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Home > Chemicals > Plastic Products > Other Plastic Products > OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors thumbnail-2

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors thumbnail-3

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors thumbnail-4

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors thumbnail-5

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors photo-1

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors photo-2

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors photo-3

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors photo-4

OEM PA/PPS Injection Molded Magnet Ring Rotor With Ferrite/NdFeB, +/-0.02mm Precision, Shatter-Proof for Industrial Motors photo-5

Product Spotlights

OEM PA/PPS injection molded magnet ring rotor with ferrite or NdFeB magnets, achieving +/-0.02mm precision and shatter-proof durability. Ideal for industrial motors, it offers custom dimensions, insert molding for strong bonding, and TS16969 certified quality. Combines cost-effectiveness with high performance for demanding applications.

Negotiable MOQ: 5000 Pieces (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, PA (Polyamide) / PPS (Polyphenylene Sulfide)

Magnet Type:

Ferrite / NdFeB (Neodymium Iron Boron)

Precision:

+/- 0.02mm

Contact Supplier Request Quote Chat Now

Changzhou Hongxinyutai Precision Mold Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

Jiangsu，changzhou

Delivery Detail:

30 days

Product Details
Company Profile
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Material Other, PA (Polyamide) / PPS (Polyphenylene Sulfide)

Magnet Type Ferrite / NdFeB (Neodymium Iron Boron)

Precision +/- 0.02mm

Feature Shatter-Proof, Injection Molded

Application Industrial Motors, Automotive, Appliances

Certification TS16969

Customization OEM, Dimensions, Magnet Material Optional

Production Method Injection Molding with Insert Molding

As a leading manufacturer based in Changzhou, Jiangsu, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. specializes in high-precision injection molded components for industrial applications. Our OEM PA/PPS Injection Molded Magnet Ring Rotor with Ferrite/NdFeB is engineered to deliver exceptional performance in demanding motor environments. With a precision tolerance of +/- 0.02mm and shatter-proof construction, this rotor combines the strength of advanced polymer materials with the magnetic power of either ferrite or neodymium (NdFeB) magnets, ensuring reliable operation, reduced vibration, and long service life.

Our factory, spanning 1,000–3,000 square meters with a dedicated team of 51–100 employees, has been delivering custom solutions since 2017. We hold TS16969 certification, reflecting our commitment to quality management in automotive and industrial sectors. Whether you need a standard design or a fully customized rotor, our injection molding process allows for complex geometries, tight tolerances, and consistent batch-to-batch quality.

Key Features & Technical Specifications

Material Options: PA (Polyamide) or PPS (Polyphenylene Sulfide) – both offer excellent mechanical strength, thermal resistance, and chemical stability. PPS is ideal for high-temperature environments (up to 220°C), while PA provides good wear resistance and cost-effectiveness.
Magnet Types: Ferrite (ceramic) magnets for cost-sensitive applications with moderate magnetic strength; NdFeB for high-performance motors requiring strong magnetic flux and compact size.
High Precision: Dimensional tolerance of +/- 0.02mm ensures perfect fit with motor shafts and housings, minimizing imbalance and noise.
Shatter-Proof Design: The injection molding process encapsulates the magnet securely, preventing cracking or fragmentation even under high centrifugal forces or thermal cycling.
Insert Molding Technology: Magnets are placed into the mold and overmolded with polymer, creating a strong bond that eliminates loose parts and improves durability.
Customizable Dimensions: Inner diameter, outer diameter, height, and magnet configuration can be tailored to your specific motor requirements.
Surface Finish: Smooth, burr-free surfaces reduce friction and wear on bearings.

Parameter	Specification
Material (Polymer)	PA66, PA6, PPS (GF30-40% optional)
Magnet Material	Ferrite (Y30, Y35) / NdFeB (N35-N52, custom grades)
Tolerance	+/- 0.02mm on critical dimensions
Operating Temperature	-40°C to +150°C (PA) / -40°C to +220°C (PPS)
Magnetization	Radial, axial, or multipole (customizable)
Surface Treatment	As molded, or with anti-corrosion coating (optional)
Certification	TS16969 (IATF 16949 equivalent per customer)

Advantages for Your Application

Reduced Assembly Time: The integrated magnet-polymer unit eliminates the need for separate magnet bonding or gluing, simplifying your motor assembly process.
Improved Motor Efficiency: Precise magnetic positioning and consistent air gap result in higher torque density and lower cogging torque.
Enhanced Durability: The shatter-proof design withstands high-speed rotation (up to 30,000 RPM depending on configuration) and thermal shock, making it ideal for pumps, fans, compressors, and power tools.
Cost-Effectiveness: Injection molding allows for high-volume production with minimal waste, lowering per-unit cost compared to machining or assembly of discrete magnets.
Eco-Friendly: Our process uses recyclable polymers and RoHS-compliant materials; NdFeB magnets are available with heavy metal-free options.

With over 6 years of specialized experience, Changzhou Hongxinyutai Precision Mold Co., Ltd. has supplied precision rotors to clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. Our TS16969-certified quality system ensures that every rotor meets strict dimensional and magnetic performance standards. We offer flexible shipping options from Jiangsu, Shanghai, and Shenzhen ports, and our dedicated engineering team supports custom designs from prototype to mass production.

Contact us today to discuss your specific motor requirements. Whether you need a standard ferrite rotor for a cost-driven project or a high-performance NdFeB version for a premium application, we deliver precision, reliability, and value. Request a quote or sample to experience the quality difference.

Frequently Asked Questions (FAQ)

Q: What is the minimum order quantity (MOQ) for this rotor?
A: Our MOQ is typically 100 pieces for standard designs, but we can accommodate smaller quantities for prototyping or sample orders. Please contact our sales team for specific requirements.
Q: Can I choose between ferrite and NdFeB magnets in the same rotor design?
A: Yes, the rotor design can be adapted to both ferrite and NdFeB magnets. The final magnetic performance will differ, so we recommend providing your motor specifications (torque, speed, operating temperature) to help us select the optimal magnet material.
Q: How do you ensure the +/-0.02mm precision? Is it measured on every part?
A: We use precision injection molding machines with servo-controlled clamping and real-time monitoring. Critical dimensions are verified using CMM and go/no-go gauges. Statistical process control (SPC) is implemented, and we can provide dimensional inspection reports upon request.
Q: Is the rotor suitable for high-speed applications like 10,000+ RPM?
A: Absolutely. The shatter-proof encapsulation and balanced design allow operation at speeds exceeding 10,000 RPM, and even up to 30,000 RPM with proper balancing. However, we recommend a dynamic balancing service for very high-speed motors.
Q: What is the typical lead time for custom rotors?
A: For a new mold design, lead time is approximately 4–6 weeks including tooling and first samples. For existing molds, production can be completed within 2–3 weeks. Please provide your drawing and volume for an accurate timeline.
Q: Do you offer any surface treatment or plating to prevent corrosion?
A: Yes, we can apply anti-corrosion coatings such as epoxy, parylene, or zinc plating on the magnet or entire rotor. This is optional and recommended for humid or corrosive environments.
Q: Is TS16969 certification equivalent to IATF 16949? Can you provide a certificate?
A: Our TS16969 certification is a recognized quality management standard for automotive and industrial suppliers. We can provide a copy of our certificate upon request, and we are also capable of supporting IATF 16949 compliance if required by your contract.
Q: Can you provide samples for testing before mass production?
A: Yes, we offer sample pieces (typically 5–10 pcs) for evaluation. A sample fee applies, which is refundable upon mass production order. Please contact us to discuss your testing needs.