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Help CenterPlastic Wide-Mouth Jar Screw Cap Mold With Mold Protection System – Precision CMM Inspected Tooling
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Changzhou Hongxinyutai Precision Mold Co., Ltd. – a dedicated manufacturer with over 1,000 square meters of facility and 51–100 skilled employees – presents our Plastic Wide-Mouth Jar Screw Cap Mold. This tooling is engineered with an advanced Mold Protection System and undergoes rigorous CMM (Coordinate Measuring Machine) inspection to ensure unmatched precision and repeatability. Since 2017, we have focused on delivering high-quality molds for the global packaging industry, serving markets across North America, South America, Europe, and Asia.
Our wide-mouth jar screw cap mold is designed to produce consistent, leak-proof caps for a variety of applications, including food jars, cosmetic containers, and pharmaceutical bottles. The integrated mold protection system minimizes downtime and extends tool life, while the precision CMM inspection guarantees that every cavity meets strict dimensional tolerances. Whether you need a standard 4-cavity layout or a high-output 16-cavity configuration, our mold can be customized to your exact specifications.
Key Features & Technical Specifications
- Mold Protection System: Built-in sensors and mechanical safeguards prevent damage from ejector pin misalignment, cavity pressure spikes, or part sticking – reducing maintenance costs and production interruptions.
- Precision CMM Inspected Tooling: Every mold is verified on a 3D coordinate measuring machine to ensure cavity dimensions, thread pitch, and parting line accuracy within ±0.02 mm.
- High-Wear Resistant Steel: Constructed from premium tool steel (e.g., S136, H13, or 1.2343) with optional nitriding or DLC coating for extended service life.
- Multi-Cavity Flexibility: Available in 4, 8, 12, 16, or 32 cavities to match your production volume requirements. Hot runner or cold runner systems are optional.
- Customizable Thread & Cap Design: Supports various thread profiles (continuous, interrupted, or snap-on) and cap sizes from 28 mm to 120 mm in diameter.
- Efficient Cooling System: Optimized cooling channels reduce cycle time by up to 15% compared to standard designs, improving overall productivity.
- Compliance with International Standards: Manufactured under TS16969 quality management system, ensuring consistent output and traceability.
Typical Parameters (Example for a 16-Cavity Mold)
| Parameter | Value |
| Mold Base | LKM or HASCO standard (customizable) |
| Cavity Steel | S136H (HRC 48-52) or H13 (HRC 50-54) |
| Cavity Count | 16 |
| Cap Diameter Range | 63 mm – 110 mm |
| Thread Pitch | 5 mm (customizable) |
| Cycle Time | 8–12 seconds (depending on material and cap design) |
| Cooling Method | Baffle + spiral water channels |
| Injection Pressure | 1200–1800 bar |
Benefits to Your Production: By choosing our wide-mouth jar screw cap mold, you gain a partner that prioritizes uptime and quality. The mold protection system reduces the risk of costly repairs, while the CMM-certified precision ensures that every cap meets your customer's sealing requirements. The optimized cooling system can lower your energy consumption per cycle, and the customizable cavity count allows you to scale from small pilot runs to mass production seamlessly.
Why Hongxinyutai Precision Mold?
Established in 2017, our factory in Changzhou, Jiangsu, spans 1,000–3,000 square meters and houses a team of 51–100 experienced professionals. We hold TS16969 certification, which reflects our commitment to quality management and continuous improvement. Our molds are exported to over 15 countries and regions, including North America, Europe, Southeast Asia, and Africa. We have shipped thousands of mold sets with a proven track record of reliability and customer satisfaction.
From initial design to final CMM inspection, every step is monitored by our quality control team. We offer comprehensive after-sales support, including mold trial documentation, spare parts supply, and remote troubleshooting. Our goal is to provide tooling that not only meets your specifications but also enhances your production efficiency and product consistency.
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for a custom wide-mouth jar screw cap mold?
A: Lead time depends on cavity count and complexity. Generally, a 4–8 cavity mold takes 20–30 working days, while a 16–32 cavity mold may require 35–45 working days. We can expedite urgent orders upon request.
Q2: Can the mold protection system be retrofitted to an existing mold?
A: Yes, we offer retrofit solutions for existing molds. Our engineers will assess your current tooling and design a protection system that integrates with your injection molding machine.
Q3: What cap materials are compatible with this mold?
A: The mold is designed for thermoplastics commonly used in cap manufacturing, such as PP, HDPE, LDPE, and PET. It can also be adapted for bioplastics or recycled materials with proper testing.
Q4: How does the CMM inspection ensure quality?
A: CMM inspection measures each cavity's critical dimensions (thread pitch, diameter, concentricity) against the CAD model. A detailed report is provided with the mold, offering traceability and confidence in the tooling's accuracy.
Q5: Do you provide mold trial and sample production?
A: Yes, we can perform mold trials at our facility and provide up to 50 sample caps for your evaluation. We also offer video recording of the trial run for remote verification.
Q6: What is the warranty period for this mold?
A: We offer a standard 12-month warranty against defects in materials and workmanship. Extended warranty options are available upon request.
Q7: Can you produce molds with a tamper-evident feature?
A: Absolutely. We can design and manufacture molds that produce caps with tamper-evident bands, child-resistant features, or any other custom closure requirement.
Q8: How do you handle shipping and customs documentation?
A: We ship from Jiangsu, Shanghai, or Shenzhen ports. We provide all necessary export documents, including packing list, commercial invoice, and certificate of origin. For international buyers, we can also assist with FOB or CIF terms.
Ready to elevate your cap production? Contact Changzhou Hongxinyutai Precision Mold Co., Ltd. today for a quote or technical consultation. Our team is dedicated to providing you with a reliable, precision-engineered mold that delivers consistent results — backed by the strength of a TS16969-certified manufacturer with global experience.
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