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DGR/BASIC WELDING (GAS)
Sl.No Chapter Description
1 Introduction Ice Breaking Sessions General discipline in the institute General safety rules to be followed Role of a welder in Industry
2 Importance of Safety What is an Accident? What are the Types of Accidents? What are the causes of Accidents? What is 'First Aid'? What is an Fire Extinguisher? How to Operate a Fire Extinguisher? Mock exercise to extinguish the Fire
3 Joining of Metal Pieces Need to Join Things Method of Joining Materials Method of Joining Metals Classification and Application
4 Introduction to Welding Introduction to Welding Concepts Definition, Application and Advantages Types of Welding and Classification
5 Introduction to Arc Welding Introduction to Arc Welding, Classification Arc Welding - Working Principle Basic Parts of Arc Welding setup, Arc weld terminology Exercises – Identification of Arc welding parts
6 Test 2 / Discussion / Revision Test 2 / Discussion / Revision
7 Introduction to Tools What are tools? State the requirement of Tools State the different tools used in Arc welding Exercise - Identification of Tools
8 Safety in Arc Welding What is the necessity of safety in welding? Safety Clothing and Measures Safety Procedure in Arc Welding
9 Test 3 / Discussion/ Revision Test 3 / Discussion/ Revision
10 Polarity in Arc Welding Different type of polarity in Arc welding Applications of Each Polarity
11 Electrodes in Arc Welding Necessity of Electrode Rod in Arc Welding Different types of Electrode rods used, Striking an Arc
12 Setting up Arc Welding unit Getting ready an Arc welding unit, Adjusting Voltage / Current
13 Test 4 / Discussion/ Revision Test 4 / Discussion/ Revision
14 Types of Weld Joints and Welding Position Different Types of Welding Joints , Positions and Application
15 Weld Symbol and Defects Symbolic representation of Weld and Defects in welding
16 Arc Welding practice Practicing an Arc Weld Fusion run
17 Practical Straight line beads on MS Plate 10 mm flat position, Weaved bead on MS Plate 10mm flat position, Fillet weld inside corner joint on MS Plate 10 mm flat position, Fillet weld tee joint on MS plate 10 mm flat position
18 Practical Fillet weld lap joint on MS plate 10 mm flat position, Butt weld open square butt joint on MS plate 5 mm flat position, Butt weld single V butt joint on MS plate 10 mm flat position, Fillet weld tee joint on MS plate 10 mm horizontal position
19 Practical Butt weld single V butt joint on MS plate 10mm horizontal position, Fillet weld tee joint on MS plate 10 mm vertical position upward, Fillet weld outside corner joint on MS plate 10 mm vertical position, Butt weld single V butt joint on MS plate 10 mm vertical position upward
20 Practical Butt weld single V butt joint on MS plate 0 mm overhead position upward, Pipe butt weld butt joint on MS pipe 50 mm OD, 6 mm WT position 1 G(rolling), Fillet weld pipe flange joint (circulate cutting) MS plate 6 mm, pipe 50 mm, OD 3.15 mm WT position 1 G (rolling)
21 Introduction to Gas Cutting What is Gas Cutting? Introduction to Oxy-Acetylene Gas Cutting Basic Parts of Oxy-Acetylene Gas Cutting Unit
22 Gas Cutting Torch and Nozzle Different cutting torch tips Different nozzle used for cutting Parts and function of cutting torch
23 Flame for Gas Cutting Prepare suitable flame for Gas cutting Start up gas cutting plant List out precautions to be followed during gas cutting Defects in Gas cutting, Gas cutting Safety Procedures
24 Introduction to Tools What are tools? State the requirement of Tools State the different tools used in Gas welding Exercise - Identification of Tools
25 Practical Straight cutting on MS Plate 10mm position flat Circular cutting on MS Plate 10 mm position flat Profile cutting on MS Plate 10mm flat position Profile cutting on MS Plate 16mm flat position Straight and bevel cutting on MS plate 10 mm horizontal position Circular cutting on MS plate 10 mm horizontal position
