Yunnan cable manufacturers: wire and cable products are mainly divided into five categories
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2022-08-29

Yunnan cable manufacturers: wire and cable products are mainly divided into five categories

Yunnan cable manufacturers: wire and cable products are mainly divided into five categories 1. bare wire and bare conductor products The main features of these products are: pure conductor metal, no insulation and sheath, such as steel core aluminum stranded wire, copper aluminum bus, electric locomotive wires, etc. The processing technology is mainly pressure processing, such as melting, rolling, stretching, twisting/compression twisting, etc. Products are mainly used in the suburbs, rural areas, users of the main line, switch cabinets and so on. 2. The main features of such products as power cables are: squeezing (winding) a layer of insulating layer around the conductor, such as overhead insulated cables, or stranding several cores (corresponding to the phase line, zero line and ground line of the power system), such as overhead insulated cables with more than two cores, or adding a layer of sheath, such as plastic/rubber sheathed wires and cables. The main process technologies include drawing, stranding, insulation extrusion (winding), cable forming, armor, sheath extrusion, etc. There are some differences in the different process combinations of various products. The products are mainly used for the transmission of high-voltage electric energy in power generation, distribution, transmission, transformation and power supply lines, with large current (tens of amperes to thousands of amperes) and high voltage (220V to 500kV and above). 3. Yunnan cable manufacturers share the main features of wires and cables used in electrical equipment. The main features of such products are: many varieties and specifications, wide application range, 1kV

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Environmental Impact Report Form of Construction Project
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2022-08-02

Environmental Impact Report Form of Construction Project

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Kunming kunbao wire and cable manufacturing co., ltd. discloses the full information on the "green new energy cable production line construction project environmental information evaluation report form"
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2022-08-02

Kunming kunbao wire and cable manufacturing co., ltd. discloses the full information on the "green new energy cable production line construction project environmental information evaluation report form"

Our unit plans to build a green new energy cable production line construction project in Kunming Kunbao Wire and Cable Manufacturing Co., Ltd., Qidian Industrial Park, Yangzonghai Scenic Area, Kunming. Yunnan Gaoke Environmental Protection Technology Co., Ltd. has been entrusted to prepare the "Kunming Kunbao Wire and Cable Manufacturing Co., Ltd.-Green New Energy Cable Production Line Construction Project Environmental Impact Assessment Report Form"

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Setting-out Construction Method of Bare Wire for Electric Power
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2013-01-16

Setting-out Construction Method of Bare Wire for Electric Power

This construction method is suitable for overhead lines with small cross-sectional area and not too long line segments (line segments are divided according to tension segments). During the setting-out construction, the use of manpower directly on the ground to drag the line, can be without traction equipment and a large number of traction wire rope, the method is simple. The disadvantage is that it takes a lot of labor and will damage large areas of crops. The arrangement of labor force is as follows: the average weight per person on the flat ground is 300N, and that on the mountain is 200N. According to the length of the guide and ground wires or the length of the tension section, several wires can be dragged and dropped at the same time at the beginning. In the later stage, due to the increase of length and weight, the first part can be suspended step by step, and the combined and concentrated labor force can be dragged and dropped successively.

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Tightening method of bare wire for electric power
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2013-01-17

Tightening method of bare wire for electric power

The high-altitude tight line method is mainly used in the tight line construction of distribution lines with small cross-sectional area and small tight line tension. It has the advantages of simple construction method, small operation site and few construction machines. However, most of the processes must be completed at high altitude, increasing the workload of high-altitude operations. When tightening the line, the remaining line should be tightened first, usually with manpower or traction equipment to operate directly on the ground. When the overhead line in front is separated from the ground, the wire tightener can be set at a certain distance (estimated wire tightening length) in front of the tension operating lever tower, the wire tightener can be pulled by the traction equipment, and the wire can be tightened by the pulley at the wire hanging place. When the overhead line is tightened close to the required sag value, slow down the traction speed. When the sag observer in front notifies that the required sag value has been reached, stop towing immediately. When the overhead line stops jumping and the sag does not change, mark the line hanging point hole on the operating lever tower. After marking, the construction personnel on the tower will install the lead and ground wire with strain clamp at high altitude, and hang the lead and ground wire on the tower. This method of operation because the overhead line does not need to be panasonic landing, so called a tight line method. If the guide and ground wire are loosened to the ground after high-altitude marking, the ground operator shall install the strain clamp according to the mark, assemble the insulator string at the same time, tighten the wire again and hang the wire. This method is called secondary lifting and tightening method. The advantage is to reduce the amount of high-altitude work. It is suitable for wire cross-section and tight line tension line, especially the crimping tension clamp, high-altitude construction is quite inconvenient, so most of the use of this method.

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Key points of power cable crimping process-preparation stage
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2013-01-21

Key points of power cable crimping process-preparation stage

Stripping off the insulation at the end of the connected wire and cable, the length of stripping off the insulation, unless otherwise specified in the design, is generally the length from the end of the connecting pipe to the cut-off pit or oil blocking grid plus 5~10mm; The length of stripping off the insulation of the terminal (wire nose) is the length of the conductor that can be inserted into the cylinder part of the terminal plus 5~10mm.

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International Business:0871-67334199
Business fax: 0871-6738 8841
Sales Phone:18213841134(Liu Zong)0871-67388840
Company Headquarters: 11th Floor, Tower 1, Dongju Jiaxin Business Center, Guandu District, Kunming City, Yunnan Province
Production base: Xiaoshao and other areas of Qidian Industrial Park, Chenggong District, Kunming City, Yunnan Province

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