logo
Logo
Menu

அரசு தொழிற்பயிற்சி நிலையம் - வேப்பலோடை

Welder

Welder 1 Year

Welder

(ENGINEERING TRADE / ONE YEAR / NSQF LEVEL -4)

LEARNING OUTCOME WITH ASSESSMENT CRITERIA

  • Recognize & comply safe working practices, environment regulation and housekeeping.
  • Understand and explain different mathematical calculation & science in the field of study including basic electrical. [Different mathematical calculation & science -Work, Power & Energy, Algebra, Geometry & Mensuration, Trigonometry, Heat & Temperature, elasticity]
  • Interpret specifications, different engineering drawing and apply for different application in the field of work. [Different engineering drawing-Geometrical construction, Dimensioning, Layout, Method of representation, Symbol, Different Projections,Assembly drawing, Sectional views, Estimation of material]
  • Select and measure dimension of components and record data.
  • Explain the concept in productivity, quality tools, and labour welfare legislation and apply such in day to day work to improve productivity & quality.
  • Explain energy conservation, global warming and pollution and contribute in day to day work by optimally using available resources.

PROFESSIONAL SKILL ATTAINED BY THE TRAINEE THROUGH PRACTICAL TRAINING AT ITI’S

  • Explain personnel finance, entrepreneurship and manage/organize related task in day today work for personal & societal growth.
  • Plan and execute the work related to the occupation.
Welder 1 Year

MACHINERIES AND EQUIPMENTS THAT CAN BE HANDLED BY THE TRAINEE

Welding Transformer, DC Arc Welding Rectifiers Set with all accessories, GMAW Welding Machine, (Ac/Dc) GTAW Welding Machine, Portable Gas Cutting Machine, Oxygen, Acetylene Cylinder, CO2 Cylinder, Earth Clamp, C-clamps, Electrode-Holder, Oxygen gas Pressure, Acetylene Gas Pressure.

SPECIFIC OUTCOME OF TRAINEE

  • Set the gas welding plant and join MS sheet in different position. [Different position: - 1F, 2F, 3F, 1G, 2G, 3G.]
  • 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]
  • Set the oxy- acetylene cutting plant and perform different cutting operations on MS plate.
  • [Different cutting operation – Straight, Bevel, circular]
  • 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]
  • 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]
  • 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]
  • Demonstrate arc gouging operation to rectify the weld joints.
  • 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]
  • 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 jointsFillet ( T-joint, lap, Corner), Butt (Square & V); various positions- 1F, 2F, 3F,4F, 1G, 2G, 3G]
  • 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]
  • Perform Aluminium& MS pipe joint by GTAW in flat position.
  • Set the Plasma Arc cutting machine and cut ferrous & non-ferrous metals.
  • Set the resistance spot welding machine and join MS & SS sheet.
  • Perform joining of different similar and dissimilar metals by brazing operation as per standard procedure. [different similar and dissimilar metals- Copper, MS, SS]
  • Repair Cast Iron machine parts by selecting appropriate welding process. [Appropriate welding process-OAW, SMAW]
  • Hard facing of alloy steel components / MS rod by using hard facing electrode.