26 Pratical Profile cutting on MS plate 16 mm horizontal position Profile cutting on MS plate 25 mm horizontal position Straight and bevel cutting on MS plate 10 mm vertical position Circular cutting on MS plate 10 mm vertical position Profile cutting on MS plate 16mm vertical position Profile cutting on MS plate 25 mm vertical position Making a gas cutting joint – 1 on MS plate 16 mm flat position
27 Practical Making a gas cutting joint – 2 on MS plate 16 mm flat position Making a gas cutting joint – 3 on MS plate 16 mm flat position
28 Introduction to MAG /MIG welding Introduction to MAG /MIG welding, MIG Welding Tools and Equipment, Polarity and setting of MIG Welding, Welding joints, Symbol and defects, safety procedures
29 Practical Straight line beads on MS Plate 10 mm position flat Fillet weld Tee and Lap joint on MS plate 10 mm position flat Fillet weld outside corner joint on MS plate 10 mm position flat Corner joint on MS plate 10 mm position flat Butt weld single V butt joint on MS plate 10 mm position horizontal Fillet weld inside corner joint on MS sheet 10 mm position vertical Fillet weld Tee joint on MS plate 10 mm position vertical (upward)
30 Introduction to TIG welding Introduction to Tools, Safety in TIG welding, Polarity in TIG welding Setting up, TIG welding unit, Types of Weld Joints and Welding Position Weld Symbol and Defects
31 Practical Butt joint on MS Sheet 3.15 mm in flat position Fillet weld outside corner joint on MS Sheet 3.15 mm position flat Fillet weld tee joint on MS Sheet 3.15 mm position flat Butt weld square V butt joint on MS Plate 10 mm position flat Butt weld square butt joint on SS Sheet 3.15mm in flat position Fillet weld tee joint on SS Sheet 3.15 mm position flat Fillet weld outside corner joint on SS sheet 3.15mm position flat Butt weld square butt joint on aluminum sheet 3 mm in flat position
ChapterDescriptionDurationHoursDurationMinutes
IntroductionIce Breaking Sessions General discipline in the institute General safety rules to be followed Role of a welder in Industry20
Importance of SafetyWhat is an Accident? What are the Types of Accidents? What are the causes of Accidents? What is 'First Aid'? What is an Fire Extinguisher? How to Operate a Fire Extinguisher? Mock exercise to extinguish the Fire40
Joining of Metal PiecesNeed to Join Things Method of Joining Materials Method of Joining Metals Classification and Application40
Introduction to WeldingIntroduction to Welding Concepts Definition, Application and Advantages Types of Welding and Classification20
Introduction to Arc WeldingIntroduction to Arc Welding, Classification Arc Welding - Working Principle Basic Parts of Arc Welding setup, Arc weld terminology Exercises – Identification of Arc welding parts60
Test 2 / Discussion / RevisionTest 2 / Discussion / Revision20
Introduction to ToolsWhat are tools? State the requirement of Tools State the different tools used in Arc welding Exercise - Identification of Tools60
Safety in Arc WeldingWhat is the necessity of safety in welding? Safety Clothing and Measures Safety Procedure in Arc Welding60
Test 3 / Discussion/ RevisionTest 3 / Discussion/ Revision20
Polarity in Arc WeldingDifferent type of polarity in Arc welding Applications of Each Polarity20
Electrodes in Arc WeldingNecessity of Electrode Rod in Arc Welding Different types of Electrode rods used, Striking an Arc20
Setting up Arc Welding unitGetting ready an Arc welding unit, Adjusting Voltage / Current40
Test 4 / Discussion/ RevisionTest 4 / Discussion/ Revision20
Types of Weld Joints and Welding PositionDifferent Types of Welding Joints , Positions and Application20
Weld Symbol and DefectsSymbolic representation of Weld and Defects in welding40
Arc Welding practicePracticing an Arc Weld Fusion run20
