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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.

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What is a welding return lead?

A welding return lead is an essential component in electric arc welding setups, serving as the electrical path that completes the circuit between the welding machine and the workpiece. It typically consists of a heavy-duty cable with a clamp that attaches to the workpiece, returning the electrical current back to the welder. This lead is crucial for maintaining a stable arc and ensuring efficient welding performance by minimizing voltage drops and improving safety. Proper handling and maintenance of the return lead are vital for consistent weld quality and equipment longevity.


What is the power rating of 500 amperes welding machine?

Welding is done with a high current and low voltage. The voltage of a 500 amp welder might be 10 v so the power rating in that case would be 5000 watts.


How do wire feed welders work?

Wire feed welders operate by continuously feeding a spool of welding wire through a gun to create an electric arc between the wire and the workpiece. This arc generates intense heat, melting both the wire and the base material, allowing them to fuse together. The welder typically uses a shielding gas to protect the molten weld pool from contamination. This process allows for efficient, consistent, and automated welding, making it popular in various applications.


What size wire feeder should be used for 300 amps welding machine?

Usually the rating of a welding machine is expressed on the DC output side. What you need to state is what the input in voltage and amperage is. It is this side of the welder that is connected to the supply breaker. On the nameplate there will be a voltage, amperage both stated for an AC supply connection.


What is the difference between arc welder and inverter arc welder?

Both use electrical current to melt the base metal and the filler metal. Both could be considered ARC welding. Most welding is done with an electrode (stick) and as the electrode becomes consumed the weldor has to stop and replace it with a new one. MIG welding uses a spool of wire and can be run for hours on end. MIG is usually easier to learn.

Related Questions

What is the principle of electric welding?

the basic principle of welding is 1. first we have some broken material 2. a welder 3. welder should know how to weld


If Three welder's are welding on one test coupon different filler wire and different welding processes after radiography one welder has failed.what about other welder he also will fails or not?

The other welder will also fail.


What electric welder do you want in your home shop?

The type of welder is dependant on what you want to weld with the machine. Welding heavy steel will take a bigger machine than one that is used for light metal.


What institutions offer welding courses?

In the United States, the three top welding schools that prepare students for structural welder and master welder certification are: Tulsa Welding School (in Tulsa, OK and Jacksonville, FL), Hobart Institute of Welding Technology (in Troy, OH), and Lincoln Electric Welding School (in Cleveland, OH). Completion of these programs will provide qualifications for more advanced (greater than entry level) welding jobs.


Where can one buy a new welder pressure gauge?

There are a few places online such as Welding Web, Grainger as well as Lincoln Electric offer websites that someone looking to purchase a Pressure Gauge for a welder can be purchased.


What does the term single hand welder mean?

A "single hand welder" is any person welding on a job that is not using their own personal equipment. I.E., welding with a company welder or rented welder until you can afford to buy your own welder.


welding i want to weld steel bars to my trailer should i use a arch welder or a wire feed welder?

arch welding is a more stable form of welding. it get hotter and creates a stronger bond


Does anyone have any information on the dynamic welding company Chicago Illinois They made something called the Dynamic Supercharged Welder in the 40's and 50's?

they moved their location somewhere and the welder is quite valuable i believe.


What is another name for the wire welder?

Another name for a wire welder is a MIG welder, which stands for Metal Inert Gas welding.


Welding jobs if you went to a welding school and graduation?

Graduating from a welding school can open up various job opportunities in the welding industry. Welders are in demand across sectors such as manufacturing, construction, oil and gas, automotive, aerospace, and more. Some potential welding jobs that can pursued after welding school are: 1.Welding Instructor 2.Welding Technician 3.Welder/Fabricator 4.Structural Welder 5.Pipe Welder 6.Welding Inspector


What is the recommended range of welder amps for welding stainless steel?

The recommended range of welder amps for welding stainless steel is typically between 50 to 90 amps.


What is the standard for pipe welding repair acceptance percentage for welder?

welding repair inpipe which standard applicable