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WELDER

One Year - Engineering – NSQF Level -3

 

Professional Skill Attained by the trainee through practical training at ITI’s

  • Shielded Metal Arc Welding ( SMAW)
  • Oxy-Acetylene gas Welding (OAW)
  • Oxy-Acetylene Gas Cutting (OAGC)
  • Gas Metal Arc Welding (GMAW)
  • Gas Tungsten Arc Welding (GTAW)
  • Plasma Arc Cutting (PAC)
  • Resistance welding (RW)
  • Inspection &testing
 Specific Learning Outcome from the Trainees
  1. Set the gas welding plant and join MS sheet in different positionfollowing safety precautions. [Different position: – 1F, 2F, 3F, 1G, 2G, 3G.]
  2. Set the SMAW machine and perform different type of joints on MS in different position observing standard procedure. [different types of joints- Fillet ( T-joint, lap & Corner), Butt (Square & V); different position – 1F, 2F, 3F,4F, 1G, 2G, 3G, 4G]
  3. Set the oxy- acetylene cutting plant and perform different cutting operations on MS plate. [Different cutting operation – Straight, Bevel, circular]
  4. Perform welding in different types of MS pipe joints by Gas welding (OAW). [Different types of MS pipe joints – Butt, Elbow, T-joint, angle (45) joint, flange joint]
  5. Set the SMAW machine and perform welding in different types of MS pipe joints by SMAW. [Different types of MS pipe joints – Butt, Elbow, T-joint, angle (45) joint, flange joint]
  6. Choose appropriate welding process and perform joining of different types of metals and check its correctness.[appropriate welding process – OAW, SMAW; Different metal – SS, CI, Brass, Aluminium]
  7. Demonstrate arc gouging operation to rectify the weld joints.
  8. Test welded joints by different methods of testing. [different methods of testing- Dye penetration test, Magnetic particle test, Nick break test, Free band test, Fillet fracture test]
  9. Set GMAW machine and perform welding in different types of joints on MS sheet/plate by GMAW in various positions by dip mode of metal transfer. [different types of joints- Fillet ( T-joint, lap, Corner), Butt (Square & V); various positions- 1F, 2F, 3F,4F, 1G, 2G, 3G]
  10. Set the GTAW machine and perform welding by GTAW in different types of joints on different metals in different position and check correctness of the weld. [different types of joints- Fillet ( T-joint, lap, Corner), Butt (Square & V) ; different metals- Aluminium, Stainless Steel; different position- 1F & 1G]
  11. Perform Aluminium& MS pipe joint by GTAW in flat position.
  12. Set the Plasma Arc cutting machine and cut ferrous & non-ferrous metals.
  13. Set the resistance spot welding machine and join MS& SS sheet.
  14. Perform joining of different similar and dissimilar metals by brazing operation as per standard procedure. [different similar and dissimilar metals- Copper, MS, SS]
  15. Repair Cast Iron machine parts by selecting appropriate welding process. [Appropriate welding process- OAW, SMAW]
  16. Hard facing of alloy steel components/ MS rod by using hard facing electrode.
  17. Read and apply engineering drawing for different application in the field of work.
  18. Demonstrate basic mathematical concept and principles to perform practical operations. Understand and explain basic science in the field of study.
 Machineries and Equipment Handled by the Trainees:
  1. SMAW 2. OAW 3. OAGC 4. GMAW 5. GTAW 6. PAC 7. RW Machines
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