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Introduction to 3D printing SLS printing

Views: 17     Author: Site Editor     Publish Time: 2021-11-23      Origin: Site

3D printing technology

Introduction to 3D printing SLS printing

Before 3D printing technology is widely used, the processing tools of prototype manufacturers mainly rely on lathes and milling machines and CNC machining to complete the additive manufacturing, which is extremely cumbersome and expensive. However, as the 3D printing technology becomes more and more mature, the processing procedure of the prototype has become simple, and the production cost has also been greatly reduced.

Due to its unique processing technology, SLS does not require support structure during processing. No matter how complicated the structure model is, it can be printed. Coupled with the comprehensive combination of its scanning speed and rapid cooling system, the printing speed is faster and more convenient than traditional processing. At the same time, the cycle efficiency of prototype production is greatly improved. So what is the 3D printing process of SLS technology?

The SLS 3D printing process first heats the powder box and builds the area below the melting point of the polymer, and the coating blade is used to spread a thin layer of powder on the build platform. Subsequently, the CO2 laser scans the contour of the next layer and sinters the powder particles. To ensure that the part is completely solid, the entire cross-section of the part needs to be scanned. Once a layer is completed, the build platform moves down, the blade recoats the surface with a clean powder coating, and the process is repeated until the part is complete.

There will be many post-processing steps after printing. The solid 3D printed part is in the unsintered powder. When the part is removed, the build chamber needs to be cooled. This cooling process may take about 12 hours.

After the parts are removed from the build chamber, they will be cleaned using a compressed air station or other form of spray technology. Collect the recovered unsintered powder for reuse.

3D printing technology is currently mainly used to make digital prototypes of aviation, automobiles, medical care, and home appliances. The use of 3D printing technology can be more quickly and efficiently manufactured. If you have small batch or special parts processing needs, you can find Kaiao Industrial, Kaiao 3D printing SLS process can quickly and effectively solve the problem and reduce your processing costs.

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