400Hz structural performance balanced cable for ships and manufacture method thereof
A technology of structural performance and balanced cables, which is applied in the direction of cable/conductor manufacturing, power cables, cables, etc., can solve the problems of not meeting the cable flexibility requirements, unable to reduce the bending radius of the cable, and unable to achieve a small bending radius, etc., to achieve favorable Effects of heat dissipation, cable core structure balance, and mutual interference prevention
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Embodiment 1
[0022] Such as figure 1 As shown, the manufacturing method of the 400Hz structural performance balanced cable for ships of the present invention includes the following steps in turn: multiple tinned annealed copper wires with a diameter of 0.25 mm are twisted into strands with a pitch ratio of 10 times in the same direction, According to the calculation of the 98% ratio of the outer diameter of the bundle strand, the perfect circular compression mold is used, and each strand is subjected to compression molding treatment and then re-twisted into a power cable conductor. The direction is carried out, and the tinned annealed copper wire adopts the Class 6 type of the IEC 60228 standard; then, the power cable insulation layer is extruded around the outer circumference of the power cable conductor. The insulation layer of the power cable is an ethylene-propylene rubber insulation layer with a dielectric constant not greater than 2.5, and its heat-resistant temperature is 105°C. Th...
Embodiment 2
[0029] Such as figure 1 As shown, the manufacturing method of the 400Hz structural performance balanced cable for ships of the present invention includes the following steps in turn: multiple tinned annealed copper wires with a diameter of 0.28mm are twisted into strands with a pitch ratio of 11 times in the same direction, According to the calculation of the 99% ratio of the outer diameter of the bundle stranding, the perfect circular compression mold is used, and each strand is subjected to compression molding treatment and then re-twisted into a power cable conductor. The direction is carried out, and the tinned annealed copper wire adopts the Class 6 type of the IEC 60228 standard; then, the power cable insulation layer is extruded around the outer circumference of the power cable conductor. The insulation layer of the power cable is an ethylene-propylene rubber insulation layer with a dielectric constant not greater than 2.5, and its heat-resistant temperature is 105°C. ...
Embodiment 3
[0036] Such as figure 1 As shown, the manufacturing method of the 400Hz structural performance balanced cable for ships of the present invention comprises the following steps in turn: multiple tinned annealed copper wires with a diameter of 0.3 mm are twisted into strands with a 12 times pitch diameter ratio in the same direction, According to the calculation of the 99% ratio of the outer diameter of the bundle strand, the perfect circular compression mold is used, and each strand is subjected to compression molding treatment, and then re-twisted into a power cable conductor. The direction is carried out, and the tinned annealed copper wire adopts the Class 6 type of the IEC 60228 standard; then, the power cable insulation layer is extruded around the outer circumference of the power cable conductor. The insulation layer of the power cable is an ethylene-propylene rubber insulation layer with a dielectric constant not greater than 2.5, and its heat-resistant temperature is 105...
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