Talking about SLA Printing Technology
①The first step: design the model. The staff uses CAD software to design the model that needs to be printed, then use the discrete program to slice the model, then set the scanning path, and use the obtained data to control the laser scanner and the lifting platform.
②The laser beam passes through the scanner controlled by the numerical control device, and irradiates the surface of the liquid photosensitive resin according to the designed scanning path. After curing a layer of resin in a specific area of the surface, when the layer is processed, a cross-section of the part is generated; , The lifting platform is lowered to a certain distance, the solidified layer is covered with another layer of liquid resin, and then the second layer is scanned. The second solidified layer is firmly bonded to the previous solidified layer, so that layer by layer is superimposed to form a three-dimensional workpiece prototype .
③After the printing is completed, take out the model from the resin liquid, and then perform the final curing of the model and paint the surface to achieve the desired product.
SLA 3D printing technology development trend
1. The three-dimensional light-curing molding method should develop in the direction of high speed, energy saving, environmental protection and miniaturization
2. Improve processing accuracy and develop into the fields of biology, medicine, microelectronics, etc.
3. Continuously improve existing technologies and research new molding processes;
4. Develop new molding materials to improve the strength, precision, performance and life of the parts.
5. Development of economical, precise, reliable, efficient, large-scale manufacturing equipment, large-scale covering parts and their molds
6. Develop powerful data acquisition, processing and monitoring software
7. Expand new application areas, such as product design, rapid mold manufacturing to medical, archaeological and other fields.
