I. From the Perspective of the Product Itself
(1) Specification Parameters
The U1000 Copper Cable series of
Power Cables have rich and precise specification parameters, providing diversified options for different power transmission scenarios. This series includes multiple specifications such as 5g16, 5g25, 5g35, 5g50, and 5g70. The core difference lies in the cross-sectional area of the conductors. The conductor cross-sectional area of 5g16 is 16mm², 5g25 is 25mm², 5g35 is 35mm², 5g50 is 50mm², and 5g70 is 70mm².
In terms of rated voltage, all cables in this series can withstand a working voltage of 1000V and above, making them suitable for medium and high-voltage power transmission scenarios. This voltage level enables them to meet the high-voltage requirements for power transmission in industrial production, energy supply, large-scale construction and other fields.
The DC resistance of the conductor is an important parameter to measure the conductivity of the cable. The U1000 Copper Cable series uses high-purity electrolytic copper as the conductor, and the conductor DC resistance of each specification of cable is controlled at an extremely low level. Taking 5g16 as an example, its conductor DC resistance is not greater than 1.15Ω/km, 5g25 is not greater than 0.727Ω/km, 5g35 is not greater than 0.524Ω/km, 5g50 is not greater than 0.387Ω/km, and 5g70 is not greater than 0.268Ω/km, ensuring minimal energy loss during current transmission.
Insulation resistance is also an important parameter of this series of cables. The insulation layer is made of cross-linked polyethylene (XLPE) material. At 20℃, the insulation resistance constant is not less than 1000MΩ·km, which can effectively block current leakage and ensure the safety and stability of power transmission.
In addition, the voltage withstand strength of this series of cables is excellent. In the power frequency withstand voltage test, they can withstand 10kV voltage for 5 minutes without breakdown, fully reflecting their good insulation performance and voltage withstand capacity. In terms of flame retardant grade, cables with flame-retardant polyvinyl chloride (PVC) or halogen-free low-smoke materials as sheaths meet the corresponding flame retardant standards. For example,
PVC Sheathed Cables can meet the class B flame retardant requirements in GB/T 18380.3-2008, and halogen-free low-smoke
Sheathed Cables can meet the characteristics of low smoke, halogen-free and flame retardant, providing safety guarantees for use in different environments.
(2) Characteristic Uses
The U1000 Copper Cable series of power cables have characteristic uses in multiple fields due to their diverse specifications and excellent performance.
In the industrial field, cables of different specifications have their own roles. Cables of 5g16 and 5g25 specifications are suitable for power distribution systems of small and medium-sized industrial equipment, such as machine tools, fans, water pumps, etc. These equipment have relatively small power, and the cross-sectional areas of 16mm² and 25mm² can meet their power needs. At the same time, the
Flexibility of the cables facilitates laying inside the equipment and in the workshop. Cables of 5g35, 5g50 and 5g70 specifications are often used for power transmission of high-power equipment such as large industrial production lines and heavy machinery. For example, in the welding production line of an automobile manufacturing plant, a large amount of power is needed to drive welding robots and other equipment. Cables of 5g50 and 5g70 specifications can stably provide sufficient power to ensure the continuous operation of the production line.
The energy field is also an important application scenario for this series of cables. In the power distribution of substations, cables of 5g35 and above specifications play a key role, converting high-voltage electricity into low-voltage electricity and distributing it to various power consumption areas. In wind farms, cables need to adapt to harsh outdoor environments. The weather resistance and corrosion resistance of this series of cables enable them to work stably for a long time under wind, sun and rain conditions, transmitting the electricity converted from wind energy to the power grid. In solar
Power Stations, reliable cables are also needed to connect solar panels and inverters. Cables of 5g16 and 5g25 specifications perform well in such medium and low-power transmission scenarios.
In the construction field, the U1000 Copper Cable series also have a wide range of applications. In large commercial complexes, such as shopping malls and office buildings, cables of 5g25 and 5g35 specifications are used for power supply of air conditioning systems, lighting equipment, elevators, etc. These places have dense electrical equipment and high requirements for power stability. This series of cables can ensure the continuous supply of power, avoiding inconvenience and losses caused by power outages. In high-rise buildings, the vertical laying of cables needs to consider self-weight and mechanical strength. Cables of 5g50 and 5g70 specifications can meet this laying demand with their solid structure and good mechanical properties.
