Sinar Unggul

Ultra-Flex 7-Axis Through-Arm Robot OTC DAIHEN® Automation

OTC DAIHEN FD-B4S – Highly Flexible 7-Axis High-Speed Robot

Integrated Cable Routing • Advanced Redundancy Kinematics • Compact High-Density Layout

The OTC DAIHEN FD-B4S is a cutting-edge, 7-axis vertical articulated industrial robot engineered to provide unmatched freedom of movement, agility, and precision path execution. Featuring a unique 7th rotational axis configuration, the FD-B4S specializes in dynamic obstacle avoidance within highly crowded or restricted welding zones. Unlike standard 6-axis configurations, it can freely alter its structural arm posture while holding the exact position and attitude of the end-of-arm tool completely constant. Built with a sleek, through-arm hollow shaft structure, all core utility lines and heavy welding cables are integrated entirely inside the 7th axis mechanism. This eliminates exterior snags, slashes teaching downtime, and significantly boosts overall arc quality and production line efficiency.

Key Features & Design Advantages

• 7-Axis Kinematic Redundancy: Rotates smoothly around bulky parts or tight fixtures to reach internal seams, frequently eliminating the need for expensive external component positioners.
• Fully Enclosed Internal Routing: Keeps torch coaxial connections, electrical signal lines, and pneumatic supply conduits protected internally, ensuring zero component wear from external rubbing.
• Coordinated Teaching Software: Advanced trajectory math controls the 7th joint automatically, simplifying manual teach-pendant manipulation into intuitive directional paths.
• High Rigidity & Tracking Precision: Powered by premium 3,550W AC servo drives to maintain an industrial repeatability rating of ±0.08 mm.
• Space-Saving Work Envelope: The narrow arm profile fits tightly against neighboring machines to achieve ultra-compact, multi-robot manufacturing cell arrangements.

Technical Specifications

Specification Parameter	Detail Value
Model Type Designation	FD-B4S
Number of Controlled Axes	7 Axes (Articulated Articulation)
Working Motion Range (Reach)	R = 1,435 mm (Horizontal Reach)
Maximum Payload Capacity	4 kg (8.8 lbs)
Additional Payload (Axis 3)	10 kg (For Torches / Gripper Brackets)
Positional Repeatability	±0.08 mm
Total Manipulator Mass Weight	189 kg
Installation Type Support	Floor Mounted (F) Base Configuration
Ambient Operating Window	0 ~ 45°C, 20 ~ 80% RH (No Condensation)

Target Applications

• Precision Robotic Welding: Excellent for intricate MIG, TIG, and automated tandem arc welding paths in tight assemblies.
• Narrow Space Handling: Perfect for high-density machine tending, electronics handling, and handling small automotive castings.
• Dispensing & Assembly Tasks: Executes precise fluid application, adhesive sealing, and detailed part indexing patterns.

System Value Summary

✓ The unique 7th axis layout allows the arm to shift around structural columns, significantly shortening tool indexing times.
✓ Eliminates exterior cable loops to protect adjacent tooling fixtures from mechanical collision risks.
✓ Built-in sensitive mechanical shock sensor stops travel quickly to safeguard end effectors.

Alternative Range Required?

Evaluate longer reach or alternative load 7-axis models:

PT Sinar Unggul Pratama – Authorized Distributor

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