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FurseWELD How it Works
FurseWELD exothermic welding is a cost efficient method of making large or small numbers of high quality electrical connections.
It is a simple,self-contained system that uses the high temperature reaction of powdered copper oxide and aluminium, within a mould, to form permanent electrical connections.
Typical application include :
– Earthing for power plants and sub-stations
– Telecommunications
– Transmission and power distribution lines
– Cathodic protection
– Rail connections
FurseWELD connections have several advantages :
– tolerant to repeated fault currents
– highly conductive
– do not loosen
– excellent corrosion resistance
Most FurseWELD connections have at least twice the cross-sectional area of the conductors being joined, and an equivalent or grater current carrying capacity.
Corrosion resistance is exceptional because of the very high copper content (>90%) of the alloy.
Making a FurseWELD joint is a simple procedure as illustrated below :
1. Locate the conductors (A) to be joined in the weld cavity (B) and close the mould (C).
2. Locate the steel retaining disk in the base of the crucible (D). Pour in the weld powder (E) followed by the starting powder (F).
Ignite starting powder with a spark gun.
Ignite starting powder with a spark gun.
4. The molten copper alloy cools to leave a fusion weld of great mechanical and electrical.
4. La lega di rame fuso si raffredda e produce una saldatura di fusione di grande intergità meccanica ed elettrica.
