Welding
Welding is the process of joining two pieces of metal together by means of electrical, spot, gas etc. with materials gold electrode.
An electrode is a welding material that consists of a standard wire gauge coated with flux used to join two materials together.
Safety precautions
Correct an appropriate workshop overall must be worn.
Safety boots must be worn at all time.
Switch off all equipments before changing of parts.
No equipment should be left unattended to.
Work smart and with 100% concentration.
Tools and their application
Set of spanner: used for loosening and tightening of bolts and nuts.
Hammer: used to remove welding slag from a weld and welding splatter from alongside welding.
Electrode holder: the electrode holder connects to the welding cable and conducts the welding current to the electrode,the insulated handle is used to guide the electrode over welding joints and feed the electrode into the weld puddle as it is consumed.
Try square: used to measure the accurate dimension of a workpiece.
Measuring tape: used to measure the accuracy dimension of a workpiece.
Bench vice: is a mechanical apparatus used to secure an object that is being worked on.
Hack saw: used for cutting metals.
Shear cutter: used for cutting sheet metals and cutting through a maximum deck thickness of 3 mm.
Welding generator: a machine used to generate heat through electrode by regulating (stepping up and stepping down voltage). It has a life terminal and Earth terminal.
Angle grinder: it is machine that has a circular disc attached to it's shaft which rotates at high speed soldiers 2500 RPM the speed varies with the machine and the power supplied to it.
Types of welding
Metal or steel gas welding: is the process of using it generated from burning a fuel gas to join metals together.
Water Welding: is the process of welding at elevated pressure mainly underwater.
Arc welding: is the welding process that is used to join metal to metal by using electricity to create enough heat to melt metal and the melted metals when cooled result in a binding of metals.
Spot welding: is a type of electric resistance welding used to weld various sheet metal products through a process in which contacting metal surface points are joined by the obtained from the resistors of electric current.
Types of electrodes
Mild steel electrode: used for welding of mild steel, galvanised and some low alloy steels.
Cast electrode: electrode having a pure nickel coil wire designed for the welding of cast irons with fire heat.
Aluminum electrode: designed for welding all weldable grade of aluminium with excellent colour match.
Stainless electrode: used for welding of 17/8/3 augtens stainless steels and cladded steels.
Sizes of electrodes.
The welding workshop was really fun to be and I want you all to learn.
Read, enjoy and learn 🤗❤️
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