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How to use lead-free solder bar
Nov 21, 2022
11-21
2022
First of all, when using Dongguan lead-free solder bar for the first time, put an appropriate amount of tin bars in the tin pot, connect the power supply, turn on the power switch, adjust the temperature to about "250" ℃, and use Dongguan lead-free solder bars in the tin pot. Apply tin to the red heating tube until the tin surface covers the heating tube.
Points to pay attention to when replacing lead-free environmentally friendly tin bars
Nov 18, 2022
11-18
2022
The lead-free environmentally friendly tin bar runs in the wave furnace for a long time, and other metal elements are precipitated to form the lead-free environmentally friendly tin bar. The increase in other metal content and impurities will affect the soldering effect of the lead-free solder bar and the oxidation of the lead-free solder bar. If the speed is too fast, the amount of tin slag will increase.
Lead-free environmentally friendly solder paste manufacturers share the formula of solder paste with you
Nov 18, 2022
11-18
2022
Solder paste is a homogeneous mixture with certain viscosity and good thixotropy. At room temperature, solder paste can initially stick electronic components to a predetermined position. When heated to a certain temperature (melting point), with the volatilization of solvents and some additives and the melting of alloy powder, the soldered components and pads are connected. Together, they cool to form permanently connected solder joints. Lead-free environmentally friendly solder paste manufacturers share with you the formula of solder paste:
Lead-free solder used in lead-free environmentally friendly solder paste has become a reality
Nov 17, 2022
11-17
2022
Lead-free solder used in lead-free environmentally friendly solder paste has become a reality today. These flux formulations enhance the soldering process and are formulated to provide excellent wetting performance and the increased chemical and thermal stability required for lead-free assembly. Traditional fluxes used with tin-lead alloys are not necessarily adequate to prevent the slow wetting of lead-free alloys and the higher temperatures typically associated with lead-free solders.
Anti-oxidation alloy ratio of lead-free environmental protection tin bar
Nov 17, 2022
11-17
2022
Lead-free environmentally friendly tin bars are basically lead-free tin bars, usually made of lead-free pure tin, pure copper or pure silver, and anti-oxidation alloys in proportion, and then processed by high-temperature dissolution, refining, impurity removal, and other processes. The alloy products are cast into strips with molds or die-cast into strips by hydraulic presses, so they are called lead-free solder strips.
What are the characteristics of solid core solder wire, and how to distinguish it from rosin solder wire?
Nov 17, 2022
11-17
2022
The main solder raw materials in the solder industry include solder wire, solder bar and solder paste. According to different production processes, solder wire can be divided into solid core solder wire and rosin solder wire. In the previous article, we have also popularized solid core solder wire and solder wire. The knowledge of rosin solder wire, so what are the characteristics of solid core solder wire, how to distinguish it from rosin solder wire, today we have collected some information for everyone to analyze as follows:
Selection and use of electric soldering iron when soldering tin wire
Nov 16, 2022
11-16
2022
The welding effect of solder wire is good or bad, and the choice of electric soldering iron is very important. Because the tinning of the solder wire mainly depends on the temperature of the soldering iron tip to melt it to achieve the final purpose of soldering.
Dyeing of SMT solder joints and brand solder wire penetration test
Nov 16, 2022
11-16
2022
With the rapid development of SMT technology and some brands of solder wire and high-seal packaging technology for components, it is difficult to find the hidden solder joint defects of many brands of solder wire with intuitive methods. The quality and reliability of solder joints must be adapted to this test technology
What is the relationship between solder wire color and purity?
Nov 15, 2022
11-15
2022
The quality of solder wire largely determines the soldering effect, so it is very important to choose a good quality solder wire.
I believe everyone has heard that the quality of solder wire can be judged by the glossiness of solder joints. Comparing the whitening degree of solder joints, you can know the proportion of lead content in solder wire, so as to judge the quality of solder wire.
How many quality problems exist in tin wire?
Nov 15, 2022
11-15
2022
For the soldering tin industry, the melting point of solder wire without lead must be increased by at least 20-45°C according to the difference in composition. In this way, the temperature setting of the soldering iron tip must also increase accordingly. As the temperature increases, the evaporation rate of the flux also increases, and the flux is the key factor that determines the metal activity (fluidity) after the solder wire is melted.
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Catherine
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