical properties.

Metal die casting process is mainly used for making typical parts like tools, locks, toys, carburetors, machine components, various housings, motors, lighting fixture parts, instrument enclosures, motor frames, foot pedals, high precision machine parts, etc.

1. Metal casting manufacture can be highly automated, making labor cost low.
2. With high set-up cost and productivity, it is especially used for a large quantity castings from small to medium size.
3. The main metal casting material has zinc, aluminium, copper, magnesium, lead, tin, etc.
4. Material selection is according to technical standards, including ASTM, ANSI, SAE, DIN and BS.

Advantages of Metal Die Casting Process
1.Aluminum (aluminum alloy) die casting has advantages of lightweight, excellent corrosion resistance, good mechanical properties, high thermal and electrical conductivity, high dimensional stability for complex shapes and thin walls, and retains strength at high temperature.
2.Zinc die casting is the easiest alloy to cast and plate, which features high ductility, high impact strength, promoting long die life as well as economical for small parts.
3. Magnesium die casting is the lightest and easiest alloy to manufacture with excellent strength-to-weight ratio.
4. Copper (brass, bronze) die casting features high hardness, good corrosion resistance, highest mechanical properties of alloys die cast, good wear resistance, excellent dimensional stability and high strength that approaching steel parts.
5. Stainless steel die casting has high degree of dimensional accuracy and surface finish, with a small amount of mechanical processing work, which greatly saves a large equipment, metal material and working hours.
6. Lead and tin die casting high density, extremely close dimensional accuracy, used for special forms of corrosion resistance.

1. Ability to manufacturing complex cast molds and metal parts.
2. The precision machining after casting.
3. Strict quality control and testing report, includes: X-Ray, Chemical Composition, Mechanical Property Test, CMM dimensional checking.

Aluminum Die Casting (Aluminum Alloy)
Materials: A356, A360, A380, A390, A383, A413, AlSi10Mg, ADC-12, ADC-14, LM4, LM6, LM9
Standards: ASTM B85 Die Castings
1. Provide casting parts with complex shape, thin walls and nice surface finish.
2. Help minimize follow-up machining and finishing operations.
3. Typically a die casting mold is expensive, but the unit production cost is very economical.

Zinc Die Casting
Materials: Zamak ZA3, ZA8, ZA12, ZA27, Zinc alloy 2, 3, 5, 7

Magnesium Die Casting
Materials: AZ91D, AM60B, AM60, AM50
1. With strong, rigid, fully recyclable, it is the ideal alloy for saving weight when you don’t want to sacrifice durability.
2.It's 75% lighter than steel, 33% lighter than aluminum, offering component and feature integration. Providing a high dimensional stability that improves fit and finish.

Brass Die Casting (Bronze Die Casting)
Materials: C6801, C6802, C6803, C6804, C23000, C6931, C6932, CDA 220 Com. Bronze, CDA 230 Red Brass, CDA 268 Yellow Brass, CDA 316 Leaded Bronze, CDA 510 Phos. Bronze, CDA 642 Al Bronze, CDA 655 High Silicon, CDA 903 Tin Bronze, CDA 863 Mn Bronze, CDA 875, CDA 874, CDA 820, CDA 825, CDA 825, CDA 828
Standards: ASTM B584 copper alloy sand castings
MIL-C-22087, MIL-B-16444, QQ-C-593, QQ-L-225, QQ-B-691, QQ-C-390, QQ-B-726, AMS-4855, AMS-4855, AMS-4860, SAE-620, SAE-40, SAE-43
Features: Providing high quality, high performance and low cost brass die casting (bronze die casting) when your casting parts require high strength, corrosion resistance, heat resistance, conductivity and attractive appearance.

Die Casting Process Flow Chart

Process Flow of 40# Machining Center

We are a professional supplier of die casting in China, offering a high quality affordable, metal die casting process solution. We also provide the following services:
1. Heat Treatment: Hardening, Annealing, Normalizing, Stress Relieving, Softening, and Graphitization.
2. Machining:Turning, Boring, Drilling, Milling, Threading, Grinding, Cutting, Engraving, EDM Machining, Riveting.
3. Surface Treatment: Metal Polishing (Metal Mirror Polished, Brushed Metal Finishing), Shot Blasting, Sandblasting, Spray Painting, Powder Coating, Thermal Spraying, Anodizing, Chrome Plating, Nickel Electroplating / Electroless Nickel Plating, Hot-Dip Galvanizing, Copper Plating, Phosphorizing, Electrophoresis and Passivation.
4. Assembly: Stud, Steel Sall & Helicoil Inserts, O-ring, Gasket
5. Packing
6. Testing Report, Quality Control Report
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