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Help Center1*16 Multi-Cavity Injection Mold for PP Bottles - OEM Service, Glossy Finish, Robotic Arm Collection
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Changzhou Hongxinyutai Precision Mold Co., Ltd. proudly presents our 1×16 Multi-Cavity Injection Mold for PP Bottles – a precision-engineered solution designed to maximize productivity while maintaining superior surface quality. As a dedicated manufacturer since 2017, we combine advanced robotic arm collection with a glossy finish to deliver molds that meet the rigorous demands of high-volume bottle production. Our OEM service ensures every mold is tailored to your specific bottle design, helping you bring products to market faster with consistent, repeatable precision.
This 16-cavity mold is specifically optimized for polypropylene (PP) bottle manufacturing, offering exceptional flow characteristics and rapid cooling for cycle time reduction. The glossy finish is achieved through precise polishing and chrome plating options, ensuring your bottles have an attractive, scratch-resistant surface. With robotic arm collection, the ejection process is fully automated, reducing human intervention and enhancing production efficiency. Below, we detail the key technical specifications and benefits.
Key Technical Specifications
| Parameter | Value / Range |
|---|---|
| Cavity Number | 1×16 (16 cavities) |
| Mold Base Standard | DME, HASCO, or customer-specified |
| Steel Grade (Cavity/Core) | 718H, S136, NAK80, or equivalent |
| Surface Finish | SPI A-1 to A-3 (mirror gloss), custom texture also available |
| Cooling System | Conformal cooling channels, optimized baffle/core cooling |
| Ejection Method | Robotic arm with picker plate / suction cups |
| Recommended Machine Tonnage | 150 – 250 tons (depending on part weight) |
| Cycle Time Estimate | 6 – 12 seconds (based on PP grade & geometry) |
| Mold Lifespan | 500,000 – 2,000,000+ cycles with proper maintenance |
| Certification | TS16969 compliant quality management system |
Product Features & Benefits
- High Gloss Finish: Our advanced polishing technology produces a mirror-like surface that enhances bottle aesthetics and reduces secondary finishing. Suitable for cosmetic, pharmaceutical, and premium food containers.
- Precision Multi-Cavity Design: 16 cavities ensure balanced filling and consistent part weight across all cavities, minimizing scrap and maximizing output per shot. Each cavity is individually cooled for uniform shrinkage.
- Robotic Arm Integration: Designed with a dedicated picker plate interface for seamless robotic collection. This reduces cycle time, eliminates manual handling, and protects the glossy surface from scratches during ejection.
- OEM Flexibility: As a custom mold maker, we accommodate any bottle shape, neck finish, and thread design. We can incorporate hot runner systems, valve gates, or cold runners according to your production needs.
- Durable Construction: Mold components are manufactured from high-grade steels with hardness up to HRC 50-52, ensuring longevity under high-speed automated production.
- Optimized Cooling: Conformal cooling channels dramatically reduce cycle time by up to 30% compared to conventional straight-drilled cooling, leading to higher annual output.
- Easy Maintenance: Modular design allows quick replacement of inserts and sliders. All components are labeled and documented for fast troubleshooting and preventive maintenance.
- Cost-Effective for High Volumes: With 16 cavities, your per-unit tooling cost is spread over massive production runs. The mold is engineered to operate 24/7 with minimal downtime.
Why Choose Changzhou Hongxinyutai Precision Mold?
Founded in 2017, we have grown into a reliable partner with a factory spanning 1,000 – 3,000 square meters and a skilled team of 51 – 100 employees. Our production facility is equipped with CNC machining centers, EDM machines, and high-precision grinding equipment to ensure every mold meets strict tolerances. We have successfully exported molds to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. Our quality management system is TS16969 certified, reflecting our commitment to automotive-grade precision – now applied to bottle molding. We handle all logistics from our convenient ports in Jiangsu, Shanghai, and Shenzhen.
We understand that a mold is an investment in your production line. That’s why we offer comprehensive OEM/ODM services, including design review, mold flow analysis, and trial-run support. Every mold undergoes rigorous testing before shipment, with documentation of cycle time and part quality. With our robotic arm collection capability, you can achieve lights-out manufacturing and reduce labor costs. Contact us today to discuss your PP bottle project – we will provide a detailed proposal and sample parts for your evaluation.
Frequently Asked Questions
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Q: What is the typical lead time for a 1×16 PP bottle mold?
A: Lead time ranges from 30 to 45 working days, depending on complexity and hot runner customization. We can expedite for urgent projects. -
Q: Do you provide trial samples before mass production?
A: Yes, we offer initial sample trials at our facility. We can adjust cavities and optimize process parameters to meet your quality standards. -
Q: Is the glossy finish suitable for transparent PP bottles?
A: Absolutely. The SPI A-1 finish is ideal for achieving high clarity and gloss on transparent PP. We also support tinted or opaque bottles. -
Q: Can the mold be adapted for different bottle neck finishes?
A: Yes, we design molds with interchangeable inserts for neck rings, allowing you to produce multiple bottle styles from the same mold base. -
Q: How does robotic arm collection improve production efficiency?
A: Robotic collection reduces the mold open time by 1–2 seconds per cycle, eliminates operator intervention, and prevents surface damage, increasing overall OEE. -
Q: What maintenance is required for this mold?
A: Regular cleaning of cooling passages, lubrication of moving components, and inspection of cavity surface wear. We provide a detailed maintenance manual with every mold. -
Q: Do you offer a warranty on the mold?
A: Yes, we provide a 12-month warranty against defects in materials and workmanship. After-sales technical support is available via video call or on-site. -
Q: Can I integrate a hot runner system with this mold?
A: Certainly. We can equip the mold with hot runner systems from leading brands (e.g., Husky, Mold-Masters, Synventive) to suit your material and cycle requirements.
Partner with Changzhou Hongxinyutai Precision Mold Co., Ltd. – your reliable source for high-performance PP bottle molds. With our expertise in multi-cavity design, glossy finishes, and robotic automation, we help you produce bottles that stand out. Contact our sales team for a free consultation and quote.
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