In addition, this series of cables are also suitable for urban power grid transformation projects. With the continuous growth of urban electricity load, the original cables may not meet the demand. Replacing them with U1000 Copper Cable series can improve the transmission capacity and reliability of the power grid. In underground pipe network construction, the corrosion resistance of this series of cables enables them to adapt to the humid and impurity-rich underground environment, ensuring the stable supply of urban power.
(3) Material and Style
The U1000 Copper Cable series of power cables fully consider performance and usage needs in material selection and style design.
In terms of materials, the conductor is made of high-purity electrolytic copper with a purity of more than 99.95%. High-purity copper has excellent conductivity, which can reduce energy loss during current transmission and improve power transmission efficiency. At the same time, electrolytic copper has good ductility and plasticity, and can withstand mechanical actions such as bending and stretching without breaking during cable processing and laying, ensuring the service life of the cable.
The insulation layer is made of cross-linked polyethylene (XLPE) material, which has excellent temperature resistance and can be used for a long time in an ambient temperature range of -40℃ to 90℃, meeting the temperature requirements of different environments. XLPE material has good chemical stability, is not easily affected by oxygen, ozone, ultraviolet rays and other factors to age, and can maintain good insulation performance for a long time. In addition, its high insulation resistance and low dielectric loss further ensure the stability of power transmission.
There are two choices for sheath materials: flame-retardant polyvinyl chloride (PVC) and halogen-free low-smoke materials. The flame-retardant
PVC Sheath has good mechanical strength, wear resistance and corrosion resistance, which can protect the internal structure of the cable from external mechanical damage and chemical erosion. At the same time, its flame-retardant performance can delay the spread of flames, buying time for personnel evacuation and fire fighting in case of fire. Halogen-free low-smoke sheath materials do not release toxic and harmful gases and a large amount of smoke when burning, and are suitable for places with high environmental protection and safety requirements, such as hospitals, subways, high-rise buildings, etc., which can reduce secondary injuries in case of fire.
In terms of style design, this series of cables all adopt a
Multi-Core stranded structure, and each specification contains 5
Insulated Cores. The stranding process makes the cable have good flexibility, facilitating laying in complex environments, whether bending, threading or overhead. The appearance color of the cable varies according to the sheath material.
PVC Sheathed Cables are usually black, while halogen-free low-smoke sheathed cables have various choices such as gray and blue, which is convenient for users to identify and select according to the use environment and needs.
In addition, the cable has clear identification. The sheath surface is printed with product name, model specification, rated voltage, manufacturer, production date and other information, which is convenient for users to identify, accept and trace.
(4) Production Process
The production process of U1000 Copper Cable series power cables is advanced and rigorous, ensuring the quality and performance of the products.
The first is the manufacturing process of the conductor. High-purity electrolytic copper rods are selected as raw materials, and the copper rods are drawn into
Copper Wires of the required diameter through the wire drawing process. During the wire drawing process, the drawing speed, die size and cooling method are precisely controlled to ensure that the diameter of the copper wire is uniform and the surface is smooth. The drawn copper wire is annealed, which involves heating the copper wire to a certain temperature, keeping it warm for a period of time, and then slowly cooling it to eliminate internal stress in the copper wire and improve its flexibility and conductivity. The annealed copper wires are stranded into conductors of different cross-sectional areas through bunching or compound stranding processes. During the stranding process, the stranding pitch is strictly controlled to ensure that the structure of the conductor is tight and round, reducing the skin effect during current transmission and improving the conductivity efficiency.
Next is the extrusion process of the insulation layer. Cross-linked polyethylene (XLPE) material is used, and it is extruded and coated on the surface of the conductor through a special extruder to form an insulation layer. Before extrusion, the XLPE material needs to be pretreated to remove moisture and impurities to ensure the quality of the insulation layer. During the extrusion process, the extrusion temperature, pressure and speed are precisely controlled to make the molten XLPE material evenly coat the conductor, forming an insulation layer with uniform thickness and smooth surface. After extrusion, the insulation layer is cross-linked. By heating, the XLPE molecules undergo a cross-linking reaction to form a three-dimensional network structure, thereby improving the temperature resistance, mechanical strength and chemical stability of the insulation layer.
Then there is the cabling process. The 5 insulated cores are stranded into a cable according to a certain stranding direction and pitch. During the stranding process, filling materials are placed to make the cable core structure round and stable. The filling material is usually polypropylene rope or asbestos rope, which has good flexibility and corrosion resistance, and can buffer the interaction between the cores and reduce wear during laying. After cabling, a layer of non-woven fabric or polyester tape is wrapped around the cable core to play the role of binding and isolation, preventing the core from loosening and the sheath material from seeping into the cores.
