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Employability Skills - 1st Year
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Welder (GMAW & GTAW) - (Set - 1)
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Welder (GMAW & GTAW) - (Set - 2)
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Welder (GMAW & GTAW) - (Set - 3)
| S.No. | Week No. / Chapter | Topics | Videos Link |
|---|---|---|---|
| 1 | 1 Week | Importance of trade Training. General discipline in the Institute | https://www.youtube.com/watch?v=zDXhQFBgLTQ |
| 2 | 1 Week | Elementary First Aid. | https://www.youtube.com/watch?v=X9AaTk8YlVM |
| 3 | 1 Week | Importance of Welding in Industry | https://www.youtube.com/watch?v=wXA-ULF8FEw |
| 4 | 1 Week | Safety precautions in Shielded Metal Arc Welding, | https://www.youtube.com/watch?v=rsBXTRJJvVA |
| 5 | 2 Week | Introduction and definition of welding. . | https://www.youtube.com/watch?v=0PYqceXZ2F8 |
| 6 | 2 Week | Gas Welding Equipments, tools and accessories | https://www.youtube.com/watch?v=BLRbYO3yAW4 |
| 7 | 2 Week | Arc Welding Equipments, tools and accessories | https://www.youtube.com/watch?v=zV16K4bI5hE |
| 8 | 2 Week | Various Welding Processes and its applications. | https://www.youtube.com/watch?v=_xPlocjTyas |
| 9 | 2 Week | Arc and Gas Welding terms and definitions. | https://www.youtube.com/watch?v=0upea4JIotE |
| 10 | 3 Week | Different process of metal joining methods: Bolting, riveting, soldering, brazing, seaming etc. | https://www.youtube.com/watch?v=FIjudBE1KnY |
| 11 | 3 Week | Types of welding joints and its applications. | https://www.youtube.com/watch?v=JhGYPvJYVQw |
| 12 | 3 Week | Edge preparation and fit up for different thickness. Surface Cleaning | https://www.youtube.com/watch?v=Bk16izPuN0g |
| 13 | 4 Week | Basic electricity applicable to arc welding and related electrical terms &definitions. | https://www.youtube.com/watch?v=qcOnF1ASzCU |
| 14 | 4 Week | Heat and temperature and its terms related to welding | https://www.youtube.com/watch?v=trTQfNZWSf4 |
| 15 | 4 Week | Principle of arc welding | https://www.youtube.com/watch?v=OJQra1bFmEQ |
| 16 | 4 Week | characteristics of arc | https://www.youtube.com/watch?v=1N-ilrraGZM |
| 17 | 5 Week | Common gases used for welding & cutting, flame temperatures and uses. - Chemistry of oxy-acetylene flame. - Types of oxy-acetylene flames and uses. - | https://www.youtube.com/watch?v=BVHhHnhdj-M |
| 18 | 5 Week | Oxy-Acetylene Cutting Equipment principle, parameters and application | https://www.youtube.com/watch?v=NgTGrMdJoks |
| 19 | 6 Week | Arc welding power sources: Transformer | https://www.youtube.com/watch?v=HymnC5Pdrn0 |
| 20 | 6 Week | Rectifier Set | https://www.youtube.com/watch?v=eDpFJ6IcH4E |
| 21 | 6 Week | Invertor type welding Machine | https://www.youtube.com/watch?v=5jaHASNoHZE |
| 22 | 6 Week | Advantages and disadvantages of A.C. and D.C. welding machines | https://www.youtube.com/watch?v=DZ6B8Ed2FLg |
| 23 | 7 Week | Welding positions as per EN &ASME : flat, horizontal, vertical and over head position. | https://www.youtube.com/watch?v=9qwbaWM7bzc |
| 24 | 7 Week | Weld slope and rotation | https://www.youtube.com/watch?v=Jl2WNI9cZls |
| 25 | 7 Week | Welding symbols as per BIS & AWS | https://www.youtube.com/watch?v=FbWo3QRJepI |
| 26 | 8 Week | Arc length – types – effects of arc length. | https://www.youtube.com/watch?v=urMbbw6dRpY |
| 27 | 8 Week | Polarity: Types and applications | https://www.youtube.com/watch?v=g8t93rfsDL4 |
