B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
205/32
B21C 1/02 (2006.01) B21B 1/18 (2006.01) B21B 3/00 (2006.01) B21C 9/00 (2006.01) B21C 37/04 (2006.01)
Patent
CA 1216547
ABSTRACT OF THE DISCLOSURE A method is disclosed of manufacturing aluminum and aluminum alloy wire with reduced cross-section from wire of larger cross-section. The wire cross-section is first reduced down to an intermediate cross-section by subjecting the wire to a plurality of cold-rolling operations in a rolling-section with a plurality of stands using water as a lubricant. The cross-section is continuously further reduced down to the required cross-section by drawing in a plurality of passes in a wire-drawing section, while applying oil to the wire as a lubricant. The first reducing step in the wire-drawing section is performed by means of a roller die, the other steps being performed by means of normal dies. The lubricating oil circuit for the roller die is completely isolated from the lubricating oil circuits for the other dies. After wire-drawing the wire is coiled by means of a coiling-machine.
431704
G. Ronald Bell & Associates
Lamitref Aluminium
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