Are you looking for the best copper foil winding factories in China? With the rising demand for high-quality copper foil, especially in the lithium battery and electronics industries, it’s crucial to know which manufacturers stand out. Let’s dive into a comparison of the top copper foil winding factories in China, highlighting their production capacities, product quality, and innovative capabilities. From WASON and NUODE to TONGGUAN and others, we’ll explore what makes each of these companies a leader in the field.

Programmable automatic copper foil coil winding machine …

Product Details: The Programmable automatic copper foil coil winding machine (SS851F) is a digital type programmable foil coil winding machine. It features a high torsion DC winding motor and a 4-Phase Stepper Motor for spreading. The machine can wind copper foil with insulation Mylar tape and is suitable for winding reactive coils, electric power transformers, flat wire coils, and more. Key specifications include a maximum wire diameter of 5.0mm, copper/aluminum foil thickness of 0.03~2.8mm, and a maximum finished coil diameter of 200mm. The machine operates with a 500W DC Motor, has a maximum speed of 2500 RPM, and a memory capacity of

999 steps. It is powered by AC220V/110V + 10%, 50/60 Hz and has dimensions of 70x52x60 cm with a net weight of 46Kgs.

Pros:
– Microprocessor design for easy program-setting
– High spreading speed and precise winding using a stepper motor driven by a const…
– Ability to set the ‘Start Point’ via key panel or teachable function
– Wire passing through ceramic rollers to prevent enamel damage from high temperat…
– Multiple spindles for synchronous winding and highest efficiency
– Foot-switch connection for better efficiency
– Customizable according to coil size

Cons:
– Limited to a maximum wire diameter of 5.0mm for small coils with an outside diam…
– No mention of automated wire guiding or tensioning, which might require manual i…

Copper Foil Winding Machine

China copper foil winding Manufacturer, Supplier | TRIHOPE

Product Details: Copper foils for transformer winding, also known as transformer copper super thin strips, are primarily used in the transformers manufacturing industries. Commonly used copper grades include ETP Grade (Electrolytic Tough Pitch), C11000, UNS C10200 TU1, in temper O state. The thickness of the copper foil typically ranges from 0.01mm to 3.0mm, and the width can be customized from 5mm to 1200mm. These foils are totally annealed, have high strength, and exhibit electrical conductivity of above 99.80% IACS[1][3][5].

Pros:
– Higher power density and more compact design due to higher fill factor[2][5] – Improved electrical efficiency and reliability[5] – Reduced size and weight compared to wire-wound transformers[5] – Higher ambient temperature operating capability[5] – Uniform distribution and layering of the foil around the transformer’s core[3] – Less mechanical stress and better harmonic management[4][5]

Cons:
– More expensive and requires specialized equipment[2] – Complete oxidation once the oxidation process begins, leading to faster transfor…
– Volatile cost of copper, making it difficult to forecast costs[4] – Greater difficulty in creating electrical connections if using aluminum as an al…

Copper foil for transformer winding

Multipurpose Copper Foil Tape Coil Winding Machine From China

Product Details: The multipurpose copper foil tape coil winding machine is designed for winding copper or aluminum foil for low-voltage transformers. Key features include: foil thickness range of 0.3-2.8 mm for copper and 0.4-2.5 mm for aluminum; maximum winding diameter of up to 900 mm; maximum winding length of 600 / 900 / 1500 mm; and a maximum coil weight of 2000 Kg. The machine is equipped with a cold pressure welding system, optional TIG welding, and a foil de-burring system. It operates with a 12-inch touch screen industrial PC and supports CNC programming with up to 1000 programmable windings[1][4].

Pros:
– Enhanced efficiency through automated systems, improving production speeds and t…
– Better ampere-turn balance of high and low voltage coils compared to multiple pa…
– Simple structure, easy for mechanized production, and low processing costs[2].
– High coil fill rate and small size, contributing to lower DC resistance and smal…
– Precise winding capabilities and scalability to adapt to varying production dema…

Cons:
– High initial investment for fully automated machines, though justified by long-t…
– Complex maintenance requirements, necessitating specialized training and resourc…
– Potential for skin effect and difficulty in winding at high frequencies with fla…

Chinese Foil Winding Machine

Product Details: Transformer Foil Winding Machines are designed for winding low-voltage transformer coils. Key features include the use of aluminum or copper foil with thicknesses ranging from 0.3 mm to 2.5 mm and widths from 180 mm to 900 mm. These machines can handle coil outer diameters up to 1000 mm and lengths up to 1500 mm. They are equipped with PLC control systems, constant tension control, and TIG welding devices. The machines can store multiple sets of coil data and offer automatic deviation adjustment. They support various coil shapes, including round, rectangular, and oval. The maximum winding speed is typically between

0 to 40 RPM, and the machines often include pneumatic or hydraulic expandable mandrels and insulation de-reelers[2][5][3].

