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Payload 6kg | Reach 1411mm | Axes 6

OTC FD-B6 arc-welding robot utilizes a streamlined, through-arm coaxial cable, which gives you maximum mobility in tight work spaces.  This compact design makes welding in confined spaces or complicated fixtures a snap.

The FD-B6’s streamlined coaxial cable improves wire feeding, giving you better overall weld quality.


• Through-arm cable design improves torch reach & wire feeding

• Offers a wide working range with an independently articulated arm

• Seamless digital connection with all OTC Daihen brand welding power supplies

• Improved vibration restraining control provides smooth robot movement

• Built-in mechanical shock sensor

• Single source technology – all components are manufactured by OTC Daihen.

• Highly versatile design supports most welding applications


• Windows XP based open architecture

• Large memory capacity and 40 Input / 40 Output control signals

• Advanced PLC functions allow for ladder diagram editing directly through the teach pendant

• Network capabilities – connects to Ethernet, DeviceNet, and PROFIBUS connections (may require additional hardware)

• Improved Specification for severe condition such as high-humidity & high-temperature


• Icon displays assist in quick & easy teaching

• 640×480 VGA color screen with LED backlight 65536 color display

• 3 position enable switch provides increased safety

• Multi-screen function allows user to view up to 4 screens simultaneously

• On-screen help function with complete instruction manuals

• Standard touch screen display with jog dial operation

Specification Value
Number of Axes 6
Maximum Payload Capacity 13.2 lbs (6 kg)
Positional Repeatability ± 0.003" (± 0.08 mm) (Note 1)
Horizontal Reach 55.55" (1411 mm)
Vertical Reach 98.98" (2514mm)
Drive Capacity 3132W
Working Range, Arm, J1 (Rotation) ±170 ° (±50°) (Note 2)
Working Range, Arm, J2 (Lower Arm) -155 ° to +90°
Working Range, Arm, J3 (Upper Arm) -170° to +245°
Working Range, Wrist, J4 (Swing) ±155°
Working Range, Wrist, J5 (Bending) -45° to +225°
Working Range, Wrist, J6 (Twist) ±205 °
Maximum Velocity, Arm, J1 (Rotation) 4.19 rad/s (240°/s) [3.32 rad/s (190°/s)] (Note 2)
Maximum Velocity, Arm, J2 (Lower Arm) 4.19 rad/s (240°/s)
Maximum Velocity, Arm, J3 (Upper Arm) 4.01 rad/s (230°/s)
Maximum Velocity, Wrist, J4 (Swing) 7.5 rad/s (430°/s)
Maximum Velocity, Wrist, J5 (Bending) 7.33 rad/s (420°/s)
Maximum Velocity, Wrist, J6 (Twist) 11.0 rad/s (630°/s)
Wrist Load, Allowable Moment, J4 (Swing) 10.5 N⋅m
Wrist Load, Allowable Moment, J5 (Bending) 10.5 N⋅m
Wrist Load, Allowable Moment, J6 (Twist) 5.9 N⋅m
Wrist Load, Allowable Moment of Inertia, J4 (Swing) 0.28 kg⋅m²
Wrist Load, Allowable Moment of Inertia, J5 (Bending) 0.28 kg⋅m²
Wrist Load, Allowable Moment of Inertia, J6 (Twist) 0.06 kg⋅m²
Arm operation cross-sectional area 3.59 m² x 340°
Environmental Conditions 32 to 113º F (0 to 45 °C), 20 ~ 80% RH
Mass 319 lbs. (145 kg)
Upper arm payload capacity 22.05 lbs. 10 kg (Note 6)
Installation type Floor / Ceiling / Wall
Paint color White (Munsell notation 10GY 9/1)