HASL Lead Free Aluminum LED Lighting PCBA Assembly

Printed Circuit Board Pcb Fabrication Aluminum Led PCBA Assembly

PCB Assembly Process: Stages of Printed Circuit Board PCBA: 

Once you have all the components, it’s time to build your circuit board. Each step is dependent upon the previous one. Each step is necessary to build a board that works, and they should not be done out of order. Here are the steps for the PCB assembly process:

Solder Paste

The first stage is called solder paste because that is what needs to be applied to the board where you will be soldering. The solder paste includes some solder grains combined with flux. You place a solder screen on the board, then put some solder paste through the holes directly onto the board.

Pick and Place

After you’ve placed the solder paste on the board, you then use a machine to pick components and place them in the correct spot on the board. The pieces stay in place due to the solder paste. Some machines will hold the components in place with a dab of glue, which is recommended for wave soldering. If you do not have a machine to do this for you, you can do it by hand. Components need to be precisely placed, as the small routes between determine the way that each electronic device works.

Soldering

After the components are correctly placed, soldering comes next. This can be done by hand or with a wave soldering machine.

Inspection

After soldering, circuit boards need to be inspected. If the board is complicated, then an automatic optical inspection needs to be done. On a simple board, you can do the inspection looking for misplaced components or other problems.

Test

Circuit boards need to be tested. There are several ways to do this. Machines can do it, and there are manual ways to test the boards, too.

Feedback

If you are assembling a PCB with a machine, failures need to be quickly detected and repaired, ideally at the inspection stage. If you are doing this on your own and your board does not work, you might have to start on a new one and make necessary changes to avoid failures.

The Printed Circuit Board Pcb Assembly Process: An Overview

•  Solder Paste: If you’re following a traditional PCB assembly process, the first step is the application of solder paste. Note that this is 

•  Component Placement: In the traditional PCB assembly process, the next step is to place the components on the board. This can be done manually, or it can be done with the assistance of machinery (pick and place systems). 

•  Reflow: In the traditional PCB assembly process, the next step is reflow, which is when the solder is first melted and then resolidified. The board and all its components move through an oven, which heats the solder, liquifying it and ensuring that connections are formed before the board moves into a cooler, where the solder is cooled.

In the SMT process, reflow soldering takes place at this time, as well. The board is sent through a furnace, which melts the solder paste, allowing it to flow as necessary, before the board passes through a series of coolers that gradually bring the temperature down, solidifying the solder on the board and cementing the components in place.

• Inspection: The next step in the traditional PCB assembly process is a visual inspection of the board, soldering, and components. 

• Through-Hole Part Insertion: The traditional process requires that through-hole insertion be done manually, after the reflow and inspection process. Soldering is also often done manually, but it may be done using wave soldering.
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• Final Inspection and Cleaning: The final step in the traditional PCB assembly process is a final inspection of the board, the solder points, and the components, and a cleaning to ensure that debris or excess solder is removed.
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Shenzhen Yizhuo Electronics Co., Ltd. is a national high-tech enterprise certified to ISO9001: 2015 international quality management system. We have CE, ROHS, UL certification. It was founded in 2012 and factory area consists of more than 6,000 square meters, 131 employees, and two shifts. We have the capability to manufacture aluminum PCBs, FR4 PCBs, LED PCBA, and other related products. We are also providing services like PCB design, PCB assembly, and LED SMT board processing for PCB designing services. The products are widely used in lighting, electronics, communications, automotive and other industries that require heat dissipation. Our professionals work in close association to understand the specific requirements of our clients. In our quality testing unit, we meticulously test each product, thus results in their compliance with international quality standards. We can do ODM or OEM one-stop service for our customers.

We are supported by a ‘state-of-the-art’ infrastructural base and team of enthusiastic and skilled professionals. we have divided our well-developed infrastructural base into various units such as procuring, designing, manufacturing, quality testing, R & D, sales marketing, warehousing packaging, and more. This facilitates us to deliver totally defect free range product to our clients at the leading market prices and equipped with the latest machinery and innovative technology in order to meet the large-scale orders of customers. With a senior management team and R & D design team with an average industry experience of more than 10 years, our products are selling well around the world.

FAQ:

Q1. What specifications do you need for PCB quotation?
A: We need your PCB Gerber file,board thickness,copper thickness,surface finishing and quantity to quote you.

Q2. How about the Shipping cost?
A: The shipping cost is determined by the destination, weight, packing size of the goods. Please let us know if you need us to quote you the shipping cost.

Q3: Is it OK to print my logo on product?

A:  Yes. Please inform us formally before our production and confirm the design firstly based on our sample.