Language

0515-83835888
Home / Products / Metal copper foil production and processing equipment / Copper Foil Slitting Machine

Copper Foil Slitting Machine

The working principle of the slitting machine is to slit the large roll of copper foil into the required size and width through a series of operations. The working steps are as follows:

1. Tension control: tension a roller at the feed end of the copper foil slitting machine to firmly fix the bulk of copper foil.

2. Leading: the system will guide the copper foil to the cutting area to ensure that the copper foil remains flat during the cutting process;

3. Cutting: The copper foil slitting machine cuts the copper foil through the cutting knife group.

4. Guiding: The cut copper foil will be guided by the guiding system to send the slit copper foil to the next process.

5. The copper foil slitting machine is generally equipped with a winding device to rewind the slit copper foil for subsequent packaging and transportation. During the whole process, the copper foil slitting machine will automatically control according to the set cutting size and width to ensure the accuracy and stability of the slitting. Some high-end copper foil slitting machines can also be equipped with functions such as automatic tension adjustment, automatic positioning and cutting speed adjustment to further improve work efficiency and quality.

Product parameter

Width of copper foil before cutting: 1380mm (customized according to customer's requirements)

Width of the finished product: 200~1320 ±0.5mm (adjustable)

The thickness of the copper foil: 4~12μm

Maximum weight of unwinding: 2000kg

Maximum diameter of unwinding: φ600mm

Maximum weight of winding: 300kg

Core Roller of unwinding: φ210mm

Maximum mechanical speed: 100m/min

Slitting tension: 0~1000N (continuously variable)

The 2 air-expansion shaft each has an independent tension control and regulation system.

Static balance of each drive shaft: ≤5g

Roundness of guide roller for each function: <0.015mm

Parallelism between guide rollers: <0.02mm

Hongtian Technology Co., Ltd.

About Us

Hongtian Technology Co., Ltd. is China Copper Foil Slitting Machine Manufacturers and Copper Foil Slitting Machine Suppliers. And it was established in 2012, with a registered capital of 10 million yuan, is a national high-tech enterprise.
Headquartered in Shanghai, China, the company has a number of wholly-owned and holding subsidiaries in Nantong, Yancheng and other places in Jiangsu Province, and has established R & D centers in China and Japan to layout the global market. At present, the company has grown into a well-known domestic new energy intelligent equipment manufacturer, and is a enterprise in the field of lithium copper foil equipment in the country. The company's core technical team led by Mr. Matsuda Mitsuya in Nagoya, Japan, focuses on the development and integration of high-end manufacturing equipment and automation system in the field of high precision electromechanical equipment. Through the introduction of Japanese advanced technology and design concepts and the import of original precision parts from Japan, the various equipment products produced by the company have become industry benchmarks.

Honor

  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate
  • honor
    Patent Certificate

News

Contact us now

Industry knowledge

1.What is the Working Principle of a Copper Foil Slitting Machine?
A copper foil slitting machine is an essential piece of equipment used in industries that require precision cutting of copper foil for a variety of applications, such as electronics, automotive, renewable energy, and more. The working principle behind this machine is designed to ensure that a large roll of copper foil is cut into smaller, accurate widths while maintaining the quality of the material. Hongtian Technology Co., Ltd. has developed a state-of-the-art copper foil slitting machine that incorporates innovative technology to achieve high precision and efficiency, making it a leader in the industry.
The copper foil slitting process begins with the unwinding of a large roll of copper foil. A tension control system, which includes a roller at the feed end of the machine, is employed to securely hold the copper foil in place. This tension ensures that the foil is fed into the machine without slack or wrinkles, which could affect the slitting process. The tension control system plays a vital role in stabilizing the foil as it moves toward the cutting area.
Once the copper foil is properly positioned and tensioned, it enters the guiding system, which ensures that the foil is aligned correctly as it approaches the slitting knives. The cutting knives, mounted in a group, then cut the foil into the required widths according to the set specifications. These knives are designed to ensure clean and precise cuts, preventing any tearing or misalignment that could compromise the quality of the final product.
After the copper foil is cut, it is immediately guided by another system that directs it to the next stage of the process, which could be packaging, further processing, or transport. To ensure high throughput and minimal downtime, Hongtian Technology Co., Ltd.'s copper foil slitting machines can be equipped with additional features such as automatic tension adjustment, automatic positioning, and variable cutting speed. These features allow the machine to adapt to different types of copper foil and cutting requirements, improving work efficiency and product quality. 

