CLASSIFICATION OF WELDING AND ALLIED PROCESSES
CLASSIFICATION OF WELDING AND ALLIED PROCESSES There are different welding, brazing and soldering methods are…
ADVANTAGES AND DISADVANTAGES OF WELDING
ADVANTAGES AND DISADVANTAGES OF WELDING Advantages 1. Welding is more economical and is much faster…
Welding Positions
Welding Positions As shown in Fig., there are four types of welding positions, which are…
General Sheet Metal Operations
General Sheet Metal Operations Shearing It takes place when punch and die are used. The…
COLD EXTRUSION
COLD EXTRUSION Principle of cold extrusion is similar to that of hot extrusion, which has…
CHARACTERISTICS OF COLD WORKING
CHARACTERISTICS OF COLD WORKING The main characteristics of cold working are given as under. 1.…
HOT EXTRUSION
HOT EXTRUSION It is the process of enclosing the heated billet or slug of metal…
Hot Piercing or Seamless tubing
Hot Piercing or Seamless tubing Hot piercing is also known as seamless tubing or roll piercing…
MERITS and DEMERITS OF HOT WORKING
MERITS OF HOT WORKING 1. As the material is above the recrystallisation temperature, any amount…