Unit : 3 p p
Joining Processes: Welding
p p
Prof. Aniket B.Pawar Mecha
p p p
nical Engineering Department
p p
RAJARAMBAPU INSTITUTE OF TECHNOLOGY, RAJARAMNAGAR
p p p p
, Content
➢ Welding processes:
p
➢ Arc, TIG, MIG.
p p
➢ Submerged arc welding.
p p
➢ Resistance welding.
p
➢ Brazing and Soldering.
p p
➢ Welding Defects.
p
, Welding
It is the process of joining two or more similar or dissimilar metals with or without th
p p p p p p p p p p p p p p p p
e application of heat, with or without the application of pressure, with or without th
p p p p p p p p p p p p p p
e application of filler materials.
p p p p
WELDING
FUSION WELDING p NON FUSION OR PRESSURE
p p p
GAS ARC CHEMICAL HOT COLD
GAS WELDING
p OXY – ACETYLENE, AIR - ACETYLENE
p p p p p
ARC WELDING
p
TIG, MIG, SUBMERGED ARC, ELECTROSLAG WELDING
p p p p p
CHEMICAL THERMIT WELDING p
HOT NON FUSION
p p
SOLDERING, BRAZING, RESSITANCE WELDING
p p p
COLD NON FUSION
p p
CRYOGENIC WELDING, COLD PRESSURE WELDING
p p p p
, Welding
CLASSIFICATION BASED ON FILLER MATERIALS p p p p
AUTOGENEOUS No filler metal is added to the joint interface EX
p p p p p p p p p p
– Electric Resistance Welding
p p p
HOMOGENEOUS Filler metal is added & it is similar to parent metal
p p p p p p p p p p
EX – Arc Welding, Electron Beam Welding & Diffusion Welding
p p p p p p p p p
HETROGENEOUS Filler metal is added but it is different to parent metal EX
p p p p p p p p p p p p
– Brazing & Soldering
p p p
Joining Processes: Welding
p p
Prof. Aniket B.Pawar Mecha
p p p
nical Engineering Department
p p
RAJARAMBAPU INSTITUTE OF TECHNOLOGY, RAJARAMNAGAR
p p p p
, Content
➢ Welding processes:
p
➢ Arc, TIG, MIG.
p p
➢ Submerged arc welding.
p p
➢ Resistance welding.
p
➢ Brazing and Soldering.
p p
➢ Welding Defects.
p
, Welding
It is the process of joining two or more similar or dissimilar metals with or without th
p p p p p p p p p p p p p p p p
e application of heat, with or without the application of pressure, with or without th
p p p p p p p p p p p p p p
e application of filler materials.
p p p p
WELDING
FUSION WELDING p NON FUSION OR PRESSURE
p p p
GAS ARC CHEMICAL HOT COLD
GAS WELDING
p OXY – ACETYLENE, AIR - ACETYLENE
p p p p p
ARC WELDING
p
TIG, MIG, SUBMERGED ARC, ELECTROSLAG WELDING
p p p p p
CHEMICAL THERMIT WELDING p
HOT NON FUSION
p p
SOLDERING, BRAZING, RESSITANCE WELDING
p p p
COLD NON FUSION
p p
CRYOGENIC WELDING, COLD PRESSURE WELDING
p p p p
, Welding
CLASSIFICATION BASED ON FILLER MATERIALS p p p p
AUTOGENEOUS No filler metal is added to the joint interface EX
p p p p p p p p p p
– Electric Resistance Welding
p p p
HOMOGENEOUS Filler metal is added & it is similar to parent metal
p p p p p p p p p p
EX – Arc Welding, Electron Beam Welding & Diffusion Welding
p p p p p p p p p
HETROGENEOUS Filler metal is added but it is different to parent metal EX
p p p p p p p p p p p p
– Brazing & Soldering
p p p
