Articles

How Does The PCB Assembly Process Works

by Amit Shir Marketer
Are you wondering how the PCB assembly process works? You will find an in-depth discussion on the subject in this write-up. So, continue reading to learn more about it.
 
Electronic gadgets are an integral part of your daily life. Whether it’s a smartphone or your vehicle, almost everything out there has electronic components, and at the heart of every device is a PCB or a printed circuit board. Most folks recognize them as soon as they see one. They are the small, green-colored chips covered with lines and parts constructed using copper. You’ll find them rooted deep inside electronic devices. Now, you’re wondering how the assembly process works. Here’s a step-by-step breakdown of the procedure.
 
  • Applying solder paste: The first step of a PCB board assembly project incorporates applying solder paste. PCB board assembly manufacturers have to do it before they can even consider adding various components. If you’re going to build one without professional support, make sure you apply the paste wherever you’re going to solder, and you’ll need a solder screen to do the task.
 
  • Placing the components: After applying the solder paste, the next step of the PCB board assembly includes placing all the components in the appropriate locations. Instead of doing it manually, you should resort to Surface Mount Technology or SMT. You can probably realize why most people hire professionals to do it. After all, they have the pick-and-place machine needed for this step, which you may not have.
 
  • Reflow oven: The third step is where the connection takes place. Once you place the components, you have to put the PCB on a reflow oven conveyor belt. While passing through the oven, the solder paste you applied earlier will melt. As a result, every component gets stuck to the board permanently.
 
  • Wave soldering: The fourth step incorporates placing the item on a mechanical conveyor-driven system, which passes it through multiple zones. Manufacturers pass it through a molten solder wave, which connects the pads or holes, electronic component leads, and the solder itself. This step completes the entire electrical connection.
 
  • Cleaning: No matter how insignificant it sounds, cleaning the PCB is mandatory. If you’re going to do it by yourself, you must clean the board thoroughly after assembly. The best manufacturing companies never skip this step. By cleaning it, you will get rid of flux residues. Just make sure you use ionized water for the task.
 
  • Inspection: Inspecting the printed circuit board thoroughly is as crucial as cleaning it. It’s also another reason to work with professional manufacturers and manufacturing companies because you’ll need X-Ray machines and AOI to gauge the quality of the product. Through this step, you will check the item for short circuits, loose solder balls, and the presence of bridges between solder balls
 
  • Testing and monitoring: The final step of the entire production procedure incorporates testing and monitoring the results. You have to see whether the printed circuit board delivers the results you seek or not. It’s imperative to employ multiple methods to do it. Otherwise, finding every existing flaw won’t be possible. Also, analyzing every failure after determining them is equally important.
 
Wrapping it up
 
There you have it – a step-by-step guide to the production process. These are the methods employed by the most renowned and reputable manufacturers. If you want your product to work, you have to employ the best and most experienced resources. Understandably, hiring professional assembly services is advisable. You can outsource the task at a relatively pocket-friendly price. If you search the web, you’ll find numerous companies offering their services. You must select an agency that matches your needs and wants.


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About Amit Shir Junior   Marketer

2 connections, 0 recommendations, 19 honor points.
Joined APSense since, September 18th, 2019, From Luxor, Egypt.

Created on Feb 11th 2021 05:11. Viewed 277 times.

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