Finally, the extrusion process of the sheath is carried out. According to user needs, flame-retardant PVC or halogen-free low-smoke materials are selected as sheath materials, and they are extruded and coated on the outside of the cable core through an extruder to form a sheath. The process control during the extrusion process is similar to that of the insulation layer extrusion, ensuring that the sheath has uniform thickness, smooth surface and close combination with the cable core. After extrusion, the cable is cooled, pulled and taken up to form a finished cable.
During the production process, strict quality inspection is also required. The diameter and DC resistance of the conductor are tested to ensure that they meet relevant standards; the thickness, insulation resistance and voltage withstand performance of the insulation layer are tested to ensure that the insulation performance meets the standards; the structural size and appearance of the cabled cable are inspected; the finished cable also needs to undergo multiple performance tests such as power frequency withstand voltage test and partial discharge test. Only products that all meet the standards can leave the factory.
II. From the Perspective of General Product Information
(1) Packaging
The packaging design of U1000 Copper Cable series power cables aims to protect the products, facilitate transportation and storage, and adopts a scientific and reasonable packaging method.
For cables with longer lengths, cable reels are usually used for packaging. There are two types of cable reels: wooden and steel. Wooden cable reels have low cost and light weight, and are suitable for short-distance transportation and small-batch delivery; steel cable reels have high strength and large bearing capacity, and are suitable for long-distance transportation and large-batch delivery, which can effectively protect the cables from damage during transportation.
When the cable is wound on the cable reel, it is done according to a certain tension and order to ensure that the cable is arranged neatly and tightly, avoiding looseness, distortion or mutual friction. After winding, sealed 封头 are installed at both ends of the cable to prevent moisture, dust and other impurities from entering the cable. Then, the cable reel is wrapped with plastic film or linen as a whole. The plastic film has good moisture-proof performance, and the linen can play a role in wear resistance and protection, further protecting the cable from the influence of the external environment.
For short-length cables or samples, cartons or woven bags are used for packaging. Both cartons and woven bags have certain strength and moisture-proof performance, which can protect the cables from damage during handling and transportation. The packaging is printed with product name, model specification, quantity and other information, which is convenient for identification and counting.
In addition, all packages are clearly marked with relevant product information, such as model specification, length, weight, manufacturer, contact information, etc. At the same time, notes for transportation and storage are also marked, such as "Do not invert", "Handle with care", "Moisture-proof and sun-proof", etc., to remind transportation and storage personnel to handle the products correctly.
(2) Transportation
The transportation process of U1000 Copper Cable series power cables strictly follows relevant regulations to ensure that the products are delivered to the destination safely and timely.
In terms of transportation mode selection, according to the transportation distance, quantity and customer needs, road transportation, railway transportation, water transportation and other modes can be adopted. Road transportation has high flexibility and can realize door-to-door service, which is suitable for short-distance transportation and emergency delivery; railway transportation has large capacity, low cost and good stability, which is suitable for medium and long-distance transportation of large quantities of goods; water transportation has low cost and large capacity, which is suitable for transportation of goods in coastal areas or areas with inland waterway shipping conditions.
During transportation, the following points need to be noted: first, the cable reel should be placed stably and firmly fixed on the transport tool with steel wire ropes or iron chains to prevent tilting, rolling or collision during transportation; second, avoid the cable being exposed to direct sunlight, rain and immersion to prevent aging and dampness of the cable insulation layer and sheath; third, avoid the cable from contacting with sharp objects during transportation to prevent the sheath from being scratched; fourth, transport vehicles should abide by traffic rules, drive smoothly, and avoid sudden braking, sharp turns and other operations to reduce the impact on the cable.
For export products, they also need to meet international transportation standards and the import requirements of relevant countries, such as fumigation treatment and handling relevant transportation documents, to ensure that the products can pass customs smoothly.
Before transportation, the staff will carefully check the packaging and fixing of the cables, and arrange for delivery only after confirmation. During transportation, the logistics tracking system is used to monitor the transportation status of the goods in real time, and the location and transportation of the goods are timely grasped. In case of abnormal situations, measures are taken to deal with them in a timely manner.
(3) Delivery
The delivery process of U1000 Copper Cable series power cables is standardized and orderly, aiming to provide customers with timely and accurate goods supply.
