How to Make a Die Casting Mould ?

The process of making a die casting mold involves several intricate steps to ensure precision and quality in the final product. Here's an overview of the typical process involved in making a die casting mold:
1. Design and Engineering:
The first step in making a die casting mold is to create a detailed design based on the specifications of the final product. This involves engineering considerations such as part geometry, material properties, and production requirements.
2. Material Selection:
Once the design is finalized, the appropriate materials for the mold are selected. Die casting molds are typically made from hardened steel, such as H13, DIEVAR tool steel, due to its high strength and wear resistance.
3. CNC Machining Process:
The next step is to use computer numerical control (CNC) machining to fabricate the mold components from the chosen material. CNC machining allows for precise shaping and detailing of the mold cavity, core, sprue, runners, and other features.
4. Heat Treatment:
After machining, the mold components undergo heat treatment to improve their hardness and durability. Heat treatment processes such as quenching and tempering are commonly used to achieve the desired material properties.
5. Assembly:
Once the individual components are machined and heat-treated, they are assembled into a complete die casting mold. This involves fitting the cavity and core together, along with any additional components such as ejector pins, cooling channels, and venting systems.
6. Surface Finishing:
Surface finishing techniques, such as polishing and coating, may be applied to the mold to enhance its performance and prolong its lifespan. These finishing processes help achieve smoother surface finishes on the final castings and reduce the risk of defects.
7. Testing and Validation:
Before the mold is put into production, it undergoes rigorous testing and validation to ensure its functionality and reliability. This may involve trial runs with simulated casting processes to verify the mold's performance and make any necessary adjustments.
8. Production:
Once the mold has been tested and approved, it is ready for production. Molten metal is injected into the mold cavity under high pressure, where it solidifies to form the desired part shape. The mold is then opened, and the finished part is ejected, ready for further processing or assembly.
The process of making a die casting mold is a complex and precise undertaking that requires careful planning, engineering expertise, and advanced manufacturing techniques. By following these steps, manufacturers can create high-quality molds that meet the exact specifications of their customers and ensure the production of consistent, reliable castings.

At Jihai Precision, we take pride in our robust research and development (R&D) capabilities, which are at the forefront of innovation in the field of custom die casting mold manufacturing.
Focusing on die casting dies design and build, we have accumulated more than 12 years of experience exporting die casting die (mainly 90% exporting ), customers all over the world can enjoy the high quality of product, service, responsiveness, and reliability from Jihai Precision.
We strive to establish a long-term partnership that will be based on competence, responsibility and engagement with regular and potential customers.
According to customer’s request, Tailored solutions will be offered. We can collaborate closely with you in any part of the development process: from specialized material, castability optimization of the desired castings, through customized die design and building, to prototyping and sampling. Our enhanced and valuable experience and commitment to quality ensure our customers that we will create a premium quality product at a competitive price.