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Help CenterCustom Design PPS Motor Bobbin Injection Mold, UG/Parasolid, 2+2 Cavities, Hot to Cold Runner Edge Gate, 300K Shots
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At Changzhou Hongxinyutai Precision Mold Co., Ltd., we specialize in delivering high-quality injection molds tailored to demanding applications. Our Custom Design PPS Motor Bobbin Injection Mold is engineered to produce precision bobbins for electric motors, featuring a robust PPS material compatibility and an advanced 2+2 cavity configuration. With a design optimized for UG/Parasolid and a hot-to-cold runner edge gate system, this mold achieves consistent part quality and extended tool life of up to 300,000 shots. Whether you need a standard design or a fully customized solution, our mold ensures reliable performance for your production line.
This mold is specifically developed for manufacturing motor bobbins (coil formers) from PPS, a high-performance engineering plastic known for its excellent thermal stability, chemical resistance, and dimensional stability. The 2+2 cavity layout (two cavities and two cores) balances efficiency with precision, allowing for higher output while maintaining tight tolerances. The hot-to-cold runner edge gate system minimizes material waste and ensures uniform filling, reducing cycle times and improving part quality.
Below are the key technical specifications and features of this mold:
| Parameter | Details |
|---|---|
| Mold Material | High-quality tool steel (e.g., SKD61, 2311) – optional upgrades available |
| Resin Compatibility | PPS (Polyphenylene Sulfide), also suitable for other high-temperature thermoplastics (upon request) |
| Cavity & Core Count | 2+2 (2 cavities, 2 cores), customizable to 1+1, 4+4, etc. |
| Runner System | Hot to Cold Runner Edge Gate – reduces scrap and improves fill balance |
| Design Software | UG (Unigraphics) / Parasolid – fully compatible with your 3D models |
| Expected Shot Life | 300,000 shots (with proper maintenance, can exceed) |
| Cooling System | Optimized conformal cooling channels for uniform temperature control |
| Ejection System | Standard ejector pins or sleeve ejectors – customizable per part geometry |
| Dimensional Tolerance | ±0.02mm (depending on part complexity and material) |
| Surface Finish | SPI A1 to C3 – as per your requirements |
Key Features & Benefits:
- High Precision & Consistency: The 2+2 cavity design ensures each bobbin is produced with identical dimensions, reducing scrap and improving assembly fit.
- Advanced Runner System: The hot-to-cold runner edge gate enables precise control of melt flow, minimizing weld lines and flash, while the cold runner portion allows easy material changeover.
- Extended Tool Life: Built with hardened tool steel and optimized cooling, the mold is rated for 300,000 shots, offering long-term cost savings.
- Material Flexibility: While designed for PPS, the mold can be adapted for other high-temperature engineering plastics like PEEK, LCP, or PA6T (upon request).
- Custom Design Support: We accept your UG/Parasolid files and can modify the mold design to meet your specific part requirements, including inserts, lifters, or sliders.
- Fast Delivery: Our experienced team ensures efficient manufacturing, with typical lead times of 30–45 days for a mold of this complexity.
Applications:
- Motor bobbins for automotive starters, alternators, and electric motors
- Coil formers for transformers, relays, and solenoids
- Insulators and housings requiring high temperature resistance
- Any PPS component requiring precision molded parts
Why Choose Changzhou Hongxinyutai Precision Mold Co., Ltd.?
Established in 2017, our factory covers 1,000–3,000 square meters and employs a dedicated team of 51–100 professionals. We hold TS16969 certification, demonstrating our commitment to quality management in the automotive and precision molding sectors. Our molds are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and other regions, with convenient shipping from Jiangsu, Shanghai, and Shenzhen ports.
We have successfully delivered hundreds of custom molds for motor bobbins and similar components, earning trust from global clients. Our team uses advanced CAD/CAM software and CNC machining centers to ensure every mold meets your exact specifications. We also provide comprehensive after-sales support, including mold trial, maintenance advice, and spare parts supply.
To further assist your decision, here are answers to frequently asked questions about this product:
Q1: Can this mold be modified for a different part design?
A: Yes, we offer full customization. Provide your 3D model (UG/Parasolid or other formats) and we will adjust the cavities, gating, and cooling accordingly.
Q2: What is the typical lead time for this mold?
A: Standard lead time is approximately 30–45 working days, depending on complexity and current workload. Rush orders can be discussed.
Q3: Do you provide mold trial and sample parts?
A: Absolutely. We can run mold trials at our facility and send you sample parts for approval before shipment.
Q4: What is the payment term?
A: Typically T/T: 50% deposit, 50% before shipment. L/C or other terms are negotiable for long-term partners.
Q5: Can you produce molds with other cavity numbers like 1+1 or 4+4?
A: Yes, we can design molds with any cavity configuration based on your production volume requirements. The 2+2 design is a balanced choice for medium volume.
Q6: How do you ensure the mold achieves 300,000 shots?
A: We use high-quality steel, precise heat treatment, and optimized cooling channels. Regular maintenance as per our guidelines will further extend lifespan.
Q7: Is the mold suitable for other materials besides PPS?
A: The mold design is optimized for PPS, but it can be used for other similar materials (e.g., PA6T, PPA) with minor adjustments. Please consult us for specific recommendations.
Q8: Do you offer shipping worldwide?
A: Yes, we ship to all major markets. We can arrange sea, air, or express delivery from Jiangsu, Shanghai, or Shenzhen ports.
Contact us today to discuss your custom PPS motor bobbin injection mold project. Our team is ready to provide a competitive quote and technical support. With our TS16969-certified processes and global shipping capabilities, we are your reliable partner for precision injection molds.
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