SLA3D printers and resin-made products require a series of post-treatments to function better and improve print quality and mechanical properties. Before we begin, make sure you understand the safety precautions involved in handling SLA resins and have a dedicated work area.
The tools involved in post-processing include: shovel knife, gloves, alcohol, water, brush, cleaning box, curing box, flat cutting tool, sand paper, etc.
1, clean
Place the 3D-printed workpiece into a cleaning chamber filled with a mixture of alcohol and water and use a brush to clean the remaining liquid on the surface. Direct contact with the resin liquid should be avoided. If the resin accidentally touches exposed skin, wash immediately with soap and water.
2. Remove support
Next, remove the tree support structure of the model. It can be done before or after curing, but it is easier to do it before curing.
Method 1: Disconnect them
If you're not worried about the small details, manually breaking the support frame is the fastest way. However, if your model has good functionality, ** pay attention.
Method 2: Use flat end cutter
For more complex parts, carefully cut the bracket using a flat end cutter. Get as close to the model as possible without damaging the surface.
With both methods, small pieces will remain on your printout. It's inevitable, but easily solved with a little sandpaper and some patience.
3, curing
Put the printed product into the uv curing box and adjust the curing time according to the size of the product.
Through the above three steps, we can get a 3D printed model with smooth surface. If spray painting is needed, a more delicate grinding process is needed. Use different types of sandpaper, polishing should ensure that the details of the product is not accidentally injured.