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Guangdian Tech specializes in designing and manufacturing high-precision injection molds tailored for automotive small light covers. Crafted to process PC (Polycarbonate) and PMMA (Polymethyl Methacrylate), these molds are engineered to deliver exceptional optical clarity, strict dimensional accuracy, and superior surface finish—critical factors for automotive lighting components.
Our molds integrate advanced flow control, cooling, and venting systems to ensure consistent production quality, making them ideal for OEMs and Tier 1 suppliers worldwide. With a focus on durability and efficiency, each mold undergoes rigorous testing to meet the demanding standards of the automotive industry, ensuring long-term reliability in high-volume production environments.
Parameter | Details |
Material Compatibility | PC, PMMA |
Dimensional Accuracy | ±0.005mm |
Surface Finish | Ra 0.02μm (mirror-grade polishing) |
Mold Lifespan | 500,000+ cycles |
Cooling System | Multi-zone water-cooled channels |
Venting Design | Micro-venting slots (0.01mm width) |
The mold’s precision machining ensures that automotive small light covers maintain 95% light transmittance—a key metric for meeting safety and visibility standards. Surface polishing processes, including diamond buffing, eliminate micro-scratches and impurities, preventing light scattering and ensuring uniform illumination.
Constructed from H13 hot-work tool steel (hardness: 50-52 HRC), the mold resists wear and corrosion caused by high-temperature PC/PMMA processing. Heat treatment procedures, such as quenching and tempering, further extend its lifespan, reducing maintenance costs for manufacturers.
A streamlined cooling system, featuring 8-12 water channels per mold cavity, reduces cooling time by 30% compared to standard designs. This optimization shortens overall production cycles to 45-60 seconds per part, boosting throughput for high-volume orders.
Guangdian Tech offers tailored solutions, including mold cavity counts (1-8 cavities) and gate positioning (submarine or hot runner systems), to match specific production needs. This flexibility allows manufacturers to adapt to varying part sizes and design complexities.
The mold is optimized for PC and PMMA, two polymers widely used in automotive lighting for their transparency, impact resistance, and heat tolerance. It can also be adjusted to handle other transparent engineering plastics upon request.
We utilize CNC machining centers (tolerance: ±0.001mm) and EDM (Electrical Discharge Machining) for critical components, ensuring that each mold meets strict dimensional standards. Post-production inspections using 3D coordinate measuring machines (CMM) further validate accuracy.
Yes. Our engineering team works with clients to design custom molds based on 3D part models. We offer modifications to cavity counts, cooling layouts, and venting systems to accommodate unique geometries and production requirements.
Standard lead time is 45-60 days for off-the-shelf designs. Custom molds may require 60-90 days, depending on complexity. Rush orders can be prioritized with a 20% expedite fee.
We provide a 12-month warranty on all molds, covering defects in materials and workmanship. Additionally, our technical team offers on-site training for mold setup and maintenance, ensuring optimal performance throughout the mold's lifespan.
By combining advanced manufacturing techniques with customer-centric design, Guangdian Tech’s precision injection molds set a benchmark for quality in the automotive lighting industry. Contact us to discuss how our solutions can enhance your production efficiency and product quality.