Pros:
– Higher fill factor, allowing more copper to be placed in the same winding space,…
– Better ampere-turn balance of high and low voltage coils compared to multiple pa…
– Simple structure, easy for mechanized production, and low processing cost.
– Low-voltage DC resistance and easy to balance.
– Low energy loss and high performance.
– Uniform and continuous tension during winding ensures smooth and tight foil wind…

Cons:
– More expensive compared to wire winding machines.
– Requires specialized equipment.
– Limited to low-voltage windings, mainly used for transformers below 2500kVA.

Programmable 1000mm Width Copper Foil Winding Machine …

Product Details: The programmable copper foil winding machine is designed for making reactor coils and low-voltage transformers. It features a maximum winding width of 1000mm, with foil thickness ranging from 0.3 to 2.5 mm for copper and 0.4 to 2.5 mm for aluminum. The machine includes a foil decoiler, foil feeding unit, foil cleaning unit, centering guide, winding device, wound coil pressing device, lead bar TIG welding device, and foil cutting device. It is controlled by a PLC system with a 12-inch touch screen interface and can store up to 1000 programmable windings. The machine operates at a maximum speed of 40

Rpm and has a maximum winding diameter of 900 mm.

Pros:
– Higher power density and more compact design due to higher fill factor
– Better ampere-turn balance of high and low voltage coils
– Simple structure, easy for mechanized production, and low processing cost
– Low-voltage DC resistance and small losses
– Automatic deviation adjustment and network communication for system upgrades
– Easy to complete mass production through inputting relevant working parameters

Cons:
– More expensive compared to wire winding
– Requires specialized equipment
– Limited to transformers above 200A

View Copper Foil for Transformer Foil Winding Copper Strip …

Product Details: Copper foils for transformer winding are made from grades such as ETP (Electrolytic Tough Pitch), C11000, and UNS C10200 TU1, with a temper of O (soft). The thickness ranges from 0.01mm to 3.0mm, and the width can be customized from 5mm to 1200mm. These foils have deburred or round edges and are available with various paper core internal diameters. They are known for their high electrical conductivity (≥99.80% IACS), super thin and burr-free surface, and high strength. The foils are used in the manufacturing of transformers, large-scale motors, generators, and stators[1][3][4].

Pros:
– Incomparable electrical conductivity, significantly higher than aluminum[2] – Smaller transformer size due to higher conductivity, allowing for more efficient…
– Competitively priced over the lifespan of the transformer, with durable internal…
– Higher reliability rating compared to aluminum, with fewer failure rates[2] – Less lamination steel required, reducing overall costs[2] – Easier to work with in manufacturing due to smaller conductor diameters[2] – Fewer maintenance issues as it avoids connectivity problems between different me…

Cons:
– Heavier than aluminum, which can be a disadvantage in applications where weight…
– Higher initial cost compared to aluminum, although this is offset by long-term b…
– Requires specialized design techniques to optimize performance, especially when…

China Copper Foil For Transformer Winding Manufacturers …

Product Details: Copper foils for transformer winding are made from grades such as ETP (Electrolytic Tough Pitch), C11000, UNS C10200 TU1, in the temper O (soft) state. The thickness of the copper foil typically ranges from 0.01mm to 3.0mm, and the width can be customized from 5mm to 1200mm. These foils are used in the manufacturing of transformers and can be customized according to customer requirements. They have high electrical conductivity (≥99.80% IACS), are totally annealed, and have a smooth surface free from scratches and impurities[1][5].

Pros:
– Higher power density and more compact design compared to wire winding
– High electrical conductivity (≥99.80% IACS)
– Totally annealed and high strength
– Excellent side camber and uniform winding
– Long-term reliability and resistance to deformation

Cons:
– More expensive than wire winding and requires specialized equipment
– Higher initial costs compared to aluminum windings
– More complex manufacturing process

Hv Coil Winding and LV Foil Winding Machine

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Copper Foil Winding Factories in China

What certifications should I look for in a copper foil winding factory?

When selecting a copper foil winding factory, it’s crucial to check for manufacturing certifications such as ISO 9001 for quality management and ISO 14001 for environmental management. These certifications indicate that the factory follows strict quality and environmental standards, ensuring you receive high-quality products.

How can I assess the financial stability of a copper foil winding factory?

To gauge the financial stability of a factory, ask about their reinvestment in infrastructure, their diversification across different industries, and conduct a bank reference check. A financially stable factory is more likely to maintain consistent production and quality, reducing the risk of supply chain disruptions.

What additional services do copper foil winding factories typically offer?

Many copper foil winding factories offer additional services such as custom winding, taping, and vacuum drying. Some may also provide metal fabrication, insulation products, and other related services. Understanding these services can help you find a factory that meets all your needs in one place.

How do I ensure the quality of the copper foil produced by the factory?

To ensure the quality of the copper foil, ask if the factory has completed any third-party audits. These audits verify that the factory meets high standards in manufacturing and quality control. You should also request product samples to check the quality firsthand and make any necessary modifications.

What information should I ask for when planning a visit to the factory?

When planning to visit a factory, ask about the best time to visit, the location of the factory, and whether the office and factory are in the same location. This helps you plan your trip efficiently and ensures that you get a comprehensive view of the factory’s operations. It also shows the factory that you are serious about your visit and care about their processes.