SOLDERING/WELDING
Soldering/welding is a process ofAssembly permanent joining that involves uniting two metal parts by fusion, with or without the addition of a filler Metal. A distinction is made between welding proper, where the parts themselves melt and blend together, and brazing/soldering, where only a filler metal with a lower melting point (soft solder with tin, hard solder with Silver) ensures the bond without melting the base parts. In watchmaking and in the trades of External parts (case, dial, hands) and jewelry-making, soldering/welding is used in particular to attach lugs, fittings or decorative elements, as well as to repair certain parts. The operation requires rigorous Testing of the Temperature, the cleanliness of the surfaces and the use of a flux, in order to obtain a solid, clean and discreet joint. Poorly controlled soldering can deform the parts, leave marks or weaken the Assembly.
Soldering is a manufacturing technique that involves the fusion of various materials, mainly metals or thermoplastics.
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