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Dc welding can be used for non consumable electrodes with consumable electrode heat is transferred from electrode to work by molten metal. Ac welding is desirable for aluminum and magnesium, because it helps break up oxides AC is more stable than Dc.

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Q: When to use dc welding machine and ac welding machine?
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Related questions

What component of a welding machine changes AC current to DC current?

Yes, it is normal for a welding machine to convert AC voltage to a DC voltage.


How AC is converted into DC in welding machine?

rectifyer


Normal welding machine out put DC or AC?

Can be either, or even selectable.


Can you use Stick Welding machine for Spot Welding if yes how?

They sell a spot welding gun that plugs into a DC arc welder. If you have an AC225 or some other AC-only machine, this won't work. In general, tho, spot welders have their own power supplies so you don't need to reconfigure your stick welding machine for this.


I have a chicago electric 180 acdc arc welder can i use the same welding rod for either ac or dc welding?

Some electrodes (welding rods) can be used AC or DC. Some are strictly DC. You may find that most electrodes run smoother on DC. Most industries purchase machines with DC capability.


What is the difference between ac arc and dc arc welding?

Both are shielded metal welders but differ in the electricity they use. Ac welders can weld heavier metal while dc welders are better for thinner metals. Ac welders can weld magnetized metals. Dc welders can not. The arc in an ac welder is harder to control because of the pulsating current. Dc welders are more expensive. Some welding machines offer both options.


What type of welding can you do with an ac welding machine?

You can do Shielded Metal Arc Welding (stick) with an appropriate electrode. If the machine has a high frequency arc stabilizer then you can also TIG (tungsten inert gas) weld aluminum. Wire feed processes require a DC machine


What would happen if you use 6010 welding rod on an AC welding machine?

6010 is intended for DC welding. It has no additives in the covering to keep the arc going each time the AC voltage reverses, so it is very hard to keep the arc struck. The result is usually poor quality welds. The solution is to switch to a rod designed for AC, such as 6013.


What would happen if you use a 6010 welding rod on an AC welding machine?

6010 is intended for DC welding. It has no additives in the covering to keep the arc going each time the AC voltage reverses, so it is very hard to keep the arc struck. The result is usually poor quality welds. The solution is to switch to a rod designed for AC, such as 6013.


How it is convert from ac to dc in normal welding machine?

Well, first of all it's entirely possible to weld with ac as well. But if you want dc it's usually accomplished with diodes in something called a bridge rectifier.


Can a DC motor be turned into a welder?

A dc is an acronym for direct current & 2 be put in to use,changed to ac which could then be used in welding


What is the effect of AC and DC in arc welding?

DC WELDING:We gain a smoother welding because of constant and linear direction of current.The arc will be more stable and easier to handle.DC welder can use both AC and DC welding rods.AC WELDING:The arc is not stable here and needs to be stuck again because of the fluctuating nature of AC.It is not as smooch as DC welding.These welders cost less when compared to DC welders.