eWys Manufacturing, Inc., a Michigan-based custom precision sheet metal fabrica- tion company, is no stranger to robotic welding. But an important hydraulic reservoir job was presenting some special challenges. DeWys' robotic GMAW welder was producing excessive spatter as it welded the thin-gauge reservoirs. Operators were spending up to a minute per part on cleanup, and those minutes were adding up to 25 hours weekly. Plus, the grinder being use

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