Causes of dark marks on the surface of polished aluminum parts
If there is an excessively deep mark on the surface of the workpiece during polishing, some people will take extra polish pressure in an attempt to throw away the track marks. This does not help to injure parts and make the surface dark. Burnt marks. This phenomenon will appear more obvious after chemical polishing, showing a creamy, milky spot, and will remain after anodization. SPC is defined as Stone Plastic Composite or Stone Plastic Composite. Using advanced technologies, it is made up of four layers – the top wear layer, a printed vinyl layer, a rigid core, and the final backing layer. The top two layers serve the same function as the popular vinyl flooring. The protective wear layer is crucial for the lifespan of your flooring, preventing excessive wear and tear. As its name suggests, the printed vinyl layer is manufactured with realistic images that mimic the look of materials like stone, ceramic, or wood. VINYL SPC, SPC FLOORING Omega Eco Deco Materials(GuangDong) Co., Ltd , https://www.rococfloor.com
In order to avoid this phenomenon, in addition to properly reduce the peripheral speed of the polishing wheel, it is necessary to add appropriate amount of polishing paste at the same time, reduce the contact pressure between the workpiece and the polishing wheel, and continuously change the polishing wheel and workpiece. Measures such as the contact area between them are prevented.