Aluminum composite twisted wire conductor, aluminum composite twisted wire, and wire harness
An aluminum composite twisted wire conductor includes a center assembled twisted wire positioned closest to a center of the aluminum composite twisted wire conductor in cross-sectional view, a plurality of first-layer assembled twisted wires positioned around the center assembled twisted wire, and a plurality of second-layer assembled twisted wires positioned around the first-layer assembled twisted wires. Each of the center assembled twisted wire, the plurality of first-layer assembled twisted wires, and the plurality of second-layer assembled twisted wires is an assembled twisted wire. The assembled twisted wire comprises a plurality of aluminum strands which are collectively first-twisted and made of aluminum or an aluminum alloy. The center assembled twisted wire, the plurality of first-layer assembled twisted wires, and the plurality of second-layer assembled twisted wires are collectively second-twisted.
1. An aluminum composite twisted wire conductor comprising:
a center assembled twisted wire positioned closest to a center of the aluminum composite twisted wire conductor in cross-sectional view;
a plurality of first-layer assembled twisted wires positioned around the center assembled twisted wire; and
a plurality of second-layer assembled twisted wires positioned around the first-layer assembled twisted wires,
wherein each of the center assembled twisted wire, the plurality of first-layer assembled twisted wires, and the plurality of second-layer assembled twisted wires is an assembled twisted wire,
wherein the assembled twisted wire comprises a plurality of aluminum strands which are collectively first-twisted and made of aluminum or an aluminum alloy,
wherein the center assembled twisted wire, the plurality of first-layer assembled twisted wires, and the plurality of second-layer assembled twisted wires are collectively second-twisted,
wherein second twisting directions of the first-layer assembled twisted wire and the second-layer assembled twisted wire are the same,
wherein first twisting directions of the first-layer assembled twisted wire and the second-layer assembled twisted wire are the same as the second twisting directions of the first-layer assembled twisted wire and the second-layer,
wherein a first twisting direction of the center assembled twisted wire and the second twisting direction of the first-layer assembled twisted wire are opposite, and
wherein second twisting angles of the first-layer assembled twisted wire and the second-layer assembled twisted wire are almost the same.
2. The aluminum composite twisted wire conductor according to claim 1 ,
wherein a difference between a sum of a first twisting angle and the second twisting angle of the first-layer assembled twisted wire, and a first twisting angle of the center assembled twisted wire is 15 degrees or more.
3. An aluminum composite twisted wire comprising:
the aluminum composite twisted wire conductor according to claim 1 ; and
an insulating coating portion which covers the aluminum composite twisted wire conductor.
4. A wire harness comprising:
the aluminum composite twisted wire according to claim 3 .