Introduction to the use and maintenance of soldering iron tips
(1) The reasons why the soldering iron tip does not stick to tin mainly include the following points, please avoid as much as possible:
(1) The temperature is too high, and when it exceeds 400°C, it is easy to oxidize the tin-stained surface.
(2) The tinned surface is not fully tinned during use. www.dgjs123.com
(3) There is too little flux during soldering; or the use of active flux will oxidize the surface quickly; water-soluble flux is corrosive at high temperature and will damage the tip of the soldering iron.
(4) The sponge used to wipe the tip of the soldering iron contains too much sulfur, is too dry or too dirty.
(5) Exposure to organic matter such as plastics; lubricating oil or other compounds.
(6) The tin is impure or the tin content is too low.
(2) Precautions and maintenance methods for the use of soldering iron tips:
(1) Before the soldering iron tip is powered on every day, remove the residual oxide, dirt or flux on the soldering iron tip; and remove the impurities in the heating body to prevent the soldering iron tip from being stuck with the heating element or sleeve. Always lock the soldering iron tip to keep it in place.
(2) When using, first set the temperature at about 200°C to preheat, and then set it to 300°C when the temperature reaches 300°C. When it reaches 300°C, it is necessary to add tin to the tin-stained part of the front end of the soldering iron tip in real time, and wait for 3~ After 5 minutes, test whether the temperature is standard, and then set it to the required working temperature.
(3) When soldering, do not forcefully pick or squeeze the soldering iron tip against the object to be welded, and do not use frictional welding, as this will not help heat conduction and may damage the soldering iron tip.
(4) Do not rub the tip of the soldering iron with rough objects.
(5) Do not use fluxes containing chlorine or acid.
(6) Do not add any compound to the tin surface.
(7) When not in use for a long time, lower the temperature to below 200°C, and protect the tip of the soldering iron with tin, do not wipe it; only when soldering, wipe it on a wet sponge, and re-stain the tip with new tin share.
(8) After the day's work, when not soldering, wipe the tip of the soldering iron clean and re-stain the tip with new tin, store it on the soldering iron stand and turn off the power.
(9) If the tin-stained surface has been oxidized and cannot be stained with tin, or the oxide film is blackened due to flux and cannot be removed with a sponge, gently wipe it with 600-800 mesh sandpaper, and then wrap it with tin wire containing flux Warm the tinned surface that has been wiped, and then add tin again after the tin contacts and melts.
