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Special wave soldering maintenance for lead-free tin bars
Dec 29, 2022
12-29
2022
The mechanical part of the wave soldering furnace dedicated to lead-free tin strips: If the machine is running for too long without maintenance, the spot inspection will show that the screws are loose, the density of the gear teeth is not good, the chain speed slows down, and the transmission shaft may be rusted Deformation of the track (such as bell mouth, trapezoidal shape, etc.)
Selection of soldering working conditions for lead-free solder bars
Dec 28, 2022
12-28
2022
Where there is no DC welding machine, lead-free tin bars for both AC and DC should be used. Metal elements are precipitated to form lead-free tin bars. The increase of other metal content and impurities will affect the welding effect of the lead-free solder bar and the oxidation speed of the lead-free solder bar is too fast, resulting in an increase in tin slag.
Method for identifying the quality of solder bars
Dec 28, 2022
12-28
2022
1) The merchant can be required to present the qualification inspection report related to the provision of solder bars. To analyze the various data of the solder bar, so as to understand the accurate information of the solder bar, and reasonably set the method of use.
How to Avoid Machine Dip Soldering of Lead-Free Solder Bars
Dec 27, 2022
12-27
2022
Solder bar is an essential solder material for immersion soldering. It can be divided into leaded solder bar and leaded tin bar. Leaded tin bar is mostly used for non-exported electronic products. The lead-free solder bar produced by Yizheng Xujiazhuang Industry and Trade Co., Ltd. is made of raw tin. Good wettability and fluidity, easy to tin; Solder joints are bright and full, and will not have bad phenomena such as false soldering.
Technical introduction of lead-free solder paste soldering
Dec 27, 2022
12-27
2022
Every factory that uses lead-free solder paste hopes to help electronic products perform a perfect soldering. However, this matter is not a very simple matter. To achieve such an effect, several points must be achieved:
Solder wire melting point
Dec 26, 2022
12-26
2022
The melting point of solder wire is 183 degrees. When the tin content is higher than 63%, the melting temperature increases and the strength decreases. When the tin content is less than 10%, the welding strength is poor, the joint becomes brittle, and the lubricating ability of the solder becomes poor. The most ideal is eutectic solder.
Requirements and specifications during solder paste screening
Dec 26, 2022
12-26
2022
At present, for a manufacturer or small and medium-sized enterprise that produces and processes solder paste, the key link is to maintain the quality of the product itself. There are many factors that determine the quality of solder paste printing, such as the production process of steel mesh , the punching design of the steel mesh,
Characteristics and technical parameters of low temperature environment-friendly lead-free solder wire
Dec 19, 2022
12-19
2022
First of all, let's understand what is lead-free solder wire:
The harmfulness of lead poisoning and the damage to the environment have been recognized by everyone. Lead-free solder wire is an alternative and upgraded product for de-leading. It was first proposed by EU countries in order to protect the health of operators and protect the environment.
How much is the lead-free environmentally friendly tin wire 1.0mm?
Dec 19, 2022
12-19
2022
Lead-free environmentally friendly tin wire is made of high-purity cloud tin, which is suitable for packaging solder and electronic assembly of semiconductors
The research and development and manufacture of solder are bright and full, with good flow and less spatter.
Process characteristics of lead-free environmentally friendly solder wire
Dec 16, 2022
12-16
2022
Lead-free environmentally friendly solder wire uses lead-free solder instead of traditional tin-lead eutectic solder, which makes the process of lead-free environmentally friendly solder wire have significantly different characteristics. First, the temperature of the welding process is significantly increased, and the process window is sharply reduced.
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