I. Information Related to the Product Itself
(I) Specification Parameters
The copper core
XLPE PVC Cable is designed as a single - core (1X) cable, with common specifications including 1X50mm², 1X95mm², 1X120mm², 1X300mm², and 1X400mm². It has a rated voltage of 1kV, and all parameters meet the relevant standards for low - voltage power transmission.
Current - carrying capacity is one of the important parameters of this cable, and there are obvious differences in current - carrying capacity among different specifications. The current - carrying capacity of the 1X50mm² cable in a standard environment is about 120 - 150A; the current - carrying capacity of the 1X95mm² cable can reach 180 - 220A; the current - carrying capacity of the 1X120mm² cable is about 220 - 260A; the current - carrying capacity of the 1X300mm² cable can reach 380 - 450A; and the current - carrying capacity of the 1X400mm² cable is around 450 - 520A. These current - carrying capacity data are obtained under the conditions of an ambient temperature of 25℃ and laying in the air. If the actual laying ambient temperature rises, such as reaching 40℃, the current - carrying capacity needs to be corrected, usually by 15% - 20%. If pipe laying is adopted, the current - carrying capacity will also decrease by 10% - 15%.
The outer diameter of the cable also varies with specifications. The outer diameter of the 1X50mm² cable is approximately 15 - 18mm; the outer diameter of the 1X95mm² cable is about 18 - 22mm; the outer diameter of the 1X120mm² cable is about 22 - 25mm; the outer diameter of the 1X300mm² cable is about 30 - 35mm; and the outer diameter of the 1X400mm² cable is around 35 - 40mm. Due to differences in process details among different manufacturers, the outer diameter may have slight deviations, but they are all within a reasonable error range.
In addition, the conductor of the cable is made of high - purity copper, and its DC resistance at 20℃ has strict standards. The DC resistance of the 1X50mm² conductor shall not be greater than 0.387Ω/km; that of the 1X95mm² shall not be greater than 0.206Ω/km; that of the 1X120mm² shall not be greater than 0.162Ω/km; that of the 1X300mm² shall not be greater than 0.0628Ω/km; and that of the 1X400mm² shall not be greater than 0.0470Ω/km, ensuring that the loss of current during transmission is at a low level.
(II) Characteristic Uses
Relying on its own performance characteristics and the advantages of current - carrying capacity of different specifications, the copper
Core XLPE PVC cable is widely used in various low - voltage power transmission scenarios.
The 1X50 - 120mm² cable has a moderate current - carrying capacity and is suitable for medium and low - power power transmission scenarios. In building distribution branches, such cables play an important role. For example, in the distribution branch lines of each floor in residential buildings, which need to distribute power from the main line to each household, the 1X50 - 120mm² cable can stably complete this task and ensure the daily electricity consumption of residents. The power supply of small motors is also a common application scenario. For some small equipment such as small water pumps and fans, their power is relatively small, and the cable of this specification can ensure the normal start - up and operation of the motor. In addition, the lighting and ordinary socket lines in shopping malls, supermarkets and other places have moderate power demand, and the 1X50 - 120mm² cable can meet their power transmission needs, allowing the lighting system and various small electrical appliances to work normally.
The 1X300 - 400mm² cable has a larger current - carrying capacity and is suitable for high - power power transmission scenarios. The main power supply of industrial equipment has high requirements for power transmission. Some large machine tools, large compressors and other equipment need a lot of power when running. The 1X300 - 400mm² cable can provide stable power support for them to ensure the continuous operation of the equipment. The outgoing line of a large transformer needs to transmit power efficiently, and the 1X300 - 400mm² cable can undertake this task and reduce the loss of power during transmission. In the distribution trunk line of a large factory, due to the involvement of many high - power equipment and large power load, the 1X300 - 400mm² cable can meet its large - capacity power transmission demand and ensure that the factory production is not affected by the power supply.
The single - core design gives the cable unique advantages in single - phase power transmission. For some scenarios that require separate wiring, such as the power supply line of billboards, the single -
Core Cable is flexible in wiring and can be laid according to actual needs without being restricted by the binding of multiple cores. In some small photovoltaic power generation systems, the connecting line between the photovoltaic panel and the inverter can be more conveniently installed and arranged with the single - core cable.
