Mechanical polishing involves using abrasives to smooth and shine surfaces. This process can range from coarse sanding to fine polishing with compounds, resulting in a smooth, reflective finish.
Applying paint or specialized coatings can enhance both the appearance and durability of a product. This process can involve spray painting, powder coating, or even electroplating for metallic finishes.
Tumble finishing is a method where parts are placed in a rotating barrel with abrasive media. As the barrel rotates, the parts and media interact, smoothing and polishing the surfaces of the parts.
Chemical polishing uses acids or other chemicals to remove a thin layer from the surface of a material, resulting in a smooth, shiny finish. This method is particularly useful for complex shapes or delicate materials.
Vapor smoothing is a process used primarily for 3D printed parts. The part is exposed to a vaporized solvent which slightly melts the surface, smoothing out layer lines and creating a glossy finish.
Heat treatment can be used to alter the surface properties of materials. For example, annealing can soften a material for easier finishing, while hardening can increase wear resistance after polishing.