| 28 | 8 Week | Weld quality inspection, common welding mistakes and appearance of good and defective welds | https://www.youtube.com/watch?v=DNcNX5wTxw0 |
| 29 | 8 Week | Weld gauges & its uses | https://www.youtube.com/watch?v=av3KU1dCfek |
| 30 | 9 Week | Calcium carbide properties and uses. | https://www.youtube.com/watch?v=X9Fi7QsqN98 |
| 31 | 9 Week | Acetylene gas properties and generating methods. - | https://www.youtube.com/watch?v=Sr76Cg8wMj0 |
| 32 | 9 Week | Acetylene gas Purifier | https://www.youtube.com/watch?v=LIQbIpr8uTo |
| 33 | 9 Week | Hydraulic back pressure valve | https://www.youtube.com/watch?v=PtYfiJi4YE0 |
| 34 | 10 Week | Oxygen gas and its properties | https://www.youtube.com/watch?v=-BfegIT7ClM |
| 35 | 10 Week | Production of oxygen by Air liquefaction | https://www.youtube.com/watch?v=rYDBASubIdk |
| 36 | 10 Week | Charging process of oxygen and acetylene gases | https://www.youtube.com/watch?v=9rmh3JXj8Zw |
| 37 | 10 Week | Oxygen cylinder, Dissolved Acetylene gas cylinders , Color coding for different gas cylinders | https://www.youtube.com/watch?v=4GK4S2ZCcv0 |
| 38 | 10 Week | Gas regulators, types and uses. | https://www.youtube.com/watch?v=Xy7LqRc7K5Q |
| 39 | 11 Week | Oxy acetylene gas welding Systems (Low pressure and High pressure) | https://www.youtube.com/watch?v=6e5PEUHqGGE |
| 40 | 11 Week | Difference between gas welding blow pipe(LP & HP) and gas cutting blow pipe | https://www.youtube.com/watch?v=LqbRJAJFvNc |
| 41 | 11 Week | Gas welding techniques. Leftward | https://www.youtube.com/watch?v=2EdakwNY4SE |
| 42 | 11 Week | Gas welding techniques. Rightwar | https://www.youtube.com/watch?v=p1p8EwrM8eY |
| 43 | 12 Week | Arc blow – causes and methods of controlling. | https://www.youtube.com/watch?v=ZyHOCDE23KQ |
| 44 | 12 Week | Distortion in arc & gas welding and methods employed to minimize distortion | https://www.youtube.com/watch?v=Cl8Ilbxa2jo |
| 45 | 12 Week | Arc Welding defects, causes and Remedies. | https://www.youtube.com/watch?v=_e-3PJXVfGU |
| 46 | 12 Week | Arc Welding defects, causes and Remedies. | https://www.youtube.com/watch?v=yjBhZ3rXpRg |
| 47 | 13 Week | Specification of pipes | https://www.youtube.com/watch?v=LH0I5DrwrXQ |
| 48 | 13 Week | various types of pipe joints | https://www.youtube.com/watch?v=wjlAFq3vKxs |
| 49 | 13 Week | pipe welding all positions, and procedure | https://www.youtube.com/watch?v=7663J0weqNA |
| 50 | 13 Week | Difference between pipe welding and plate welding | https://www.youtube.com/watch?v=9qwbaWM7bzc |
| 51 | 14 Week | Pipe development for Elbow joint, | https://www.youtube.com/watch?v=a2PTTiE8CHA |
| 52 | 14 Week | Pipe development “T” joint | https://www.youtube.com/watch?v=Ch8rWglV0jA |
| 53 | 14 Week | Pipe development Y joint | https://www.youtube.com/watch?v=ueCx6lmqJD4 |
| 54 | 14 Week | Pipe development for branch joint | https://www.youtube.com/watch?v=ZhbOH2LjfW8 |
| 55 | 14 Week | Manifold system | https://www.youtube.com/watch?v=ibUJYEu3cpU |
| 56 | 15 Week | Gas welding filler rods, specifications and sizes. | https://www.youtube.com/watch?v=iXi_lg9tO_4 |
| 57 | 15 Week | Gas welding fluxes – types and functions | https://www.youtube.com/watch?v=lDFasgWmMZQ |
| 58 | 15 Week | Gas Brazing & Soldering : principles, types fluxes & uses | https://www.youtube.com/watch?v=0v2SNH_ho08 |
| 59 | 15 Week | Gas welding defects, causes and remedies | https://www.youtube.com/watch?v=yjBhZ3rXpRg |
| 60 | 16 Week | Electrode types, functions of flux, coating factor, sizes of electrode | https://www.youtube.com/watch?v=3Y60QBc5jeg |
