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Company: Henan Lubao Special Cable Co., Ltd.

Contact: Manager Su

Mobile: 13838110230

Email: 349614665@qq.com

WeChat: 13838110230

Website: herzheart.com

Address: No. 13 Workshop B, Tiantan Venture Park, Huling Industrial Gathering District, Jiyuan City, Henan Province


Tag: Cable Price

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      • [ Technical knowledge ] What quality problems will occur in common cable production?

        What quality problems will occur in common cable production? 1. The plasticization of the extrudate is not good. The wire and cable manufacturers mentioned the plasticization problem in the temperature control requirements mentioned above. Generally, the poor plasticization mainly manifests as: the surface of the extruded cladding plastic is black, matte, and has small cracks ; Extruded cladding has obvious seams at the glue joint; Spiral cable temperature
        Release time: 2019-12-30 Clicks: 29

      • [ Technical knowledge ] What is the cause of the cable heating during operation?

        What is the cause of the cable heating during operation? Judging the quality of wires requires a combination of factors. The main method of judgment is to observe and measure the weight. Poor quality wires are usually insufficient in weight and length, and there are too many impurities in the copper core of the wire. These details need to be determined Observe, you can naturally understand the quality of the wire more directly.
        Release time: 2019-12-25 Clicks: 41

      • [ Company News ] What are the skills and methods to identify the advantages and disadvantages of wires and cables?

        What are the skills and methods to identify the advantages and disadvantages of wires and cables? The use of electrical wires in daily work environments is very important. If the quality of the electrical wires is not good, this will directly affect the stability of the circuit, which will cause a great safety hazard to the daily use of electricity. To have a method of judging the quality of the wire, Henan Wires and Cables adopt the following methods
        Release time: 2019-12-20 Clicks: 39

      • [ Technical knowledge ] What to do if water enters the cable? Is there any way to solve it?

        What to do if water enters the cable? Is there any way to solve it? Water ingress from cables is also a very common power cable failure. How do you solve it when water ingress occurs? Water in the cable is a very troublesome thing. So far, there is no particularly effective method to solve it. Either do the intermediate connector or replace the cable entirely. Wire and cable manufacturers
        Release time: 2019-12-17 Clicks: 31

      • [ Technical knowledge ] What are the differences between fire-resistant cables and flame-retardant cables

        What are the differences between fire-resistant cables and flame-retardant cables? Principles of wire and cable manufacturers: Fire-resistant cables and flame-retardant cables have different principles. The halogen-containing cable flame retardant principle is based on the flame retardant effect of halogen. The halogen-free cable flame retardant principle is based on the precipitation of water to reduce the temperature to extinguish the fire. Works even in a fire
        Release time: 2019-12-13 Clicks: 42

      • [ Technical knowledge ] What causes the damage of rubber sheathed wires and cables?

        What causes the damage of rubber sheathed wires and cables? If any product is damaged or has quality problems, there are certain influencing factors, and rubber sheathed products are no exception; we are prone to some damage and quality when using rubber sheathed cables. Problem, then what causes the rubber sheathed wire and cable to break? Is there any way to avoid the rubber sheathed cable from being damaged?
        Release time: 2019-12-10 Clicks: 59

      • [ Technical knowledge ] What are the causes of cable failure?

        What are the causes of cable failure? Moisture of the insulation will cause the breakdown voltage of the cable to drop. The main reasons for cable moisture include: poor cable manufacturing and small holes or cracks in the metal sheath. Water ingress due to the structure of the junction box or terminal box that is not sealed or poorly installed. The metal sheath was punctured or corroded by foreign objects. Aging of insulation can cause breakdown of cable withstand voltage and cause failure
        Release time: 2019-12-06 Clicks: 54

      • [ Technical knowledge ] Things to pay attention to when laying cables

        Things to pay attention to when laying cables. It is not a simple matter to lay cables. The engineering of the power industry is sloppy. What should we do when laying cables? What are the matters that our wire and cable manufacturers should pay attention to: laying as much as possible when laying Hoisting in the forward direction, when it is restricted or has special requirements at the construction site, reverse placing can also be used. Either way,
        Release time: 2019-12-03 Clicks: 55

      • [ Technical knowledge ] Reasons and solutions for poor plasticization of cables in production

        Causes and Solutions to Poor Plasticization of Cables in Production Henan Electric Wire and Cables There are many reasons for cable product problems during the cable production process. Today, we will briefly talk about the causes and elimination methods of poor plasticization of cables. What is the appearance of poor plasticization of the cable? The surface of the plastic layer of the cable has a toad skin problem, the surface of the plastic layer has black signs, and there are some fine
        Release time: 2019-11-29 Clicks: 64

      • [ Company News ] What kinds of factors are affected by the insulation resistance of wires and cables

        What kinds of factors affect the insulation resistance of wire and cable? The test of insulation resistance in wire and cable is mainly to measure the volume resistance of the insulation. The surface resistance is not calculated and measured. However, there are many factors that affect the insulation resistance of the cable. In practical application, the following four factors have a greater influence on its resistivity. Temperature affects wire and cable manufacturers
        Release time: 2019-11-26 Clicks: 56

