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In the copper foil production process, surface quality is a key factor in determining the performance and application of copper foil. From power batteries for new energy vehicles to printed circuit boards for electronic products, high-quality copper foil is the basis for ensuring the stable performance of these products. Among the many factors that affect the surface quality of copper foil, the accuracy of tension control is particularly important.
In the surface treatment process, copper foil needs to go through a number of complex processes, such as roughening, curing, alloying, etc. In these processes, the copper foil is always in a dynamic transmission process. If the tension control is unstable, even the smallest fluctuations can cause wrinkles and deformation of the copper foil. Once these problems occur, it will not only affect the flatness of the copper foil, but also may lead to uneven thickness of the copper foil, which in turn will reduce the conductivity, flexibility and other key performance indicators of the copper foil. For the battery manufacturing of high-end electronic products and new energy vehicles, this quality problem is unacceptable, because it may directly affect the service life and safety of the product.
Hongtian Technology's Surface Treatment Machine excels in tension control. The tension control range is 0 - 2000N (full width), which is a wide range to accommodate copper foil processing needs of different thicknesses, widths, and materials. Whether it's a regular-thickness copper foil for general electronic devices or an ultra-thin copper foil for high-end applications, the device provides the right amount of tension control. What's more, its tension control accuracy has reached ± 3%, which is the leading level in the industry.
High-precision tension control thanks to the Surface Treatment Machine's advanced control system. The equipment adopts the Japanese Ryan and Mitsubishi control systems, which are two well-known brands of control systems known for their high control accuracy and fast response. With this state-of-the-art control system, the device is able to monitor the tension changes of the copper foil during transmission in real time. Once a fluctuation in tension is detected, the control system is able to react quickly and compensate for the tension in real time by precisely adjusting the speed and torque of the drive motor, ensuring that the copper foil remains in a stable tension state throughout the surface treatment process.
Compared to other similar devices on the market, the Surface Treatment Machine's high-precision tension control advantage is even more obvious. Although some traditional equipment also has tension control function, the control accuracy is often limited, and it is difficult to meet the growing demand for high-end copper foil production. When dealing with copper foils that require high precision, these devices are prone to tension instability, resulting in uneven product quality. The Surface Treatment Machine, with its superior tension control performance, can effectively avoid these problems, resulting in a more stable and reliable surface quality of copper foil and a lower scrap rate.
In practice, the Surface Treatment Machine's high-precision tension control has brought significant benefits to many companies. For example, after the introduction of this equipment, the quality of lithium battery copper foil produced by a well-known lithium battery material company has been greatly improved. Previously, due to the unstable tension control, the surface of the copper foil produced by the company often had fine wrinkles, resulting in the problem that the electrodes and the copper foil were not tightly bonded during the battery manufacturing process, which affected the performance and safety of the battery. With the Surface Treatment Machine, these issues are effectively solved. The high-precision tension control ensures the flatness of the copper foil surface, so that the electrode and the copper foil are more closely bonded, and the energy density and cycle life of the battery are significantly improved. As a result, the competitiveness of the company's products in the market has also increased significantly, and the number of orders has increased.
A company that manufactures circuit boards for 5G communications equipment has seen a significant improvement in the quality of copper foil used in circuit boards after adopting the Surface Treatment Machine. In 5G communication equipment, the signal transmission performance of the circuit board is extremely high, and the surface quality of the copper foil directly affects the signal transmission efficiency. Previously, due to the surface quality of copper foil, the circuit boards produced by the company were prone to interference and attenuation during signal transmission. With the introduction of the Surface Treatment Machine, high-precision tension control ensures a smooth and flat copper surface, effectively reducing signal interference and attenuation, and improving the signal transmission performance of the board. The company's products not only meet the needs of the domestic 5G communication market, but also successfully enter the international market.
In addition to applications in lithium battery materials and 5G communications, the high-precision tension control of the Surface Treatment Machine also plays an important role in other copper foil applications. In the field of consumer electronics, with the trend of lightweight, thin and miniaturized electronic products, the quality requirements for copper foil are getting higher and higher. The Surface Treatment Machine produces high-quality copper foil to meet the needs of consumer electronics companies for thin, lightweight, high-performance copper foil. In the aerospace field, the reliability and stability of copper foil are extremely high, and the high-precision tension control of Surface Treatment Machine ensures that copper foil can maintain good performance in extreme environments, providing reliable material guarantee for the manufacture of aerospace equipment.
With the rapid development of new energy vehicles, 5G communications, consumer electronics and other industries, the demand for high-performance copper foil will continue to grow. This also puts forward higher requirements for the performance of copper foil surface treatment equipment. With its high-precision tension control, Hongtian Technology's Surface Treatment Machine will occupy a more favorable position in the future market competition. The company said that it will continue to increase R&D investment, and continuously optimize and upgrade the tension control technology of the equipment to meet the growing market demand for high-quality copper foil.