If the 3D printed model is as bright as the usual plastic parts, the annoying layer will always make people feel uncomfortable.
However, the reality is... now there is a very easy way to polish the model once and for all. Can only give you a summary of the currently used grinding and polishing techniques, mainly for ABS and PLA.
Lighter grill
The easiest way is to not need a variety of equipment, you only need a lighter to simply polish the surface of the model, how to operate?
The method is very simple, which is to burn the burrs with fire. However, it should be noted that the use of fire to burn ABS should pay attention to safety and avoid fire.
Acetone polishing
It is the acetone polishing that is often mentioned, and the model is polished by the characteristics of ABS dissolved in acetone, mainly using a steam fumigation 3D model of acetone.
However, the use of acetone polishing should be noted that acetone is toxic, flammable, explosive, and irritating. It is recommended to wear safety equipment such as gas masks in a well ventilated environment.
Vibration polishing
Polishing using a vibratory polisher or polishing by a centrifugal polisher, the main principle is to achieve polishing by collision friction between the medium and the model.
Sandpaper sanding
The most frequently used method, the tools are relatively simple, mainly sandpaper, sanding rods, etc., such as water sandpaper.
You can use 600 or 800 water sandpaper, 1000, 1200 water sandpaper, 1500, and a bowl of water, a toothpaste, a clean glass cloth can be polished.
Water sandpaper is to add a little water when grinding. The bigger the number, the finer the sandpaper is. Use 800 to finish grinding with 1000. After the grinding, the parts will be dull. At this time, use the toothpaste to rub the parts on the cloth to restore the luster.
Pearlized treatment
The pearlizing treatment is a method in which the hand-held nozzle ejects the medium beads toward the polishing object at a high speed to achieve polishing. The advantage is that the pearl treatment is generally faster, and the processing is completed in about 5 to 10 minutes, and the surface of the product is smooth after the treatment.
This method is better than sanding and has different effects depending on the material. It also has disadvantages, one is expensive, and the other is because pearl treatment is usually carried out in a closed chamber.
Therefore, the object that it can handle is limited in size. The model that is usually processed is relatively small, and the whole process needs to hold the nozzle by hand, which is inefficient and cannot be applied in batches.
Retouch3D
Retouch3D is an electric heating tool from abroad. It is a bit like our common electric soldering iron. It has 5 interchangeable heads and is very simple to use.
Because the tool head is heated to high temperatures, the tool removes the support material like “cut butter,†and you can use it to slightly fix 3D printed surface defects.
PLA polishing solution
Polishing can also be achieved by using PLA polishing solution. After the polishing liquid is placed in the operation vessel, the model is hung with the model base with wire or rope, and the model is immersed for about 8 seconds. Due to the temperature and environmental influences of different regions, the polishing effect is adjusted according to the needs. It should not be soaked for too long.
Chemical polishing solutions are toxic and it is recommended that you use them with caution.
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