In the manufacturing of plastic pipes (such as PE, PVC, PP-R, etc.), the pipe mold is the core production tool. It extrudes molten plastic into shape under high temperature and pressure, ensuring the mechanical performance and uniformity of products used in water supply, gas transmission, drainage, mining, and other fields. The mold base (mold frame), which serves as the key structural skeleton supporting every precision pipe mold, is the cornerstone determining the overall accuracy, stability, and production efficiency of the mold. As a leading manufacturer in the mold base industry, we leverage over four decades of professional expertise in the mold sector to provide high-standard, high-stability mold base solutions for pipe molds worldwide.
Why is the Mold Base So Important?
The mold base is the semi-finished product and structural framework of the mold. Its precision directly determines the performance of the final pipe mold:
- Dimensional Stability: Ensures that the wall thickness, diameter, and length of extruded pipes meet stringent standards, catering to high-precision application scenarios.
- Interchangeability and Sealing: Guarantees perfect alignment of mold components, enhancing production efficiency and product consistency.
- Load-Bearing Capacity: Maintains structural rigidity under the high-pressure, high-temperature extrusion process, extending the mold’s service life.
As the "skeleton" of the pipe mold, the manufacturing quality of the mold base is the core indicator for measuring mold performance.
Our Manufacturing Capabilities: Providing High-Precision Support for Pipe Molds
With advanced manufacturing and testing capabilities, we specialize in producing medium-to-large, high-precision mold bases, particularly suited for pipe extrusion molds that demand exceptional stability and durability.
1. Expert Team and Advanced Equipment
- A team of over 100 experienced engineers and technical workers with extensive expertise in designing mold bases for pipe molds.
- Equipped with over 64 precision machining tools, including 35 advanced CNC machining centers, ensuring consistent machining accuracy.
- The largest machining center boasts a maximum travel of X-axis 3500mm, Y-axis 2500mm, and Z-axis 1500mm, capable of handling oversized mold bases for large-scale pipe molds.
2. Strict End-to-End Quality Control
Every process—from material cutting, rough milling, fine milling, deep hole drilling, to precision grinding—strictly adheres to the ISO9001 International Quality Management System, ensuring:
- Dimensional tolerances controlled within ±0.01mm, suitable for high-precision components such as gears, optical parts, and core components of pipe molds.
- Surface finish and structural rigidity fully meet the high-pressure, high-temperature requirements of pipe extrusion processes.
3. Rapid Response and Flexible Supply
- In-house raw material warehouse with long-term stock of high-quality mold steels such as P20, S50C, 2738, and 718, significantly shortening delivery cycles.
- Support for customization based on drawings or samples, enabling the production of non-standard large mold bases for diverse applications, including automotive parts, home appliances, and pipe molds.
Applications in the Pipe Mold Industry
Our mold bases are widely used in various medium-to-large, high-precision plastic extrusion molds, including:
- Mold Bases for Pipe Extrusion: Suitable for efficient production of PE water pipes, PVC drainage pipes, PP-R hot water pipes, and more.
- Large Plastic Mold Bases: Customizable for large injection mold bases used in products like LCD TVs, air conditioners, and washing machines.
- Export-Grade Quality Standards: Products exported to Southeast Asia, Europe, the United States, and other regions, serving renowned enterprises such as Foxconn, BYD, Hisense, and Haier.
Conclusion: Precision Mold Bases, Driving the Future of Pipe Manufacturing
In the specialized field of pipe molds, we remain committed to the principles of "Quality First, Continuous Improvement." We transform four decades of accumulated expertise in mold base manufacturing into enhanced competitiveness for our clients. Whether for standardized pipe molds or customized extrusion production lines, we provide high-precision, high-stability, and fast-delivery mold base solutions, ensuring efficiency and quality in your pipe manufacturing processes.
Huizhou Changhui Metal Products Co., Ltd.
Over 40 years of expertise in mold base manufacturing, providing a robust and precise foundation for pipe molds worldwide.
Mold manufacturers and pipe production enterprises are welcome to inquire about collaboration. Customization based on drawings or samples is supported.
