Diploma in Welding Technology
*Module 1: Introduction to Welding Technology*
- *History of Welding*: Evolution of welding techniques and their industrial applications.
- *Basic Metallurgy*: Properties of metals (ferrous/non-ferrous), alloys, and heat treatment.
- *Welding Safety*: PPE (Personal Protective Equipment), hazard identification, and OSHA standards.
- *Welding Symbols & Blueprints*: Interpretation of engineering drawings and welding symbols (AWS/ISO standards).
*Module 2: Welding Processes & Techniques*
- *Arc Welding (SMAW)*: Shielded Metal Arc Welding (electrodes, equipment, and techniques).
- *MIG/MAG Welding (GMAW)*: Gas Metal Arc Welding (wire feed, shielding gases, applications).
- *TIG Welding (GTAW)*: Gas Tungsten Arc Welding (precision welding for stainless steel, aluminium).
- *Oxy-Fuel Welding & Cutting*: Gas welding, brazing, and cutting (oxy-acetylene).
- *Resistance Welding*: Spot welding, seam welding, and projection welding.
*Module 3: Advanced Welding Methods*
- *Submerged Arc Welding (SAW)*: Automated welding for heavy industries.
- *Plasma Arc Welding (PAW)*: High-precision welding for aerospace and electronics.
- *Friction Stir Welding (FSW)*: Solid-state welding for aluminium and composites.
- *Laser & Electron Beam Welding*: Advanced techniques for high-tech industries.
*Module 4: Materials Science & Weldability*
- *Weldability of Metals*: Carbon steel, stainless steel, aluminium, titanium, and cast iron.
- *Welding Defects*: Porosity, cracks, distortion, and remedies.
- *Corrosion & Prevention*: Galvanic corrosion, coatings, and material selection.
*Module 5: Welding Inspection & Quality Control*
- *Non-Destructive Testing (NDT)*:
- Visual Inspection (VT)
- Ultrasonic Testing (UT)
- Radiographic Testing (RT)
- Magnetic Particle Testing (MT)
- Liquid Penetrant Testing (PT)
- *Destructive Testing*: Tensile tests, bend tests, and impact tests.
- *Quality Standards*: AWS (American Welding Society), ASME, and ISO certifications.
*Module 6: Welding Codes & Standards*
- *AWS D1.1*: Structural welding code for steel.
- *ASME Section IX*: Welding qualifications for pressure vessels and piping.
- *ISO 9606*: International standards for welder qualification.
*Module 7: Automation & Robotics in Welding*
- *Welding Robots*: Programming and operation of robotic welding systems.
- *CNC Welding*: Computer Numerical Control applications in welding.
- *Industry 4.0*: IoT, sensors, and AI in welding automation.
*Module 8: Professional Practices*
- *Project Management*: Cost estimation, time management, and resource planning.
- *Workshop Practices*: Tool maintenance, equipment calibration, and workspace organization.
- *Career Skills*: Resume building, interview preparation, and workplace ethics.
*Electives (Choose 1–2)*
- *Pipeline Welding*: Techniques for oil, gas, and water pipelines.
- *Underwater Welding*: Hyperbaric welding methods and safety protocols.
- *Additive Manufacturing (3D Printing) *: Welding in metal 3D printing.
*Practical Training*
- *Lab Sessions*: Hands-on practice with SMAW, GMAW, GTAW, and oxy-fuel welding.
- *Workshops*: Fabrication projects (e.g., structural joints, pressure vessels).
- *Industry Visits*: Exposure to manufacturing plants, shipyards, or construction sites.
*Capstone Project*
- Design, fabricate, and inspect a welded structure (e.g., bridge component, pipeline section).
- Documentation of the process, including NDT reports and cost analysis.
*Internship (Optional)*
- 4–8 weeks in industries like automotive, construction, aerospace, or oil and gas.
*Assessment Methods*
- *Practical Exams*: 50% (welding tests, joint inspections).
- *Theory Exams*: 30% (metallurgy, codes, safety).
- *Projects & Reports*: 20%.
*Resources & Tools*
- *Software*: AutoCAD (for blueprint reading), welding simulation tools.
- *Equipment*: Welding machines, plasma cutters, NDT kits.
- *Textbooks: *“Welding Principles and Applications” by Larry Jeffus, “Metallurgy Fundamentals” by Daniel A. Brandt.