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FD-B6 Through-Arm Welding Robot

SKU: FD-B6 Category: Brand:

OTC DAIHEN FD-B6 Built-in Motor Zero-Interference Welding Robot. Featuring a 1,438 mm standard reach and a 6 kg payload, the FD-B6 conceals both AC servo motors and coaxial welding cables inside the arm structure. Zero external interference for ultra-clean, high-speed automated arc welding in tight spaces.

OTC DAIHEN FD-B6 Zero-Interference Built-in Motor Welding Robot

The OTC DAIHEN FD-B6 is a compact, ultra-streamlined 6-axis industrial welding robot engineered for zero-interference automation. Combining a standard 1,438 mm working radius with a 6 kg payload capacity, the FD-B6 distinguishes itself by embedding its Axis 5 and Axis 6 AC servo motors directly within the arm housing alongside coaxial through-arm cable routing. This clean, snag-free architecture eliminates external cable loops and motor protrusions, allowing the robot arm to execute high-speed welds inside confined automotive sub-frames, exhaust manifolds, and precision tubular structures without risk of collision.

⚙️ Core Mechanical & Electrical Technical Specifications

Specification Parameter Unit OEM Technical Data
Robot Model / Axis Count FD-B6 / Vertical Articulated 6-Axis
Max. Working Radius (Reach) mm 1438 mm (Standard 1.4m Reach)
Wrist Payload / Axis 3 Extra Payload kg 6.0 / 10.0
Repeatability (ISO 9283 TCP) mm ±0.08
Total Drive Capacity / Total Weight W / kg 3132 / 145.0
Axis Motion Range
& Max. Speed
Axis J1 (Rotation) ° / (°/s) ±170° (±50°) / Max. Speed 240°/s
Axis J2 (Lower Arm) ° / (°/s) -155° ~ +90° / Max. Speed 210°/s
Axis J3 (Upper Arm) ° / (°/s) -170° ~ +245° / Max. Speed 210°/s
Axis J4 (Wrist Roll) ° / (°/s) ±155° (±170°) / Max. Speed 420°/s
Axis J5 (Wrist Pitch/Bend) ° / (°/s) -45° ~ +225° / Max. Speed 420°/s
Axis J6 (Wrist Twist) ° / (°/s) ±205° (±360°) / Max. Speed 600°/s
Torque & Moment of Inertia (J4/J5/J6) N·m / kg·m² Torque: 10.5 / 10.5 / 5.9 Nm | Moment of Inertia: 0.28 / 0.28 / 0.06 kg·m²

🔧 Engineering & Integration Guide

  • Zero Blind-Spot Welding: The embedded motor structure removes exterior bulk from the wrist, granting programmers complete freedom to approach weld joints from tight, aggressive angles.
  • Enhanced Cable Longevity: Because coaxial power and gas lines are completely enclosed and shielded from UV radiation, weld spatter, and mechanical scraping, consumable cable replacement intervals are extended by up to 300%.
  • Offline Simulation: The clean outer cylindrical contour of the FD-B6 simplifies offline 3D CAD CAD/CAM programming and collision detection modeling, reducing onsite commissioning time.

📞 Contact for Global B2B Pricing & Technical Support

Anhui Oujie Automation Technology Co., Ltd. is your authorized supplier for genuine OTC DAIHEN industrial welding robots and automated arc welding cells. We guarantee 100% authentic equipment for your production lines.

⚡ Fast global shipping. Genuine guarantee. Professional automation support included.

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