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Process characteristics of lead-free environmentally friendly solder wire
Nov 14, 2022
11-14
2022
Lead-free environmentally friendly solder wire uses lead-free solder to replace 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 soldering process increases significantly, and the process window shrinks sharply.
High temperature solder bar solder joint blow hole failure
Nov 14, 2022
11-14
2022
During the wave soldering process, the gases generated inside the solder joints and through holes of the high temperature solder bar will escape to the outside. When the solder on the top layer of the solder joint no longer provides an escape channel for the released or captured gas, part of the gas inside the solder joint continues to expand and escapes from the bottom to form a blow hole, while the unescaped gas is wrapped in the solidification voids are formed inside the solder. During the soldering process, the gas generated inside the solder joint of the high temperature solder bar is mainly caused by the volatilization of the flux and the release of moisture.
Solder joint failure of PCBA water-soluble solder wire caused
Nov 11, 2022
11-11
2022
Today's electronic device packaging is getting smaller and smaller, coupled with the reality that the thermal stress of the current lead-free process of water-soluble solder wire and the brittleness of lead-free solder wire solder joints have increased significantly, and the solder joint cracking caused by excessive bending during the manufacturing process The probability of occurrence increases accordingly. For package substrates with all surface finishes, excessive strain can cause damage to the solder joints. These failures include solder ball cracking, wire damage, pad lift, and substrate cracking during PCBA fabrication and testing.
Why do automatic soldering machine merchants choose lead-free tin wire
Nov 11, 2022
11-11
2022
One of the soldering materials for electronic products is tin wire, and tin wire is divided into lead tin wire and lead-free tin wire. The price of lead-free tin wire is much higher than that of leaded tin wire, which will greatly increase the cost of soldering materials. Why choose lead-free tin wire for automatic soldering machine merchants? What benefits can the high price of lead-free tin wire bring us?
How to solve the problem that the soldering iron tip does not stick to the tin when the solder wire is soldered?
Nov 10, 2022
11-10
2022
In general, why do we often encounter the phenomenon that the tip of the soldering iron does not stick to the tin when we are soldering the solder wire, so how to solve the problem that the tip of the soldering iron is easy to be black and does not stick to the tin when soldering? In fact, there are still many reasons for non-stick tin. We can only find these problems and solve them. If this happens, how should we find the reasons and solutions:
How to solve the blockage of the tin wire of the automatic soldering machine
Nov 10, 2022
11-10
2022
Automatic soldering robots are widely used in electronic equipment manufacturing. It has a good soldering effect on the difficult processing and soldering process of production equipment, especially for circuit boards, pcb welding wires, charger plug-ins, etc. So what should I do if the tin wire of the automatic soldering machine is blocked?
Nickel-plated environmentally friendly solder wire
Nov 09, 2022
11-09
2022
The nickel-plated solder wire adopts advanced production technology and excellent equipment. In the whole production process of the tin wire, the ISO9001 quality management system is strictly implemented, which effectively controls the content of trace metal elements and impurities, and improves the purity of the tin wire.
How to choose the right solder paste in PCBA production
Nov 08, 2022
11-08
2022
Different products need to choose different solder pastes. How to choose a solder paste is an important problem to be solved in PCBA production. Now combined with relevant domestic and foreign standards, the inspection items of solder paste are introduced as follows. The selection of solder paste includes alloy composition, viscosity , effective working time, storage period.
The service life of environmentally friendly tin bars
Nov 08, 2022
11-08
2022
Now environmentally friendly tin bar products are widely used. However, because of its lead-free and environmental protection, the unit price of the product is expensive and the cost is high. A wave furnace needs about 500 kilograms of tin bars per tin furnace, that is, a large amount is invested each time, so the buyer will be careful.
How to reasonably control the temperature when using solder wire
Nov 07, 2022
11-07
2022
Solder wire is a kind of filamentous solder. As we all know, solder wire is widely used now. Solder wire is mainly used for dip soldering and wave soldering. Electronic solder is the most consumed product today, and solder wire is also used for flame brazing and welding of large structural components and long seams. Solder wire is the most indispensable connection material in electrical and electronic products.
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Catherine
Fannie
Avril
Chtherine
Fannie
Avril
