Просмотр

What's Powder Coating Equipment?

It is just a type of coating equipment that can help in applying powder. Powder coating equipment doesn't involve solvents in the processes. The coating is conducted electrostatically and is also then passed under heat, allowing the powder circulate and form a "skin". It may be a thermoset polymer or even a thermoplastic. Generally, it really is accustomed to provide a hard finish which can be harder than the conventional point that has been formerly used. The principle function of employing this tools are for coating metals, like bicycle parts, household appliances, pool enclosures and others.

Advantages

Few attributes of powder coating are mentioned below:

- Emission Of Chemical toxins Are Reduced By Coating The Metals 
- It Produces Much Thicker Coating In comparison with Traditional Liquid Coating 
- It Can Be Recycled, Facilitating 100% Reusability Of The Substance 
- Produces Better Waste As compared with Traditional Usage of Liquid 
- Lesser Operating Cost Than Liquid Lines

Means of Powder Coating

The Powder Coating Equipment work in following basic processes:

- Part Preparation Or Pre-Treatment 
- The Powder Application 
- Curing

Processes And Equipment Of Part Preparation

Prior to powder coating process eliminating lubrication grease, metal oxides, mud, oil etc are essential. There are several chemical along with mechanical types of removing these substances in the metal surface. The strategy depends upon the performance dependence on the end product. In spray application process, chemical pre-treatments involve the usage of chromates and phosphates. Phosphating and chromating with the substrate exist in multiple stage. Bonding in the powder towards the metal involves cleaning from the pre-treatment process. Sand Blasting is surely an another way of preparing the surface just before coating. It can be employed to provide finishing, etching, surface texturing and preparation and degreasing for products manufactured from wood, glass, or plastic. Different powder coating applications can require alternative methods of preparation for example abrasive blasting just before coating. The online consumer market typically offers media blasting services in conjunction with their coating services at additional costs.

Commonly electrostatic gun or corona gun is used for applying the powder coating to metal objects. Here, lets discuss the working of electrostatic gun. Negative electric charge is imparted for the powder. The negatively charged powder might be sprayed for the grounded object by mechanical or compressed air spraying equipment. It is then accelerated towards the workpiece from the powerful electrostatic charge. The article will then be heated, and the powder melts right into a uniform film, which is then cooled to create a hard coating. To achieve more uniform finish preheating might help but problems can even be created as runs due to excess powder.

Tribo gun may be the second kind of gun utilized to spray powder on metal surfaces. The powder is first charged by triboelectric friction and these charged powder particles then stick to the grounded substrate. It takes some other formulation of powder with respect to corona guns.

Fluidized bed method may also be used for Powder coating. At first the substrate is heated and then it is dipped into aerated powder-filled bed. Later the powder sticks and melts on the hot object. Most dishwasher racks are coated using this type of technique of [http://people.tribe.net/c98a6bab-1faf-4483-97a7-4b34392f5ae6/blog/5111df34-86ce-432f-9a64-95d0ca0087ef powder coating equipment].