(III) Material and Style
In terms of material selection, the copper core XLPE PVC cable takes both performance and practicality into account, and its style design also meets the actual use needs.
In terms of materials, the conductor is made of high - purity copper, with a purity usually above 99.9%. High - purity copper has excellent conductivity, which can effectively reduce the loss during current transmission and improve the efficiency of power transmission. At the same time, copper has good ductility and
Flexibility, which is convenient for the processing and laying of cables, and is not easy to break during bending and dragging.
The insulation layer uses XLPE (cross - linked polyethylene) material, which is a kind of polyethylene after cross - linking treatment. XLPE has excellent temperature resistance, with a long - term working temperature of up to 90℃, and can even withstand higher temperatures in a short time. This enables the cable to work stably in the peak period of electricity consumption in summer or in places with high ambient temperatures. It has excellent insulation performance and high insulation resistance, which can effectively prevent current leakage and ensure electricity safety. In addition, XLPE also has good mechanical strength and chemical corrosion resistance, which can resist the damage of external factors to the insulation layer.
The sheath is made of PVC (polyvinyl chloride) material. PVC has good corrosion resistance, which can resist the erosion of acid and alkali substances in the soil, corrosive gases in the air and other substances on the cable, and prolong the service life of the cable. It has strong mechanical protection ability, can withstand a certain external impact and extrusion, and protect the internal conductor and insulation layer from damage. At the same time, the
PVC Sheath also has certain flame - retardant performance, which is not easy to burn when encountering an open flame, can delay the spread of fire and improve the safety of the cable.
In terms of style, the cable has a single - core structure, with an overall cylindrical shape and a simple appearance. The color of the cable is usually dark colors such as black or gray. On the one hand, it can reduce the temperature rise caused by direct sunlight; on the other hand, it can better adapt to different laying environments. The surface of the cable will clearly be printed with marks such as model, specification, rated voltage and manufacturer, which is convenient for users to identify and trace.
(IV) Production Process
The production process of the copper core XLPE PVC cable is rigorous and meticulous. Each process has an important impact on product quality to ensure that the cable performance meets relevant standards.
The first is the conductor manufacturing link. High - purity copper rods are selected as raw materials, and the copper rods are drawn into
Copper Wires of the required diameter through a wire drawing machine. During the wire drawing process, the wire drawing speed and die precision must be strictly controlled to ensure that the diameter of the copper wire is uniform. The drawn copper wire needs to be annealed. The copper wire is heated to a certain temperature (usually 300 - 500℃) and then slowly cooled to eliminate the internal stress of the copper wire and improve its flexibility and conductivity. After that, according to the cable specification, multiple copper wires are stranded together to form a conductor. During stranding, it is necessary to ensure that the stranding is uniform and tight to enhance the structural stability of the conductor.
Next is the insulation extrusion process. A special extruder is used to coat the XLPE material on the surface of the conductor to form an insulation layer. Before extrusion, it is necessary to pretreat the XLPE material to remove moisture and impurities. During the extrusion process, parameters such as extrusion temperature, pressure and speed must be accurately controlled, and the general extrusion temperature is about 120 - 150℃. Ensure that the insulation layer has a uniform thickness, a smooth surface and no defects such as bubbles and impurities. After extrusion, the insulation layer is cross - linked. A common method is chemical cross - linking. A cross - linking agent is added to the XLPE material, and the material is heated to undergo a cross - linking reaction to form a three - dimensional network structure, thereby improving the performance of the insulation layer.
Then is the sheath extrusion process. The wire core after insulation treatment is sent to the sheath extruder, and the PVC material is extruded and coated on the outside of the insulation layer to form a sheath. It is also necessary to control the extrusion parameters to ensure that the sheath has a uniform thickness and is closely combined with the insulation layer. The extruded sheath is cooled and shaped in a cooling water tank to make the sheath solidify quickly.
During the production process, multiple quality inspection steps are required. For example, the detection of conductor diameter, insulation layer thickness and sheath thickness to ensure that they meet the design requirements; insulation resistance test, voltage withstand test, etc. to inspect the electrical performance of the cable; sampling inspection of the mechanical properties of the cable, such as tensile strength and elongation at break. Only the cables that pass all inspections can enter the subsequent links.
