An undesirable coil condition in which the material appears dished. It can be caused in the cold rolling process if too much pressure is placed on the center of the strip, overstretching and lengthening the center of the material. If the material is rolled, the bumps simply transfer to the other side or pop in and out like an oil can.
CS Unitec's Surface Finisher - Linear Grinder - Model PTX Eco Smart
The PTX Eco Smart is a multi-functional grinding and polishing system for flat surfaces and open or closed pipe constructions. Grind from coarse to very fine finishes, and burnish to a high-gloss finish. Work with stainless steel, steel and nonferrous metals (aluminum, brass, bronze and copper), wood, and rigid plastic.
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