How to Arc Weld

How to Arc Weld How to Arc Weld Amongst the various fusion processes with the use of power supply, both direct currect (DC) and alternating current (AC), arc welding holds a relatively strong priority for joining metals. For joining the metals normally an electrode is used in the method applied by arc welding. The process requires intense heat to be applied at the joints or between the edges of a metal. A metallurgical bond is what can be seen after the melted portion is made to cool down and starts to solidify. The final product prospectively has the unchanged strength properties as the metal of the parts as because it is just the intermixing of two or more components joined together. But there is a big difference between other similar processes than arc welding where brazing or soldering of the metals are done. This is because here the physical and the mechanical properties of the materials utilized for joining cannot be replicated or duplicated. In arc welding, extreme heat is required for making the metal get a shape of a molten hot mass and such a form is achieved through the use of welding arc.

The arc or the semicircle is made to take the shape in between the tangible work and an electrode (wire or stick) or between the joints which is either guided mechanically or manually. A rod can too be the composition in the shape of an electrode that has got the ability to carry electricity from the welding tip to the materials on which the arc will be made. Instead, the electrode can be a scientifically manufactured rod that can liquefy a metal and create a joint through the conduction of electricity. The second one is more popular while using it for welding purpose. The welding portion or the area of the metal is often covered by an evaporating filler material. Such materials or fillers are terms as shielding gas composed form any inert gas.

How to Arc Weld1 How to Arc Weld The entire process of arc welding is not at all easy and needs great care and precautions. The metal sheet on which the arc is to be made for welding should be placed over a hard surface of concrete. This is because the sheet should not attain a very high temperature due to the welding process. Next, you should always check the wirings and connection from which the supply of current will be made to use for the process. Because there is any leakage then the whole metal sheet will get conducted resulting in fatal consequences for the worker. Proper wielding hood or safety glasses should be worn to protect your eyes from the deadly fumes arising out of the electrode used for welding. Any leather welding gloves should always be used to prevent your hand or fingers from getting burnt. Cover your body with welding sleeves long heavy sleeves should as during the process many sparks or small droplets of fire comes out from the arc or joint.

From the scientific approach, the angle should be at least of 45o between the metal sheet and the electrode for making an arc. This angle helps you to make the arc or weld the area in a shorter time spent and less effort to put down. Use a stinger or a striking hammer on the portion where you desire to give the metal a shape or an arc. Be careful not to hit your hand while striking the metal sheet. Allow the molten part of the metal sheet to solidify by keeping it in open air or slowly putting cold water. But make sure pouring of water does not create undesired cracks on the joints or the arc.

Materials required: – A thick metal sheet Arc welder Safety welding glasses Striking hammer/stinger Power supply (AC/DC)
Pursuing with these concepts and safety measures in mind you can go with the process of arc welding on a metal sheet. It is not that simple and easy to make a smooth arc while welding but can be done after few practices.