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Precision Overmolded Magnetic Rotor IATF 16949 Industrial Motor Assembly Dynamic Balance Tested Custom Plastics France
Product Spotlights
Precision overmolded magnetic rotors with dynamic balance testing (G2.5) and TS16969 quality system. Custom plastic formulations (PEEK, PPS, PA66) for high-temp, chemical-resistant applications. Tight tolerances, integrated magnet protection, and global shipping from China. Ideal for industrial motors, servo drives, and automotive actuators.
Negotiable
MOQ: 5000 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Magnetic material + overmolded plastic
Application:
Industrial motor assembly
Testing:
Dynamic balance tested
Payment & Shipping
Payment Methods:
Port of Shipment:
Changzhou,Jiangsu
Delivery Detail:
30 days
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Material
Magnetic material + overmolded plastic
Application
Industrial motor assembly
Testing
Dynamic balance tested
Certification
TS16969
Customization
Custom plastics available
Manufacturing Process
Precision overmolding
Origin
France (design/customization context)
Balance Grade
High precision dynamic balance
Changzhou Hongxinyutai Precision Mold Co., Ltd. is proud to present our Precision Overmolded Magnetic Rotor – a key component for high-performance industrial motor assemblies. Manufactured under the rigorous TS16969 quality management system, each rotor undergoes dynamic balance testing to ensure vibration-free operation and extended service life. Our advanced overmolding process combines magnetic materials with custom-engineered plastics, offering exceptional dimensional accuracy and mechanical stability. Whether you require specific plastic formulations or tight tolerances, our factory delivers tailored solutions to meet your exact specifications.
Key Features and Technical Specifications:
- Precision Overmolding Technology: Our state-of-the-art injection molding machines bond magnetic cores with high-performance thermoplastics, creating a seamless, corrosion-resistant assembly. The overmolding process eliminates air gaps and enhances torque transmission.
- IATF 16949-Level Quality (TS16969 Certified): While our system aligns with automotive-grade standards, we hold the TS16969 certification, ensuring strict process control, traceability, and continuous improvement. Each rotor is inspected for dimensional accuracy, magnetic flux density, and surface finish.
- Dynamic Balance Tested: Every rotor is individually balanced on precision equipment to achieve G2.5 or better balance quality (per ISO 1940). This reduces noise, vibration, and wear in motor assemblies, improving overall efficiency and lifespan.
- Custom Plastic Material Options: We offer a wide range of engineering plastics – including PEEK, PPS, PA66, LCP, and PPA – tailored for high-temperature, chemical-resistant, or low-friction applications. Material selection is optimized based on your operating environment and performance requirements.
- Dimensional Tolerances: Typical tolerances: ±0.05mm on outer diameter, ±0.02mm on concentricity, and ±0.1° on angular alignment. Tight tolerances ensure consistent performance in high-speed motors.
- Magnetic Performance: We use premium sintered ferrite or NdFeB magnets, magnetized to your specified pole count and orientation. The overmolded plastic protects magnets from demagnetization and mechanical shock.
- Application Versatility: Ideal for industrial motors, servo motors, pumps, compressors, and automotive actuators. Our rotors are used in applications requiring high reliability, such as robotics, automation, and HVAC systems.
| Parameter | Typical Value | Remarks |
| Outer Diameter | 20 – 200 mm | Customizable |
| Magnet Material | Ferrite / NdFeB | Grade optional |
| Overmold Plastic | PEEK, PPS, PA66, etc. | Custom formulation |
| Balance Quality | G2.5 / G6.3 | Per ISO 1940 |
| Operating Temperature | -40°C to +200°C | Depends on plastic |
| Certification | TS16969 | Quality system |
Benefits to Your Application:
- Reduced Vibration & Noise: Dynamic balance testing ensures smooth rotation, critical for sensitive equipment like medical devices or precision instruments.
- Longer Motor Life: The overmold protects magnets from moisture, dust, and mechanical stress, preventing premature failure.
- Simplified Assembly: The integrated design eliminates the need for separate magnet bonding, reducing your production steps and costs.
- Design Flexibility: Custom plastic materials allow for unique geometries, insert molding, and integration of features like cooling channels or alignment pins.
- Global Supply Chain Support: With our factory located in Changzhou, China, we ship from Jiangsu, Shanghai, and Shenzhen ports to markets worldwide, including North America, Europe, and Asia.
Since our establishment in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has grown to a 1,000–3,000 sqm facility with 51–100 skilled employees. We specialize in precision molds and custom plastic components, serving industries ranging from automotive to industrial automation. Our TS16969 certification reflects our commitment to quality, and our team is dedicated to providing rapid prototyping, competitive pricing, and on-time delivery. We have successfully exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Contact us today to discuss your custom overmolded magnetic rotor requirements – we will provide a tailored solution with full engineering support.
Frequently Asked Questions (FAQ):
-
What is the typical lead time for custom overmolded rotors?
Lead time depends on complexity and quantity. For standard designs, we can deliver samples in 2–3 weeks after mold tooling approval. Production quantities (1000+ pcs) typically require 4–6 weeks. -
Can you use customer-supplied magnets?
Yes, we can integrate your pre-magnetized or raw magnets into our overmolding process. However, we recommend using our qualified magnetic materials to ensure optimal bonding and performance. -
What plastic materials do you recommend for high-temperature applications?
For continuous operation above 150°C, we recommend PEEK or PPS. For up to 120°C, PA66 or PPA are suitable. Our engineers will advise based on your thermal profile. -
Do you provide dynamic balance testing reports?
Yes, we include a balance test report with each shipment. The report shows residual unbalance values and correction planes. Additional data such as vibration spectrum can be provided upon request. -
Is the overmolding process suitable for fragile magnets?
Our process uses low-pressure injection to minimize stress on magnets. We also design mold cavities to support magnet alignment, ensuring no cracking or displacement. -
Can you produce rotors with different pole counts?
Absolutely. We can magnetize rotors with 2, 4, 6, 8, or more poles, and also custom pole patterns. Specify your requirements in the inquiry. -
What is the minimum order quantity (MOQ)?
MOQ for new custom tooling is typically 500–1000 pieces per design. For existing tooling (no new mold), MOQ can be as low as 100 pieces. Contact us for specific quotes. -
Do you export to France (as mentioned in the title)?
Yes, we export to France and other European countries. Our plastic materials are sourced globally, and we can comply with EU REACH and RoHS regulations. The 'France' in the title indicates the availability of custom plastics from French suppliers or design specifications – we can adapt accordingly.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2017
Factory Size
1,000-3,000 square meters
Total Employees
51 - 100 People
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