      • [ Technical knowledge ] Pay attention to routine maintenance of wires and cables

        The use of electricity has led to the rapid development of modern life. If electric wires are not used and maintained properly, it may cause some safety hazards, which will lead to accidents, especially fires. In the use of pumps and motors, the cable is the main. In order to safely construct and ensure the quality of the cable, we need to perform the following maintenance on the cable: regularly clean the dust accumulated on the wires and cables to prevent
        Release time: 2019-11-15 Clicks: 56

      • [ Industry News ] How to find if a cable fails

        How to find if the cable is broken 1. Sound measurement method: The so-called sound measurement method is based on the sound of the discharge of the faulty cable. This method is more effective for the high-voltage cable core wire to the insulation flashover discharge. The equipment used in this method is a DC withstand voltage tester. At the fault location, the cable core wire discharges to the insulation layer to generate a "noise, noble" spark discharge sound.
        Release time: 2019-11-12 Clicks: 50

      • [ Technical knowledge ] Finding method of cable failure point

        Method for finding cable fault points 1. Sound measurement method The so-called sound measurement method is to search according to the discharge sound of a faulty cable (cable manufacturer). This method is more effective for high-voltage cable core wires to discharge the flashover of the insulation layer. The equipment used in this method is a DC withstand voltage tester. Henan wire and cable produce "Zi, Zi"
        Release time: 2019-11-08 Clicks: 62

      • [ Industry News ] Methods for Insulation Repair of Power Cables

        The method of repairing the insulation of power cables The production of power cables by wire and cable manufacturers is very considerable in China. The production of power cables is tedious and the production time is prone to failure. It is necessary to repair the insulation. The country also has related problems. Regulations. The general repair method is
        Release time: 2019-11-05 Clicks: 48

      • [ Company News ] How to distinguish the flame retardant and fire resistance of cables

        How to distinguish the flame retardant and fire resistance of cable Some electrical construction personnel can't distinguish between the concept of flame retardant cable and fire resistant cable, and do not know much about the structure and characteristics of the two. Then, how to distinguish the flame retardant and fire resistance of cable? Flame retardant cable refers to: under the specified test conditions, the sample is burned, after the test fire source is removed, the spread of the flame is only within a limited range, and the residual flame or residue is limited
        Release time: 2019-09-05 Clicks: 48

      • [ Company News ] What are the main processes of wire and cable production

        What are the main processes of wire and cable production? Wires and cables are produced through several main processes such as drawing, twisting, and covering. The more complicated the model specifications, the higher the repeatability. 1. Drawing In the process of metal pressing, the metal is forced through a die (press wheel) under the action of external force, the cross-sectional area of the metal is compressed, and the required cross-sectional area shape and size are obtained.
        Release time: 2019-09-02 Clicks: 42

      • [ Technical knowledge ] What are the repair measures for the damaged surface of the cable sheath?

        What are the repair measures for the damaged surface of the cable sheath? Zhengzhou Power Cable Co., Ltd. will explain to you the repair measures for the damage of the surface of the cable sheath. I hope it can help everyone. During the field laying of the cable, the surface of the cable sheath is scratched and damaged. As for the sheath, how to repair it can ensure the quality, and the repair time is short.
        Release time: 2019-08-30 Clicks: 70

      • [ Technical knowledge ] How to solve the failure of the overhead cable?

        What should I do if the overhead cable fails? Methods to prevent shortcomings of overhead cables: 1. Make a calculation of short-circuit current, properly select and verify electrical equipment, and make the rated voltage of electrical equipment match the rated voltage of the line. 2. Correctly select the setting value of relay maintenance and the rated current of the melt, and select quick-break maintenance equipment, so that short-circuit power can be blocked quickly when a short-circuit occurs.
        Release time: 2019-08-15 Clicks: 43

      • [ Technical knowledge ] Causes and precautions of wire and cable damage in winter

        Reasons and precautions for wire and cable damage in winter. In the winter, many construction workers will find that when laying and installing wires and cables, usually good quality wire and cable products will often have some hard bodies and damaged insulation sheaths. Many construction workers think that there is a quality problem in the wire and cable product itself, and Chengdu wire and cable manufacturers also insist on the product
        Release time: 2019-08-09 Clicks: 55

      • [ Technical knowledge ] Advantages of high voltage cable power supply

        Advantages of high-voltage cable power supply 1, improve transmission capacity. The natural power of a 1000kV UHV transmission line is close to 5 million kilowatts, which is about five times that of a 500kV transmission line. ± 800kV DC UHV transmission capacity can reach 6.4 million kilowatts, which is 2.1 times that of ± 500kV HVDC and 1.7 times that of ± 620kV HVDC
        Release time: 2019-08-05 Clicks: 41

      • [ Industry News ] Moisture and fireproof storage of wires and cables

        Wire and cable moisture-proof and fire-resistant storage The use of wire and cable is important, and it cannot be ignored that its storage is also very important. Wires and cables must be stored in a moisture-proof and fire-proof manner to protect the product from moisture and prevent fire. Wires and cables are conductors that transmit electrical energy and information. Wire and cable manufacturers use a coating to coat the product's appearance during production. Whether used overhead or buried
        Release time: 2018-12-08 Click times: 47

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