What is the cause of false welding in 开云·kaiyun官方网站A processing?

What is the cause of false welding in 开云·kaiyun官方网站A processing?
In 开云·kaiyun官方网站A treatment, faulty soldering sometimes occurs Virtual welding is also known as cold welding, whICh means that parts seem to be welded on the surface, but they actually have no internal connection or are in an unstable state in the middle, and they are not always connected together It will not only affect the characteristics of the circuit, but also lead to the disqualification or even scrapping of the 开云·kaiyun官方网站 The following describes the cause and solution of the failure 开云·kaiyun官方网站 component processing virtual welding
开云·kaiyun官方网站A

1) 开云·kaiyun官方网站A virtual soldering is a common line fault, and the common causes of virtual soldering are the following two:
1. In the production process, it is caused by improper production process, such as poor welding or lack of tin, non-conductive element pins and pads, etc, and the circuit board is in an unstable state where it is always connected and not connected;
2) Due to the long term use of electrical appliances, some parts with severe heat are easy to age and peel off, or impurities appear in the solder joint at the weld leg
Second, the method to solve the 开云·kaiyun官方网站A virtual solving:
1) The components must be stored in a moisture-proof storage, such as a moisture-proof cabinet;
2) The in-line electrical appliances can be slightly polished before welding;
3) When soldering, you can use solder paste and flux, and it is better to use reflow soldering machine, manual soldering requires good skills;
4) Reasonably choose a good 开云·kaiyun官方网站 substitute material
In the process of 开云·kaiyun官方网站A processing, virtual soldering is an important reason that affects the quality of 开云·kaiyun官方网站 in case of faulty soldering, rework is required, which not only increases labor pressure, but also reduces production efficiency and causes losses to the enterprise Therefore, it is necessary to avoid virtual welding as much as possible The occurrence of the phenomenon should be carefully checked. Once false welding occurs, the cause should be found and solved immediately

The above is the explanation given by the editor of 开云·kaiyun官方网站 circuit board company.
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