Vskills has developed a new strategic framework for Skill Development for early school leavers and existing workers, especially in the unorganized sector to improve their employability called Trade Employable Skills (TES).

Trade Employable Skills does effective assessment and certification of candidates in different trade disciplines like Electrical, Electronics, Agriculture, Chemical, Automobile, IT, etc to make them job ready.

Why should one take this certification?

To demonstrate clear understanding and practical aspects and to get a visible recognition for this knowledge.

Table of Content

https://www.vskills.in/certification/Vskills-Certified-MAG-or-CO2-Welding-Operator-Table-of-Content

Practice Test

https://www.vskills.in/test/

Companies that hire MAG / CO2 Welding Operator

All small and medium companies need certified employees who have the requisite skills. There are more jobs opening up in the economy on a regular basis with the fast growth of the country.

Apply for Certification

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We accept Visa/Master/Amex cards and all Indian Banks Debit Cards. There is no need to fill application form in case you are paying online.

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TABLE OF CONTENT

 


CO2 welding equipment and process

  • Difference between shielded mental arc welding and CO2 welding
  • The principal of CO2 welding

CO2 welding equipment and accessories

  • Curve A
  • Touch assembly
  • Curve B
  • Control system
  • Wire reel
  • Wire feel drive motor

Setting up of GMA welding machine

  • Direct current electrode positive(DCEP)
  • Direct current electrode negative (DCEN) or DCSP
  • Wire feeder and  drive unit
  • GAM/CO2 welding torch-welding gun
  • Smoke extracting torch system
  • Shutting down the plant

Advantages ,disadvantages of CO2 welding over SMAW process and application of CO2 welding

  • Advantages
  • Disadvantages
  • Application of Co2 welding process

Base metal preparation and types of metal transfer in GMAW/ Co2

  • Base metal preparation
  • Globular transfer
  • Short circuit transfer (DIP transfer)
  • Spray transfer
  • Electrode
  • Types of metal transfer
  • Welding current
  • Arc travel speed
  • Stick out
  • Arc voltage
  • Welding procedure
  • Electrode position
  • Welding position
  • Safety in GMA welding / Co2 welding

Straight line beading on MS plate in flat position

  • Preparing the metal surface
  • Welding method
  • Welding of different joints in the flat position by GMAW / Co2 welding
  • Fillet weld on a lap joint
  • Fillet welt on tee joint – flat position
  • Groove weld on a butt joint – flat position

Welding Wires used for Co2 welding in application

  • Chemical properties
  • Chemical composition, Weight percent

Wire feed system – Difficulties

  • Drive rolls and wire guide tubes

Shielding gases for GMA welding

  • Argon Carbon dioxide
  • Argon – oxygen

Laying straight line beads and welding T fillet joint in horizontal position

  • Suggested gases and gas mixture for use in GMAW short circuiting transfer

Welding joints in vertical position

  • Groove weld but joint – vertical up – uphill motion

Burn – off characteristics of filler wire in Co2 welding

  • Principle of self regulating arc length in GMAW/Co2

Flux cored arc welding

  • Metal transfer in FCAW
  • Classification of flux cored wires

GMA narrow gap welding

Weld defects, causes and remedies in Co2 welding / GMAW

  • Troubleshooting Welding condition and defects
“Exam scheduling to be done through user account” / “Exam once scheduled cannot be cancelled”
Date of Examination
05-Aug-2017
06-Aug-2017
19-Aug-2017
20-Aug-2017
03-Sep-2017
16-Sep-2017
17-Sep-2017
07-Oct-2017
08-Oct-2017
21-Oct-2017
22-Oct-2017
05-Nov-2017
Examination Time
01:00 PM - 02:00 PM
02:30 PM - 03:30 PM
04:00 PM - 05:00 PM
05:30 PM - 06:30 PM
10:00 AM - 11:00 AM
11:30 AM - 12:30 PM

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Tags: welding, welding operator, co2 welding,