There is a misconception that 3D printing does not produce parts with smooth polished surfaces like traditional manufacturing techniques. However, there are a variety of post-processing techniques that can solve such concerns and they are widely used. For example, Stratasys' RedEye, one of the world's largest providers of 3D printing services, has a variety of technical tools for parts manufactured on 3D printing equipment based on fused deposition (FDM) and PolyJet technologies. Processing services. RedEye offers a variety of post-processing technologies, but the company typically uses Sanding, Bead Blasting and Vapor Smoothing. (Note: This article describes the methods used in industry, and individual enthusiasts can learn from them.) Sanding (Sanding) Although FDM technology equipment can produce high-quality parts, it must be said that the layer-by-layer texture on the parts is visible to the naked eye, which often affects the user's judgment, especially when the appearance is an important factor of the part. Therefore, it is necessary to sandpaper for post-processing. Sandpaper sanding can be done by hand or by professional equipment such as a belt sander. Sandpaper sanding is an inexpensive and effective method that has been the most commonly used and widely used technology for post-polishing 3D printed parts. Sandpaper grinding can be problematic when dealing with relatively small parts because it relies on manual or mechanical reciprocating motion. However, the sandpaper is still relatively quick to handle. Generally, objects printed with FDM technology often have a circle of texture, and it takes only 15 minutes to sand the size of the remote control of the TV. If the parts have the minimum requirements for precision and durability, be sure not to over-grind them. Calculate the amount of material to be polished in advance. Otherwise, over-grinding will make the parts deformed and scrapped. Benchmarking also helps determine which sanding process to use—either hand sanding or electric sanding—and which tools to use. Bead Blasting The second most common post-treatment process is Bead Blasting. The operator holds the nozzle to spray the medium beads toward the polishing object at a high speed to achieve the polishing effect. Pearlized treatment is generally faster, and can be processed in about 5 to 10 minutes. After treatment, the surface of the product is smooth and has a uniform matt effect. Full Tempered Glass,Tempered Glass Ove,Glass Pro Premium Tempered,Quality Tempered Glass WCH Temper Glass Co., Ltd , https://www.temperglasswch.com.jpg)