Rocker shafts for automobile engines

•  Replace phosphate batch-coating process with an in-line process
•  Improve wear resistance
•  Increase oil retention

Vibrogrooving provides an oil resevoir on the metal surface, while FriCSo’s polymer lapping adds an oil-retaining organic nano-layer and hardens the metal surface. FriCSo polymer lapping is performed in-line on the current through-feed superfinishing machines. No capital expense and no change in production throughput are required. 

In tests comparing phosphate coating to FriCSo treatment, after thousands of engine-hours, FriCSo treatment proved to be more cost-effective in providing performance reliability.