Stp.1

Ensure the rail ends to be welded are clean, free from rust, and properly aligned. The gap size (space between two rails to be welded)shall be 26±2mm.

Stp.2

Place the sand mold around the rail ends, ensuring a proper fit. If the moulds do not fit the rail, grind of rail slightly so the rails could fit tightly against the moulds.

Stp.3

Apply tightly the luting sand on the gaps between the moulds by hand. (3KG Luting sand mixture 500ml water).

Stp.4

Place the slag tray under the designed pouring hole. Place a small amount of premix sand on the slag tray.

Stp.5

Diverter plug should be placed over the inlet between the moulds.

Stp. 6

Measure and pour the required amount of Thermit portion into the crucible.