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Help CenterHigh-Efficiency 16-Cavity Flip-Top Cap Injection Mold, Hot Runner, S136 Steel With Mirror Polish, Precision Cooling Channels, Stable Cycle
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd., a trusted manufacturer established in 2017 with a factory spanning 1,000 to 3,000 square meters and a dedicated team of 51–100 skilled professionals. Our High-Efficiency 16-Cavity Flip-Top Cap Injection Mold is engineered to deliver exceptional productivity and precision for producing flip-top caps used in beverage, cosmetic, and household product packaging. Featuring a hot runner system, S136 steel with mirror polish, and precision cooling channels, this mold ensures stable cycle performance and superior part quality, making it an ideal solution for high-volume production.
This mold represents the pinnacle of our engineering expertise, combining advanced design with robust construction. The 16-cavity layout significantly boosts output while maintaining consistent tolerances. The hot runner system minimizes material waste and reduces cycle time, while the S136 stainless steel provides excellent corrosion resistance and durability. The mirror-polished cavity surface guarantees flawless cap appearance, and the precision cooling channels optimize heat dissipation for uniform shrinkage and stable cycles.
Key Features & Technical Specifications
- 16 Cavities: High-efficiency multi-cavity design for mass production, suitable for standard 28mm or 38mm flip-top caps (customizable).
- Hot Runner System: Pre-engineered manifold with temperature-controlled nozzles ensures balanced filling and zero gate vestige, reducing scrap.
- S136 Steel Construction: Premium hardened stainless steel (HRC 48–52) offers excellent wear resistance and corrosion protection.
- Mirror Polish Finish: Cavity surface polished to Ra 0.05 μm for glossy cap surfaces and easy release.
- Precision Cooling Channels: Conformal cooling lines near cavity walls minimize cooling time and reduce cycle variation.
- Stable Cycle Performance: Optimized gate locations and cooling design achieve consistent cycle times of 8–12 seconds (depending on cap design and material).
- Certified Quality: Manufactured under TS16969 quality management system (certification available).
| Parameter | Specification |
| Number of Cavities | 16 |
| Mold Base Material | S136 (AISI 420 modified), hardened |
| Surface Roughness (Cavity) | Ra ≤ 0.05 μm (Mirror Polish) |
| Runner System | Hot Runner (open gate or valve gate, optional) |
| Cooling Method | Precision machined channels (conformal design) |
| Typical Cycle Time | 8–12 seconds (depending on cap geometry & material) |
| Mold Weight (approx.) | 800–1,200 kg (customizable) |
| Applicable Machine | Injection molding machine ≥ 200 tons (recommended) |
Customer Benefits
- Higher Output: 16 cavities increase production per cycle, directly reducing per-part cost.
- Reduced Waste: Hot runner system eliminates cold runner scrap, saving material costs.
- Excellent Part Appearance: Mirror-polished cavities produce glossy, blemish-free caps that enhance product shelf appeal.
- Faster Cycle Times: Precision cooling channels reduce heat retention, enabling faster cycles and higher throughput.
- Long Mold Life: S136 steel and robust heat treatment ensure durability for millions of cycles with proper maintenance.
- Stable Quality: Uniform cooling and balanced filling minimize warpage and dimensional variation.
Why Choose Changzhou Hongxinyutai Precision Mold?
Since 2017, our company has grown into a reliable partner for global mold buyers. We operate a 1,000–3,000 m² facility equipped with advanced CNC machines, EDM, and polishing stations. Our team of 51–100 experienced engineers and technicians ensures every mold meets strict quality standards. We hold TS16969 certification, reflecting our commitment to quality management in automotive and industrial applications. Our molds are exported to North America, South America, Europe, Southeast Asia, Africa, and Oceania, with flexible shipping from Jiangsu, Shanghai, or Shenzhen ports.
We understand that reliability and consistency are paramount in injection molding. This flip-top cap mold undergoes rigorous testing before delivery, including dry runs, water flow checks, and sample trials. We offer comprehensive after-sales support, including spare parts, maintenance guidelines, and remote troubleshooting. Contact us today to discuss your specific flip-top cap requirements and receive a detailed quotation. Let our expertise help you achieve optimal production efficiency.
Frequently Asked Questions (FAQ)
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Q: What materials can this mold process?
A: It is designed for common thermoplastics like PP, PE, and HDPE. For other materials like PS or PET, please consult our engineers for slight modifications. -
Q: How long is the mold lifespan?
A: With proper maintenance, the S136 steel mold can produce 5–10 million cycles or more. Actual life depends on material abrasiveness and operating conditions. -
Q: What is the typical delivery time?
A: Standard lead time is 30–45 working days after design approval. Urgent orders may be expedited upon request. -
Q: Do you provide sample testing?
A: Yes, we offer sample molding at our facility. Customer can provide material or we recommend suitable grades. -
Q: Is the hot runner system brand fixed?
A: We can integrate hot runner systems from brands like Yudo, Incoe, or Synventive per your preference, or we supply our standard reliable system. -
Q: Can the mold be adapted for other cap sizes?
A: The 16-cavity layout is optimized for a specific cap size (e.g., 28mm). Customizing cavity size is possible, but may affect the number of cavities. -
Q: What warranty do you offer?
A: We provide a 12-month warranty against manufacturing defects. Spare parts are available for quick replacement. -
Q: How do you ensure the cooling channels are effective?
A: We use CFD simulation and precision machining to achieve uniform cooling. Flow rate and temperature tests are conducted before shipment.
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