Lesson no.20 Electric welding, Arc welding Hindi

 Engineering drawing mein Fabrication   Sector hota hai is sector mein Arc welding,   Electric welding iss tarah type hote hai 

1) Arc welding: - iss mein karigar  electroade ki madat se two point ko joda jata hai iss ke liye karigar electric transformer ki madat se welding kiya jata hai iss mein welding torch hota hain iss welding ke liye lighter, Goggle, electric road etc.

Types of joint

1) Tap Joint

2) Lap Joint

3) T Joint 

4) Corner Joint 

Iss tarah ke joint ka upyog karke welding ms structure pe kiya jata hai

2) Gas welding :- Oxigen ke saath Supply kiya jata hai  filter material ko melt kiya jata hai 

Gas welding ke liye equipment required hote hai

1) Oxigen cylinder 

2) cylinder manifold

3) Sefty volve

4) Hose pipe 

5) Cylinder Trolly etc.