High-Efficiency China Front Protection Plate Mold - Reliable Suppliers & Factory for Automotive Parts
This mold is a large injection mold specifically designed for automotive front protective panels (such as A-pillar upper panels). By optimizing the gating system and core-pulling mechanism, it solves the problems of difficult filling of thin-walled parts and easy breakage of angled ejector pins. Both the mold cavity and core material are made of P20 steel, and the mold base is made of 45# steel. It is equipped with a water cooling system and a hot runner + side gate combination injection system to ensure high precision and durability.
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1. High-efficiency Production
◎ Molding cycle ≤ 30 seconds, hot runner system reduces waste and improves efficiency.
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2. Structural Optimization
◎ The double-slanted push rod core-pulling mechanism enhances demolding stability and reduces the risk of breakage.
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3. Durable Material
◎ P20 steel mold cavity/core material + 45# steel mold base, balancing hardness and impact resistance.
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4. Precise Cooling
◎ The water cooling system quickly controls the temperature, ensuring the dimensional stability of the plastic parts.
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5. Multi-alveolar Design
◎ Two alveoli (right tooth + left tooth) to accommodate complex structures and reduce secondary processing.
Residences and Courtyards
Decoration of gate towers for villas and rural residences to enhance the aesthetics of building entrances.
Public Buildings
Landscape gate towers at the entrances of parks and scenic areas require complex patterns and high durability.
Project Facades
Decorative door frames for commercial projects and municipal engineering projects, combining practicality and aesthetics.
| Cavity Material | P20 steel |
| Core Material | P20 steel |
| Mould Base Material | 45# |
| Ejection System | Pin ejector and ejection plate |
| Number of Cavity | 2 cavities (right + left) |
| Gate | Hot runner system + Normal side gate |
| Cooling System | By water |
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Both the mold cavity and core are made of P20 steel, which is widely recognized for its excellent hardness, polishability, and wear resistance — making it ideal for high-volume automotive injection molding applications.
The molding cycle is designed to be ≤ 30 seconds per cycle. This is achieved through the optimized hot runner system and the efficient water cooling system, significantly boosting production throughput.
The mold is equipped with a water-based cooling system that rapidly and uniformly controls the mold temperature during each injection cycle. This precise temperature management minimizes warpage and ensures consistent dimensional stability in the finished plastic parts.
This mold uses a combination of a hot runner system and a normal side gate. The hot runner system reduces material waste and eliminates cold runners, while the side gate configuration ensures smooth and balanced material flow into the cavity.
The double-slanted push rod core-pulling mechanism is specifically engineered to handle complex undercut geometries found in automotive A-pillar panels. This design evenly distributes ejection force, significantly reducing stress concentration on the ejector pins and minimizing the risk of breakage during demolding.
Yes. The mold features a 2-cavity design (right tooth + left tooth), allowing both the left-side and right-side A-pillar upper panels to be produced within a single molding cycle. This multi-cavity design maximizes production efficiency and reduces per-unit manufacturing costs.