A2PB Professional Welding Positioner

OTC DAIHEN A2PB Series High‑Precision Servo Positioners

The A2PB series from OTC DAIHEN are high‑precision servo positioners specifically developed for robotic automation welding. The series covers six models from 25kg to 1000kg payload; here we feature the A2PB252-E (250kg), A2PB502-E (500kg), and A2PB1002-E (1000kg). Equipped with AC servo motors and backlash‑free reducers, they achieve the same high positioning accuracy as the robots themselves. They can be operated directly via the robot teach pendant and taught simultaneously with the robot, greatly simplifying programming. When used with a robot, optional coordination software enables perfect synchronized motion for complex workpiece welding.

✨ Key Technology Advantages

• High‑precision drive — AC servo motor + backlash‑free reducer, ±0.1mm repeatability (at R300).

• Integrated robot operation — Controlled directly from the robot teach pendant.

• Coordinated motion option — Optional software for perfect robot‑positioner synchronization.

• Arbitrary stop position — Rotation stops at any desired angle.

• High torque output — 206~1078 N·m, handling heavy workpieces.

• Wide speed range — Up to 150°/s, balancing speed and smoothness.

🔧 Primary Applications

Automotive manufacturing, construction machinery, motorcycle frames, steel structures, pipe prefabrication – robotic welding lines requiring coordinated positioner motion for complex parts.

📊 OTC DAIHEN A2PB Series Technical Specifications