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Rolled copper in foil and strip form used as winding conductor in transformers and similar electrical assemblies.
Foil winding puts a single wide conductor where many parallel wires would otherwise sit, which spreads current evenly and makes a tighter coil. It only works if the foil arrives clean, flat and consistent in width and thickness, because a wavy edge or a burr will short between layers once the coil is wound. SourcifyChina supplies copper foil and copper strip for transformer winding from mills with steady output, so a winding shop is not restarting its process every time a new coil is loaded.
Copper Strip for Transformer
Copper strip wound into transformer coils, supplied in C1100 alloy at 0.2-3.0 mm thickness and 50-1350 mm widt...
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Copper Foil for Transformer
Copper foil for transformer foil windings, produced in C1100 alloy from 0.2-3.0 mm thick and 50-1350 mm wide, ...
View Details →Edge burrs on foil cutting through interlayer insulation during winding
Width variation causing the coil stack to wander off square
Surface oxidation on stored material affecting joints and terminations
Supply interruptions stopping a winding line mid production run
Coil resistance varying between units because the conductor was inconsistent
Edge condition specified so interlayer insulation is not cut during winding
Width and thickness consistency treated as a supply requirement
Packaging and protection specified against oxidation in transit and store
Mills chosen for steady output rather than lowest spot price
Repeat orders held to the same specification and source
Aluminium Foil for Transformers
Rolled aluminium foil used as a lighter and lower cost winding conductor where copper is n...
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Enamelled Wire
Conductor wire with a baked insulating enamel coating, wound into coils for motors, transf...
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Silicon Steel for Transformers
Electrical steel used to build transformer cores, where magnetic properties rather than me...
View Category →Width, thickness, temper, edge condition, coil weight and packaging requirement.
Yes. Give us the width and tolerance required and we will confirm what the mill can slit to.
It depends on width, quantity and mill schedule and is confirmed with the quotation.
Available documentation depends on the mill and is confirmed on request.
It is set by coil weight and slitting and is confirmed with the quotation.
Send the capacity duty or drawing you need for copper foil and strip and we will match it to the factory that builds it and quote it in writing.
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