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    Certified Junior Welder

    BY
    Vskills

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    Mode

    Online

    Fees

    ₹ 3499

    Quick Facts

    particular details
    Medium of instructions English
    Mode of learning Self study
    Mode of Delivery Video and Text Based

    Course and certificate fees

    Fees information
    ₹ 3,499
    certificate availability

    Yes

    certificate providing authority

    Vskills

    The syllabus

    Types of welding processes and application

    Oxy-acetylene welding plant- description, operating procedures, safety
    • Safety precautions in handing oxy-acetylene gas welding plant
    • Flashback and backfire

    Types of oxy-acetylene flames and their uses

    • Types of metals and Charcteristice
    • Properties of metals
    • Identification of different metals in workshop tests and their characteristics
    • Chemistry of oxy-acetylene flame
    • Gases used for welding and gas flame combinations

    Basic electricity as applied to welding

    • Shielded metal arc welding, its advantages and limitations
    • Arc welding machines
    • Arc welding accessories and tools

    Safety precautions in manual metal arc welding

    • Principle of welding arc, its characteristics and Arc length
    • Arc length and its effects
    • Metal transfer across the arc (Characteristics of arc)

    Welding technique of oxy-acetylene welding

    • Rightward technique of oxy-acetylene gas welding
    • Filler rods used in gas welding
    • Filler rods for gas welding

    Welding regulator

    • Welding blowpipe

    Types of welding joints and edge preparations

    • Types of welds
    • Methods of cleaning the base metals before welding
    • Edge preparation
    • Welding positions and their significance

    Principle of oxy Acetylene cutting process

    • Oxy-acetylene cutting equipment and selection of blow pipe size pressure setting for various thicknesses of MS plates

    Polarity in DC Arc welding – types and application

    • Types and functions of smaw electrodes and coating factor
    • MS Welding Electrodes
    • Coding of SMAW electrodes as per BIS/AWS

    Choice and storage of electrodes

    Metal and their Weldability

    Soldering, brazing

    Silver soldering

    • Faults in gas welding
    • Weld defects- Causes and remedies
    • Defects in Arc welding – its effect
    • Defects in Arc welding – definition, causes and remedies

    Arc blow and its control

    Distortion and methods of control

    • Distortion in gas welding

    Necessity of preheating and post heating while welding alloy steels

    • Welding of low, medium and high carbon steels by arc
    • Welding method of low carbon steel and medium carbon steel

    Inspection and testing of welding

    • Effect of variations in welding procedure on the welds in SMAW
    • Methods of Non- destructive tests
    • Destructive test

    Arc power source, AC Transformers, DC welding generator, DC welding rectifiers and features

    • Advantage and disadvantages of AC and DC welding

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