Yaskawa Motoman Robotics

Motoman Robots Arc Welding

Motoman Robotics provided two identical custom systems, each with two EA1900N robots on servo tracks welding large heavy-equipment weldments on a heavy-payload MHT-3100 headstock/tailstock positioner.Heavy Equipment Weldments

Robot systems dramatically improved productivity. Depending on part number, weldments that previously required 3 hours to weld manually can be robotically welded in 50 minutes; others that required 5-6 hours to weld manually can be robotically welded in only 90 minutes. System robotically welds areas that are ergonomically difficult for manual welders, such as 1.2-m (4') down into a channel between two plates. Robotic welding improved quality and consistency. Due to part design limitations (torch access), project would have been considered a success if the robots were able to weld 70% of the total weld length. However, robots far exceeded customer’s expectations and are able to access and weld more than 90% of the total weld length.

Project Challenges

Motoman Robotics Solution

Motoman Robotics provided two dual-robot systems. Each includes:

Fixtures/Tooling Details

The customer was responsible for providing manually clamped fixtures for this project. Details in the fixtures are manually changed out to accommodate four different part families.

 


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