Preparation of Square Tray using Spot Welding

Preparation of Square Tray using Spot Welding

Aim:

To prepare the square tray using spot welding technique.

Equipment Required

Spot welding machine

Material Required:

Two G.I sheets of size

Procedure

• Switch on the machine and set the current in the machine to 2 Ampere
• Set the timer to two seconds
• Overlap the two metal pieces to the requires size and place them between the two electrodes.
• Apply pressure by foot on the lever such that two electrodes come into contact if the over lapped metals.
• After 2 seconds remove the pressure on the lever slowly.
• Now the joint is ready for use.
• Repeat the same procedure at various amperes
• Test the strength of the joints using universal testing machine

Sketch:

Precautions:

• Ensure that the electrodes should not be touched.
• Don't touch the welded potion by hand immediately after the welding is done.

Result: