Passive electrical Components

Process of PCB Assembly

PCB assembly services today are a very important part of the electronics sector, mainly because of the efficiency and utility they offer. PCB or printed circuit board is an electronic device which is used to connect electrical elements into machinery and appliances. A mechanical assembly services expert creates a PCB assembly using conductive channels carved from copper sheets that are laminated onto non-conductive substrate. PCB’s can be found in most of the electrical devices like computers, games consoles, i-Pods, TVs etc. For large scale PCB Assembly jobs, electronic manufacturers often hire professional assemblers.

Hiring a professional mechanical assembly services provider for PCB assembly is more profitable for electronic companies as the production as well as the process of assembling is very expensive and takes a lot of time. Moreover, companies do not have to hire full time assembly experts for these jobs which help them in cost cutting. PCB Assembly Services providers sell readymade or assembled PCBs to electronic companies at a large scale as these pre assembled pieces are cheaper and save a lot of time and effort on the part of these companies. These assemblers have the complete mechanized gear and machines that are needed to create, assemble and produce PCBs at a faster rate.

Steps in PCB Assembly

PCB assembly is a sequential process that comprises the tasks of construction, testing and coating. PCB’s are broadly constructed in two ways namely:

1. Through-hole construction

2. Surface mount construction

Through-hole construction is done by creating holes for part lead insertion while surface mount construction consume pads for the entire step. However, both the construction strategies commonly depend upon the molten metal solders to fix the parts mechanically as well as electrically. Testing follows once the creative phase is finished. It is the most crucial part of the PCB assembly service and involves analog signature analysis, automated optical inspection, and power-off testing and visual inspection. Once the assembly and testing process is finally over, the PCB is ready for the conformal coating procedure. Coating technique helps in protecting the PCB from leakage or corrosion which in turn avoids any interference with the proper functioning of current in the printed circuit board. Coating also eliminates the chances of condensation shortages which in turn gives better work results. Mechanical assembly service providers use a variety of materials in the assembling process of PCB. Some of the most commonly used materials are epoxy, acrylic, silicone, waxes and polyurethane.

While looking for a Mechanical assemble service provider, a few important things should always be considered as important. Hiring an assembler from a reputed manufacturing group like Dennis Ferranti is always an intelligent option. Moreover, the assembler must follow the service standards set by IPC organization. They should also comply with the industry norms set by experts. They must always work in accordance with the specifications about material, weight, board size and labeling fixed by experts, so that they manufacture and deliver products of high quality at the most appropriate price range.

About the Author

Denis Ferranti Group offers precision engineering , cnc precision engineering , gear design software and lots more. For more information about electronic manufacturing please visit at: – www.dferrantigroup.com