Finally, the qualified cables are printed with product - related information on the surface of the sheath, and then cut and wound according to the specified length to complete the entire production process.
II. General Product Information
(I) Packaging
The packaging of the copper core XLPE PVC cable is intended to protect the cable from damage during storage and transportation, and at the same time facilitate handling and management.
For long - length cables, wooden reels are usually used for packaging. The wooden reels are made of hard and non - deformable wood and have sufficient load - bearing capacity. The cable is neatly wound on the wooden reel, and the tension should be controlled during winding to prevent the cable from being deformed due to being too tight or loose due to being too loose. Baffles are installed on both sides of the wooden reel, and their height is slightly higher than the winding height of the cable, which can effectively prevent the cable from slipping during transportation and handling. A layer of plastic film is wrapped around the outer layer of the cable to prevent moisture and dust and avoid contamination and corrosion of the cable surface. The wooden reel will be marked with the model, specification, length, weight, manufacturer, production date and other information of the cable in eye - catching words and symbols, which is convenient for identification and counting.
Short - length cables are generally packaged in cartons. The cartons are made of high - strength corrugated paper, and foam boards or soft fillers are placed inside to fix the cables in the cartons to prevent the cables from colliding with each other due to shaking during transportation, resulting in sheath wear or structural damage. The surface of the carton is also printed with product - related information, and warning signs such as "Handle with Care" and "Moisture - proof" are marked.
Whether it is wooden reel packaging or carton packaging, the packaging must be firm and reliable and can withstand bumps and squeezes during transportation. At the same time, packaging materials must meet environmental protection requirements and be recyclable.
(II) Transportation
The transportation of the copper core XLPE PVC cable requires a reasonable choice of transportation mode and good protective measures during transportation to ensure that the cable is safely delivered to the destination.
The choice of transportation mode should be determined according to factors such as the quantity, specification and transportation distance of the cable. For short - distance transportation, truck transportation is generally used. Trucks have high flexibility and can directly deliver the cables to the customer's designated location, reducing handling in intermediate links. For long - distance transportation with a large number of cables, railway transportation can be chosen. Railway transportation has good stability, is less affected by the weather, has a large transportation volume and can reduce transportation costs. For exported cables, sea transportation is usually used. Sea transportation is suitable for transporting large - specification and long - length cables, but the transportation time is relatively long, so it is necessary to plan the transportation time in advance.
Protective measures during transportation are crucial. The cable should be placed stably during loading. Cables packaged with wooden reels should be placed horizontally to avoid tilting or inverting to prevent the cables from slipping off the wooden reels. After loading, the wooden reels should be fixed on the transport tool with steel wire ropes or fastening belts to prevent shaking and collision during transportation. During transportation, the cable should be avoided from severe bumps and impacts. The driver should drive smoothly and try to reduce operations such as sudden braking and sharp turns.
During transportation, attention should also be paid to moisture protection and sun protection. When transporting in rainy days, the cables should be completely covered with rainproof cloth to ensure that no rainwater seeps into the packaging. When transporting in high - temperature weather, it is necessary to avoid the cable being exposed to the sun for a long time. Transportation can be chosen during cool periods or sunshade treatment can be carried out on the cable to prevent the cable from being affected by high temperature.
When loading and unloading cables, special hoisting equipment such as forklifts and cranes should be used, and manual dragging or rolling of cables is strictly prohibited. When hoisting, the lifting point should be found correctly to avoid damage to the wooden reel or cable due to improper hoisting. During loading and unloading, handle with care to prevent the cable from being severely collided.
(III) Shipment
The shipment process of the copper core XLPE PVC cable is standardized and orderly to ensure that the products are delivered to customers accurately and in a timely manner.
Order confirmation is the first step of shipment. After receiving a customer's order, the sales staff should communicate with the customer in a timely manner to recheck the cable model, specification, quantity, delivery address, delivery time, payment method and other information to ensure consistency with the customer's needs. At the same time, check the customer's payment status and arrange subsequent shipment matters after collecting the corresponding payment according to the contract agreement.
