Is essential prior to the powder coating process. One of the keys to successful powder coating application is proper grounding.
The charged powder particles.
Powder coating process diagram. Aluminum components go through a chromate conversion coating. Light coverage areas faraday cage problems larger hook marks generally uneven powder application dirtier spray booth. Powder coating is a simple process requiring minimal skills and training.
Powder coating has many advantages over traditional liquid coating. Powder coating is an advanced method of applying a decorative and protective finish to a wide range of materials and products that are used by both industries and consumers. A weak ground can cause a host of issues.
A good ground acts like glue to the powder being sprayed on the part making it easy to get a uniform high quality finish with high transfer efficiency. Powder coating is a multi step process. Removal of oil soil lubrication greases metal oxides welding scales etc.
Each step ensures the powder adheres to and transforms the surface of the part. More and more companies specify powder coatings for a high quality durable finish allowing for. Powder coating is a dry finishing process that has become extremely popular since its introduction in north america over in the 1960s.
All powder coating processes use roughly the same steps but automated powder coating lines increase productivity for high volumes projects and can handle more parts at one time. Representing over 15 of the total industrial finishing market powder is used on a wide array of products. Part preparation or the pre treatment.
Mild steel components need to go through a phosphate conversion coating. It can be done by a variety of chemical and. Part preparation processes and equipment.
Manufacturing quality control complete guide to powder coatings 2 issue 1 november 1999 this section describes the manufacturing and quality control process for powder coating materials. The powder coating process involves three basic steps. It s better for the environment applies thicker without running and is easy to style with.
Powder coating is a process of coating metal with a plastic finish applied in powder form and baked to a fluid state to bond it to the metal surface. The state of the art technology used for producing industrial powder coatings consists of several distinct stages namely. The articles to be coated are first cleaned of all foreign matter from the surface.
The powder used for the process is a mixture of finely ground particles of pigment and resin which is sprayed onto a surface to be coated.