Research ArticleOpen accessIn the keywordsImproving an Electrostatic Powder Coating Process via Signal to Noise Response SurfacePongchanun LuangpaiboonProblem statement: In a coating process, the master plate referenced brightness or color shade was critical to the exterior appearance on aluminum alloy wheels. The quality measures of interest are the metallic paint thickness values on four areas. Because of these lower quality levels, the manufacturer has spent more on the cost of restudy or scrap as well as the … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,476 accessesView PDFCite