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Help CenterOEM PA/PPS NdFeB Magnet Rotor Injection Mold With SKD61 Tool Steel, ±0.01mm Precision, 1,000,000 Shots Lifetime
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. Since our establishment in 2017, we have dedicated ourselves to providing high-performance injection molds for the automotive and magnetic components industry. As a manufacturer with a 1,000-3,000 square meter facility and a team of 51-100 skilled professionals, we specialize in producing OEM PA/PPS NdFeB Magnet Rotor Injection Molds built with SKD61 tool steel. This mold is designed to offer extreme precision of ±0.01mm and an outstanding lifetime capacity of 1,000,000 shots, making it an ideal choice for mass production of magnet rotors used in electric motors, generators, and automotive systems.
Our molds are engineered to meet the rigorous demands of the global market, serving clients across North America, South America, Europe, Asia, and beyond. With TS16969 certification, we adhere to strict quality standards, ensuring consistent performance and reliability. Below, we delve into the technical specifications, key features, and the tangible benefits your business can gain by choosing our precision mold.
Key Features & Technical Specifications
- Superior Material Construction: The mold cavity is crafted from SKD61 tool steel, known for its excellent hardness, wear resistance, and thermal stability. This ensures the mold withstands high-temperature injection cycles and maintains dimensional accuracy over millions of cycles.
- High-Precision Machining: Achieve ±0.01mm tolerance on critical dimensions, enabling tight encapsulation of NdFeB magnets without deformation or flash, thus improving the rotor's magnetic performance and balance.
- Optimized for PA and PPS Resins: The mold is compatible with both Polyamide (PA) and Polyphenylene Sulfide (PPS) materials, offering flexibility for different application requirements such as heat resistance, chemical resistance, and mechanical strength.
- Long Service Life: Rated for 1,000,000 shots, the mold reduces downtime for repairs or replacement, maximizing your production efficiency and return on investment.
- Advanced Cooling System: Designed with conformal cooling channels to minimize cycle time and ensure uniform temperature distribution, resulting in consistent part quality and reduced warpage.
- Full Customization (OEM): We offer complete customization of mold size, cavity number, gate design, ejection system, and surface finish according to your rotor geometry and production volume.
Technical Data Table
| Steel Grade | SKD61 (Equivalent to H13) |
| Precision (Tolerance) | ±0.01 mm |
| Lifetime (Shots) | 1,000,000 (after proper maintenance) |
| Compatible Materials | PA (Nylon 66, PA6, PA12) and PPS |
| Cavity Option | Single / Multi-cavity (custom) |
| Certification | TS16969 |
Advantages for Your Production
- Reduced Scrap Rate: The ±0.01mm precision eliminates dimensional variations, lowering rejection rates and saving material costs.
- Faster Cycle Times: The optimized cooling design reduces injection-molding cycle times by up to 15%, directly increasing your daily output.
- Higher Magnetic Performance: Accurate encapsulation ensures the NdFeB magnets are perfectly centered and tightly sealed, improving rotor efficiency and reducing vibration.
- Long-Term Reliability: SKD61 steel's durability combined with our quality control (TS16969) means fewer mold stoppages, lower maintenance expenses, and consistent part quality over the entire mold life.
At Changzhou Hongxinyutai Precision Mold Co., Ltd., we have successfully delivered precision molds to clients in more than 15 countries and regions since 2017. Our factory spans 1,000-3,000 square meters and is equipped with advanced CNC machining centers, EDM, and wire-cutting machines. We have a dedicated quality assurance team that inspects every mold before shipment. With 51-100 experienced employees, we are capable of handling complex mold projects with lead times as short as 20-30 working days (depending on complexity).
Choosing our OEM PA/PPS NdFeB Magnet Rotor Injection Mold means partnering with a manufacturer who prioritizes precision, durability, and customer satisfaction. We offer competitive pricing, flexible payment terms, and comprehensive after-sales support including mold maintenance guides and spare parts. Contact us today to discuss your specific rotor design or request a quotation – we are ready to help you achieve efficient and high-quality production.
Frequently Asked Questions (FAQ)
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Q: Can the mold be used with other resins besides PA and PPS?
A: The mold is specially designed for PA and PPS due to their specific shrinkage and flow behavior. However, we can adjust the mold design for other engineering thermoplastics upon request. Please provide your material data sheet for feasibility evaluation. -
Q: What is the typical delivery time for a custom rotor mold?
A: For a standard design, the lead time ranges from 25 to 35 working days, including design approval, machining, and testing. For complex multi-cavity molds or special requirements, it may take 45 days. We will provide a confirmed schedule after order placement. -
Q: Does the mold come with a warranty?
A: Yes, we offer a 12-month warranty against manufacturing defects under normal operating conditions. We also provide lifetime technical support and spare parts availability. -
Q: How do you ensure the ±0.01mm precision?
A: We employ high-precision CNC machining centers, coordinate measuring machines (CMM), and experienced mold makers. Each cavity is individually inspected and test-shot verified before final delivery. -
Q: Can you produce molds with more than one cavity?
A: Absolutely. Multi-cavity molds (2, 4, 8 cavities, etc.) are available to increase productivity. The number of cavities depends on your injection machine capacity and annual volume targets. -
Q: What is the maximum rotor size your mold can handle?
A: Our standard mold base can accommodate rotors with diameters up to 200 mm and lengths up to 150 mm. For larger sizes, please contact us with your dimensions for a custom solution. -
Q: Do you provide samples before mass production?
A: Yes, we can produce sample parts for your approval using the actual mold. Typically, we offer 10-20 free samples (excluding shipping) for evaluation. -
Q: How do I maintain the mold to achieve 1,000,000 shots?
A: Regular cleaning, proper lubrication of moving parts, and periodic inspection of cavity surfaces are essential. We provide a detailed maintenance manual with each mold. Additionally, we recommend using mold protection coatings if abrasive fillers are involved.
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