When the
solder wire is used for welding, the solder meets the high-temperature soldering iron at the pad and melts due to the high temperature. The liquid tin spreads quickly with the help of flux and is firmly connected to the pad. At this time, there may be two situations that lead to the phenomenon of poor tin frying under the welding process. The editor of the following double Chile solder wire manufacturer will introduce the tin beading phenomenon that occurs when the solder wire is used:
1. The main reason for the product to produce tin beads and fried tin in the soldering process is the flux (rosin) in the solder wire. The solder wire itself has no fluidity, and it can maintain a good flow during the heating and melting process. The main contribution to the sex lies in the flux inside the tin wire. If the tin wire is viewed with a microscope, it will not be solid, it is hollow, and there is flux inside. Its distribution is random rather than uniform.
2. To solve the problem of solder balls or tin blasting, you can use a tin breaking device to break the tin wire so that the flux can have space to flow, so that 95% of the tin blasting and solder balling can be reduced. What we need to pay attention to is After breaking the tin, the broken tin wire should be used up within 24 hours to avoid the volatilization of the rosin, resulting in the situation that the tin wire cannot be spread out.
3. In the production process of general solder wire, special attention should be paid to the deployment of solder wire and rosin flux. Splashing of rosin or abnormal frying of tin can cause burns.
At present, the problem of tin balls in the process of solder wire welding is still relatively rare. It usually occurs in the process of solder paste. Solder wire only needs to be purchased from a regular manufacturer. During soldering operations, operators must be trained and master the correct use method. Handy, for more knowledge about solder wire, please contact ShuangChile solder wire manufacturer.
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