2.How Does Tension Control Improve the Accuracy of Slitting?
Tension control is one of the most crucial components in a copper foil slitting machine, as it directly impacts the accuracy and consistency of the slitting process. Inaccurate tension can cause several problems, such as foil stretching, misalignment, or irregular cutting widths, all of which can compromise the quality of the final product. Hongtian Technology Co., Ltd. understands the importance of precise tension control, its copper foil slitting machines are equipped with advanced tension control systems to ensure that each cut is as accurate as possible.
The machine’s tension system consists of a tension roller at the feed end, which holds the unwound copper foil tightly. By applying the right amount of tension, the foil remains stable and does not shift, stretch, or bunch up as it moves through the cutting area. This ensures that the material remains flat and uniform, which is critical for achieving precise slitting results. The tension is adjustable, allowing operators to modify it according to the material's specific requirements. For example, the tension control system on the machine can be set to a range of 0 to 1000N, accommodating different foil thicknesses (ranging from 4 to 12 microns) and widths (ranging from 200mm to 1320mm).
Hongtian Technology Co., Ltd. has designed the copper foil slitting machine with independent tension control systems for each air-expansion shaft. This added functionality allows for fine-tuned adjustments to the tension on different parts of the copper foil, ensuring uniformity across the entire width of the material. This capability is especially important for slitting high-quality copper foil used in sensitive applications, such as PCB manufacturing and lithium-ion batteries.
The precision tension control in Hongtian Technology Co., Ltd.'s copper foil slitting machine results in a high level of consistency throughout the entire slitting process. It ensures that each strip of copper foil is cut to the exact dimensions specified by the customer, with no variations in thickness or width. In addition to enhancing cutting accuracy, the tension control system also minimizes the risk of material waste and reduces the likelihood of errors, thereby improving overall productivity and cost-effectiveness in the manufacturing process.

3.What Advanced Features Make the Copper Foil Slitting Machine More Efficient?
Hongtian Technology Co., Ltd. has developed an advanced copper foil slitting machine that incorporates several innovative features to enhance both the efficiency and quality of the slitting process. The company's focus on technological innovation ensures that the copper foil slitting machine is optimized for high-volume production, offering improved productivity, precision, and ease of use.
One of the standout features of the Hongtian copper foil slitting machine is its automatic tension adjustment system. This system continuously monitors and adjusts the tension of the copper foil during the slitting process, ensuring that the foil remains under optimal tension at all times. This automatic adjustment reduces the need for manual intervention and minimizes the risk of human error, making the entire process more efficient and reliable. The ability to adjust tension dynamically allows the machine to handle various thicknesses and grades of copper foil with ease, ensuring consistent performance across different materials.
Another key feature of the machine is the automatic positioning system, which guarantees that the copper foil is aligned precisely as it moves toward the slitting knives. This system improves the accuracy of each cut and reduces the risk of misalignment, which could lead to defects or waste. With automatic positioning, the slitting machine ensures that the cutting knives are always in the correct position, preventing any discrepancies in the finished product's width.
The variable cutting speed feature is also an important addition, as it allows operators to adjust the cutting speed based on the specific requirements of the copper foil being processed. For example, thicker or heavier rolls of copper foil may require slower cutting speeds, while thinner rolls can be slitted more quickly. By optimizing the cutting speed for each job, Hongtian Technology Co., Ltd.'s copper foil slitting machine can achieve maximum efficiency while maintaining product quality.
The copper foil slitting machine also boasts high mechanical precision, with features such as static balancing of each drive shaft to ≤5g and roundness of guide rollers to <0.015mm. These design elements ensure smooth and consistent operation, preventing any vibrations or misalignments that could negatively impact the quality of the cuts.