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Cold Rolling Machine LD8x2

Metal Rolling Equipment LG10 is a specialized industrial device engineered for the precise shaping and sizing of metal tubes through a cold rolling process. Unlike hot rolling methods that rely on elevated temperatures, this equipment operates at ambient temperature, eliminating thermal expansion effects and enabling superior control over tube dimensions and surface quality. It is primarily used to produce precision thin-wall tubes for a wide range of materials, including aluminum, carbon steel, alloy steel, stainless steel, non-ferrous metals, rare metals, and precision alloys—making it a versatile choice for diverse manufacturing needs.

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Product Overview


Core Purpose & Working Principle


The equipment integrates three key systems to ensure stable performance: a mechanical equipment system, an electrical control system, and a lubrication system. The mechanical section includes critical components such as a feeding device, mandrel component, hydraulic chuck component, rotary feeding mechanism, intermediate bed component, frame box, work frame, discharging device, and main transmission mechanism—all calibrated to work in synergy for consistent production.


Product Features


Precision & Surface Finish


Tight Dimensional Tolerances

Metal Rolling Equipment LG10 delivers exceptional precision, producing tubes with extremely tight tolerances. For finished tubes, the outer diameter ranges from φ6~14mm and the wall thickness from 0.8~2mm; for hollow workpieces, the outer diameter spans φ10~20mm, wall thickness 1.2~2.5mm, and length up to 3m (finished tube length can reach ≤5m). These tolerances are achieved via a series of calibrated rolls that gradually shape the tube, ensuring each product meets exact specifications.


Enhanced Surface Quality

The cold rolling process of Metal Rolling Equipment LG10 polishes the tube surface during production, resulting in a smooth, uniform exterior. This eliminates defects like burrs or unevenness, making the tubes ideal for applications where surface aesthetics or functional performance (e.g., fluid flow efficiency) is critical.


Material Versatility & Adaptability


Wide Material Compatibility

This equipment handles an extensive range of metals, from common steel and aluminum to high-grade stainless steel and copper alloys. It can also process specialized materials like rare metals and precision alloys, catering to industries with unique material requirements.


Parameter Adjustability

To accommodate different materials, Metal Rolling Equipment LG10 allows for precise adjustments to rolling parameters (e.g., pressure, speed) and tooling. For example, the rotating angle of the hollow workpiece during feeding is 45-75 degrees (stepless adjustable), ensuring optimal rolling results for each material type.


Mechanical Property Enhancement

The cold working process of Metal Rolling Equipment LG10 imparts significant improvements to the mechanical properties of the tubes. By compressing the metal structure, the equipment increases the tube’s strength and hardness, making the final products more resistant to stress, pressure, and wear. This is particularly valuable for applications where tubes must withstand harsh operating conditions (e.g., high-pressure hydraulic systems).


High Production Efficiency


Fast Stroke Rate

Equipped with a high-performance main transmission mechanism, Metal Rolling Equipment LG10 boasts a roller carriage stroke rate of 50~120 str./min. and a fixed stroke length of 381mm. This allows for continuous, rapid production once the machine is set up for a specific tube specification.


Minimal Downtime

The equipment’s robust design and optimized component layout reduce the need for frequent adjustments or repairs. Quick changeovers between tube specifications further minimize downtime, ensuring consistent productivity for large-scale manufacturing.


Advanced Control & Customization


Sophisticated Control Systems

Metal Rolling Equipment LG10 features modern electrical control systems that enable precise adjustment of key process parameters, including rolling speed, pressure, and tension. This ensures consistent product quality and allows operators to fine-tune settings for different tube sizes or materials.


Customizable Configurations

The machine can be tailored to meet specific production needs. For instance, it can be equipped with different numbers of rolling stands or custom roll designs to accommodate unique tube shapes (e.g., seamless tubes) or sizes. It also uses either servo or direct current (DC) rotary-and-feed mechanisms, providing flexibility based on production volume and precision requirements.


Key Technical Specifications


· Max. nominal rolling force: 25t

· Roller diameter: φ143mm

· PCD of gear driving roller: φ132mm, φ135mm, φ138mm

· Length of connecting rod: 1450mm

· Crank radius: 190mm

· Offset distance between crank and slider: 120mm

· Center height of hollow: 750mm

· Total transmission ratio: 9

· Main motor power: 22KW


Applications


Automotive Industry


Critical Vehicle Components

Metal Rolling Equipment LG10 is widely used to manufacture key automotive components such as fuel lines, brake lines, and transmission tubes. The tubes’ tight dimensional tolerances (φ6~14mm outer diameter, 0.8~2mm wall thickness) and enhanced strength ensure safe, reliable operation—critical for vehicle safety and performance.


