PCB Assembly

PCB Assembly is the process of physically assembling electronics into finished products. In the time it takes to finish an order, it takes several PCB Assembly steps to create a product. In this article, we provide an overview of the various PCB Assembly steps, and the roles each plays in assembly. We also provide tips on how to create PCB Assembly documentation.

what is pcb assembly?

PCB Assembly (PCBA) is the process of assembling electrical circuits into a printed circuit board. The finished product can either be used for electronic devices or as an integrated part in other PCB assemblies with different functions.

Our PCB Assembly Services

PCB assembly, the act of connecting electronic components to a printed circuit board using heat-resistant soldering material. Our PCB assembly services are available with fastest delivery time and we offer surface mount technology (SMT), through hole technology, and mixed technology.

Comprehensive PCB Assembly Solutions

PCB Assembly Testing & Certification Services
Based on the PCB assembly and testing laboratory, our services range from simple final test to full turnkey design/build of any product or project requiring high quality, cost effective manufacture by qualified industry professionals. We offer the most comprehensive fabrication capabilities with state-of-the art equipment providing precision manufacturing capability in a wide variety of materials including copper clad laminate FR4 thin film circuit boards for power supply modules up to 12" x 18", through hole laminates and plated thru holes on printed circuit board assemblies as well as complex multi layer circuits such as RFID tags.
SMT Assembly
For example, when designing an LED circuit board it would be helpful if certain components were designed using SMT technology rather than through hand-soldering. This will reduce errors while still meeting all electrical specifications such as power consumption or thermal dissipation ratings.
PCB Inspection Test
The inspection test system can be used to automate PCB assembly inspection and validation. They enable the engineer to design their automation system with no programming required, which saves time and money. These tools are easy-to-use software that can control an entire process chain--from simulation on a computer screen all the way through manufacturing of printed circuit boards (PCBs) - without any need for manual intervention or change in configuration from one run to another.
Customized PCBA Packaging Solutions
Using the latest packaging machines, our company can create a customized PCBA package to satisfy your exact needs, like bubble wrap and multi-color appearance package. In addtion, if it is necessary that all wires in your packages must be silver-plated and no wire shall exceed 26 inches in any direction then we will take care of this for you within 24 hours.

how to assemble pcb board?

Tools Checklist

pcb assembly

Step1: Component Placement

This step is the most straightforward. Here, we take the components and place them on the board. This step is the most straightforward. Here, we take the components and place them on the board. Dimensional Constraints : In this step, we must adhere to the board size and trace-width requirements. In this step, we must adhere to the board size and trace-width requirements. Final Assembly: At this point in the process, we have all of our components on the board and can begin soldering.


Step2: Circuit Board Soldering

One of the most important aspects of PCB Assembly is soldering. If you have ever tinned a PCB, you have experienced the “smell of soldering”. This is because solder conducts electricity and helps us build electronic circuits. We often call solder “the conductor”, because it helps us link components on a board together.Soldering is one of the most important PCB Assembly steps. This is because without it, we would not be able to create electronic circuits. Solder is used to join components together. This is achieved by melting the solder on one component and then placing the solder in a mass on a heated surface. The solder melts onto the components and creates a bond between them.Soldering is a delicate process. It is often the most expensive part of the manufacturing process, because a lot of time, effort, and money is spent on the equipment and method used.


Step3: LED Board Assembly

LEDs are the most common light source used in electronics. They can act as indicators, flashlights, or be used as part of an electronic device. LEDs can help us create products like street lights, traffic lights, bulbs, computers, and smartphones.LEDs have a long lifetime and consume little energy. They are also rugged and can be used in harsh environments. Noise is another advantage of LEDs. Most LEDs produce very little light, so they do not interfere with the signal from our PCB.


Step4: PCB Test

One of the most important aspects of PCB Assembly is testability. The PCB assembly process is heavily reliant on the extent to which we can test our product. In the final stages of our assembly process, we create a test board. The test board allows us to test our electronic components and verify that they are working correctly. For example, if we use a microcontroller, we can test if the microcontroller is correctly receiving the instructions from our computer. We can also use oscilloscopes and other tools to test our functionality.

