Precision Die Casting

Manufacturer of Precision Die Casting

 

 

Dongguan Xiangyu Hardware Factory is a leading high performance precision die casting manufacturer. Precision die casting products provided include zinc alloy die casting mold, precision die casting mould, aluminum alloy die casting mold and other accurate and strong castings. We also provide engineering expertise, state of the art technology to meet the toughest challenges.

 

Why Choose Us

 

Quality Assurance

Dongguan Xiangyu Hardware Factory was established in 2001, cooperated with Delta Electronics, and passed the ISO9001 quality certification in 2006.

Professional Team

It covers an area of 10,000 square meters and employs 150 people. We have a team of highly educated, highly qualified and highly skilled professionals.

Production Equipment

20 CNC machining centers, 7 EDM spark machines, 10 milling machines, 2 surface grinders, 4 cold chamber die casting machines 400T, 10 hydraulic presses, 40 tapping machines, 10 CNC machining centers and CNC lathes, etc.

Quality Service

Customer's satisfaction is always our priority concern. Good after-sale service, handling the customer complaint and solve problem for customers.

 

 

Types of Precision Die Casting
 

Precision Die Casting Mould
The precision die casting mould is a crucial component in the manufacturing process, enabling the production of high-precision and high-quality castings. It involves the use of advanced technology and precise engineering to create moulds that can withstand the high pressure and temperature of the die casting process.

 

Aluminum Alloy Precision Die Casting Molds
Aluminum alloy precision die casting mold is a metal-forming process that allows for the creation of complex aluminum parts. Ingots of aluminum alloy are heated to very high temperatures until they are entirely molten.

 

Zinc Alloy Precision Die Casting Mold
Our luggage die-cast accessories is made from high-quality zinc alloy by zinc alloy precision die casting mold, ensuring durability and longevity.

 

Precision Die Casting Mold Processing
Precision die casting mold processing are essential components in the electrical industry, known for their high production efficiency and utilization rate. This method allows for the creation of intricate and complex shapes with excellent dimensional accuracy.

 

 

Technical Parameters

 

 

Size

Customized

Mold Life

50,000-1,000,000 Shots

Pressure

0-500T

Design

3D/2D Drawing

Material

Aluminum, Zinc, Magnesium, Copper, Etc.

Tolerance

±0.01mm

Minimum Wall Thickness

0.5mm–1.0mm to Maintain High Strength

 

Zinc Alloy Precision Die Casting Mold

Benefits of Precision Die Casting

 

 

Complex Geometries

Precision die casting allows for the production of components with intricate geometries and complex shapes. This is particularly important for industries requiring detailed and precise parts.

Dimensional Accuracy

Achieving high dimensional accuracy ensures that components fit perfectly into assemblies, reducing the need for additional machining and enhancing the overall efficiency of the manufacturing process.

Consistent Quality

Precision die casting guarantees consistent quality across large production runs. This consistency is critical for maintaining product reliability and performance.

Material Efficiency

By minimizing material waste and optimizing the use of raw materials, precision die casting contributes to cost savings and environmental sustainability.

Enhanced Performance

High-precision components exhibit superior mechanical properties, such as strength, durability, and thermal conductivity, making them ideal for demanding applications.

 

 
Application of Precision Die Casting
 

 

01/

Automotive: Many automotive parts, such as gears, pistons, and housings, are made using precision die casting.

02/

Aerospace: Precision die casting aluminum is especially popular for aerospace components due to its lightweight.

03/

Electronics: Electronic housings and connectors are commonly made from precision die casting aluminum, zinc, or magnesium, providing good shielding from radio frequency interference (RFI) and electromagnetic interference (EMI).

04/

Medical Industry: Precision die casting is able to create parts that adhere to FDA standards and safety regulations, making it a suitable process for fabricating medical devices and toolings.

05/

Construction: Window frames, cladding, and other structural components are commonly made from precision die casting metals, especially aluminum.

06/

Parts of household components: Precision die casting is used in fabricating hardware such as sink faucets, drawer pulls and knobs, door handles, toys, power tool casings, heat sinks, etc.

 

Surface Finishing for Precision Die Casting

 

Anodizing
The anodizing process creates a protective oxide layer on aluminum, significantly enhancing corrosion resistance and surface hardness.

 

Sand Blasting
This process uniformly textures surfaces using pressurized sand, effectively removing contaminants while imparting a matte finish. It's suitable for both aesthetic and functional improvements.

 

Brushed Finish
A brushed finish provides a distinctive texture with line patterns, ideal for visual appeal while still maintaining functional properties.

 

Powder Coating
As machined finish leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.

