Yaskawa Motoman industrial robots and robotics automation systems

Motoman Robots Arc Welding

Two Motoman HP50-20 robots weld snow plow frames located on two headstock/tailstock positioners with manually adjusting head- and tailstocks to accommodate part length variations and facilitate programming.Frames for Sectional Snowplows

Robotic welding system accommodates wide range of sizes, including 8', 10', 12', and 14' L frames for light-duty snow plows and 12', 14', 16', 19' and 22' L frames for heavy-duty models. Robots surpass goal of producing 10 frames per 10-hour shift. Cell welds 12' frames in 42-45 minutes (25-30% faster than requirement), with similar stellar results for other frame sizes. Flexible cell design accommodates wide range of frame sizes, but keeps centerline of parts consistent, which facilitates programming by allowing points to be taught on one side of the positioner and then shifted to the other side. Robot solution provides consistent high-quality welding, which improves frame fit-up and aesthetics.

Project Challenges

Motoman Robotics Solution

Fixtures/Tooling Details

Motoman Robotics provided two sets of fixture receivers per headstock/ tailstock positioner (a total of four bolt-on fixture adapters). Each positioner has one set for light-duty frames and another for heavy-duty frames. The operator bolts fixture adapters to parts off-line and uses an overhead crane to lift them into the headstock/tailstock fixture receivers.

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