39results about How to "Reduce copper usage" patented technology

The invention discloses a copper-clad aluminum four-core flame retardant flexible cable and a manufacturing method thereof. The method comprises the steps that: a copper-clad aluminum conductor is made into a single conductive wire core; the single conductive wire core is processed into a conductive wire core provided with the section of a fan shape; an insulation process is carried out to the conductive wire core provided with the section of the fan shape, and an insulation process for forming an insulation wire core provided with an insulation layer is carried out; a cable-froming process is carried out to four insulation wire cores provided with insulation layers, thereby forming a cable yarn; plastic is extruded on the cable yarn so as to form a flame retardant restrictive coating, wherein, the step that the copper-clad aluminum conductor is made into a single conductive wire core comprises the steps that: a wire-drawing machine is utilized to draw the copper-clad aluminum conductor into a single conductive filament; an annealer is utilized to carry out an annealing process to the single conductive filament; a wire-bunching machine is utilized to bunch a plurality of annealed single conductive filaments into braided wires; a wire twisting machine is utilized to twist a plurality of braided wires into the conductive wire core. The cable of the invention has the advantages of low copper consumption, light weight and low cost.

The invention discloses a copper-clad aluminum single-core flame retardant and fire resisting flexible cable and a manufacturing method thereof. The manufacturing method comprises the steps that: a copper-clad aluminum conductor is made into a single conductive wire core; a fire resisting layer is formed on the outer surface of the single conductive wire core; the step of the insulation process is that a flame retardant is extruded on the fire resisting layer so as to form an insulation layer. wherein, the step that the copper-clad aluminum conductor is made into the single conductive wire core comprises the steps that: a wire-drawing machine is utilized to draw the copper-clad aluminum conductor into a single conductive filament; an annealer is utilized to carry out an annealing process to the single conductive filament; a wire-bunching machine is utilized to bunch a plurality of annealed single conductive filaments into braided wires; a wire twisting machine is utilized to twist a plurality of braided wires into the conductive wire core. The cable of the invention has the advantages of low copper consumption, light weight and low cost. As a single filament structure with multiple filaments and small diameter and a multi-strand twisting technology are adopted, the cable is particularly flexible and can be bended randomly.

The invention discloses a copper-clad aluminum five-core flame retardant flexible cable and a manufacturing method thereof. The method comprises the steps that: a copper-clad aluminum conductor is made into a single conductive wire core; the single conductive wire core is processed into a conductive wire core provided with a section of a tile shape; an insulation process is carried out to the conductive wire core provided with the section of the tile shape, and an insulation process for forming an insulation wire core provided with an insulation layer is carried out; a cable-forming process iscarried out to five insulation wire cores with the insulation layers so as to form a cable yarn; plastic is extruded on the cable yarn so as to form a flame retardant restrictive coating, wherein, the step that the copper-clad aluminum conductor is made into the single conductive wire core comprises the steps that: a wire-drawing machine is utilized to draw the copper-clad aluminum conductor intoa single conductive filament; an annealer is utilized to carry out an annealing process to the single conductive filament; a wire-bunching machine is utilized to bunch a plurality of annealed singleconductive filaments into braided wires; a wire twisting machine is utilized to twist a plurality of braided wires into the conductive wire core. The cable of the invention has the advantages of low copper consumption, light weight and low cost.

The invention discloses a copper-clad aluminum four-core flame retardant and fire resisting flexible cable and a manufacturing method thereof. The method comprises the steps that: a copper-clad aluminum conductor is made into a single conductive wire core; the single conductive wire core is processed into a conductive wire core provided with a section of a fan shape; a wire core fire resisting layer is formed on the outer surface of the conductive wire core provided with the section of the fan shape; an insulation material is extruded on the wire core fire resisting layer, and an insulation process for forming an insulation wire core provided with an insulation layer is carried out; a cable-froming process is carried out to four insulation wire cores provided with insulation layers, thereby forming a cable yarn; flame retardant plastic is extruded on the cable yarn so as to form a flame retardant restrictive coating. The cable of the invention has the advantages of low copper consumption, light weight and low cost.

The present invention relates to the field of animal nutrition, and particularly relates to a trace element premix feed and weaned piglet compound feed. The trace element premix feed does not contain copper sulfate, but contains copper citrate. The compound feed can decrease the amount of copper used in the feed by more than 88%, improve average daily gain (ADG), average daily feed intake (ADFI) and feed to gain ratio (F / G) of piglets compared with high dose copper sulfate, increase lysozyme concentration of serum by more than 50.62%, reduce diarrhea rate of piglets by more than 66.67%, and decrease fecal copper content by more than 88.76%; the above data has highly significant differences (P<0.01) compared with the control group.

The invention discloses a copper-clad aluminum two-core flame retardant flexible cable and a manufacturing method thereof. The method comprises the steps that: a copper-clad aluminum conductor is madeinto a single conductive wire core; the single conductive wire core is processed into a conductive wire core provided with a semi-round section; an insulation process is carried out to the conductivewire core provided with the semi-round section, and an insulation process for forming an insulation wire core provided with an insulation layer is carried out; a cable-froming process is carried outto two insulation wire cores provided with insulation layers, thereby forming a cable yarn; plastic is extruded on the cable yarn so as to form a flame retardant restrictive coating, wherein, the stepthat the copper-clad aluminum conductor is made into the single conductive wire core comprises the steps that: a wire-drawing machine is utilized to draw the copper-clad aluminum conductor into a single conductive filament; an annealer is utilized to carry out an annealing process to the single conductive filament; a wire-bunching machine is utilized to bunch a plurality of annealed single conductive filaments into braided wires; a wire twisting machine is utilized to twist a plurality of braided wires into the conductive wire core. The cable of the invention has the advantages of low copperconsumption, light weight and low cost.