 

Polishing
Achieve a mirror-like finish through our expert polishing service, which enhances both aesthetic appeal and corrosion resistance.

 

 

Precision Die Casting Process

Clamping
The two halves of the die are clamped together with enough force to keep it secure when the metal is injected.

 

Injection
Molten metal is injected into the die. The transfer method of the metal depends on whether a hot chamber machine or cold chamber casting machine is used.

 

Cooling
The molten metal is allowed to cool and solidify when it enters the die cavity.

 

Ejection
Once the cooling time has passed, the two halves of the die will be opened and the casting is pushed out with an ejection mechanism.

 

Trimming
Excess material will be trimmed from the casting.

Zinc Alloy Die Casting Mold

 

Safety Measures for Precision Die Casting

The first step to keeping your employees safe is ensuring they are using proper PPE. This means using masks and gloves, as well as safety shoes and glasses.

 

Before starting the die cast process, check the placements to see if it is in the right place and equipment is in good condition. If you find any defects, do not use them until they are fixed or replaced by another die casting equipment.

 

Do not use any equipment or materials that do not have a valid certificate of safety. If you are not sure about the quality, it is always a better choice not to start the die casting process.

 

Cleaning up immediately after finishing any work on a die casting process or other pieces of equipment by disposing of waste properly.

 

Keeping all chemicals labeled “dangerous” away from everyone but those who need them.

 

Proper ventilation is an extremely important factor to let the toxic fumes pass away safely that are produced from molten metal in die casting process.

 

Other Services
 

Packing

Carton, plywood cases, pallets.

Customization

Easy die-casting and later precision machining to support customer customization, such as specific size, shape or function.

Delivery Time

The lead time depends on the complexity of the parts and the quantity ordered. We will provide you with an estimated delivery time upon receiving your order.

Provide Samples

We can provide samples for your evaluation and approval to ensure that the parts meet your requirements.

Payment Methods

Telegram Transfer, Western Union, L/C, Paypal for small amount of payment.

Shipping Method

We will send samples by air(DHL, UPS, TNT, Fedex…). Mass production will be shipped by sea.

 

 

FAQ

 

Q: What are the hard spots on precision die castings?

A: Hard spots in die castings are a casting flaw that aluminum precision die casting factories encounter during processing. The casting has small spots that are harder than the metal matrix, which may be oxidized and doped or slag inclusions. Therefore, hard spots will cause severe tool wear and increase processing difficulty.

Q: What is the best aluminum for precision die casting?

A: Alloy A380 (ANSI/AA A380. 0) is by far the most widely cast of the aluminum die casting alloys, offering the best combination of material properties and ease of production. It may be specified for most product applications.

Q: What are the parameters of precision die casting?

A: Pouring temperature, high-speed switching point positions, and critical injection speed are selected as the three process parameters of the experimental study. The selected process parameters respectively have an impact on the solidification state and filling process.

Q: Is zinc good for precision die casting?

A: Zinc strength, ductility and stability allows specialists to obtain a better and more resistant product. It is this high ductility that makes zinc ideal for die casting process, in which it is necessary to sustain pressure and expansion without fracturing.

Q: What is the minimum thickness for aluminum precision die casting?

A: The recommended wall thickness for aluminum precision die casting parts ranges from 0.787 in – 0.1737 inch. However, the size is subject to change depending on the part's structure, size, the material used, and application, as you could have aluminum die casting components with wall thickness as thin as 0.020 in.

Q: What is the cycle time for precision die casting?

A: The precision die casting cycle time depends on the weight of the components. While typically a very quick process, die casting can take from a few seconds for small components to a few minutes for large, heavier components. The quick cycle times allows you to complete high production runs as efficiently as possible.

Q: What is the minimum draft angle for precision die casting?

A: For standard aluminum castings, engineers will incorporate ± 1-2° of draft angle to accommodate for the abrasive nature of the metal. For zinc castings, the standard for draft angles is 0.5°.

Q: What is the minimum radius for precision die casting?

A: Even with the smallest fillets, castings can gain appreciable strength and reduced tension. At the minimum, a radius of 0.4mm is recommended in place of sharp edges. Radii can be larger where permitted but can be limited to 0.8mm if they are to be inconspicuous.

Q: What is the cold flow in precision die casting?

A: Flow marks manifest as visible lines or streaks on the casting surface due to the flow of molten metal during mold filling. They can be caused by flaws in part geometry and inadequate gating and runner design.

Q: Is precision die casting environmentally friendly?

A: Many precision die casting materials, like aluminum and zinc, are recyclable. The process itself also minimizes waste through precise material usage.

We're professional precision die casting manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized precision die casting from our factory. Contact us for free sample.

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