KEYENCE FU-67G Fiber Optic Sensor Head
The FU-67G is a high-performance, thru-beam fiber optic sensor head designed by Keyence for precision detection in demanding industrial automation environments. Part of the FU series, this model is specifically engineered with a high-flexibility cable to withstand repeated bending, making it ideal for installation on moving machine parts and robotic arms where durability is paramount.
Technical Specifications and Ratings
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Model: FU-67G (Thru-beam type)
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Fiber Unit Length: 1.0 m (Free-cut)
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Fiber Diameter: ø1.0 mm x 2
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Minimum Bend Radius: R2 mm (High-flex)
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Minimum Detectable Object: ø0.005 mm (when used with high-power amplifiers)
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Ambient Temperature: -40 to +70 °C (-40 to 158 °F)
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Housing Material: Stainless steel (SUS303)
Advanced Design and Durability
The FU-67G utilizes a specialized fiber core that allows for a tight R2 mm bend radius without significant light loss or breakage. Its stainless steel tip provides excellent mechanical protection and resistance to harsh industrial conditions.
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High-Flex Fiber: Designed for millions of bending cycles, ensuring long-term reliability in dynamic applications.
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Ultra-Small Object Detection: When paired with digital fiber amplifiers (such as the FS-N series), it can detect target objects as small as five microns.
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Simple Installation: The thru-beam configuration ensures a stable light axis, while the free-cut fiber length allows for precise on-site customization to fit specific machine dimensions.
Industrial Applications and Compatibility
The KEYENCE FU-67G is optimized for high-speed production lines and is commonly used in:
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Electronic Assembly: Precise positioning of miniature components and PCB edge detection.
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Robotics: Cable track mounting for end-of-arm tooling detection.
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Semiconductor Manufacturing: Reliable wafer detection in vacuum or high-vibration zones.
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Compatible Amplifiers: Fully compatible with Keyence FS-N40, FS-N10, and FS-V30 series digital fiber optic amplifiers.
