Tig Welding process and equipment

• Introduction to TIG Welding
• TIG welding equipment
• Gas regulator, flow meter

Advantages and Disadvantages of TIG welding process

• Advantage of TIG Welding
• Disadvantages of TIG Welding
• Advantage of TIG welding process

GTAW Safety

• Electrical current
• Welding environment safety rules

Power sources of TIG welding – types, applications – care and maintenance

• Power sources for GTAW
• Type machine
• Types of sources
• Alternating current transformers
• Alternating current transformers/direct current rectifiers

High frequency unit and DC suppressor unit

• High frequency unit (HF unit)
• Care and maintenance of HF unit
• DC suppressor
• Care and maintenance of DC suppressor

Properties and uses of argon and helium gas – ceramic shield

• Shield gases
• Inter gases
• Properties of argon and helium gas
• Gases for TIG welding of aluminium Argon gas
• Low arc voltage
• Arc stability
• Low gas overhead welding
• Automatic welding
• Welding dissimilar metals
• Helium
• High arc voltage
• Small heat affected zone
• Automatic welding
• Aluminium bronze
• Cobalt base alloys
• Cupro-Nickel
• Deoxidised copper
• Inconel
• Low carbon steel
• Magnesium alloys
• Maraging steels
• Monel
• Gas lens

Tungsten electrodes – types – uses

• Tungsten electrodes
• Electrodes of four different types are used
• Tungsten with 1-2% of thorium oxide
• Tungsten with 0.3 – 0.5% zirconium
• For edge welds
• For edge welds
• Current density
• Electrode condition

Types of polarity and its application

• DC power sources
• AC power sources

Aluminum Welding by TIG process

• Base metals and filler alloys
• Preheating aluminium
• Welding of fillet joint
• Advantages of argon arc welding
• Limitation of argon arc welding
• Base materials
• Wrought material identification
• Heat Treatable
• Join preparation for welding aluminium
• Pre-weld cleaning
• Chemical cleaning
• Mechanical Cleaning
• Welding of stainless steel by TIG process
• Welding techniques Melt in mode
• Post weld heat treatment (PWHT)
• Fillet lap joint on stainless steel
• Square butt joint on stainless steel sheet
• Butt joining of stainless steel sheets
• Square butt joint on stainless steel tubes

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Tig-Welder