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Help CenterOEM Robot Vacuum Roller Injection Service – 4 Cavity Cold Runner Mould, NAK80 Steel, PC+ABS Material
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. — your trusted partner for precision injection molding solutions. As a dedicated manufacturer established in 2017 with a factory spanning 1,000–3,000 square meters and a team of 51–100 skilled professionals, we specialize in producing high-quality OEM Robot Vacuum Roller Injection Services using a state-of-the-art 4 Cavity Cold Runner Mould crafted from premium NAK80 steel and designed for PC+ABS material. Our mould delivers exceptional dimensional accuracy, consistent output, and long-term durability, making it the ideal choice for robotic vacuum cleaner rollers that demand reliability and performance.
This injection service is engineered to meet the rigorous requirements of the home appliance industry. The cold runner system minimizes material waste and cycle time, while the NAK80 steel ensures superior wear resistance and mirror-like cavity finish. Combined with the versatile PC+ABS material — known for its impact strength, heat resistance, and aesthetic quality — our mould produces rollers that withstand daily use and maintain smooth operation. Whether you need prototypes or mass production, our OEM service offers complete customization to match your exact specifications.
Key Product Features & Technical Specifications
- Mould Structure: 4-cavity cold runner design ensures balanced filling, reduced flash, and faster cycle times compared to hot runner systems.
- Steel Quality: NAK80 steel (pre-hardened, mirror finish capability) provides excellent corrosion resistance and long service life — ideal for high-volume production.
- Material Compatibility: Optimized for PC+ABS blends (typical ratio 60:40 or custom), offering toughness, flame retardance (if specified), and good surface finish.
- Precision Tolerance: ±0.02 mm on critical dimensions, ensuring perfect fit with robot vacuum assemblies.
- Automation Ready: Designed for use with standard injection molding machines (80–150 ton clamping force recommended).
- Surface Treatment: Cavity polished to Ra 0.05 μm for smooth roller surfaces that reduce noise and wear.
- Cooling System: Conformal cooling channels (optional) for uniform temperature control and minimized warpage.
- Lead Time: Typically 25–35 working days for mould manufacturing, with sample delivery within 5–7 days after approval.
| Parameter | Specification |
|---|---|
| Cavity Count | 4 |
| Runner Type | Cold Runner (fully automatic) |
| Mold Steel | NAK80 (HRC 38–42) |
| Product Material | PC+ABS (customizable ratio) |
| Mold Base | Standard (C-type or custom) |
| Injection Machine Compatibility | 80–150 tons |
| Cycle Time Estimate | 25–35 seconds (depending on part design) |
| Mold Life (with maintenance) | 500,000–1,000,000 cycles |
Benefits for Your Business
- Cost Efficiency: The 4-cavity design increases output per cycle by up to 4x compared to single-cavity molds, reducing per-part cost significantly.
- Material Savings: Cold runner system produces virtually no scrap — only small cold slugs, which can be reground and reused (subject to material compatibility).
- High Consistency: NAK80 steel's excellent thermal conductivity and wear resistance ensure that all cavities produce identical parts throughout the mold's life.
- Surface Quality: Polished cavities deliver a glossy finish on the PC+ABS roller, eliminating the need for secondary painting or coating in many cases.
- Global Shipping: We ship from Jiangsu, Shanghai, or Shenzhen ports to North America, Europe, Asia, Africa, Oceania, and more — with reliable logistics partners.
- Customizable Features: Add logos, patterns, or specific textures on the roller surface; adjust hardness or flame rating via material formulation.
Why Choose Changzhou Hongxinyutai Precision Mold?
With over 7 years of industry experience (since 2017), our facility is equipped with advanced CNC machines, EDM, and quality inspection tools. We hold TS16969 certification, demonstrating our commitment to automotive-grade quality management — applicable to household appliance components. Our team has completed hundreds of injection mold projects for robot vacuum parts, serving clients in North America, Europe, Southeast Asia, and beyond. We provide full OEM support: from DFM (Design for Manufacturing) analysis to mold trail, sample verification, and mass production. Our after-sales service includes mold maintenance guidance, spare parts supply, and technical consultation.
Ready to launch your robot vacuum roller production? Contact us today for a free mold design review and competitive quotation. With our proven track record, fast lead times, and rigorous quality control, you can trust us to deliver precision molds that meet your exact requirements. Let's build a successful partnership!
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of this 4-cavity cold runner mold?
A: With proper maintenance, the NAK80 steel mold can achieve 500,000 to 1,000,000 cycles. The actual life depends on injection parameters, material additives, and regular upkeep. We provide maintenance guidelines. -
Q: Can you adjust the PC+ABS material ratio for different performance needs?
A: Yes. The standard blend is 60% PC / 40% ABS, but we can customize ratios to enhance impact resistance, heat deflection temperature, or flowability. Please specify your requirements during inquiry. -
Q: What is the minimum order quantity (MOQ) for this OEM service?
A: For new mold development, the MOQ is typically 1 set of mold. For production parts, we can accommodate small to large volumes — contact us for specific MOQ based on your needs. -
Q: How long does the mould manufacturing take?
A: Standard lead time is 25–35 working days for the 4-cavity mold. Expedited options are available upon request. Sample delivery usually takes 5–7 days after mold completion and approval. -
Q: Do you offer design assistance if I only have a product concept?
A: Absolutely. We provide DFM (Design for Manufacturing) analysis and can optimize your part design for injection molding. Our engineers will suggest modifications to reduce costs and improve quality. -
Q: Is the cold runner system suitable for all types of robot vacuum rollers?
A: Yes. The cold runner works well for most roller geometries. For very long or complex parts, we may recommend adjustments. We'll evaluate your design and propose the best runner system. -
Q: Can you add certifications like UL or RoHS for the final product?
A: We can source PC+ABS materials that comply with UL94 HB/V0 or RoHS/REACH as needed. Please specify certification requirements — we'll provide test reports from our material suppliers. -
Q: What files do you need to start a quotation?
A: We accept 3D models in STP, IGES, or STEP formats. Also include 2D drawings with tolerances if available. Send us your files for a quick quote.
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