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Question:

How many watts does the electric iron use in general? What's the difference between internal heat and external heat?

It's going to buy an electric iron for wires and some small parts on the electric board in Taobao. Being a beginner, it is purely amateur. I do not know how many tiles to buy, but it is best to dissolve tin hot fast. Internal heat and external heat, pointed flat mouth. Which is more suitable for welding small objects (such as sockets, loose welding, stable points, etc.)? How many watts can both dissolve quickly and not hurt small pieces?

Answer:

20~30W, internally heated, pointedDo not think molten tin fast, if you are not a constant temperature electric iron, the iron head will soon oxidize, do not touch the tin, and the life is short.
Hardware stores have sold, 50W, just fine, more than 20 yuan will be able to buy good.
If it is small enough to weld 50W, I 50W is the commonly used heat type, and more convenient, more suitable for beginners, because the oblique mouth hanging tin iron head is easy, not easy to burn, with a few times if you feel the iron head sunk or burned to the center, the best file repair is better,Which is more suitable for welding small objects?See the computer repair, the electric iron knife they use the (not small, my first feeling is sharp is small special welding, and later learned that it's not so, but may be a good point in specific situations), with little dependence on the size of the electric iron, the most important key. With the usual technology, and those small? Individual feel inclined mouth, most suitable for noviceHow many watts can both dissolve quickly and not hurt small pieces?This is not much to do with watts, as long as the master welding time on the line, the longest is generally not more than 2 - 3 seconds, but feel the number of watts is too small, so that longer welding time, and more likely to damage the device

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