When it comes to corrosion, it’s often what you can’t see that counts. For many years, Winnebago motorhomes have used an electrocoating process to coat key steel components inside and out with electrostatically applied paint, helping protect those nooks and crannies from rust-causing moisture and road salt.
Not long ago, the company updated its e-coating process, bringing a new $7-million system online. Featuring a total of 10 immersion stages, the new system utilizes huge tanks to clean and degrease, prep and coat critical steel components. As part of the process, these components are charged with a negative electrical charge, which attracts the positively charged protective coating, causing it to be deposited uniformly onto the metal.
Treated components are then baked in a 400-degree oven until the coating is fully cured and hardened. Once cooled, the parts become part of Winnebago’s just-in-time assembly process, and are ultimately used to build the Winnebago coaches chosen each year by thousands of consumers nationwide.
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