Friday, January 6, 2012

Transfer MIG Welding Short Circuit

What Type of Short Circuit Transfer?

This type of transfer occurs when a short circuit MIG welding electrodes from short-circuiting the weld joints. The kind of work is the way of transfer to give an electric welder MIG filler wire feed machines and then wire that into the weld joint. After the electrode wire or welded joints make contact with a short circuit is created. Short circuit heats the wire to melt and break up. After that the process repeated until the welder stops weld. This type of transfer only shorts on joint weld electrodes to meet the welding joints.

When Short Circuit Used?

Short circuit is used on thin metals. The main reason behind this is that the voltage at the lower end MIG welder settings. Short circuit is best used on metal 1/4 of an inch or less in thickness. When welding thick metal lower voltage will not allow the weld to penetrate properly. This will produce a good weld is not strong enough or may produce a layer of weld that is literally not attached to the joints. If the welder is not set properly on the machine with heavy metals can be removed from the welded joint with no more than a tap hammer. This is the main reason why the type of transfer used on thin metals and requires less voltage.

How To Set-Up Your MIG Welder

Setting up the MIG welder you need two main ingredients and they are:
  •     Shielding gas with a high percentage of carbon dioxide
  •     Voltage regulation at the lower end
The gases most commonly used for this transfer is 100% carbon dioxide. Other gas mixtures can be used starting from carbon dioxide and argon carbon dioxide, argon and oxygen fraction.

Voltage regulation is based on the thickness of the metal to be welded. Most MIG welders have the voltage and wire feed speed chart in the panel settings on the welder. The manufacture of welders typically have voltage settings recommended for that particular welder. After the machine will be called to the proper voltage range, welders need to set the welding wire feed speed until it begins to produce high-pitched crackling sound fast. Sound welds that tells you what kind of type of transfer used. After that it's just trial and error to get the machine set up properly for the required thickness of weld metal.

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