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Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017 and headquartered in Changzhou, Jiangsu, China, is a specialized manufacturer of precision molds and fluid equipment components. With a factory spanning 1,000–3,000 square meters and a dedicated team of 51–100 professionals, we are proud to introduce our NEV Cooling Pump Rotor Insert PPO Multi Cavity Molding Tooling — a high-performance solution engineered for the rigorous demands of the new energy vehicle (NEV) industry. This rotor insert combines advanced material science with precision multi-cavity tooling, ensuring exceptional concentricity and durability for fluid equipment parts. Designed to meet the evolving needs of cooling pump systems in electric vehicles, our product delivers reliable performance and cost-effective production efficiency.
Our manufacturing processes are certified under TS16969, reflecting our commitment to quality and continuous improvement. The PPO (Polyphenylene Oxide) material used in this rotor insert offers excellent thermal stability, chemical resistance, and dimensional stability — critical for long-term operation in NEV cooling systems. The multi-cavity molding tooling design allows for simultaneous production of multiple inserts, significantly reducing cycle time and unit cost while maintaining tight tolerances. High concentricity is achieved through precision machining and rigorous quality control, minimizing vibration and wear in the pump assembly.
Key Features & Technical Specifications
- Material: PPO (Polyphenylene Oxide) — high heat resistance (up to 165°C continuous), excellent electrical insulation, low moisture absorption.
- Multi-Cavity Design: Available in 4, 6, 8, or 12 cavities per mold, enabling high-volume production with consistent quality.
- High Concentricity: ≤ 0.02 mm runout, ensuring smooth rotation and reduced energy loss in the cooling pump.
- Precision Tolerances: ±0.01 mm on critical dimensions, achieved through CNC machining and EDM processes.
- Surface Finish: Ra 0.8 μm or better, optional mirror polishing for enhanced fluid flow characteristics.
- Tooling Lifespan: > 500,000 shots under normal operating conditions, with proper maintenance.
- Compatibility: Designed for NEV cooling pump systems, suitable for water-glycol mixtures and other coolants.
| Parameter | Specification |
|---|---|
| Material | PPO (Polyphenylene Oxide) |
| Cavity Count | 4 to 12 cavities (customizable) |
| Concentricity Tolerance | ≤ 0.02 mm |
| Dimensional Accuracy | ±0.01 mm |
| Surface Roughness | Ra ≤ 0.8 μm |
| Operating Temperature Range | -40°C to +165°C |
| Certification | TS16969 |
Advantages & Customer Benefits
- Enhanced Pump Performance: High concentricity reduces rotor imbalance, leading to quieter operation and extended bearing life.
- Cost Efficiency: Multi-cavity molding lowers per-part cost by up to 30% compared to single-cavity tooling, ideal for high-volume production.
- Reliable Supply Chain: As a manufacturer with TS16969 certification, we ensure consistent quality and on-time delivery from our Jiangsu factory.
- Customizable Solutions: We offer tailored cavity counts, colors, and branding options to meet specific customer requirements.
- Durability: PPO material resists degradation from coolants, oils, and thermal cycling, ensuring long service life even in harsh NEV environments.
Our company serves a diverse global market, including North America, South America, Europe, Southeast Asia, and Africa. We have shipped thousands of precision mold sets to customers in Indonesia and other regions, earning a reputation for technical expertise and after-sales support. With a factory size of 1,000–3,000 square meters and a skilled workforce of 51–100 employees, we are equipped to handle both small-scale prototypes and large-scale production runs. Our TS16969 certification underscores our adherence to automotive-quality standards, and our port of shipment in Jiangsu, Shanghai, and Shenzhen ensures efficient logistics to worldwide destinations.
Why choose Changzhou Hongxinyutai for your NEV cooling pump rotor insert needs? We combine advanced injection molding technology with rigorous quality control, delivering products that meet the highest expectations for concentricity, durability, and cost-effectiveness. Our team is ready to assist with engineering support, mold design optimization, and timely delivery. Contact us today to discuss your specific requirements — we are confident we can provide a solution that exceeds your expectations.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for this multi-cavity mold?
A: Lead time depends on the cavity count and complexity. Standard molds (4–8 cavities) are typically delivered within 30–45 working days after design approval. For customized designs, please allow additional time for engineering and prototyping. -
Q: Can the rotor insert be used with other coolants besides water-glycol?
A: Yes, PPO material has excellent chemical resistance and is compatible with most coolants used in EV cooling systems, including water-glycol, dielectric fluids, and some oils. However, we recommend testing with your specific fluid to ensure compatibility. -
Q: How do you ensure high concentricity during production?
A: We use precision-ground mold cores and cavities, coupled with CNC machining and EDM processes. Each insert is measured using a coordinate measuring machine (CMM) to verify concentricity within ≤0.02 mm. Statistical process control (SPC) is implemented throughout production. -
Q: What is the minimum order quantity (MOQ) for this product?
A: For standard designs, MOQ is 1 mold set. However, we also offer sample orders for evaluation. Please contact our sales team for detailed pricing and MOQ information. -
Q: Do you provide mold design services for custom rotor inserts?
A: Absolutely. Our engineering team can work with your drawings or 3D models to design the mold optimized for multi-cavity production and high concentricity. We also offer reverse engineering services if needed. -
Q: Is the product RoHS or REACH compliant?
A: Yes, our PPO material complies with RoHS and REACH regulations. We can provide certificates upon request. The material is free from restricted substances such as lead, mercury, cadmium, and phthalates. -
Q: What after-sales support do you offer?
A: We provide a 12-month warranty on mold tooling against manufacturing defects. Technical support is available via email, phone, or video calls. Spare parts and maintenance services can be arranged for long-term projects. -
Q: Can you supply samples for testing before mass production?
A: Yes, we can produce sample inserts using a trial mold or single-cavity insert. Samples are typically available within 20–30 working days. Please note that sample costs are separate from mold tooling fees.
Trust Changzhou Hongxinyutai Precision Mold Co., Ltd. for your NEV cooling pump precision components. With our TS16969 certification, global shipping experience, and dedicated team, we are your reliable partner in Indonesia and beyond. Request a quote today!
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