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Help CenterHot to Cold Runner Edge Gate Custom PPS Motor Bobbin Mold, 2+2 Cavities, Mirror Surface Finish, Robotic Arm Collection
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – a specialized manufacturer dedicated to delivering high-precision injection molds since 2017. Our Hot to Cold Runner Edge Gate Custom PPS Motor Bobbin Mold is engineered to meet the rigorous demands of modern motor bobbin production. With a 2+2 cavity configuration, mirror surface finish, and robotic arm collection, this mold offers exceptional efficiency, dimensional accuracy, and surface quality for PPS (Polyphenylene Sulfide) components. Backed by our TS16969 certified quality management system, we ensure consistent performance and long service life.
This mold is designed for customers who require reliable, high-volume production of motor bobbins with tight tolerances. The integrated hot-to-cold runner system reduces material waste and cycle time, while the edge gate design ensures balanced filling and minimal part deformation. The mirror surface finish eliminates the need for secondary polishing, saving time and cost. The robotic arm collection system automates part removal, enhancing production safety and consistency.
Key Features & Technical Specifications
- Hot to Cold Runner System – Combines the benefits of hot runner (precise temperature control, reduced scrap) with a cold runner section for easy material handling and gate vestige control.
- Edge Gate Design – Provides optimal melt flow into the cavity, reducing shear stress and warpage, ideal for thin-wall PPS bobbins.
- 2+2 Cavity Layout – Two hot runner cavities and two cold runner cavities (or balanced 2+2 arrangement) for higher output without sacrificing quality.
- Mirror Surface Finish (Ra ≤ 0.05 μm) – Achieved through precision polishing, ensuring excellent part surface quality and easy demolding.
- Robotic Arm Collection – Fully automated part removal system compatible with standard pick-and-place robots, reducing labor and cycle time.
- Custom Mold Steel – Made from high-grade alloy steel (e.g., 1.2344 or equivalent) with heat treatment for hardness and wear resistance, optional corrosion-resistant coating.
- Precision Cooling Channels – Optimized cooling circuit design ensures uniform temperature distribution, minimizing cycle time and part shrinkage.
- TS16969 Certified Manufacturing – Our production process follows strict quality standards, ensuring traceability and repeatability.
| Parameter | Specification |
|---|---|
| Cavity Count | 2 + 2 (hot runner & cold runner) |
| Runner System | Hot to Cold Runner (valve gate optional) |
| Gate Type | Edge Gate |
| Surface Finish | Mirror (Ra ≤ 0.05 μm, SPI A-1 grade) |
| Part Material | PPS (Polyphenylene Sulfide, 30% glass filled optional) |
| Automation | Robotic arm collection (programmable) |
| Mold Steel | High-grade tool steel (customizable) |
| Certification | TS16969 |
Advantages & Customer Benefits
- Reduced Cycle Time – The hot runner segment minimizes material heating time, while efficient cooling and robotic arm handling cut overall cycle time by up to 20% compared to conventional cold runner molds.
- Lower Scrap Rate – Precise temperature control and balanced filling reduce weld lines, short shots, and flash, resulting in a higher yield rate.
- Superior Part Quality – Mirror surface finish eliminates gate vestige marks and provides a smooth, glossy surface for motor bobbins, enhancing electrical insulation and mechanical performance.
- Labor Savings – Fully automated robotic arm collection reduces manual intervention, lowers labor costs, and improves workplace safety.
- Flexibility – The mold is custom-designed for your specific PPS motor bobbin dimensions, with optional features like side actions, hot runner temperature controllers, and quick-change inserts.
- Long Mold Life – Hardened steel and precise heat treatment ensure durability for millions of cycles, backed by our TS16969 quality system.
At Changzhou Hongxinyutai Precision Mold Co., Ltd., we have been serving global clients since 2017 with a factory spanning 1,000–3,000 square meters and a dedicated team of 51–100 skilled professionals. We specialize in custom precision molds for automotive, electronics, and industrial applications. Our products are shipped to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. With TS16969 certification, we guarantee consistent quality and on-time delivery from our ports in Jiangsu, Shanghai, and Shenzhen.
Choose our Hot to Cold Runner Edge Gate PPS Motor Bobbin Mold for an efficient, high-quality, and automated production solution. Contact us today to discuss your specific requirements and receive a competitive quotation. We are committed to supporting your success with reliable molds and expert technical support.
Frequently Asked Questions (FAQ)
Q1: What materials can be used with this mold?
A: The mold is specifically designed for PPS (Polyphenylene Sulfide) but can be adapted for other engineering plastics like LCP, PEEK, or PA46 upon request. Please consult our engineers for compatibility.
Q2: What is the typical lead time for a custom mold like this?
A: Lead time depends on complexity and current workload. Generally, 3–5 weeks for design confirmation, and 6–8 weeks for manufacturing and testing. We can expedite for urgent orders.
Q3: Can the mold be modified to include additional cavities or features?
A: Yes, the 2+2 cavity layout is customizable. We can increase cavity count, add side cores, or integrate hot runner temperature control systems. Contact us for custom options.
Q4: How does the robotic arm collection system work?
A: The mold is equipped with standard interface points (e.g., EDM holes, mounts) for pick-and-place robots. The robotic arm automatically removes parts after ejection, places them on a conveyor, and signals the next cycle. Programming is supported.
Q5: What is the advantage of mirror surface finish for motor bobbins?
A: Mirror finish ensures minimal friction during wire winding, reduces dust accumulation, and improves the electrical insulation performance. It also eliminates the need for secondary polishing, saving production time.
Q6: Do you provide mold trial and sample parts?
A: Yes, we offer trial runs at our facility and ship sample parts for your approval before mass production. We also provide detailed mold testing reports.
Q7: Is the mold compatible with standard injection molding machines?
A: Yes, the mold base is designed according to standard specifications (e.g., DME, HASCO) and can be adapted to most injection molding machines. We will provide the exact dimensions and clamping force requirements.
Q8: What warranty do you offer on this mold?
A: We offer a 12-month warranty against manufacturing defects, covering mold steel, hot runner components, and robotic arm interface. Extended warranty is available upon request.
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