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When welding with DCEN the electrode is positive and the work is negative?

DCEN means Direct Current Electrode Negative. Hook the welding cable to the Positive connection (+) on the machine, the ground cable to the Negative connection (-) Electricity travels from Negative pole to Positive pole.


What type of welding machine does not have positive and negative terminal connection?

Transformer type welding machine


What is polarity in welding?

Polarity in welding has to do with the direction of the current in the welding process. With direct current (DC) the welding circuit can either be straight, or reverse polarity. When the machine is set for straight polarity, the current flows from the electrode to the weld surface and creates considerable heat in the metal. When the machine is in reverse polarity, the current is backwards and is flowing from the metal to the electrode causing a grater concentration of heat at the electrode.


When to use dc welding machine and ac welding machine?

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.


How do you calculate welding electrode consumption?

how do you calculate welding electrode consumption


What is a welding lead?

the welding lead is the cable coming from the welding machine that either feeds the wire and shielding gas (mig) or or provides current to the electrode through the holder


What is the meaning of SMAW Welding?

Shielded Metal Arc Welding, commonly called Stick welding. A shielded electrode passes a current between itself and the workpiece. Both the base-metal and the electrode are melted by the current and the electrode is consumed and deposited into the melted puddle forming the weldment.


How do you calculate welding electrode consumption the for a groove in metals?

machine is the mechanical engine g and aromatically to use it


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 is arc diameter in welding?

Depend upon dia of electrode & Arc length between Electrode tip and job surface.


What affect does welding polarity have on where heat is directed?

In DC welding, electrode positive (DCEP) produces more heat at the workpiece, leading to deeper penetration and faster welding speeds. In contrast, electrode negative (DCEN) focuses more heat on the electrode, resulting in shallower penetration and slower welding speeds. AC welding alternates between these effects with each cycle.


What is stickwelding?

Stick welding is a type of welding that uses an electrical current to produce an intensely hot plasma arc that melts metal together while adding filler metal, which is what the "stick" electrode is made of. The electrode (or stick) is usually about a foot in length and is covered in flux to prevent atmospheric contamination. It is held by an electrified clamp that the welder runs across the joint to weld.