Study on Vibration-Suspense-Type Metal Powder-Coating Process for Selective Laser Sintering

In this paper, Vibration-suspense-type process is used to develop a new material, metal or porcelain powder coated with resin or ceramic powder, then it can be sintered and formed without large-power laser. One set of vibration-suspense-type powder-coating equipment is developed and powder material suitable for SLS can be prepared with the equipment. The moving status and the moving process of powder granule in the vibration-suspense-type process are also analyzed. Based on the equipment, Polystyrene- Al powder material, which is suitable for SLS, is successfully prepared. And the optimum process is discussed.