After the customer places an order, the sales department will timely confirm the order information, including product model specification, quantity, delivery address, delivery time, etc., to ensure that the order information is accurate. Then, the order information is transmitted to the production department or warehouse department.
If the product is in stock, the warehouse department will prepare the goods according to the order information. During the goods preparation process, warehouse management personnel will conduct strict inspection on the products, check whether the appearance, identification and packaging of the products meet the requirements, and verify whether the quantity of the products is consistent with the order. After passing the inspection, the products are sorted out and wait for delivery.
If the product needs to be produced, the production department will formulate a production plan and arrange the production schedule according to the order requirements. During the production process, operations are carried out strictly in accordance with production processes and quality standards to ensure product quality. After production and passing the inspection, the products are sent to the warehouse, and the warehouse department prepares the goods.
Before delivery, the logistics department will select a suitable logistics company and transportation mode according to the order information and delivery address, and sign a transportation contract with the logistics company to clarify the rights and obligations of both parties. At the same time, cargo transportation insurance is handled to reduce risks during transportation.
When delivering goods, warehouse management personnel and logistics company staff jointly count and check the goods. After confirmation, they go through the handover procedures and fill in the goods handover form. Then, the delivery information is timely notified to the customer, including the name of the logistics company, the license plate number of the transport vehicle, the estimated arrival time, etc., to facilitate the customer to prepare for receipt.
For urgent orders, the company will start the expedited processing process, give priority to production and delivery, and ensure that the products can be delivered within the time required by the customer.
(4) Samples
In order for customers to better understand the performance and quality of the U1000 Copper Cable series power cables, the company provides sample services.
Customers can request samples from the company through various means such as phone calls, emails, and online consultations, specifying the model specification, quantity and purpose of the required samples. After receiving the sample request, the company will contact the customer within 24 hours to confirm the relevant details of the sample, such as whether special packaging is needed and the delivery method of the sample.
The preparation of samples is carried out in strict accordance with mass production processes and standards to ensure that the quality of the samples is consistent with that of mass-produced products. The length of the sample is generally 1-5 meters, and the specific length can be adjusted according to the customer's requirements. The prepared samples undergo strict quality inspection to ensure that their performance indicators meet the standards.
Samples are packaged in small cartons or plastic bags, with the product name, model specification, manufacturer and other information marked on the packaging for easy identification by customers. For samples that need to be mailed, the company will choose a reliable express delivery method for shipment and promptly inform the customer of the tracking number to facilitate the customer to track the logistics information of the samples.
In terms of sample costs, the company usually provides samples free of charge, but the mailing cost of the samples is borne by the customer, which can be negotiated with the customer. For customers with batch purchase intentions, the company may waive the sample fee or deduct the sample fee in subsequent orders.
After receiving the samples, if customers have any questions or opinions about the samples, they can contact the company at any time, and the company's technical personnel will provide professional answers and technical support for customers.
(5) After-sales Service
The after-sales service system of U1000 Copper Cable series power cables is perfect, committed to providing customers with all-round support and protection.
The company has set up a special after-sales service department, equipped with professional technical personnel and customer service staff, to provide customers with a 7×24-hour service hotline. Customers who encounter any problems during use, such as product quality problems, installation and commissioning problems, technical consultation, etc., can contact the after-sales service department through the service hotline, email, online customer service and other methods.
After receiving customer feedback, after-sales service personnel will respond promptly to understand the specific situation of the problem. For simple problems, they will provide customers with solutions in the shortest possible time; for complex problems, they will arrange technical personnel to conduct on-site investigation and handling.
If it is confirmed that it is a product quality problem, the company will provide customers with return, replacement or repair services according to the situation. During the product warranty period, for quality problems caused by non-human factors, the company will provide free repair or replacement services for customers; for products beyond the warranty period, the company will also provide preferential repair services.
In order to help customers better use the products, the company also provides technical training services. According to the needs of customers, technical personnel are arranged to provide training on product knowledge, installation technology, maintenance and other aspects for customers' installation and maintenance personnel, so as to improve the operation level of customers' personnel and reduce product failures caused by improper operation.
In addition, the company will conduct regular return visits to customers to understand the use of products and customer needs, collect customers' opinions and suggestions, and continuously improve product and service quality. Through perfect after-sales service, the company has established long-term and stable cooperative relations with customers and won the trust and praise of customers.
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