摘要:
A metallic conductor (21) that comprises a collected assembly of wires (22) so that it assumes a predetermined polygonal cross-section such as a circular sector or similar. Consequently, starting from an assembly of metallic conductors (21) it is possible to obtain a flexible cable (23), of reduced dimensions, smaller final diameter of the finished cable, and reduced weight per unit length that includes a plurality of insulated multi-wire conductors (21) where each multi-wire conductor (21) has a predetermined polygonal cross-section.
摘要:
[Object] A manipulation rope having an excellent torque transmittability is provided. [Solution] A manipulation rope 2 is a rope 2 that is advantageously used as a manipulation rope for a medical instrument, and includes a side wire 6 or a side strand which is an outermost layer, the side wire 6 or the side strand having a forming rate that is greater than 100% and not greater than 110%. The side wire or the side strand having been formed has a spiral shape in which a flatness that is an aspect ratio obtained by a major axis being divided by a minor axis is preferably not less than 1.01 and preferably not greater than 1.10. Further, an elongation of the rope at a time when a tensile load that is 1.0% of a breaking load is applied, is preferably not less than 0.04% and preferably not greater than 0.10%.
摘要:
Disclosed is a steel wire rope for conveyor belts. The steel wire rope includes a central steel wire, a steel wire layer externally wound on the central steel wire, and a plurality of external steel wire strands. Each external steel wire strand includes a core steel wire and N external steel wires. The central steel wire, the steel wire layer externally wound on the central steel wire, and the plurality of external steel wire strands are wound into a steel wire rope for conveyor belts in one step. The steel wire layer is externally wound on the outer side of the central steel wire, the external steel wire strands are wound to wrap the outer side of the steel wire layer, and the external steel wire strands are in line contact with the steel wire layer.
摘要:
Provided is a method for manufacturing a hot extruded polyethylene zinc-aluminium alloy-plated steel wire hauling cable. The method involves: in accordance with arrangement rules for steel wires at the cross section of a hauling cable (4), the length of the hauling cable is controlled through a central standard wire, zinc-aluminium alloy-plated steel wires are bundled at a twisting angle of 2°-4°, a high-strength polyester belt is wound externally on the steel wire bundle, a double-layer high-density polyethylene protection layer is hot-extruded through a double-cavity co-extrusion one-time moulding process, anti-wind- and rain-induced vibration embossments are arranged on the outer layer of a polyethylene protection jacket according to design requirements of the hauling cable (4) regarding wind- and rain-induced vibration, and the hauling cable is coiled and stored after both ends of the hauling cable (4) are anchored. Finally, the hauling cable is transported to an erection site according to delivery requirements, and erected one by one. The process for manufacturing the hauling cable (4) is not limited by a construction site, is less affected by climate factors, is convenient to control due to industrialised production management, and can satisfy the service requirements of long length, high accuracy, and durability for stay cables in super -long-span bridges in a marine environment.
摘要:
Disclosed is a steel wire rope for conveyor belts. The steel wire rope includes a central steel wire, a steel wire layer externally wound on the central steel wire, and a plurality of external steel wire strands. Each external steel wire strand includes a core steel wire and N external steel wires. The central steel wire, the steel wire layer externally wound on the central steel wire, and the plurality of external steel wire strands are wound into a steel wire rope for conveyor belts in one step. The steel wire layer is externally wound on the outer side of the central steel wire, the external steel wire strands are wound to wrap the outer side of the steel wire layer, and the external steel wire strands are in line contact with the steel wire layer.
摘要:
A reinforcing structure designed for handling compression stress states when the structure is molded into a composite. The structure, specifically a wrapped cord (10, 20) with metallic filaments (12) contained therein, is suitable for both compression and tension load forces. The reinforcing structure has a core (14) comprising a plurality of essentially straight, nested filaments (12) arranged in parallel, the filaments (12) forming a line of contact with adjacent filaments (12) that extends along the length of the filaments (12). Wrapped about the core (14) is at least one helically wound wire (16).