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Help CenterHeavy Duty Plastic Mold for Lubricant & Industrial Packaging Threaded Bottle Caps
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner in high-performance injection mold solutions. Since our establishment in 2017, we have specialized in manufacturing heavy duty plastic molds for lubricant and industrial packaging threaded bottle caps. Our molds are engineered to deliver exceptional durability, precision, and cycle efficiency, ensuring your production lines run smoothly. With a factory spanning 1,000–3,000 square meters and a team of 51–100 skilled professionals, we combine advanced technology with rigorous quality control to meet the demands of global markets.
Our Heavy Duty Plastic Mold for Lubricant & Industrial Packaging Threaded Bottle Caps is designed for high-volume, continuous production of threaded caps used in oil, grease, chemical, and industrial containers. Key features include:
- Superior Material Selection: Constructed from premium alloy steels (e.g., 2311, 2738, or H13) for excellent wear resistance and thermal conductivity.
- Precision Threading: Custom thread profiles (e.g., 28mm, 38mm, 45mm) ensure a secure seal and consistent torque performance.
- Multi-Cavity Efficiency: Available in 4, 8, 12, 16, or more cavities to maximize output per cycle.
- Advanced Cooling System: Conformal cooling channels reduce cycle time by up to 20% and minimize part warpage.
- High Durability: Life expectancy of over 1 million shots with proper maintenance, reducing your long-term tooling costs.
- Compatibility: Designed to fit standard injection molding machines (e.g., 160–500 ton clamping force).
- Easy Maintenance: Modular design with interchangeable inserts for quick thread changes and repairs.
| Parameter | Value |
| Mold Base | LKM or equivalent (custom) |
| Cavity Steel | S136 / 2311 / 2738 |
| Hardness | HRC 48–52 |
| Surface Finish | Sparking / EDM / Polishing (Ra 0.4μm) |
| Thread Tolerance | ±0.02mm |
| Cycle Time (per shot) | 8–15 seconds (depending on cap size) |
| Mold Weight | 800–2,500 kg |
Why Choose Our Heavy Duty Mold? The lubricant and industrial packaging industry demands caps that withstand harsh chemicals, temperature variations, and repeated handling. Our mold’s robust construction and precise cooling ensure every cap meets strict dimensional and sealing standards. By using our mold, you can reduce scrap rates, improve production efficiency, and achieve consistent quality across millions of parts. Additional benefits include:
- Reduced Downtime: Hardened tooling and optimized ejection system minimize maintenance intervals.
- Customization: We offer tailored solutions for special thread designs, tamper-evident features, or multi-color caps.
- Global Compatibility: Our molds are built to work with injection molding machines from all major brands (e.g., Haitian, Engel, KraussMaffei).
- After-Sales Support: We provide comprehensive documentation, spare parts, and remote troubleshooting.
Trusted by Clients Worldwide
Since our founding in 2017, Changzhou Hongxinyutai Precision Mold has grown into a reliable partner for customers in North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our 51–100 employees operate from a 1,000–3,000 sqm facility, equipped with CNC machines, EDM, and CMM inspection equipment. We hold TS16969 certification, reflecting our commitment to quality management in the automotive and industrial sectors. Our molds are exported via major ports (Jiangsu, Shanghai, Shenzhen) and have been used in high-volume production of lubricant caps for leading brands. We invite you to contact us for a quotation or technical consultation. Let us help you optimize your cap production with a mold that delivers performance and value.
Frequently Asked Questions
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Q: What is the typical lead time for a heavy duty mold?
A: Lead time depends on complexity and cavity count. Typically, a single-cavity mold takes 20–25 days, while multi-cavity molds (8–16 cavities) require 30–45 days. We can expedite for urgent orders upon request. -
Q: Can you produce molds for caps with special tamper-evident features?
A: Yes, we can design and manufacture molds with integrated tamper-evident ring mechanisms, snap-on designs, or other custom features. Please provide your cap drawing or sample. -
Q: What materials are used for the mold cavity and core?
A: We typically use 2311, 2738, or S136 steel for cavities and cores, depending on your production volume and material (e.g., PP, HDPE, LDPE). For extremely abrasive resins, we recommend H13 or coated steel. -
Q: Do you offer mold testing and sample approval?
A: Yes, we perform trial shots at our facility and provide samples for your approval before shipment. We can also adjust the mold based on your feedback. -
Q: What is the warranty period for your molds?
A: We offer a 12-month warranty against defects in materials and workmanship, covering normal use. Extended warranty plans are available upon request. -
Q: Can you retrofit existing molds from other manufacturers?
A: Yes, we provide mold repair, modification, and refurbishment services. We can upgrade cooling, add cavities, or change thread profiles. -
Q: How do you ensure the thread dimensions are accurate?
A: We use CMM (Coordinate Measuring Machine) and thread gauges to inspect every cavity. Our tolerance is ±0.02mm, ensuring consistent fit with bottles. -
Q: What is the minimum order quantity (MOQ) for a custom mold?
A: We do not have a strict MOQ. We accept single mold orders. However, for multi-cavity molds, we recommend a minimum of 2 cavities to justify the tooling cost.
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