Powder coating with a spray gun is a method that helps reduce the risks associated with traditional spraying, such as overcoating or irregular coatings. Although electrostatic painting requires investing in a few tools, it is a simple process that pays off. Usually an electrostatic spraying unit integrates items such as a deflector, air hoses, nozzle, ground wire and a spray gun with a round tip for spraying irregularly shaped objects and a flat tip for applying to flat or large objects. Other supplies a professional needs are paint mixing buckets, masking tapes to isolate paint areas and cloths to protect surfaces.
Any professional in the painting industry knows that it is important to have specialized equipment and take safety precautions. For example, it is essential to turn off heaters, work in ventilated areas, use eye and ear protection, wear clothing that avoids contact with skin, and under no circumstances should the gun be pointed at anyone as it is under high pressure. The deflector, which is an important material in this regard, also requires special attention. Let's examine what you need to know about the choice of deflector in powder coating applications.
Nozzles and spray systems are much more than simple details in industrial activities. Professionals involved in any operation using them will be able to verify that proper selection and constant maintenance guarantee productivity, water, energy and input savings, worker safety and the quality of the final product.
Using the right tool for the job is no exception when it comes to powder coating. It is difficult to properly paint a part with the wrong control devices. Therefore, it is important to use the most appropriate powder gun tips to control and direct the flow of powder as it exits the tip of the gun.
The deflector is a spare part made of derlin or teflon material with a diameter of various sizes, which makes it possible to open the powder paint coming out of the electrostatic paint gun in front of it in a round and fan shape.
The deflector directs the powder flow into a round mold. This creates a larger powder pattern than a gun without a deflector and therefore increases the area covered by the paint. The deflector also reduces the powder velocity, which increases the electrostatic charge of the powder coating. Effects of deflector diameter on the application:
Taking the time to examine your application methods and investing in pattern control devices will pay off with improved coating efficiency and product quality, saving you time and money. In this context, the deflector stands out as one of the tools that must be used in electrostatic paint applications.
There are many different things to consider when choosing the right deflector size for each job. To get the most out of your spray gun, you need to make sure your deflector size is correct. Using the wrong size will have a big impact on your processes and your paint will likely clump or come out unevenly. First, inspect the item to be painted. Primers are usually thicker than the paint that comes with it, so you should use a small diameter deflector to spray paint over most of the surface to be painted. Second, consider the surface area of your project. This determines the appropriate fan width your sprayer will produce, i.e. the way the product exits the gun nozzle. Airless spray guns have more control over fan width than traditional spray guns because the coating is forced to pass through the tip without being atomized by the air. This allows the tip to have a large influence on the width and shape of the fan. You should therefore make sure that you choose the correct deflector size.
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