CNC 및 FSW: 배터리 액체 냉각의 게임 체인저

Thermal management is crucial in modern industries and electronics, where efficient heat dissipation significantly impacts the performance and longevity of various devices. CNC (Computer Numerical Control) and FSW (Friction Stir Welding) liquid cooling plates are emerging as effective solutions for thermal management, offering exceptional heat dissipation and flexible design options. This article will explore these technologies’ characteristics, benefits, applications, and future trends.

목차

Understanding CNC and FSW Technologies

EV batteries generate significant amounts of heat during operation and charging. This heat, if not managed properly, can lead to a decrease in battery performance, reduced lifespan, and even safety hazards like thermal runaway. Thus, an effective EV battery cooling system is indispensable for maintaining optimal battery performance and ensuring safety. Overheating can result in thermal runaway, a dangerous chain reaction that can cause fires or explosions. Proper cooling helps maintain the battery within its optimal temperature range, ensuring consistent performance and longevity.

CNC Technology

CNC technology utilizes digital information to control the movement and machining of tools, allowing for the precise and efficient production of complex parts. The CNC process involves a computer that precisely controls machine tools via programmed commands, reducing manual intervention and ensuring high consistency and repeatability. This technology is indispensable in industries requiring high accuracy.

FSW Technology

FSW involves a rotating tool that frictionally heats and mechanically agitates material joints, creating a dense and robust weld without melting the base material. This process is particularly beneficial for joining metals with different melting points or those difficult to weld using traditional methods. FSW is widely used in aerospace, automotive, and shipbuilding industries.

CNC Liquid Cooling Plates

CNC liquid cooling plates are advanced heat dissipation devices created through precise machining of cooling channels in metal sheets. These channels allow coolant to circulate, absorbing and removing heat generated by equipment. CNC technology allows for customised shapes and sizes, making these plates highly versatile for various applications. Additionally, CNC machining enables accurate cold plate design calculations, ensuring optimal performance

A variety of forms to choose from:

Two flat plates + spacer (sandwich plus internal fin type): this form by laying the spacer on the bottom plate and spot welding to fix the shape, brazing can be clamped on the top and bottom plates. The spacer can be made into various shapes according to the need, which increases the design flexibility.

Whole board carving runner + cover: this program only carves out the middle runner, but it will easily lead to deformation, affecting the processing accuracy, and cause secondary damage in the material handling process.

Key Features and Benefits

  • 1. Cost Savings: Reduces development costs by minimising the need for expensive molds.
  • 2. Design Flexibility: Allows for customised shapes and sizes.
  • 3. Load-Bearing Capacity: Ensures durability during transportation and usage.
  • 4. Fast Delivery: Typically delivered within 3-5 weeks due to the rapid prototyping capability.
  • 5. Deformation Control: Precision machining reduces deformation, improving reliability and product life.
  • 6. Environmental Protection: Reduces waste and improves product longevity, supporting sustainable manufacturing practices.
  • 7. Multi-Axis Machining: Advanced CNC machines with multiple axes can produce more complex and efficient cooling channel designs.
  • 8. Material Variety: CNC machining is compatible with a wide range of metals, including aluminium, copper, and alloys, enhancing its versatility.
  • 9. Surface Finish: Precision machining ensures a smooth surface finish, reducing turbulence and enhancing coolant flow efficiency.

FSW Liquid Cooling Plates

FSW Liquid Cooling Plate is a highly efficient heat dissipation device manufactured using friction stir welding technology. Friction Stir Welding is a solid-phase welding process in which a rotating tool is used to frictionally heat and mechanically agitate the material joints, thereby plasticizing and bonding the materials together in the solid state.FSW Liquid Cooling Plate uses this technology to weld two or more metal plates together to form a complex cooling runner structure for heat dissipation management

Key Features and Benefits

  • 1. High Strength: Suitable for heavy-duty applications like trains and mining trucks.
  • 2. Localized Heating: Minimises thermal distortion and residual stresses.
  • 3. Design Freedom: Supports custom designs for complex structural and specific application needs.
  • 4. Starting Order Quantity Requirement: Requires high initial quantities but ensures efficient large-scale manufacturing.
  • 5. Delivery Time Evaluation: Typically ranges from 3 to 4 weeks, reflecting the precise tuning and calibration needed.
  • 6. Robust Weld Quality: FSW produces welds with minimal defects and high fatigue resistance, critical for demanding applications.
  • 7. Adaptive Control Systems: Modern FSW machines feature adaptive control systems that adjust parameters in real-time, ensuring consistent weld quality.
  • 8. Hybrid Processes: Combining FSW with other welding techniques can further enhance joint strength and performance.

Applications of CNC and FSW Liquid Cooling Plates

  • 1. Electric Vehicles: Maintain battery performance under high load conditions, ensuring safety and range.
  • 2. Data Centres: Optimize thermal management for servers, enhancing operational efficiency.
  • 3. Industrial Equipment: Ensure reliable operation in high-temperature environments, such as laser cutting machines and high-power LED lighting.
  • 4. Aerospace: Provide thermal management for high-precision equipment in aviation and spacecraft.

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Comparative Analysis

Efficiency and Performance

  • CNC Cooling Plates: Excel in applications requiring intricate designs and rapid production cycles.
  • FSW 냉각판: Better suited for environments needing mechanical strength and resistance to thermal stresses.

Suitability for Different Applications

  • CNC Cooling Plates: Ideal for electronics and medical devices requiring precise thermal management.
  • FSW 냉각판: Preferred for automotive and aerospace applications where durability is essential.

Future of CNC and FSW Liquid Cooling Plates

Potential New Applications

Emerging technologies, such as 5G telecommunications, advanced robotics, and renewable energy systems, will increasingly rely on sophisticated thermal management solutions. CNC and FSW cooling plates are well-positioned to meet these evolving demands.

Advancements in Technology

Ongoing research aims to improve the thermal conductivity and mechanical properties of materials used in cooling plates. Innovations in CNC and FSW processes will enable more intricate and effective cooling solutions.

Material Advancements

Research is ongoing to develop new materials with superior thermal conductivity and mechanical properties. Innovations such as graphene-enhanced metals and nanocomposite materials hold promise for next-generation cooling plates.

Integration with Smart Systems

Future cooling plates may incorporate smart technologies, such as embedded sensors and IoT connectivity, to monitor and optimize thermal management in real-time. These smart systems will enable predictive maintenance and adaptive cooling strategies, further enhancing efficiency.

결론

CNC and FSW liquid cooling plates are integral to modern thermal management, offering significant benefits in cost savings, design flexibility, strength, and environmental impact. Their continued development will be crucial in meeting the thermal management needs of future technologies. As industries evolve, these advanced cooling solutions will play an increasingly important role in ensuring the performance and reliability of electronic and industrial systems.

Chris - 선임 기술 엔지니어 -XD THERMAL

Chris

저는 5년 넘게 배터리 열 관리 분야에서 일하면서 수많은 국제 프로젝트를 처리했습니다. 배터리 액체 냉각 제품이나 서비스에 대해 궁금한 점이 있으면 언제든지 문의해 주세요!

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