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Help CenterIATF 16949 Certified PA66+GF40 Motor Bobbin, Injection Molded With Robotic Arm Collection, Mold Protection, 300K Shots Life
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As a leading manufacturer based in Changzhou, Jiangsu, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. specializes in high-precision injection molding since 2017. Our IATF 16949 Certified PA66+GF40 Motor Bobbin is engineered for demanding automotive and industrial motor applications. Combining robust material properties with advanced manufacturing processes—including robotic arm collection and mold protection—this bobbin delivers exceptional durability, dimensional stability, and consistent performance over 300,000 shots. Designed to meet the rigorous standards of the automotive supply chain, it ensures reliable insulation and mechanical support for motor windings.
Key Features & Technical Specifications
- Material Excellence: PA66 reinforced with 40% glass fiber provides high tensile strength, low creep, and excellent thermal resistance (up to 150°C continuous use).
- IATF 16949 Certified: Our production quality management system ensures traceability, defect prevention, and continuous improvement—critical for automotive OEMs.
- 300,000 Shots Mold Life: Tool steel construction with hardened cavities guarantees long-term production stability, reducing downtime and per-part cost.
- Robotic Arm Collection: Automated part removal minimizes human contact, reduces cycle time, and ensures consistent quality by avoiding manual handling defects.
- Integrated Mold Protection: Sensors and monitoring systems prevent overpressure, short shots, and mold damage, extending tool life and protecting product integrity.
- Precision Tolerances: Achievable tolerances of ±0.05mm on critical dimensions, ensuring perfect fit with stator cores and winding wire.
- Wide Application Range: Suitable for brushless DC motors, induction motors, alternators, and solenoid applications in automotive (EV, HEV, ICE), industrial, and consumer sectors.
| Parameter | Specification |
|---|---|
| Material | PA66 + 40% Glass Fiber |
| Tensile Strength | ≥170 MPa (per ISO 527) |
| Heat Deflection Temp | 250°C (at 1.82 MPa) |
| Flammability Rating | UL 94 V-0 (optional) |
| Mold Cavities | Customizable (2, 4, 8, 16 etc.) |
| Cycle Time | 18–30 seconds (depending on part geometry) |
| Certification | IATF 16949 (Production site) |
Detailed Product Description
Our PA66+GF40 motor bobbin is injection molded using state-of-the-art hydraulic/electric injection molding machines with closed-loop control. The material blend of 40% glass fiber significantly enhances the dimensional stability and mechanical strength compared to standard PA66, making it ideal for applications where high torque, vibration, and thermal cycling are present. The bobbin features optimized wire-guide channels to prevent wire slippage and max winding density.
The robotic arm collection system ensures parts are gently removed from the mold and placed on a conveyor without human touch, eliminating the risk of contamination or deformation. This automation also allows for real-time inspection using vision cameras, guaranteeing that only flawless bobbins reach the packaging stage.
Mold protection is a critical feature: our molds are equipped with pressure sensors and cavity temperature monitoring. If abnormal conditions are detected (e.g., stuck part, high injection pressure), the machine automatically stops and alerts the operator. This not only protects expensive tooling but also prevents production of defective parts, reducing scrap rate to below 1%.
With a tool life guarantee of 300,000 shots (based on PA66+GF40 processing), you can rely on consistent part quality without frequent mold maintenance. We also offer design assistance for custom bobbin geometries, including different flange sizes, pin configurations, and wire termination options.
Why Choose Changzhou Hongxinyutai Precision Mold?
- Experienced Team: 51–100 employees with expertise in precision molding since 2017.
- Factory Size: 1,000–3,000 m² facility equipped with 20+ injection molding machines (80T–500T).
- Global Reach: We serve markets across North America, South America, Europe, Southeast Asia, Middle East, and more, with flexible shipping from Jiangsu, Shanghai, or Shenzhen.
- Quality Assurance: All products are manufactured under IATF 16949 quality system, with 100% dimensional inspection using CMM and vision systems.
- Customer Support: Dedicated project engineers assist with mold design, material selection, and production optimization.
Partner with us today to secure a reliable, high-performance motor bobbin solution that meets the stringent requirements of the automotive industry. Our commitment to innovation, quality, and on-time delivery makes us a preferred supplier for motor manufacturers worldwide. Request a quotation or sample to experience the difference firsthand.
Frequently Asked Questions
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Q: What is the maximum operating temperature for this bobbin?
A: PA66+40% GF can withstand continuous temperatures up to 150°C and short peaks up to 200°C. For higher temperature requirements, alternative materials (e.g., PPS, PPA) can be considered—contact our engineering team. -
Q: Can you customize the bobbin dimensions for my specific motor?
A: Absolutely. We offer custom mold design based on your motor core geometry. Typical customization includes flange diameter, wall thickness, pin spacing, and undercuts. -
Q: What is the minimum order quantity (MOQ)?
A: For new molds, MOQ is typically 10,000 pieces. For existing tooling, MOQ can be as low as 1,000 pieces. Please discuss with our sales team for your specific project. -
Q: Do you provide samples before mass production?
A: Yes, sample parts (from T0 or EDM test shots) are available. A sample fee applies but is refundable upon placing a production order. -
Q: How do you ensure the 300,000 shots mold life?
A: Our molds are made from hardened tool steel (e.g., S136, NAK80) with proper polishing and wear-resistant coatings. Regular preventive maintenance and mold protection systems contribute to achieving the guaranteed shot count. -
Q: Is the material PA66+GF40 suitable for lead-free soldering processes?
A: Yes, PA66+GF40 has good compatibility with typical wave soldering temperatures (up to 260°C for short durations). However, we recommend testing under your specific soldering profile. -
Q: Do you supply the bobbins with optional litz wire terminations or pins?
A: Yes, we can add insert-molded terminals, brass pins, or press-fit features as per your design. Please provide a drawing for quotation. -
Q: What certifications does your company hold?
A: Our manufacturing facility is IATF 16949 certified. Material suppliers provide UL and RoHS compliance data upon request.
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