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Vacuum Metalizing Steps

This is the process by which metals are evaporated inside a vacuum chamber which later bonds to produce a uniform metalized layer. Vacuum metalizing boasts of a number of functions. They include metallic finishes, shielding and decorative chrome. Thermal evaporation or Physical Vapor Deposition is the process that is used to apply metals under a vacuum. Below are stages of vacuum metalizing process.

The Tooling Stage

The first process is the fabrication of tooling fixtures that hold and mask the various parts during the vacuuming and painting process. During this stage, tooling fixtures are supposed to offer proper efficiency in the number of components which will result to the best possible piece price.

Loading Process

The Next step is scrutinizing tooling fixtures and then releasing them to be manufactured. In this process, the client is the boss because anything being done ought to be according to their own preference. They give instructions which are followed to the latter during the processing of those parts. Having gloves on is advisable when loading the parts so that there are no contaminants transferred to the parts. After inspection of the parts is done to ensure that there are no visible defects, loading can now take place onto the tooling fixtures.

Basecoating Process

Basecoating is a very crucial process because it ensures that the end product is of high quality. It promotes adhesion and as a result provides smooth surface. This a measure that is only used for reflective finishes . Six-axis robotic paint cells and automatic reciprocating paint cells are examples of the methods that are used to perform the process of coating.

Vacuum Metalizing Procedure

This process involves the tooling fixtures being set into Carousels which are pushed into the vacuum space. What follows next is current being sent to the source of evaporation. The origin is generally a tungsten filament that’s loaded with aluminum. The filament is then heated to a stage that the alloy evaporates and then creates a cloud of vapor which bonds with the components. After the process of metalizing is done with, the room is taken back to the air.

Topcoating Process

The advantages of a topcoat are that it enhances moisture, chemical resistance and abrasion. There are unique topcoats that apply to different software. The topcoats that lead to the gold, metallic matte finishes and bronze result are dyed and sour topcoats. For effective results, work is done in a clean environment and organized fashion.

The Inspection Stage

Inspection is the final stage whereby the parts are checked if they are properly done according to the instructions made by the customer. There’s a database which tracks if there were errors during the process and finally tracking tags are set up for tractability purposes.