What should I pay attention to in spraying, and what is spraying? What are the benefits?

1. Pretreatment: Purpose: To remove the oil, dust and rust on the surface of the workpiece, and to generate a layer of anti-corrosion and a "phosphating layer" on the surface of the workpiece that can increase the adhesion of the spraying coating.

The main process steps: degreasing, rust removal, phosphating, passivation. After pretreatment, the surface of the workpiece is not only free of oil, rust and dust, but also a uniform and rough gray phosphating film that is not easy to rust is generated on the original silver-white shiny surface, which can not only prevent rust but also increase the adhesion of the spray layer.

2. Electrostatic spraying Purpose: Spray the powder coating evenly on the surface of the workpiece, and special workpieces (including locations that are prone to electrostatic shielding) should be sprayed with a high-performance electrostatic spraying machine. Process Steps:

Using the principle of electrostatic adsorption, a layer of powder coating is evenly sprayed on the surface of the workpiece; The falling powder passes through the **system** and can be reused after sifting. 3. High temperature curing Purpose: Heat the powder coating on the surface of the workpiece to the specified temperature and keep it warm for the corresponding time, so that it can melt, level and solidify, so as to get the surface effect of the workpiece we want.

Process steps: Push the sprayed workpiece into the curing oven, heat it to a predetermined temperature (generally 185 degrees), and keep it warm for the corresponding time (15 minutes); Open the furnace and take it out to cool to get the finished product. Hint:

Heating and control system (including electric heating, oil, gas, coal and other heating methods) + incubator = curing oven. 4. Decoration treatment: Purpose:

The workpiece after electrostatic spraying can achieve a special appearance effect, such as: various wood grains, patterns, brightening, etc. Process Steps:

overshadowing; Transfer printing and other processing processes.

Spraying is a surface treatment method in which plastic powder is applied to parts. Its treatment process is a more common metal surface treatment decoration technology in the world since the 80s of the 20th century. Compared with ordinary paint surface treatment, the advantages of this technology are reflected in advanced technology, energy saving and high efficiency, safety and reliability, and bright color.

It is widely used in light industry, home decoration and other fields.

The principle is to use the corona discharge phenomenon to adsorb the powder coating on the workpiece. The process is as follows: the powder coating is fed into the spray gun by the powder supply system by compressed air gas, and the high pressure generated by a high-voltage electrostatic generator is added at the front end of the spray gun.

The principle of spraying:

The powder coating is sprayed on the surface of the workpiece with electrostatic powder spraying equipment (electrostatic spraying machine), and under the action of electrostatic electricity, the powder will be evenly adsorbed on the surface of the workpiece to form a powder coating, and the powder coating is leveled and cured by high temperature baking, and the final coating has different effects (different kinds of effects of powder coating).

The use of electrostatic spraying technology instead of paint treatment decorative woodworking machinery surface has many unique advantages, first of all, plastic powder using clean compressed air as a dispersion medium, no need to use thinner, will not produce harmful gases and sewage, plastic powder utilization is more than 98%, scattered plastic powder can also be used.

Compared with painting, spraying is more complicated, it is a process that sprays paint powder directly on the product through equipment, so as to play a protective and decorative role, spraying is also commonly known as electrostatic powder spraying. Spraying is a widely used metal surface treatment technology, which is widely used in hardware, home decoration and building materials.

Spraying can directly use paint powder, which does not need to be diluted with liquids, and is less harmful to the environment and the human body. The quality of the coating after using this electrostatic spraying is very good, and the adhesion is also strong; The technical requirements for workers are also relatively low, the curing time is short, and there will be no liquid sagging. However, spraying also has the disadvantages that the surface is not easy to repair and the cost is high.

Spraying is a surface treatment method in which plastic powder is applied to parts.

Benefits: 1. No thinner material is required, and the construction is non-polluting to the environment and non-toxic to the human body;

2. The appearance quality of the coating is excellent, and the adhesion and mechanical strength are strong;

3. The curing time of spraying construction is short;

4. The corrosion and wear resistance of the coating is much higher;

5. No primer is required;

6. The construction is simple and the technical requirements for workers are low;

7. The cost is lower than that of the painting process with the same effect;

8. Some applications have clearly proposed that electrostatic spraying process must be used;

9. There will be no common flow phenomenon in the painting process during electrostatic powder spraying.

Process principle: It is to use the corona discharge phenomenon to make the powder coating adsorbed on the workpiece.

