Copper & Aluminum Wire
Soft wire corrosion resistance is weaker, hard wire corrosion resistance is stronger; this is because the soft wire is a combination of multiple strands of fine copper wire, the total surface area of these copper wires must be much larger than a single strand of hard copper wire, and the larger the surface area, in contact with corrosive media, the rate of decay reaction is bound to be greater.
In order to protect the outer sheath of the cable from harm and reduce friction, the cable pulley is suspended on the steel strand. Its spacing is related to the weight of the cable unit length, generally installed every 2~3m distance, in order not to make the cable sag touch the ground as the principle, the cable pulley into a straight line installation. The wire mesh sheath is set at the end of the cable when used. When pulling the cable, the cable mesh sleeve and the wire rope must be installed between the anti-twist device.
Solderable polyesterimide enameled wire enamels are widely used on the magnet wire of relays, small transformers, small motors, contactors, ignition coils, solenoid coils and automotive coils.
High-power transformer wire enamel includes the following weight parts of raw materials: 50 parts of ethylene urea ethoxylate methacrylate, 28 parts of polyethylene glycol diacrylate, 8 parts of hydroxyethyl methacrylate, 4 parts of acid...
The potential and magnetic potential generated by the AC winding and the final electromagnetic performance are only related to the connected conductors, but not to the order of connection. In other words, as long as the conductors are connected in the same slot, it does not matter which one is connected first and which one is connected second, the final reflected electromagnetic performance is basically the same, only the ends are different, there may be slightly different end leakage resistance and DC resistance.
Polyvinyl chloride (PVC) insulation is a common wire and cable insulation material with the advantages of low cost, good insulation performance, corrosion resistance, and easy processing. PVC insulation usually uses additives such as plasticizers...
Aluminum stranded wire with steel core (ACSR) is an electric power transmission conductor, which is a reinforced wire with single or multiple layers of aluminum strands stranded outside a galvanized steel core. It is...
Les revêtements polyester sont largement utilisés dans les secteurs de la construction, de l’automobile, de l’électronique et de l’aérospatiale, tels que les façades de bâtiments, les carrosseries de voitures et les boîtiers de produits électroniques, afin d’en améliorer la durabilité et l’esthétique.
According to the cable laying environment and the different load, is designed to choose the cable specification type specifications. The non-armor type is suitable for overhead, indoor, tunnel, cable trench, etc. It cannot bear the action of J mechanical external force, while the armor type can be buried underground under the same conditions as the non-armor type. Can withstand certain mechanical external force. Single-core cables are not allowed to be laid in pipes that produce magnetism. Flammable and explosive, chemically corrosive and high temperature, low temperature and other occasions should choose a special type of cable.
Cable waterproof way is generally divided into two kinds of longitudinal water resistance and radial diameter water. Longitudinal water resistance is generally used to block water yarn, water-blocking powder and water-blocking tape, their water-blocking mechanism is in these materials contain a water-expandable material, when the water from the end of the cable or from the sheath defects into the water, this material will be water quickly expand to prevent further diffusion of water along the cable longitudinal, so that the purpose of the cable longitudinal waterproofing. Radial water resistance is mainly achieved by extruding HDPE non-metallic sheathing or hot pressing, welding, cold drawing metal sheathing.
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