In the stock preparation link, warehouse managers retrieve the corresponding cables from the inventory according to the order information. If the inventory is insufficient, the production department should be notified in a timely manner to arrange production to ensure that the stock preparation is completed within the agreed delivery time. During the stock preparation process, a preliminary inspection of the cable should be carried out to check whether the packaging is intact, the marks are clear, and the length meets the order requirements.
After the stock preparation is completed, quality inspectors will conduct an outgoing inspection of the cable. The inspection content includes the appearance quality of the cable and sampling inspection of electrical performance. Only the cables that pass the inspection can be arranged for shipment. After passing the inspection, a product quality inspection report will be issued to accompany the goods.
When shipping, appropriate transport vehicles are arranged according to the quantity of cables and the transportation mode, and loading is carried out by designated personnel. After loading, recheck the goods information to ensure consistency with the order. Then, timely notify the customer of information such as the license plate number of the transport vehicle, the driver's contact information and the estimated arrival time to facilitate the customer's preparation for receiving the goods.
After shipment, track the goods. Obtain information on the transportation status of the goods, such as the transportation location and estimated arrival time, through the transportation company and feed it back to the customer in a timely manner. If abnormal situations occur during transportation, such as traffic jams and vehicle failures, communicate with the customer in a timely manner to negotiate solutions.
(IV) Samples
In order to allow customers to better understand the performance and quality of the copper core XLPE PVC cable, the company provides sample services with a simple and efficient process.
Customers can apply for samples through various methods such as phone calls, emails and online customer service. When applying, it is necessary to provide information such as the model, specification, quantity of the required cable, as well as the detailed receiving address, contact person and contact number. After receiving the sample application, the company will verify the application information within 1 - 2 working days and arrange for sample preparation after confirmation.
The specification of the sample is usually 1 - 2 meters long, which can meet the customer's preliminary understanding of the cable's appearance, material and flexibility. Samples are cut from qualified products to ensure that they are consistent with the quality of mass - produced products. The model, specification and other information will be marked on the sample for the customer's identification.
After the samples are prepared, they will be sent by express. In order to ensure that the samples are not damaged during transportation, the samples will be simply packaged, such as wrapped in a plastic bag and then put into a hard envelope or a small carton. At the same time, product manuals, sample inspection reports and other materials will be attached to help customers understand the product more comprehensively.
Samples are generally provided free of charge, but the express fee is borne by the customer. The company will timely inform the customer of the express waybill number after sending the sample to facilitate the customer to track the logistics information of the sample. After receiving the sample, if the customer has any questions about the sample, such as questions about material and performance, the company's professional and technical personnel will provide timely and professional answers to help customers solve their doubts.
(V) After - sales Service
The company attaches great importance to the after - sales service of copper core
XLPE PVC Cables and provides customers with comprehensive support and guarantees to ensure that customers have no worries during use.
In terms of quality assurance, the company provides a 1 - 2 year warranty period for the sold cables, calculated from the date when the customer receives the goods. Within the warranty period, if the cable fails due to its own quality problems, such as insulation layer breakdown and conductor breakage, the customer can apply for after - sales service with the purchase certificate and fault photos. After receiving the application, the company will arrange technical personnel to verify the fault situation. After confirming that it is a quality problem, it will provide customers with free repair or replacement services.
Technical support is an important part of after - sales service. The company has a professional technical team that can provide customers with technical consultation on cable selection, laying, installation and maintenance. When customers encounter any technical problems during the use of cables, they can contact the company by phone, email, etc. Technical personnel will give professional answers and guidance within 24 hours. If necessary, the company can also arrange technical personnel to provide on - site technical services.
For cable damage caused by non - quality problems, such as man - made damage, improper installation, and the use environment exceeding the product's bearing range, the company can also provide maintenance services. Before maintenance, the damage situation will be evaluated, and the customer will be informed of the cost and time required for maintenance. Maintenance will be carried out only after the customer agrees. After the maintenance is completed, the maintenance part will be tested to ensure that it meets the use requirements.
The company will also conduct regular return visits to customers to understand the use of cables and collect customers' opinions and suggestions. According to customers' feedback, it will continuously improve product quality and service level to improve customer satisfaction. At the same time, it will provide customers with knowledge on product maintenance to help customers extend the service life of cables.
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