silicone application on LED flood light assembly

High-power floodlights are critical components in outdoor lighting systems, requiring robust waterproofing (IP65 or higher) to withstand harsh environmental conditions. Silicone sealing plays a pivotal role in ensuring long-term reliability, with specific application points demanding precision and consistency. GDS Automation’s 3-axis dispensing systems are engineered to address these challenges, delivering tailored solutions for floodlight manufacturers.

Key Silicone Application Points in Floodlight Assembly

Thermal Grease Application on PCB Backside

• • Conductive thermal grease is dispensed beneath the PCB to enhance heat dissipation, preventing overheating of LED modules.

  • GDS’s 3-axis dispensers ensure uniform, bubble-free coating with micron-level accuracy, optimizing thermal management while maintaining electrical insulation.

Waterproof Sealing at Power Cable Exit

• • Silicone adhesive is precisely applied around the cable entry point to prevent moisture ingress and ensure IP65 compliance.

  • Programmable dispensing paths enable consistent bead formation, even on irregular surfaces, eliminating manual variability.

Structural Bonding of Glass Cover to Housing

• • A continuous silicone sealant bead is deposited along the housing’s perimeter to securely bond the glass cover, providing mechanical strength and environmental protection.

  • High-speed, multi-layer dispensing capabilities accommodate complex geometries and varying gap tolerances.

GDS Automation’s 3-Axis Dispensing Solutions

GDS offers a versatile range of 3-axis dispensing machines tailored to floodlight assembly requirements, balancing precision, throughput, and cost-effectiveness:

• HTD-600: Compact design ideal for small-to-medium floodlights (work area: 600×600×100mm), featuring rapid dispensing cycles for high-volume production.

• TD-6060: Mid-range model (600×600×100mm) with enhanced Z-axis stability, suitable for multi-step processes requiring repeatable accuracy.

• TD-1560: Large-format system (1500×600×100mm) designed for oversized fixtures, supporting simultaneous multi-point dispensing for complex assemblies.