PracticalStraight line beads on MS Plate 10 mm flat position, Weaved bead on MS Plate 10mm flat position, Fillet weld inside corner joint on MS Plate 10 mm flat position, Fillet weld tee joint on MS plate 10 mm flat position160
PracticalFillet weld lap joint on MS plate 10 mm flat position, Butt weld open square butt joint on MS plate 5 mm flat position, Butt weld single V butt joint on MS plate 10 mm flat position, Fillet weld tee joint on MS plate 10 mm horizontal position160
PracticalButt weld single V butt joint on MS plate 10mm horizontal position, Fillet weld tee joint on MS plate 10 mm vertical position upward, Fillet weld outside corner joint on MS plate 10 mm vertical position, Butt weld single V butt joint on MS plate 10 mm vertical position upward160
PracticalButt weld single V butt joint on MS plate 0 mm overhead position upward, Pipe butt weld butt joint on MS pipe 50 mm OD, 6 mm WT position 1 G(rolling), Fillet weld pipe flange joint (circulate cutting) MS plate 6 mm, pipe 50 mm, OD 3.15 mm WT position 1 G (rolling)160
Introduction to Gas CuttingWhat is Gas Cutting? Introduction to Oxy-Acetylene Gas Cutting Basic Parts of Oxy-Acetylene Gas Cutting Unit20
Gas Cutting Torch and NozzleDifferent cutting torch tips Different nozzle used for cutting Parts and function of cutting torch40
Flame for Gas CuttingPrepare suitable flame for Gas cutting Start up gas cutting plant List out precautions to be followed during gas cutting Defects in Gas cutting, Gas cutting Safety Procedures80
Introduction to ToolsWhat are tools? State the requirement of Tools State the different tools used in Gas welding Exercise - Identification of Tools40
PracticalStraight cutting on MS Plate 10mm position flat Circular cutting on MS Plate 10 mm position flat Profile cutting on MS Plate 10mm flat position Profile cutting on MS Plate 16mm flat position Straight and bevel cutting on MS plate 10 mm horizontal position Circular cutting on MS plate 10 mm horizontal position200
PraticalProfile cutting on MS plate 16 mm horizontal position Profile cutting on MS plate 25 mm horizontal position Straight and bevel cutting on MS plate 10 mm vertical position Circular cutting on MS plate 10 mm vertical position Profile cutting on MS plate 16mm vertical position Profile cutting on MS plate 25 mm vertical position Making a gas cutting joint – 1 on MS plate 16 mm flat position200
PracticalMaking a gas cutting joint – 2 on MS plate 16 mm flat position Making a gas cutting joint – 3 on MS plate 16 mm flat position120
Introduction to MAG /MIG weldingIntroduction to MAG /MIG welding, MIG Welding Tools and Equipment, Polarity and setting of MIG Welding, Welding joints, Symbol and defects, safety procedures60
PracticalStraight line beads on MS Plate 10 mm position flat Fillet weld Tee and Lap joint on MS plate 10 mm position flat Fillet weld outside corner joint on MS plate 10 mm position flat Corner joint on MS plate 10 mm position flat Butt weld single V butt joint on MS plate 10 mm position horizontal Fillet weld inside corner joint on MS sheet 10 mm position vertical Fillet weld Tee joint on MS plate 10 mm position vertical (upward)200
Introduction to TIG weldingIntroduction to Tools, Safety in TIG welding, Polarity in TIG welding Setting up, TIG welding unit, Types of Weld Joints and Welding Position Weld Symbol and Defects60
PracticalButt joint on MS Sheet 3.15 mm in flat position Fillet weld outside corner joint on MS Sheet 3.15 mm position flat Fillet weld tee joint on MS Sheet 3.15 mm position flat Butt weld square V butt joint on MS Plate 10 mm position flat Butt weld square butt joint on SS Sheet 3.15mm in flat position Fillet weld tee joint on SS Sheet 3.15 mm position flat Fillet weld outside corner joint on SS sheet 3.15mm position flat Butt weld square butt joint on aluminum sheet 3 mm in flat position200