Powder sprayer: how a gun works and what types of?

Painters and finishers need powder sprayers more than anything else. They provide a seamless and effective method of applying coatings, guaranteeing uniform coverage and a polished appearance. Gaining an understanding of these devices’ operation can be very beneficial, regardless of whether you’re working on a do-it-yourself project or managing a large-scale industrial job.

The gun, which atomizes the paint and sprays it onto the surface, is the main component of a powder sprayer. This method entails pulverizing the powder into a fine mist, which covers the intended area uniformly. Powder sprayers come in different varieties and are intended for a range of uses, from straightforward DIY projects to intricate industrial operations.

Understanding the different kinds of powder sprayers on the market will help you select the best instrument for the job. Tribo, corona, and electrostatic guns are a few popular varieties; each has special qualities and advantages. You can give your project the best possible finish by choosing the right sprayer.

What is the essence of powder staining?

Typically, powder paint is sprayed onto a spotless metal surface. Friction causes the material’s particles to electricalize, or pick up an extra charge from an outside source. This process involves the spraying of powder paint.

The dye itself is connected to the metal, which has the opposite charge, in part because of the electrostatic particle field. Sales that haven’t settled on the surface are gathered inside the electrostatic equipment and painting spray chamber. With a spray gun, they can be used to apply stains repeatedly.

Once the preceding phases of the process are completed, painted components are inserted into a dedicated polymerization chamber.

Powder paints create a surface layer and give the impression of a high-quality monolithic structure. The primary material is further protected by this structure. When the painted layer is heated until it starts to melt, the coating is created. Hardening is facilitated by further refining. On the other hand, materials that exhibit thermal plasticity at this point cool.

Processing causes a unique film to form on the surface, which becomes a robust and smooth polymer coating. This indicates that painting the powder was feasible.

The principle of operation and the necessary equipment

Regardless of its size, the powder gun is used in accordance with the following scheme:

1. Particles of coloring material endowed with a charge are placed inside the spray gun.
2. A cluster of charged particles of colored powder is created near the processed surface.
3. The painted product is grounded and the dye particles are pulled to it.

The following elements are also included in the complete plan of the spray gun work cycle:

• Cameras where the details are loaded. Those who use tribostatic equipment are also familiar with this detail.
• Rotary devices that are needed when hanging products.
• The camera where the pomp"s process will occur.
• Cyclone, inside which particles of material for paintwork are formed and receive charges.
• Filtering layer.
• Renthole camera.
• Giving lines for details. Usually move at low speed.
• The camera where the paintwork is polymerized.
• Fan.
• Control system operating in automatic mode. It is needed to control all processes. The data is recorded in detail, so that it is easier to analyze later.
• Light equipment that opens the review outside.
• Compressed air compartment, after which the emission of powder paint is provoked.
• And of course the pistol itself for powder staining.

Automated powder coloring method in the video.

The powder mixture’s spray gun is made up of several components:

1. Air duct, without which powder painting is impossible.
2. The channel of the mixture.
3. Grounding line.
4. Surfaces that provide the charge of the powder composition particles.
5. Powder-air mixture.
6. Nozzle that gives the dye outward.

Types of pistols for powder painting

There are two methods for staining powder: immersing the material and spraying the dye. The first option is only used in production settings for painting large-sized objects (corrugated board, metal frames, and structures) due to its extremely complex technological process.

Painting at home can be done with the spraying method, which uses a pistol to apply paint. Handguns can be classified into multiple types based on the principles governing their operation.

Electrostatic

You can process surfaces with an electrostatic paint pistol, no matter what shape they have. helps explain the appearance of super-toned coatings, which typically have a thickness of only 30 to 250 microns. When it comes to maintenance, this is a cost-effective choice that won’t be too taxing. As a result, this type of gun leads the contemporary market. There won’t be much time, even if the paint needs to be changed.

There’s no need to heat the surface before using these tools. One of the most significant disadvantages is that not everyone can apply such powder coloring due to its high cost.

Tribostatic

The lack of a particle generator in the traditional sense of the word characterizes the tribostatic gun. The charge is formed as a result of the paint and varnish material particles rubbing against one another. The primary challenge faced by owners of tribostatic type devices during staining is the intricacy of recruiting a sufficient amount of paint charge. It is necessary to apply a transparent correction to the primer.

Tribostatic equipment’s ability to function at a certain humidity level has a significant impact on charging quality. When working on any kind of surface, the charge itself diminishes and the powder is overrun too quickly.

Fluidized

The purpose of this type of sprayer is to apply paint in multiple layers. It is therefore simple to acquire enough thickness. Usually, it is 250 microns or less. Technology has made it simpler for the master to use the sprayer to keep an eye on the remaining spraying thickness at any given moment.

In this instance, there are no extra costs associated with the preparatory work, coating operation, or sprayer use. Yet there are drawbacks to this choice as well, including:

• the requirement for the presence of a simple shape at the processed surface on which the process of spraying the powder is organized;
• The need in any case to pre -warm the part with your own hands, and then dry it;
• increased paint consumption during surface treatment;
• Such a technology also requires the use of metal, which is resistant to high temperatures.

The best sprayer for powder painting at home is shown in the video.

Anyone working on painting or coating projects needs to be aware of the various types of powder sprayers and how they operate. These instruments apply powder coating to surfaces with compressed air, guaranteeing a uniform and smooth surface. An electrostatic charge serves as the fundamental mechanism, assisting the powder in adhering to the surface in preparation for baking it into a hard coating.

Powder sprayers come in a variety of forms, each intended for a particular use. Large-scale industrial jobs are best suited for automatic sprayers, while small projects and touch-ups work well with manual sprayers. The effectiveness and caliber of your work can be greatly improved by selecting the type that best meets your needs.

In comparison to conventional painting techniques, using a powder sprayer can save time and materials. These tools are widely used in a variety of industries, including home appliances and the automotive industry, due to their accuracy and efficiency. Whether you’re a do-it-yourself enthusiast or a professional, getting the correct sprayer will enable you to accomplish professional-quality results with less work.

An essential tool for evenly applying powder coatings to surfaces and providing a high-quality, long-lasting finish is a powder sprayer, also known as a spray gun. Selecting the best one for your project can be made easier if you are aware of how it operates and the various types that are available. Basically, the paint powder is sprayed onto the surface by compressed air, and an electrostatic charge causes the powder to stick to the surface. There are several varieties, such as manual and automatic sprayers, and each is appropriate for a range of tasks and job sizes.

Video on the topic

Spray Powder Start – 60. We understand the features of the gun for powder painting.

Powder Pistol Start 50/ Start 60/ Start Tribo/ Start Combi

Which gun to choose electrostatic or tribostatic ? Crown or tribo ?