| 61 | 16 Week | Coding of electrode as per BIS, AWS | https://www.youtube.com/watch?v=ZDWyvLxMv4g |
| 62 | 16 Week | Effects of moisture pick up. - Storage and baking of electrodes | https://www.youtube.com/watch?v=B2w_CcHSZJo |
| 63 | 16 Week | Special purpose electrodes and their applications. | https://www.youtube.com/watch?v=B7WOw-sC9yo |
| 64 | 17 Week | Weldability of metals | https://www.youtube.com/watch?v=SYx9_K6Bwu8 |
| 65 | 17 Week | importance of pre heating, post heating and maintenance of inter pass temperature. | https://www.youtube.com/watch?v=Cs7NJlo5_ss |
| 66 | 18 Week | Classification of steel. - Welding of low, medium and high carbon steel and alloy steels. | https://www.youtube.com/watch?v=5LqDVx8P1Oc |
| 67 | 18 Week | Classification of steel. - Welding of low, medium and high carbon steel and alloy steels. | https://www.youtube.com/watch?v=pezRZmIb9ig |
| 68 | 19 Week | Effects of alloying elements on steel - Stainless steel : types- weld decay and weldability | https://www.youtube.com/watch?v=9Gqmxsdlhgs |
| 69 | 20 Week | Brass – types – properties and welding methods. | https://www.youtube.com/watch?v=HhegaIQ-gjE |
| 70 | 20 Week | Copper – types – properties and welding methods. | https://www.youtube.com/watch?v=xzaV7MD3cy4 |
| 71 | 21 Week | Aluminium and its alloys, properties and weldability, Welding methods | https://www.youtube.com/watch?v=43ap0j7j2mo |
| 72 | 21 Week | Arc cutting & gouging, | https://www.youtube.com/watch?v=E3TMcX4Clvk |
| 73 | 22 Week | Cast iron and its properties types. | https://www.youtube.com/watch?v=9sYgX5XBZG4 |
| 74 | 22 Week | Welding methods of cast iron. | https://www.youtube.com/watch?v=KK-ij6R0Yxg |
| 75 | 23 Week | Outline of the subjects to be covered | http://www.cstaricalcutta.gov.in/images/CTS%20Welder%20(Pipe)%20NSQF.pdf |
| 76 | 23 Week | Safety precautions pertaining to GTAW & GMAW. | https://youtu.be/eaSkfrArmnU |
| 77 | 24 Week | Introduction to GMAW – equipment – accessories | https://youtu.be/7nSa0xa_87c |
| 78 | 24 Week | Various names of the process.(MIG-MAG/ CO2 WELDING, FCAW). | https://youtu.be/Fij5XHP9FuA |
| 79 | 24 Week | Advantages & Limitations. | https://youtu.be/AaZqgqWygec |
| 80 | 25 Week | Power source & accessories Wire Feed unit. | https://youtu.be/AMTCJbTm-NU |
| 81 | 25 Week | Types of shielding gases & advantages. | https://youtu.be/ydHKom2uJHs |
| 82 | 26 Week | Welding Gun & its parts. | https://youtu.be/IA7xMdaoOzc |
| 83 | 26 Week | Modes of metal transfer - Dip, Globular, spray &pulsed transfer and its significance. | https://youtu.be/6MFwFr1QKKk |
| 84 | 27 Week | Flux cored arc welding. | https://youtu.be/c7V218QVtpk |
| 85 | 27 Week | Welding wire types and specification. | https://youtu.be/F_jY837KZg0 |
| 86 | 27 Week | Welding wire types and specification. | https://youtu.be/shFzEy9xAJ0 |
| 87 | 28 Week | Trouble shooting in MIG welding. | https://youtu.be/6Azj6-yhndk |
| 88 | 28 Week | Data and Tables related to CO2 welding. | https://youtu.be/GvUPN_kFgdE |
| 89 | 29 Week | Reading of Welding procedure specifications ( WPS ). | https://youtu.be/tRGeQdhx1Fc |
| 90 | 29 Week | Reading of Procedure qualification Record (PQR) | https://youtu.be/sIhEVa5iDnM |
| 91 | 30 Week | Types of weld defects, causes and remedy in GMAW process | https://youtu.be/YUWhHl2Gnn8 |
| 92 | 30 Week | Introduction to GTAW welding | https://youtu.be/2Xt-N3SPvmg |
| 93 | 30 Week | Various names of the process.(TIG, Argon arc welding). | https://youtu.be/RyZVkGdfkDU |
