Foshan Baijinyi Precise Technology Co., Ltd.
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Service & Support for Preform Injection Molds
Maintenance and Refurbishment Services

In the fast-paced, competitive world of injection molding, the performance and longevity of hot runners and cold half molds are critical to your success. Proper care and refurbishment of these components are essential. At Baijinyi, we craft high-quality hot runners and cold half molds and offer comprehensive maintenance and refurbishment services to keep them in peak condition.

By maintaining and refurbishing your preform injection molds (hot runners and cold half molds), you can:

Restore your hot runner to like-new performance
Boost uptime for seamless operations
Minimize costly downtime
Enhance part output and consistency
Extend the lifespan of your hot runner system

Our refurbishment of the 72-cavity 1881 neck preform mold push plate involves replacing worn pressure strips, guide sleeves, and wear plates, which, due to extended use, lose precision and risk damaging other components. By fully re-machining and installing new parts, we restore the mold’s accuracy, significantly enhancing reliability and ensuring consistent, high-quality preform production compared to its prior state, where compromised components could lead to costly inconsistencies and downtime.

Maintenance and Refurbishment ServicesBefore
Service
Maintenance and Refurbishment ServicesAfter

Our refurbishment of the 72-cavity 1881 neck preform mold gripper robot transforms its performance by replacing the take-off tube, take-off sleeve, cooling core, and all plugs, while thoroughly cleaning the water channels. Previously, water scale buildup hindered cooling efficiency, and corrosion affected the take-off sleeve and tube, compromising reliability. Post-refurbishment, the restored components and cleared channels ensure optimal cooling and precision, delivering consistent, high-quality preform handling compared to the earlier state, where corrosion and scale risked inefficiencies and downtime.

Maintenance and Refurbishment ServicesBefore
Service
Maintenance and Refurbishment ServicesAfter
Lightweight Design for PET Preforms
Lightweight Design for PET Preforms

Lightweight PET preform design optimizes material distribution, structural strength, and molding processes to reduce raw material usage while maintaining performance, cutting production costs, and boosting environmental sustainability. Widely adopted in beverage, food, and daily chemical packaging, this approach aligns with global trends toward sustainable development.

Our lightweight design methods include:

Wall Thickness Optimization Precisely controlling thickness across preform sections to eliminate excess material while ensuring strength post-blow molding.
Structural Reinforcement Enhancing bottle neck support and refining base curvature to maintain mechanical integrity, preventing deformation during transport or filling.
Advanced Mold Technology Leveraging high-precision hot runner systems and rapid cooling techniques to guarantee dimensional stability and production efficiency for lightweight preforms.
Lightweight Design for PET Preforms
Advantages of Lightweight PET Preform Design
Cost Reduction Saves 5%–15% on raw materials, significantly lowering per-unit production costs.
Eco-Friendly Efficiency Cuts plastic usage and carbon emissions, aligning with green packaging trends.
Enhanced Production Shorter cooling times boost injection cycle efficiency.
Uncompromised Performance Optimized structures ensure lightweight preforms maintain strong pressure resistance, sealing, and heat tolerance (suitable for 85°C hot-filling).

Lightweight PET preforms are the preferred choice for beverage giants like Coca-Cola and Nongfu Spring, meeting environmental regulations and optimizing supply chain costs, making them a vital direction for the future of packaging.

Service & Support for Blowing Molds
Bottle Design Services

Baijinyi brings your vision to life by crafting unique, custom bottle designs based on your specific requirements or reference samples, ensuring a one-of-a-kind look that sets your brand apart.

Lightweight Design

Our lightweight design for Blow mold tooling focuses on reducing bottle weight while preserving strength and functionality.

Service & Support for Blowing Molds
Key Techniques Include
Preform Optimization Adjusting wall thickness distribution in pre-blow preforms to minimize excess material and achieve uniform stretching.
Structural Reinforcement Adding longitudinal ribs or corrugated patterns to enhance pressure resistance and prevent deformation after weight reduction.
High-Precision Temperature Control Optimized cooling channels in molds boost efficiency, ensuring rapid shaping of thin-walled areas and preventing uneven shrinkage.
Advantages
    1. Cost Efficiency Saves 10%–20% on raw materials, lowering per-bottle costs and supporting high-speed blow molding lines.
    1. Environmental Compliance Reduces plastic usage for a greener footprint.
    1. Balanced Performance Lightweight bottles still meet drop-test and stacking strength standards, ideal for beverages, daily chemicals, and cleaning products.
Machine Adjustment Services

Baijinyi’s seasoned after-sales engineering team is ready to tackle your challenges, offering remote or on-site support. Leveraging our mold design expertise, we fine-tune your blow molding equipment’s process parameters to ensure stable, high-quality mass production.

  • Machine Adjustment Services
  • Machine Adjustment Services
  • Machine Adjustment Services
  • Machine Adjustment Services
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Looking for Turnkey Project Management for Mold Tooling?

Let’s discuss how we can support your next tooling solution.

E-mail: coco.yang@baijinyi.cn
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Our Products
  • Blow Molds for Linear Blow Molders
    Blow Molds for Linear Blow Molders
  • PET Preform Injection Molds
    PET Preform Injection Molds
  • Cap Compression Mold
    Cap Compression Mold
  • Mold Holder and Frame for Rotary Blowing Mold
    Mold Holder and Frame for Rotary Blowing Mold
  • Mold Shell for PET Blowing Mold
    Mold Shell for PET Blowing Mold
Products
  • Blow Mold Tooling
  • PET Preform Injection Molds
  • Cap Compression Mold
  • Spare Parts for Blow Molds and Blow Molders
  • Spare Parts for Filling Machines
  • Spare Parts for Injection Molding Machines
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Foshan Baijinyi Precise Technology Co., Ltd.
No.6 Yongye Rd, Sanshui District, Foshan City, Guangdong Province, P.R.China 528100
Mobile: +86 18813385179
coco.yang@baijinyi.cn
Supported by ETW International Inc. USA