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Help CenterPPS+GF40 Motor Insulation Bobbin Mold With 1*2 Cavity ot to Cold Runner Edge Gate Glossy Surface
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – a specialized manufacturer with over 7 years of experience in precision injection molds. Our PPS+GF40 Motor Insulation Bobbin Mold is engineered to produce high-quality bobbins for electric motors, featuring a 1×2 cavity layout with a cold runner edge gate system and a glossy surface finish. This mold combines the exceptional heat resistance and dimensional stability of PPS+GF40 material with our advanced mold design, ensuring consistent part quality, long mold life, and efficient production cycles. Whether you need a standard solution or a customized design, our team is ready to support your project.
Key Features & Technical Specifications
- Material Compatibility: Optimized specifically for PPS+GF40 (Polyphenylene Sulfide + 40% Glass Fiber), which offers excellent thermal stability (continuous use up to 220°C), high mechanical strength, and outstanding chemical resistance – ideal for motor insulation components.
- Cavity Design: 1 cavity with 2 cores (1×2 cavity) for balanced filling and high productivity. The mold can produce two identical bobbins per cycle, increasing output without sacrificing quality.
- Gate System: Cold runner edge gate design ensures precise material flow, minimizes stress marks, and facilitates easy part removal. The edge gate location is carefully calculated to optimize filling and reduce residual stress.
- Surface Finish: Glossy surface on the cavity achieves a smooth, shiny finish on the bobbin, which is essential for electrical insulation performance and preventing dust accumulation.
- Cooling Efficiency: Strategically placed cooling channels with turbulent flow design ensure uniform temperature distribution, reducing cycle time by up to 20% and preventing warpage.
- Mold Construction: High-quality steel (e.g., hardened tool steel) for cavity and core inserts, with precision machining to achieve tight tolerances of ±0.01mm. The mold base can be customized to different standards (e.g., HASCO, DME, or customer-specific).
- Maintenance & Durability: Wear-resistant coatings and hardened surfaces extend mold life beyond 1,000,000 cycles under proper maintenance. Replacement parts are readily available.
| Parameter | Specification |
|---|---|
| Mold Material (Cavity/Core) | S136H / 8407 / 1.2344 (or equivalent, customizable) |
| Mold Base Material | P20 / 718H / 2738 (or as per customer requirement) |
| Mold Weight | Approx. 150–300 kg (depending on size and customization) |
| Max Injection Pressure | 1500–2000 bar (depending on machine) |
| Cycle Time (Est.) | 15–25 seconds (based on part geometry and cooling) |
| Mold Life Expectancy | ≥1,000,000 cycles (with regular maintenance) |
Benefits for Your Production
- Higher Output: The 1×2 cavity design allows you to produce two bobbins per cycle, effectively doubling your output compared to a single-cavity mold without compromising quality.
- Consistent Quality: Precision cooling and balanced gate design ensure identical part dimensions, minimal flash, and excellent surface finish for every shot.
- Cost Savings: Up to 30% reduction in per-part manufacturing cost due to shorter cycle times and lower scrap rates. The cold runner system minimizes material waste compared to hot runners.
- Easy Maintenance: Modular design with interchangeable inserts allows quick repair or replacement of damaged components, reducing downtime.
- Customizable: We can adjust cavity layout, gate location, cooling design, and ejector system to match your specific injection molding machine and product requirements.
- Global Support: Our molds are shipped to over 20 countries, including North America, Europe, and Southeast Asia, with reliable after-sales service and technical support.
Trust & Reliability
Since 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has been dedicated to delivering high-performance injection molds. Our factory spans 1,000–3,000 square meters and houses a team of 51–100 skilled professionals, including experienced mold designers, CNC machinists, and quality control experts. We have obtained TS16969 certification, which reflects our commitment to rigorous quality management systems and continuous improvement. Our main markets cover North America, South America, Europe, Africa, Oceania, and Asia, demonstrating our ability to meet diverse international standards. We use advanced 5-axis CNC machines, EDM, and CMM inspection equipment to ensure every mold meets the tightest tolerances. When you choose our PPS+GF40 Motor Insulation Bobbin Mold, you are partnering with a reliable manufacturer who understands the critical role of precision in motor components. Contact us today to discuss your specific requirements and request a free quotation. Let us help you optimize your production line with a mold that delivers performance, reliability, and value.
Frequently Asked Questions (FAQ)
1. What is the main advantage of using PPS+GF40 material for motor bobbin molds?
PPS+GF40 offers excellent thermal stability (up to 220°C continuous), high mechanical strength, and outstanding electrical insulation properties. It also resists chemicals and moisture, making it ideal for demanding motor applications.
2. Can the cavity quantity be customized to 1×4, 2×2, or other configurations?
Yes, we can adjust the cavity layout based on your production volume and part size. The standard 1×2 design is optimized for balanced filling, but we can design molds with 1×4, 2×2, or even multi-cavity layouts upon request.
3. What is the typical lead time for this mold?
Lead time depends on complexity and customization. For a standard 1×2 cavity mold, it usually takes 30–45 working days from design approval to final inspection. Rush orders can be discussed.
4. Do you provide mold trial and sample parts before shipping?
Absolutely. We offer mold trial services at our facility and can send you sample parts for quality approval. We also provide detailed inspection reports and dimensional measurements.
5. What is the warranty period for your molds?
We provide a 12-month warranty against manufacturing defects from the date of shipment. During this period, we offer free repair or replacement of defective components (excluding normal wear and tear).
6. Can you design a mold for a different gate type, such as a hot runner or submarine gate?
Yes, we can modify the gate system to hot runner, submarine gate, or other types based on your material and part geometry. The edge gate is recommended for PPS+GF40 to minimize stress, but alternatives are available.
7. What is the minimum order quantity (MOQ) for this mold?
We accept single mold orders. There is no specific MOQ, but we do recommend ordering at least 1 mold for initial production. For larger projects, we can offer volume discounts.
8. How do you ensure the glossy surface finish on the final product?
The cavity surface is polished to a high gloss (SPI A-1 or equivalent) using diamond paste and fine polishing techniques. We also use optimized cooling and injection parameters to prevent surface defects.
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