How to do Arc Welding | Butt Joint | Steps involved in making butt joint by Arc Welding | NEC MECH

This video will give you information about the procedure of making BUTT Joint using Arc Welding
Thanks to Mr. Balasubramani, Welder, National Engineering College, Kovilpatti, Tamilnadu
College website: www.nec.edu.in
Arc Welding
Electric arc welding is widely used to join metal plates using a filler rod. The filler rod (welding rod) melts on the electric arc produced and plates.
Arc Welding Procedure
1. The surface to be welded is cleaned and the edges of the plate may be filed for perfect joint and more strength.
2. The welding rod is held in the electrode holder and the wound clamp is clamped to the plate to be welded.
3. The electric arc produced melts the welding rod and joins the two metal plates. Maintain a gap of 3 mm between the plate and the welding rod.
4. Complete the welding process by removing slag. using chipping hammer.
Tools required:
• Welding power supply • Flat file
• Welding rod • Chipping hammer
• Electrode holder • Wire brush
• Gloves and apron • Earthing clamps
• Shield and goggles Procedure:
1. First of all, the work pieces must be thoroughly cleaned to remove rust, scale and other foreign materials.
2. Then the given work pieces are placed on the table in such a way that one work piece is placed on the other work piece like the LAP joint is formed.
3. Appropriate power supply should be given to the electrode and the work pieces.
4. Now the welding current output may be adjusted.
5. When current is passed, arc is produced between the electrode and work pieces.
6. Then the welding is carried out throughout the length.
7. As soon as the welding process is finished, switch off the current supply and allow the work piece to cool.
8. Slag is removed by chipping process with the help of chipping hammer.
9. Finally using wire brush, welded portions are cleaned.

[@melchorsierra4355]

Thank you sir for your demonstration about butt joint using arc welding.

[@BalaMurugan-oi2qr]

This video is very clear about butt joint . Thankyou sir

[@gudapativamshi3637]

thankyou somuch sir

[@AkashAkash-cq7hv]

It was nice sir really well explained

[@madhusudhanans9932]

It's very useful for me sir 😊

[@sugumarp6277]

Thank you sir