Use Testable Components

The first tip is to use testable components. If a product requires a specific voltage, we should use components that can deliver this voltage. This will help us rule out problems with the components.

There are several ways to document your PCB Assembly process. The most important thing is to make sure that you document each step. You can utilize sequence diagrams, bill of materials, and other tools to create documentation. The sequence diagrams of your process should be linked to your bill of materials. This will allow you to trace back and see what components were used in each step of the process.

Another way to keep track of your PCB Assembly process is to use a checklist. Checklists are great for repetitive tasks. They are especially beneficial during assembly. The checklist can help you avoid human errors and save time.

The last tip is to follow the steps in your PCB Assembly process. It is important to keep track of the order in which you assemble your components. If you use a checklist, you will be able to see the sequence in which you complete each step. When you are finished with one step and move on to another, it is easy to lose track of where you are in the sequence.

How to calculate PCB Assembly Cost?

PCB assembly cost can be one of the most daunting aspects of choosing a new supplier. The cost of the PCB assembly, which is the cost of the PCBs and associated materials that go into making a finished circuit board, can vary significantly depending on the size and complexity of the order. In most cases, the final cost of each PCB assembly order can be calculated based on the number of boards and the associated material costs.

You may wonder how much a PCB assembly costs. Or you may simply want to calculate your cost of doing business with a particular PCB assembly vendor. Whatever the case may be, you’ve come to the right place! Read on for information on how to calculate the cost of a PCB assembly.


Step 1: Determine All the Costs

The first step in calculating the cost of a PCB assembly is to determine the actual costs involved in making the circuit boards for the assembly. These costs may include the cost of the boards, the cost of the material used to fabricate the boards, the cost of the labor to assemble the boards, the cost of the components and/or materials used to make the components, and the cost of the tools used to make the components and/or assemble the boards.

PCB Part

Step 2: Identify the Parts to Be Calculated

The next step is to identify the parts of the PCB assembly to be calculated. Remember: The cost of each board and its components can vary depending on the size and complexity of the board. The cost of a small PCB assembly may be significantly different than the cost of a large PCB assembly. However, the total cost of the PCB assembly will be the same regardless of the size of the order.

PCB Material

Step 3: Estimate the Quantity and Unit Cost of the Materials Used

The quantity of each material required to make the PCBs can vary greatly depending on the size and complexity of the boards. For example, the quantity of copper used in a small PCB is likely to be much less than the quantity of copper used in a large PCB. However, the cost of each type of material is likely to be similar for both small and large PCBs.

PCB Accounting

Step 4: Add All Unit Costs Together

The costs associated with purchasing and/or fabricating the boards can vary significantly, depending on the manufacturer, the quantity, and the type of boards being made. Unit costs can range from as little as $0.25 per foot for single-sided boards to $0.75 per foot for double-sided boards. As you can see from the table below, the average unit cost of a PCB assembly is around $0.45-$0.65 per foot.

PCB Assembly quality control

PCB Assembly Quality Control is a process that involves monitoring, testing and controlling the quality of PCB assembly. In this type of inspection; an operator will test components before they are soldered onto the printed circuit board (PCB) to ensure that there have been no errors in order for them to be usable as manufacturing parts. There are various tests performed during production including functional, electrical, mechanical and environmental tests on components such as resistors or transistors.

pcb aoi test

Inspecting the Assembly Process

It is important to inspect the assembly process from start to finish to make sure that all the steps are performed correctly. This includes verifying that the parts are properly marked and that the equipment is working properly.

How to order PCB assembly from Well Done?

lead form

Submit Requirement

Submit your requirement details of pcb assembly on the form, upload your files is available. And we'll reply to you within 24 hours.


Confirm PCB Project

Our expert will contact you for the project details, reply to you with a quotation, and confirm the order after recieving your payment.


Sample Prototype

The sample will be arranged to produce as you expect within 1 day, then we confirm with you the appearance and function.


Delivery Goods

At last, your sample w'll be finally shipped to you within 7-15 days. It'll depends the shipping way you choose.

Why choose Our PCB assembly services?