Rectangular copper wire for paper and enamel insulation

In the electrical industry, rectangular wires with defined edge radii are used in motors, generators and transformers.

In comparison with round wires, rectangular wires have the advantage of allowing more compact windings, thereby delivering both space and weight savings. The electrical efficiency is also better, which saves energy.

Especially when the wires are meant to be insulated with enamel, the precision of width and thickness as well as the geometry of the edge radius is of great importance for the defect-free use in electrical coils.

Typical line for medium sized sections

Complete line
Five stand standard line for the medium size range of rectangular copper wire. This system covers the typical CTC size range and beyond.

Speed
up to 1.200 m/min

Size range
Width: 2,0 bis 30,0 mm
Thickness: 0,5 bis 6,0 mm

Precision
IT7

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Static vertical coil pay-off

For pulling off round wire from pallets, carriers or out of drums
Continuous operation by welding the ends of the wire together while the line is running

COIL SYSTEMS

Horizontal reel pay-off

With cantilever or double-sided reel take-up
For reels from 500 kg to 4.000 kg
Optionally with oscillation for straight input into the line, particularly useful if flat wires have to be rolled in two passes

SMH | FLYING SPOOLER

Drawing machines

Diameter reduction of the incoming round wires to minimize goods in stock
Lubrication with emulsion
Optional water cooling of the drawing drum

2-high rolling mill WSR

Typically one or two 2-high rolling mills
Flat rolling of the wires
Roll oscillation to avoid track marks

WSR | FLAT WIRE

Dancer regulation

For the regulation of the wire tension between the rolling mills
Wire submersion cooling
Wire path in accordance with dimensions:
- straight line operation for large cross sections
- deflection operation for small cross sections

WSE rounding rolling mill