SICK LL3-DK66 Fiber-Optic Cable for Precision Detection

 

 

 

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The Applications

1. Micro-Component Presence Detection in Electronics Assembly

In high-density electronics production, verifying the presence of miniature parts such as pins, leads, or terminals is critical. The LL3-DK66 fiber-optic cable supports this requirement by enabling accurate detection in extremely confined spaces. Its slim fiber can be positioned close to the assembly point without interfering with tooling or motion. Axial light emission helps maintain stable detection even when components vary slightly in height or orientation. This improves process reliability, reduces assembly defects, and prevents missing components from progressing to later production stages.

2. Precision Part Positioning in Automated Pick-and-Place Systems

Pick-and-place machines depend on precise feedback to confirm part location before gripping or placement. The LL3-DK66 is effective in tight pickup zones where standard sensors are too bulky. Its compact sensing head can be mounted near the gripping area, providing consistent proximity signals for small or irregular parts. Flexible fiber routing supports clean integration along robotic arms, helping maintain detection accuracy while reducing mechanical stress and minimizing downtime caused by mispicks or alignment errors.

3. Quality Inspection of Fine Mechanical Components

In industries producing miniature mechanical parts, such as precision instruments or small assemblies, detecting thin edges, wires, or gaps is essential. The LL3-DK66 enables non-contact detection of very small features without risking surface damage. When combined with an appropriate amplifier, it can monitor subtle positional changes with high repeatability. This allows manufacturers to maintain tight tolerances, improve inspection consistency, and protect delicate components during continuous, high-volume production.

4. Reliable Object Detection in Compact Packaging Machinery

Compact packaging equipment often operates at high speed with limited sensor mounting space. The LL3-DK66 addresses this challenge by separating the sensing point from the electronics, allowing detection directly within narrow guides or chutes. Its flexible fiber supports routing through tight mechanical paths, while the robust sensing head tolerates continuous operation. In real-world use, this improves detection of small items or package edges, helping prevent jams, synchronize machine actions, and maintain stable throughput.