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About Project

Here is a 60cm-long scaled-down car grille model made with nylon PA 12 and SLS 3D printing technology. The print has been vapor smoothed with AMT post-processing equipment.

Solution

• Step 1: First, the 3D model will be broken down into layers of 0.1 mm on the computer and sent to the 3D printer.
• Step 2: Before printing, we need to fill the tank with SLS Nylon PA12 powders. On a bed pressure, a 0.1 mm thick layer over the whole width is applied.
• Step 3: Pre-heat the machine to above 100掳C, and the laser will lit the powder and increases the temperature just above the melting point of the powders.
• Step 4: After a layer is formed, the platform will lower down and produce another layer.
• Step 5: When the printing process ends, remove the excess powders which also serve as supports.
• Step 6: Polish the model with AMT chemical vapor.