Welding Electrodes

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Welding Electrodes

1

Make sure to use all of the proper safety equipment.
-Try to find shirt that is thick, %100 cotton.
-Your welding gloves should be insulated and fire resistant.
-Try to use a helmet with a lens that automatically darkens during the welding process. The lens should be rated at 10-13 shade.
-Make sure that your pants do not have cuffs that can catch flaming material.
-Keep a fire extinguisher easily accessible in case of nay stray sparks.


2

Clean tha aluminum.
-Spray the joints with acetone. Rinse the work piece in water, and then allow it to dry throughtly. Scrub the aluminum with a stiff brush with stainless steel bristles to finish the cleaning process.
-The welder itself will clean the metal as welds, but this is often not sufficient to remove all contaminants.


3

Clean the filler rod.
A dirty filler rod can contaminate the weld just as easily as a idrty work piece. Use an abrasive cleaning pad to ensure that the rod is contaminant free.


4

Aluminum is much easier to weld when the work is already much hotter than room temperature. When welding thick pieces of aluminum, welding without preheating can lead to a very weak, shallow bond.
-You can heat the work piece by putting it directly in an oven or you can use a gas torch to apply heat sink that the work is clamped to. This will distribute the heat throughout the work piece.
-Aim for temperature of about 350°F (176°C)

 

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