问答详情- I have a few welding questions?

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I have a few welding questions?

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who developed mig welding
what happens if shielding ga is not used during gmaw
why was it developed
what is the difference between flux cored electrode welding and gmaw
what is the elcectrode
what is the contact tip
what is the gas nozzle
what is an inhert gas
what happens when helium is used as a shielding gas
what type of power supply does a gmaw need

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0861788249

0861788249 2017-01-19 10:16:06

Shielding gas is used to protect the weld from oxygen preventing oxidizing of the weld to make the weld stronger. Electrodes are the wire or stick melted when the current from the welder goes though the electrodes Contact tip is the point where the electrode makes the circuit. Gas nozzle are for MiG welding the blow the gas where the weld is being made.
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