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Calculation method of PCB board warpage

Each process has its own inspection standards, and PCB boards are no exception. As the core process in electronic equipment, PCB circuit boards have many and strict inspection standards, and the calculation of warpage is one of them. Warpage, as the name suggests, is whether the PCB printed board is flat and can be perfectly inserted into the hole and surface mount pad of the board.

Warpage usually means that the plastic part is not formed according to the designed shape, but the surface is distorted. There are many influencing factors of warpage, so you must pay great attention to it during production. Every slight error may cause the entire circuit board to be scrapped. So how to calculate the warpage of the PCB board? Next, the editor will give you an introduction.
Calculation formula of PCB circuit board warpage:

Warpage = the height of a single corner / (PCB diagonal length * 2) * 100%
"Calculation method of PCB board warpage"/In the automatic insertion line, if the printed board is not flat, it will cause inaccurate positioning and even damage the automatic insertion machine. If the board is installed with components and bent after soldering the patch, it is very difficult to cut the component feet neatly, which will eventually cause the PCB circuit board to be unable to be installed in the chassis or socket in the machine, which is equivalent to scrapping a piece Circuit board. It can be seen that if manufacturers encounter circuit board warpage, they are very distressed, so the warpage requirements of PCB circuit boards are becoming more and more stringent.

This is the end of today's PCB circuit board science popularization. I hope to provide some small help to everyone's future life, and let everyone have a more profound understanding of PCB circuit boards!

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