Three-dimensional printing technology, also popularly known as 3D printing, is rapidly becoming the go-to manufacturing method for a wide range of industries. However, 3D printed parts are perceived to have some shortcomings including rough surfaces, lack of water resistance.
Vapor treating, also known as vapor smoothing, is one of the best techniques for finishing 3D printed parts to get a smooth surface. Most 3D prints have layer lines that make the surface rough and uneven. These lines give a generalized and perceived low-quality look. For critical applications, we need surfaces that lack the rough lines and evenness, which is where the technique of vapor treating comes into play.
Vapor treating is a finishing technique that smoothens the 3D printed surface with chemical vapor, which melts the surface and makes it smooth. The process of vapor treating is pretty standard across most 3D printers, but the systems vary depending on the manufacturer.
First, to get started on vapor treating, you must have a suitable location. Vapor treating needs an airy and well-ventilated space to prevent any hazardous or dangerous inhalation of acetone vapors. You must also have proper personal protective equipment such as gloves, respirators, and goggles. This is a process best left to experienced professionals.
In simple terms a small amount of the solvent is placed into a container that can fit the 3D printed part without touching the surface. The container is placed at the bottom of a larger airtight container with the 3D part hanging or resting above the liquid. The whole thing is covered and sealed, then left for 15 to 30 minutes. During this process, the solvent vaporizes and saturates the air in the sealed container. The vapor then condenses onto the surface of the 3D printed part, melting the surface and giving it a smooth finish.
After 15 to 30 minutes, we can remove the 3D printed part from the warmer container and let it dry up in a well-ventilated area. If you want a smoother finish or the lines are still visible, we can repeat the process. This process must be done in a well-ventilated area or outdoors, as inhaling the solvents can be harmful to the human body.
Vapor treating is not only useful in smoothing 3D printed parts but is also ideal for waterproofing. The solvent, when reacting with the plastic melts, also forms a barrier that is impermeable to water, giving the parts a water-resistant or waterproof finish. With a smooth, waterproof finish, 3D printed parts can withstand all kinds of weather elements, depending on the type of plastic used in the 3D printing process.
In conclusion, Vapor treating, also known as vapor smoothing, is a simple and cost-effective way of finishing 3D printed parts to a smooth surface and waterproof finish. This provides a finished product that is aesthetically satisfying and durable. It is also an excellent way to protect the parts from the weather elements and other potential harmful agents that could compromise their quality, performance, and efficiency.
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