Yaskawa Motoman industrial robots and robotics automation systems

Motoman Robots Arc Welding

Six Motoman EA1900N robots (three per cell) weld large, pre-tacked heavy equipment subassemblies that are hydraulically clamped on two custom headstock/tailstock positioners with automatically adjusting fixtures and end stops.Heavy Equipment Subassemblies

Flexible system meets customer’s requirements for welding cycle times and 45-second part exchange. System is capable of welding all required part numbers. Automatically adjustable fixtures and retractable end stops accommodate all required part sizes.

Project Challenges

Motoman Robotics Solution

Motoman Robotics provided a custom welding system consisting of two identical cells with shared mezzanine and HMI. Total system includes:

Fixtures/Tooling Details

Motoman Robotics provided two sets of custom fixtures – one per cell. Fixtures adjust automatically to handle various part sizes. Two or three hydraulic clamps engage to hold each part, depending on part size. Fixtures also include retractable end stops, and powered rollers with variable feed drive to assist with loading and unloading. Fixtures allow part to be captured and rotated 180º to permit robots to access welds on bottom of parts.

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