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Help CenterHot Runner Square Thick-Wall Plastic Bottle Cap Mold, 40mm Pitch, Mold Protection System Included
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Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017 with a factory spanning 1,000–3,000 square meters and a dedicated team of 51–100 professionals, proudly presents our Hot Runner Square Thick-Wall Plastic Bottle Cap Mold designed with a precise 40mm pitch and an integrated Mold Protection System. This mold is engineered for high-volume production of durable, thick-wall plastic bottle caps, ensuring consistent quality and extended tool life. Our commitment to precision and reliability makes this mold a trusted choice for manufacturers across global markets, including North America, South America, Europe, and Asia.
Our advanced hot runner technology minimizes material waste and reduces cycle times, while the square thick-wall design accommodates caps with robust wall thickness for applications requiring superior sealing and structural integrity. The integrated Mold Protection System actively monitors and prevents damage from pressure fluctuations, material blockages, or improper operation, safeguarding your investment and reducing downtime. Below is a detailed overview of the product features and specifications.
Key Features & Benefits
- Hot Runner System: Ensures uniform melt flow, reduces material waste, and accelerates cycle times by up to 30% compared to cold runner systems.
- Square Thick-Wall Design: Ideal for producing caps with wall thicknesses of 2–5 mm, providing enhanced durability and leak-proof performance.
- 40mm Pitch Precision: Optimized cavity layout for multi-cavity molds (customizable), allowing high output per cycle while maintaining dimensional accuracy.
- Mold Protection System: Real-time sensors detect abnormal pressure, temperature, or filling issues; automatically halts operation to prevent damage to cavities and cores.
- High-Quality Steels: Constructed from premium tool steels (e.g., 2316, 2344) with optional surface treatments for wear resistance and corrosion protection.
- TS16969 Certification: Manufactured under a quality management system certified for automotive and precision mold applications, ensuring consistent performance.
- Easy Maintenance: Modular design with quick-change inserts and accessible cooling channels, simplifying cleaning and repair.
Technical Specifications
| Specification | Details |
| Mold Type | Hot Runner Square Thick-Wall Bottle Cap Mold |
| Pitch | 40mm (customizable) |
| Cavity Count | 4, 8, 16, 24, 32, 48 (available upon request) |
| Product Wall Thickness | 2–5 mm (typical for thick-wall caps) |
| Mold Base Material | S50C, 2316, or equivalent |
| Cavity/Core Steel | 2344, 2316, H13 (optional) |
| Hot Runner System | Multi-drop or valve gate (customizable) |
| Mold Protection | Integrated pressure & temperature sensors, automatic shutdown |
| Cooling System | Conformal or baffle cooling for uniform heat dissipation |
| Certification | TS16969 |
Why Choose Our Mold?
- Reduced Downtime: The Mold Protection System actively prevents costly damage, extending mold life by up to 50%.
- Consistent Quality: Hot runner technology ensures uniform cavity filling, reducing reject rates and improving output consistency.
- Energy Efficiency: Optimized heating and cooling systems lower energy consumption per part.
- Global Compatibility: Designed to fit standard injection molding machines from KraussMaffei, Engel, Husky, and others.
- Full Customization: We adjust cavity count, gate design, cooling layout, and surface finish to meet your specific cap requirements.
Since 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has been a trusted manufacturer serving clients in over 20 countries, including North America, Europe, and Southeast Asia. Our factory spans 1,000–3,000 square meters and employs 51–100 skilled professionals, ensuring rigorous quality control from design to delivery. We hold TS16969 certification, demonstrating our commitment to precision and reliability. With flexible shipping options from Jiangsu, Shanghai, and Shenzhen ports, we provide timely delivery and responsive after-sales support. Contact us today to discuss your bottle cap mold requirements and let our expertise help you achieve production excellence.
Frequently Asked Questions
1. What is the typical lead time for this mold?
Lead time depends on cavity count and customization. Standard molds (up to 16 cavities) take approximately 30–45 days; larger or highly customized molds may require 50–60 days. We can provide an accurate timeline upon request.
2. Can the mold be used for different cap sizes or designs?
Yes, the mold is customizable. We can adjust cavity dimensions, thread profiles, and sealing features to match your cap specifications. The hot runner system can also be configured for different gate types.
3. What materials are compatible with this mold?
The mold is designed for thermoplastics such as PP, PE, PET, and HDPE. For special materials (e.g., recycled content or high-temperature grades), we can recommend appropriate steel treatments and hot runner nozzles.
4. How does the Mold Protection System work?
Sensors monitor cavity pressure, temperature, and injection speed. If abnormal values are detected (e.g., due to material blockage or mold misalignment), the system automatically triggers a safe stop, preventing damage to the mold and reducing downtime.
5. Do you provide installation and after-sales support?
Yes, we offer remote or on-site commissioning support for new molds. Our technical team is available for troubleshooting during the warranty period and beyond. Spare parts are also available upon request.
6. What is the warranty period for this mold?
Standard warranty is 12 months from the date of shipment, covering manufacturing defects and workmanship. Extended warranty options are available.
7. Can you produce molds with very high cavity counts (e.g., 48 or 72)?
Yes, we can design and manufacture multi-cavity molds up to 72 cavities, depending on the cap size and machine clamping force. Please provide your production requirements for a feasibility study.
8. How do you ensure mold quality before shipping?
Every mold undergoes rigorous testing, including dimensional inspection, hot runner temperature uniformity check, and trial runs on our own injection molding machines. A detailed test report is provided with the shipment.
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