The process is as follows: the powder coating is sent to the spray gun by the powder supply system by compressed air gas, the high voltage generated by the high-voltage electrostatic generator is added at the front end of the spray gun, due to the corona discharge, a dense charge is generated near it, when the powder is sprayed out by the nozzle, the charged coating particles are formed, it is subjected to the action of electrostatic force, is sucked to the workpiece opposite to its polarity, with the increase of powder sprayed, the more charge accumulates, when it reaches a certain thickness, it does not continue to adsorb due to the electrostatic repulsion effect, So that the whole workpiece can obtain a certain thickness of powder coating, and then the powder is melted, leveled and solidified by heating, that is, a hard coating film is formed on the surface of the workpiece.

The emergence of spray plastic is an alternative to spray paint.

1. In terms of quality, the spraying should be high, especially the outdoor, the wear-resistant and corrosion-resistant of spraying is better than that of paint.

2. The paint can not be drained, and it is polluted when it is discharged. At present, there are physical methods that can replace acid and alkali in the pre-treatment of spraying, and the processing process is clean.

3,**, under the same grade, spraying is cheap, and the powder can be reused.

Spraying: The method of electrostatic adsorption is used to make the powder coating adsorbed on the metal surface after being cured at high temperature, and the protective film formed on the surface is called spraying.

If the protection measures are not good, the dust will enter the lungs through the respiratory tract, and after a long period of accumulation, it will get pulmonary disease! Be sure to take precautions, wear a safety mask, and pay attention to ventilation!

Nowadays, many manufacturers pay attention to environmental protection, choose environmentally friendly automatic spraying equipment, avoid dust overflow, and employees basically work in a dust-free state.

Summary. Dear, for you to inquire: the advantages of spraying:

The quality of the coating after using this electrostatic spraying is very good, and the adhesion is also strong; The technical requirements for workers are also relatively low, the curing time is short, there will be no liquid sagging and many other advantages, no thinner material is required, the construction has no pollution to the environment, and there is no harm to the human body; The coating has excellent appearance quality, strong adhesion and mechanical strength. The wear-resistant and corrosion-resistant aspects of the product are better, the paint film is thicker, and it is suitable for coarse products such as cabinets and equipment, and the plastic powder can also be used. Cons:

Spraying also has a surface that is not easy to repair, and the cost is high.

Didn't you? I can't find how to make my money.

Dear, I will find out for you: the advantages of spraying: the coating quality after using this electrostatic spraying is very good, and the adhesion is also strong; The technical requirements for workers are also relatively low, the curing time is short, there will be no liquid sagging and many other advantages, no thinner material is required, the construction has no pollution to the environment, and there is no harm to the human body; The coating has excellent appearance quality, strong adhesion and mechanical strength.

The wear-resistant and corrosion-resistant aspects of the product are better, the paint film is thicker, and it is suitable for coarse products such as cabinets and equipment, and the plastic powder can also be used. Disadvantages: Spraying also has a surface that is not easy to repair, and the cost is high.

Summary. Pro, the difference between spraying and powdering: spraying paint and powdering are two completely different coating methods, spraying paint is to disperse the liquid paint (commonly known as paint) into paint mist particles with the help of compressed air to adhere to the surface of the coated object, and powder spraying is with the help of compressed air arch powder under the action of high-voltage electrostatic electricity dispersed into powder mist particles adsorbed on the surface of the coated object through the electric field.

The difference between spraying and powdering: painting and powder spraying are two completely different coating methods, spraying paint is to disperse the liquid paint (commonly known as paint) into paint mist particles with the help of compressed air and adhere to the surface of the coated object, while the source of the powder spraying is to disperse the powder into powder mist particles under the action of high-voltage electrostatic electricity with the help of compressed air, and adsorb on the surface of the coated object through the electric field of the collapsed mountain.

The correct way to spray powder is electrostatic powder spraying, which can not be done simply with a paint gun. The electrostatic powder coating equipment is composed of a powder barrel with a round (powder supply with compressed air), a high-voltage electrostatic generator, and an electrostatic powder gun.

Spray coating (also known as spray porcelain coating, multi-layer pattern coating, relief mold round coating, gorgeous spray brick, Boang spray brick) is an aggregate construction code construction coating with organic polymer or organic material and the composite of inorganic materials such as silica sol as the main film-forming substance.

Spraying is the melting of plastic in a professional machine and then spraying onto the item to be processed. The advantage is that the appearance is beautiful, wear-resistant and practical.

Electrostatic powder coating line equipment.

It is a personalized non-standard customized product, which is mainly determined according ......to the customer's spraying output, the actual area of the plant, and the type of spraying workpieceUsually electrostatic spraying equipment** ranges from hundreds of thousands to millions!

Then electrostatic spraying production line**.

What factors determine this:

1. The maximum size of the workpiece: determine the cross-sectional area size of the powder room and the drying channel.

2. The weight of the workpiece: determine the selection of the chain, light kg; Heavy Kilograms.

3. Spraying output: determines the length of the spraying line.

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