EXOTHERMIC WELDING OF A MESH FOR SPT
MATERIALS
• Welding mold to focus on the desired place weld
• Putty for prevent weld leakage in the mold
• Copper rod
• Blowtorch to light the powder in the mold
• Personal protection elements
• Melt mold pincers
• Pliers
• Wire brush
Steps list
1. Get all the implements and materials, for they will be needed.
2. Clean the mold with the wire brush, then cut the copper rod with the
necessary measurements.
3. Be sure you have enough putty.
4. Check if you have enough gunpowder to smelt.
5. Put on your personal protection elements or you will not be able to follow the
process. After that preheat the mold with the blowtorch.
6. Seal the mold with putty nor leave the surface unsealed.
7. Lock the mold with the melt mold pincers after that light the blowtorch.
8. Pour the gunpowder and the fluxing agent in the hole but the correct
amount.
9. Put the blowtorch into the mold and let it burn.
10. Pull out the welding, then clean it with the wire brush, be careful because it is
hot yet. So, finish the process...
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