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Home > Chemicals > Plastic Products > Injection Molding Parts > Industrial OEM PA/PPS Magnetic Ring Rotor: Changzhou Factory High-Precision Injection Molded Magnets for Asian BLDC Motor Assembly
Industrial OEM PA/PPS Magnetic Ring Rotor: Changzhou Factory High-Precision Injection Molded Magnets for Asian BLDC Motor Assembly
Product Spotlights
High-precision injection molded PA/PPS magnetic ring rotor designed for Asian BLDC motor assembly. Customizable pole count, OD/ID, and magnetization pattern. TS16969 certified factory with 51-100 employees. Excellent thermal and chemical resistance (PPS up to 180°C). Cost-effective, lightweight, and durable solution for fans, pumps, and automotive actuators.
Negotiable
MOQ: 5000 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, PA (Polyamide) / PPS (Polyphenylene Sulfide) + Magnetic Powder
Application:
Other, BLDC Motor for Asian Market
Certification:
Other, TS16969
Payment & Shipping
Payment Methods:
Port of Shipment:
Jiangsu，changzhou
Delivery Detail:
30 days
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Material
Other, PA (Polyamide) / PPS (Polyphenylene Sulfide) + Magnetic Powder
Application
Other, BLDC Motor for Asian Market
Certification
Other, TS16969
Magnet Type
Injection Molded Ferrite / NdFeB
Precision
High Precision Injection Molding
Pole Count
Customizable (e.g., 4, 6, 8 poles)
Operating Temperature
Up to 180°C (for PPS version)
Manufacturing Process
Injection Molding + Magnetizing
Customization
Available upon request (OD, ID, thickness, pole pattern)
Industrial OEM PA/PPS Magnetic Ring Rotor – Precision Injection Molded Magnets for Asian BLDC Motor Assembly
As a leading manufacturer based in Changzhou, Jiangsu, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. specializes in high-precision injection molded magnetic components. Established in 2017, we have grown into a trusted supplier with a factory size of 1,000–3,000 square meters and a team of 51–100 skilled employees. Our TS16969 certified production line ensures consistent quality and reliability. The Industrial OEM PA/PPS Magnetic Ring Rotor is engineered specifically for Asian BLDC motor assemblies, offering excellent dimensional accuracy, strong magnetic performance, and long-term durability. Whether you need a standard configuration or a custom design, our injection molded magnets provide the ideal solution for your motor applications.
Product Features & Technical Specifications
- Material Options: PA (Polyamide) or PPS (Polyphenylene Sulfide) matrix filled with magnetic powder. PA offers good mechanical strength and cost-effectiveness; PPS provides superior heat resistance up to 180°C and chemical resistance.
- High Precision Injection Molding: Our advanced injection molding process ensures tight tolerances (typically ±0.05 mm) and consistent magnetization, resulting in uniform magnetic field distribution for optimal motor performance.
- Magnetic Performance: Available with ferrite or NdFeB magnetic powder to meet different flux density requirements. The ring rotor can be magnetized in radial, axial, or multipole patterns (e.g., 4, 6, 8 poles).
- Customization: Outer diameter (OD) from 20 mm to 150 mm, inner diameter (ID) as per design, thickness from 3 mm to 20 mm. Pole count, magnetization pattern, and shaft attachment (e.g., keyway, D-cut) are customizable.
- Application: Designed for BLDC motors used in fans, pumps, power tools, automotive actuators, and industrial automation equipment, particularly for Asian motor manufacturers.
- Durability: The injection molded plastic matrix protects the magnetic powder from moisture, corrosion, and mechanical shock, ensuring long service life even in harsh environments.
| Parameter | Specification |
|---|---|
| Material | PA (nylon) or PPS + magnetic powder |
| Magnetic Material | Ferrite or NdFeB (optional) |
| Pole Count | 4, 6, 8, 10, 12 (customizable) |
| Operating Temperature | PA: up to 120°C / PPS: up to 180°C |
| Dimensional Tolerance | ±0.05 mm (typical) |
| Magnetization Pattern | Radial, axial, multipole (custom) |
| Shaft Attachment | Keyway, D-cut, press fit (custom) |
Key Advantages for Your BLDC Motor Assembly
- Reduce Assembly Time: One-piece injection molded ring rotor eliminates the need for individual magnet placement, simplifying your motor assembly process.
- Consistent Magnetic Field: Precise molding ensures uniform magnet distribution, reducing cogging torque and improving motor efficiency.
- Cost-Effective: Compared to sintered magnets, injection molded magnets offer lower material cost and faster production cycles, especially for high-volume orders.
- Lightweight Design: Plastic matrix reduces overall weight, beneficial for portable and automotive applications.
- Environmental Resistance: Excellent resistance to moisture, dust, and mild chemicals — ideal for outdoor or industrial environments.
Trust & Reliability
At Changzhou Hongxinyutai Precision Mold Co., Ltd., we are committed to delivering high-quality magnetic components that meet the rigorous demands of BLDC motor manufacturers. Our factory is TS16969 certified, reflecting our adherence to automotive-grade quality management systems. With a versatile production capacity and a team of 51–100 experienced professionals, we can handle orders ranging from small prototypes to mass production (up to millions of pieces per year). We ship globally through major ports including Jiangsu, Shanghai, and Shenzhen, serving markets in North America, South America, Europe, Asia, Africa, and Oceania. Our dedicated technical support team is ready to assist with custom designs and specifications. Choose our PA/PPS magnetic ring rotor for reliable performance, consistent quality, and competitive pricing. Contact us today for a quotation or sample request!
Frequently Asked Questions (FAQ)
-
Q: What is the difference between PA and PPS material for the ring rotor?
A: PA (polyamide) offers good mechanical strength and is more cost-effective, suitable for standard-temperature applications. PPS (polyphenylene sulfide) provides higher thermal resistance (up to 180°C) and better chemical resistance, ideal for demanding environments. -
Q: Can I get a custom pole count or magnetization pattern?
A: Yes, we offer full customization. Common pole counts are 4, 6, 8, 10, and 12. Magnetization patterns can be radial, axial, or multipole. Please provide your design requirements. -
Q: What is the typical lead time for production?
A: Lead time depends on order quantity and customization. For standard designs, it is typically 2–4 weeks. Custom molds may require an additional 2–3 weeks. We can provide an accurate timeline upon request. -
Q: Do you offer samples for testing?
A: Yes, we provide samples for evaluation. Sample cost and shipping are negotiable. For bulk orders, sample cost can be deducted from the final invoice. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ for standard products is 1,000 pieces. For custom designs, MOQ may be higher depending on mold costs. We can discuss flexible arrangements for small trial orders. -
Q: Can you provide a certificate of compliance or material test report?
A: Yes, we can provide a certificate of compliance (CoC) and material test reports upon request. Our TS16969 certification ensures traceability and quality control. -
Q: How do you ensure the magnetic field uniformity?
A: Our injection molding process, combined with precision magnetizing fixtures, ensures consistent magnetic powder distribution and uniform magnetization. We conduct 100% magnetic field testing for critical parameters. -
Q: What packaging options are available for export?
A: We use anti-static vacuum bags, foam inserts, and strong cartons to protect the magnets during shipping. Custom packaging with barcode labels is also available upon request.
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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