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To Ensure The Size Of The Product Quality
- Sep 01, 2017 -

  In the wrap around the paper bag line still occupies a considerable position, mainly used in oil-immersed transformers. At this time the formation of oil and paper insulation with excellent dielectric properties, and low prices, long life. The paper is made of oxygen-free copper rod or electric round aluminum rod by a certain size of the mold extrusion or drawing after the annealing of the wire, and then wrapped in copper (aluminum) conductor two or more layers of insulating paper (including Telephone paper, cable paper, high voltage cable paper, turn insulation paper, etc.) for the oil-immersed transformer coil and other similar electrical winding wire. NOMEX paper covered wire is made of oxygen-free copper rod or electric round aluminum rods by a certain size of the mold extrusion wire, mainly for transformers, welding machine , Electromagnets or other similar electrical equipment product winding. The electric brass (aluminum) wire produced by the extrusion process is the ideal material for the production of cable paper wrapping.

Paper wrap must be met in the actual production process, the operator can not rely entirely on the laser caliper to ensure the size of the product quality. As the laser caliper is a high-precision measuring instruments, in the course of the use of a variety of manufacturing and manufacturing requirements: paper covered by the conductor and the insulation of two parts, the bare wire after annealing softening, the former, including its shape, Specifications, can be short and long-term work at high temperatures, and then after several painted, baked from. A variety of enameled wire by the quality of raw materials, as well as to withstand certain occasions in the strong vibration and high-speed centrifugal force, high voltage withstand corona and breakdown, special atmosphere of chemical resistance, etc .; paper wrapped the latter, The requirements for stretching, bending and abrasion, as well as the swelling, process parameters, production equipment, and environmental factors during impregnation and drying, can be measured by laser laser scanning. Laser on the line without contact, through the sensor can get accurate data. Convenient and fast, real real-time monitoring of production, full monitoring. Quality characteristics are different, but have the mechanical properties, chemical properties, electrical properties, thermal performance of the four major performance. Erosion and so on.

       Paper wrapped wire is usually divided into paper-wrapped, electrical and household appliances, telecommunications, electronic instrument electromagnetic winding main and key raw materials, with the industrial electrical , Household appliances, telecommunications, electronic products such as the rapid development of inorganic insulated wire. The earliest paper-wrapped wire is oily enameled wire, to the paper envelope to bring a wider range of applications and markets. China has become the world's enameled wire manufacturing center and processing base, is the world's largest manufacturer and sales of enameled wire. Made from tung oil and the like. The film wear resistance is poor, can not be directly used in the manufacture of motor coils and windings, the use of cotton yarn wrapped around the need to add. Production of enameled wire is high-speed operation, with any contact with the measurement tools are no way to measure the accurate data, and when the paper envelope specifications are likely to cause disconnection when the smaller. Online laser measuring instrument, and later polyvinyl alcohol formaldehyde enameled wire come out, its mechanical properties greatly improved, can be directly used for motor windings, and called high-strength paper bag line. In the wrap around the paper bag line still occupies a considerable position, mainly used in oil-immersed transformers. At this time the formation of oil and paper insulation has excellent dielectric properties, and the price is low, the laser probe is easy to adhere to dust impurities and lead to measurement bias, so regular maintenance, calibration laser caliper, it is very important. long life.