Compliance with Industry Standards

Automotive manufacturers rely on this equipment to meet strict industry standards for tube quality, as the cold-rolled tubes resist corrosion and pressure, reducing the risk of leaks or failures in harsh driving conditions.


Aerospace Sector


High-Precision Aerospace Parts

In the aerospace industry, Metal Rolling Equipment LG10 produces tubes for aircraft hydraulic systems, fuel systems, and landing gear components. The equipment’s ability to maintain ultra-tight tolerances and surface smoothness aligns with the sector’s stringent quality requirements, where even minor defects can compromise flight safety.


Material Suitability

The machine’s compatibility with high-strength alloys (e.g., titanium alloys, stainless steel) makes it ideal for aerospace applications, as these materials require precise processing to retain their mechanical properties.


Mechanical Manufacturing


Tubular Components for Machinery

Metal Rolling Equipment LG10 supplies accurate tubular parts for machinery and equipment, including hydraulic cylinders, pneumatic tubes, and structural components. Its ability to produce tubes of varying lengths (up to 5m) and sizes allows it to meet the diverse needs of mechanical manufacturing, from small precision parts to large structural tubes.


Cost-Effective Production

By reducing material waste and ensuring consistent quality, the equipment helps manufacturers lower production costs while maintaining high standards for machinery performance.


Petroleum & Chemical Industry


Corrosion-Resistant Tubes

For the petroleum and chemical industry, Metal Rolling Equipment LG10 produces tubes for heat exchangers, pipelines, and reactors. The smooth surface finish of the cold-rolled tubes prevents fluid buildup and corrosion, while tight dimensional tolerances ensure a secure fit—reducing the risk of leaks in high-pressure, corrosive environments.


Efficient Heat Transfer

The precision of the tubes enhances heat transfer efficiency in heat exchangers, making the equipment a valuable asset for processes that rely on temperature control (e.g., oil refining, chemical synthesis).


FAQ


What materials can Metal Rolling Equipment LG10 process?

Metal Rolling Equipment LG10 is compatible with a broad range of materials, including aluminum, carbon steel, alloy steel, stainless steel, non-ferrous metals (e.g., copper alloys), rare metals, and precision alloys. It can be adjusted to handle different material properties, ensuring optimal rolling results for each type.


What are the key size ranges for tubes produced by Metal Rolling Equipment LG10?

The equipment produces two main types of products: hollow workpieces (outer diameter φ10~20mm, wall thickness 1.2~2.5mm, length 1~3m) and finished tubes (outer diameter φ6~14mm, wall thickness 0.8~2mm, length ≤5m). These ranges can be further customized with adjustments to rolling parameters or tooling.


How does Metal Rolling Equipment LG10 ensure product precision?

Precision is achieved through multiple mechanisms: calibrated rolls that control dimensional accuracy, an advanced electrical control system that adjusts rolling speed/pressure in real time, and a rotary feeding mechanism with a 45-75 degree stepless adjustable rotating angle (ensuring uniform material deformation). The ambient temperature operation also eliminates thermal expansion, preventing dimensional errors.


What maintenance is required for Metal Rolling Equipment LG10?

Regular maintenance includes: lubrication of rolling stands to reduce friction; inspection of rolls for wear or damage (to maintain surface quality); calibration of the electrical control system (to preserve parameter accuracy); and checking of hydraulic components (e.g., chuck, feeding device) for leaks. Routine maintenance extends the equipment’s lifespan and ensures consistent production quality.


Can Metal Rolling Equipment LG10 be customized for specific production needs?

Yes. The equipment offers multiple customization options: different numbers of rolling stands for varying production volumes; custom roll designs for unique tube shapes (e.g., seamless tubes); and selection of servo or DC rotary-and-feed mechanisms based on precision requirements. Jiangsu Yongteli Machinery also provides tailored solutions to meet industry-specific demands (e.g., aerospace-grade tolerance adjustments).


Cold Rolling Machine LD8x2Cold Rolling Machine LD8x2


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Jiangsu Yongteli Machinery Co. , Ltd. is an enterprise specializing in the production of pipe equipment, with nearly 40 years of cold tube mill R & D and manufacturing experience.

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  +86-13336683488
 1 Feiyao North Road, Huaiyin District, Huai'an, China

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