- REPAIR - FABRICATION - DESIGN - MODIFICATION
AND FLEXIBLE SHUNTS
In the vast majority of electric
furnaces operating today, copper bus tube(s) and terminals
transfer the electrical power from the flexible power cables to
the electrode heads or contact pads. Bus tubes are generally fabricated
from high-conductivity, heavy-wall extruded copper pipe. They are
water cooled and must be properly sized for the job. Due to their
length, copper bus tubes require one or more support structures,
attached to the mast arm.
three bus tube assemblies were fabricated at our plant in Medina,
Ohio. All bends were accomplished by forming rather than splicing.
Cable terminals were fabricated from high conductivity copper plate
while holder terminal pads consist of high conductivity copper castings.
Erie Copper carries an extensive
inventory of copper tube in various sizes and all in long lengths
to avoid unnecessary splicing for new fabrications.
Bus tube manufacture and repair
requires precise fabricating skills, working knowledge of the equipment
and the ability to make proper materials selection. It is important
to choose an experienced professional to produce and maintain your
EAF equipment. Think Erie for all your furnace needs.
- attachment to the secondary copper stubs from the delta
closure is generally accomplished by one of three methods.
Either they are clamped in groups by phases, they are bolted
individually to the bus system or they are bolted to flexible
laminated copper shunts. The photograph illustrates
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