Die casting is a casting process that injects molten metal into a mold under high pressure. It enables the formation of complex components in a single step. This process combines precision with the stability of mass production.
QD is a professional die casting foundry, specializing in multi-material die casting, including aluminum alloys and zinc alloys. Please contact QD for more information.
Core Advantages of Die Casting
Die casting is a preferred method for modern manufacturing. It precisely meets the needs of businesses:
| Advantage Dimension | Pain Points of Traditional Casting | Die – Casting Process Solutions |
| Production Efficiency | Multi – process operation, long cycle | One – step forming. Direct die – casting for complex structures. Shorten the cycle |
| Balance of Material and Strength | Few material adaptations, difficult to balance strength | Adapt to multiple materials such as aluminum alloy, zinc alloy. Combine light weight and high strength |
| Batch Stability | Much manual intervention, prone to quality fluctuations | Standardized process control. Consistent quality in batch production |
Single-shot Forming
Die casting uses high pressure to inject molten metal directly into a mold. Uniform curved surfaces and thin-walled structures can all be formed in a single operation. This significantly shortens the design-to-finish cycle, eliminating unnecessary costs.
Double Guarantee
The die casting process is compatible with a variety of materials, including aluminum alloys, zinc alloys, alloy steels, and stainless steel. It offers the dual advantages of lightweighting and high strength, meeting the stringent requirements of various sectors, including machinery and new energy.
Mass Production
The die casting process utilizes standardized processes, such as metal melting temperature and mold pressure control, to reduce manual intervention. Whether producing 100 or 10,000 pieces, the casting’s dimensional accuracy and structural strength remain consistent, reducing quality inspection costs and the risk of production line downtime.
Key Die-Casting Processes
The consistent quality of the die-casting process stems from standardized process design. Its core steps include:
- Mold Design and Preparation: Customizing the mold based on component structural requirements. Ensuring mold accuracy and a rational cooling system lays the foundation for molding.
- Metal Melting: Heating the metal material to a molten state. Controlling temperature and purity to ensure metal fluidity.
- Die-Casting: Molten metal is injected into the mold cavity under high pressure using a die-casting machine. Rapid filling and cooling solidify the mold, enabling the formation of complex structures in one go.
- Demolding and Finishing: Demolding the casting after cooling. Excessive parts such as gates and burrs are removed. Initially ensuring appearance and dimensional accuracy.
- Post-Processing: Heat treatment (for strength enhancement) and surface treatment (for rust prevention and aesthetics) are performed as required to enhance the overall performance of the casting.
QD Die-Casting Process Strength
Equipment and Capacity
- We have two in-house factories and two partner factories. Equipped with multiple sets of advanced die-casting equipment and testing instruments. We have established a complete production line from mold design to forming and cooling.
- Whether it’s standard batch production or special customization, we can quickly respond through flexible scheduling, allowing customers to “produce on demand, without waiting.”
Technology and Team
- With 20 years of experience, we are not only proficient in die casting, but also in multiple processes such as investment casting and sand casting. We are able to break through the limitations of a single process.
- QD’s expert team conducts a comprehensive assessment based on material properties, structural complexity, and application scenarios. Recommending the optimal process solution for customers. We can also accurately adapt even small batches.
Quality Control and Post-Processing
- Full-chain quality control: From the moment raw materials arrive, key indicators such as metal purity and mold accuracy are monitored, ensuring thorough inspection throughout the entire process.
- Professional post-processing: We provide heat treatment, surface treatment, and other technologies. Through precision fine-tuning, we enhance the performance and life of castings. Let every product stand the test.
Choose QD for Partnership
Adaptable across multiple fields. Understanding your needs
- Automotive: Chassis and powertrain components that combine lightweighting and high strength.
- Home appliances: Cooling components with precise structures and a balanced cost-effectiveness.
- New energy: Corrosion-resistant and stable energy storage devices and charging station components.
Full-process service to solve your problems
- Quick response: Urgent orders can shorten the turnaround time from drawing to sample.
- Flexible production: Supports small-batch trial runs, avoiding the waste of “high investment, low output.”
- After-sales guarantee: Promptly resolve usage issues during long-term partnerships. 20 years of reputation built on problem-solving.
Die-casting technology makes complex manufacturing simple. With 20 years of dedication, QD has evolved from “understanding casting” to “understanding needs.” From “making products” to “being a partner.”
If you’re looking for high-quality, highly adaptable, and highly stable casting solutions, please contact us. QD is more than just a foundry company; it’s your trusted die-casting partner.
FAQ
1. How thin can the walls of die-cast parts be? Will this affect strength?
The minimum wall thickness of conventional die-cast parts can be 0.5-3mm. Through mold optimization and process control, thin-walled castings can still maintain high strength. For example, aluminum alloy die-castings can achieve both lightweight and structural stability.
2. Are defects such as porosity and shrinkage prone to occurring during die-casting production? How can they be avoided?
They may occur. However, they can be avoided through technical controls. For example, QD strictly controls the purity of the smelting metal, mold venting design, and die-casting pressure parameters. Full-process quality inspection also allows for the timely removal of substandard products, ensuring a high yield.
3. Can die casting replace traditional casting? In what applications is die casting most suitable?
It cannot completely replace traditional casting. However, it is superior in certain applications. It is suitable for mass production of complex components that require lightweighting and precision, such as automotive parts and household appliance components.
4. Are there differences in die-casting process parameters for different materials? Will this affect lead time?
There are significant differences. For example, the melting temperature and die-casting pressure for aluminum and zinc alloys differ significantly. However, experienced manufacturers (such as QD) are familiar with the properties of multiple materials and can plan parameters in advance. This will not significantly increase lead time.
5. Can the surface treatment of die-cast parts meet special requirements such as corrosion resistance and wear resistance?
Yes. Through post-treatment processes such as electroplating, spray painting, and anodizing, die-cast parts can achieve properties such as rust prevention, wear resistance, and high-temperature resistance. QD will recommend an appropriate surface treatment solution based on the application scenario.