Table of Content
Steel rule
- Scriber
- Punches
- Centre punch
- Prick punch
- Dot punch
- Hammer
- Major parts of a hummer
- Face
- Peen or pein
- Cheek
- Eye hole
- Specification
- Before using a hammer
- Bench vice
- Chisel
- Parts of a chisel
- Clamps
- Types of clamps used
- Uses of different types of clamp
- Hacksaw frame and blade
- Types of hacksaw frames
- Solid frame
- Adjustable frame (flat type)
- Adjustable frame (tubular type)
- Hacksaw blades
- Types of hacksaw blades
- Flexible blades
- Pitch of the blade setting of the saw
- Staggered set
- Parts of a file
- Tip or point
- Edge
- Heel
- Shoulder
- Tang
- Handle
- Ferrule
- Materials
- Cleaning of files
- Method of removing pinning
- Try square
- Uses
- Wing compass
- Snips
- Mallet
- Ordinary
- Punches used for producing holes
High pressure oxy – acetylene welding
- Oxygen gas cylinders
- Dissolved acetylene cylinders
- Oxygen pressure regulator
- Acetylene regulator
- Rubber hose-pipes and connections
- Safety precautions in handing oxy-acetylene gas welding plants
- General safety precautions
- Gas welding hand tools
- Double ended spanner
- Cylinder key
- Nozzle or tip cleaner
- Cleaning the tip
- Tip cleaner
- Chipping hammer
- Carbon steel wire brush
- Tongs
- Types of oxy – acetylene flames
- CHARACTERISTICS AND ANDUSES
- Neutral flame
- Uses
- Oxidizing flame
- Uses
- Carburizing flame
- Filler rods for gas welding
- Filler rod and its necessity
- Filler rods used in gas welding
- Definition of filler rod
- Types of filler rods
- Care and maintenance
- Distortion in gas welding
- Definition
- Longitudinal distortion
- Angular distortion
Weld defects – causes and remedies
- Weld symbol and welding symbol – description and uses
- Arrow
- Root opening and groove angle
- Contour and finish symbols
- Welding
- Dimensions and other details
- Importance of welding in industry
- Advantages of welding over other methods of joining
- Metals
- Advantages of welding
- Power sources of TIG welding – types, application – care and maintenance
- Power sources for GTAW
- Types of power sources
- Alternating current transformers
- Direct current rectifies
- High frequency unit and DC suppressor unit
- High frequency unit (HF unit)
- Care and maintenance of HF unit
- DC suppressor
- Suppression of the D.C component in the a.c. arc
- Care and maintenance of DC suppressor
- Properties and uses of Argon and helium gas - Ceramic shield
- Shielding gases
- Properties of argon and helium gas
- Gases for TIG welding of aluminium Argon gas
- Argon
- Low gas volume
- Vertical and overhead welding
- Automatic welding
- Welding dissimilar metals
- Helium
- Small heat affected zone
- His gas volume
- Thick work mental
- Automatic welding
- Aluminium bronze
- Brass
- Cobalt base alloys
- Cupro-Nickel
- Deoxidized copper
- Low carbon steel
- Magnesium alloys
- Molybdenum 0.5 Ti alloy
- Monel
- Nickel alloys
- Welder
- PH stainless steel
- Silicon bronze
- Silicon steels
- Titanium alloys
- Ceramic shields/nozzles
- Gas lens
Apply for Certification
https://www.vskills.in/certification/Vskills-Certified-Gas-Welding-Operator