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Precisely what is Powder Coating Equipment?

It is just a kind of coating equipment that assists in applying powder. Powder coating equipment does not involve solvents in the processes. The coating is carried out electrostatically and it is then passed under heat, allowing the powder to circulate and form a "skin". It could be a thermoset polymer or perhaps a thermoplastic. Generally, it is utilized to give a hard finish that's harder than the conventional point that was formerly used. The principle intent behind using this devices are for coating metals, like bicycle parts, household appliances, aluminium planks and others.

Advantages

Few features of powder coating are mentioned below:

- Emission Of Volatile Organic Compounds Are Reduced By Coating The Metals 
- It makes Much Thicker Coating As Compared To Traditional Liquid Coating 
- It is usually Recycled, Facilitating 100% Reusability In the Substance 
- Produces Better Waste In comparison with Traditional Use Of Liquid 
- Lesser Operating Cost Than Liquid Lines

Technique of Powder Coating

The Powder Coating Equipment work in following basic processes:

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

Processes And Equipment Of Part Preparation

Ahead of the powder coating process eliminating lubrication grease, metal oxides, mud, oil etc are necessary. There are many chemical along with mechanical types of removing these substances in the metal surface. The process is determined by the performance dependence on the finished product. In spray application process, chemical pre-treatments involve the use of chromates and phosphates. Phosphating and chromating from the substrate occur in multiple stage. Bonding with the powder to the metal involves cleaning in the pre-treatment process. Sand Blasting is an another method of preparing the top before coating. It's 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 like abrasive blasting before coating. The internet consumer market typically offers media blasting services in conjunction with their coating services at additional costs.

Commonly electrostatic gun or corona gun is employed for utilizing the powder coating to metal objects. Here, lets discuss the functional of electrostatic gun. Negative electric charge is imparted to the powder. The negatively charged powder will be sprayed towards grounded object by mechanical or compressed air spraying equipment. Then it is accelerated towards workpiece by the powerful electrostatic charge. The item is then heated, and the powder melts in to a uniform film, and is then cooled to form a hard coating. To realize more uniform finish preheating can help you but problems may also be created as runs due to excess powder.

Tribo gun is the second kind of gun which is used to spray powder on metal surfaces. The powder is first charged by triboelectric friction which charged powder particles then stick to the grounded substrate. It needs another formulation of powder with regards to corona guns.

Fluidized bed method could also be used for Powder coating. In the beginning the substrate is heated and then it can be dipped into aerated powder-filled bed. Later the powder sticks and melts for the hot object. Most dishwasher racks are coated using this technique of [http://www.migente.com/your_page/blog/view_posting.html?pid=5377910&profile_id=8536291&profile_name=clementjsfs&user_id=8536291&username=clementjsfs powder coat guns].