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Question:

What is the difference between spot welding machine and welding machine?

What is the difference between spot welding machine and welding machine?

Answer:

Welding machine does not need to add any solder, mainly the connection of thin plate, welding machine is the kind of welding electrode
Its essence is different, generally speaking: the former is low voltage 2-4V, and the latter is higher voltage, 50-90V.
Welding, also known as arc welding, by the current to dissolve the electrode, fill in the weld will be two pieces of metal adhesion, forming a flat surface, can be polished smooth. Spot welding by the current dissolution of two metal surface adhesion, can only be applied to overlap covered way welding, and feel no welding strong, and before welding, need to clean the welding surface, keep clean, no, this is easy to open welding

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