Custom Thermal Management Manufacturing
LK Tools Thermal Solutions

Custom Thermal Management Solutions

Custom heat sinks, liquid cold plates, battery cooling plates, AI server cooling components, GPU cooling plates, IGBT cooling assemblies, and power electronics cooling solutions for OEM manufacturers.

LK Tools supports thermal management projects from prototype to production with CNC machining, aluminum extrusion, vacuum brazing, friction stir welding, die casting, surface finishing, assembly, and quality inspection.

ISO 9001 Certified
Prototype To Production
USA Office & Warehouse
24-Hour Quotation
Custom Mfg Support
Global Shipping Support

Reliable Thermal Performance Starts With The Right Manufacturing Partner

As power density increases in AI servers, GPUs, EV batteries, IGBT modules, fiber lasers, telecom equipment, and power electronics, thermal management becomes critical to product reliability and system performance.

Choosing a manufacturing partner with deep expertise in CNC machining, vacuum brazing, and friction stir welding ensures your thermal designs translate into manufacturable, leak-free, and high-performance components.

Effective cooling helps improve:

  • System Reliability
  • Performance Stability
  • Component Lifespan
  • Energy Efficiency
  • Operational Safety
  • Thermal Uniformity
  • Long-Term Product Durability

Thermal Solutions For High-Power Applications

From traditional air cooling to advanced liquid cold plates, we manufacture precision thermal components tailored to your specific industry requirements.

Custom Heat Sink Manufacturer
Solution 01

Custom Heat Sink Manufacturer

LK Tools manufactures custom heat sinks for power supplies, LED systems, telecom equipment, industrial controls, electronics enclosures, and high-power devices.

Applications

  • • Power Supplies
  • • LED Lighting
  • • Telecommunications
  • • Industrial Controls
  • • Consumer Electronics
  • • Power Electronics

Related Products

  • • Skived Fin Heat Sink
  • • Extruded / Bonded Fin Heat Sink
  • • Copper / Aluminum Heat Sink
  • • CNC Machined Heat Sink
  • • Die Cast Heat Sink
Liquid Cold Plate Manufacturing
Solution 02

Liquid Cold Plate Manufacturing

Custom liquid cold plates and water cooling plates designed for high-power electronics, AI servers, data centers, medical equipment, laser systems, and power conversion applications.

Applications

  • • AI Servers & Data Centers
  • • GPU Cooling
  • • High-Power Electronics
  • • Medical Equipment
  • • Power Conversion Systems

Related Products

  • • Water Cooling Plate
  • • Custom Cold Plate
  • • Vacuum Brazed Cold Plate
  • • Friction Stir Welded Cold Plate
  • • CNC Machined Cold Plate
AI Server & GPU Cooling Components
Solution 03

AI Server Cooling & GPU Cooling Components

Manufacturing support for AI server cooling, GPU cooling plates, accelerator cooling components, server heat sinks, cold plates, manifolds, and liquid cooling assemblies.

Applications

  • • AI Servers & GPU Accelerators
  • • Data Centers
  • • High-Performance Computing
  • • Liquid Cooling Systems
  • • Server Thermal Modules

Related Products

  • • GPU Cooling Plate
  • • AI Server Cold Plate
  • • Server Heat Sink
  • • Liquid Cooling Manifold
  • • Cold Plate / Heat Sink Assembly
  • • CNC Machined Cooling Components
Battery Cooling Plate Manufacturing
Solution 04

Battery Cooling Plate Manufacturing

Custom battery cooling plates and thermal components for EV battery packs, energy storage systems, battery modules, and high-power battery applications.

Applications

  • • EV Battery Packs
  • • Energy Storage Systems
  • • Battery Modules
  • • Power Battery Systems
  • • Charging Systems

Related Products

  • • Battery Cooling Plate
  • • EV Battery Cooling Plate
  • • Water Cooling Plate
  • • Friction Stir Welded Plate
  • • Aluminum Extrusion Plate
  • • Large-Format Cooling Plate
IGBT Cooling & Power Electronics Cooling
Solution 05

IGBT Cooling & Power Electronics Cooling

Custom cooling solutions for IGBT modules, inverters, converters, power supplies, industrial drives, semiconductor devices, and high-current electronic systems.

Applications

  • • IGBT Modules & Inverters
  • • Converters & Power Supplies
  • • Industrial Drives
  • • Semiconductor Equipment
  • • Power Electronics

Related Products

  • • IGBT Cooling Plate
  • • Inverter Cooling Plate
  • • Power Supply Cooling
  • • Semiconductor Cooling
  • • Copper Heat Sink
  • • Liquid Cold Plate
Fiber Laser Cooling Components
Solution 06

Fiber Laser Cooling Components

Precision cooling components for fiber laser systems, laser sources, optical equipment, telecom devices, and high-power laser modules.

Applications

  • • Fiber Laser Equipment
  • • Laser Source Cooling
  • • Optical Systems
  • • Telecom Equipment
  • • Industrial Laser Systems

Related Products

  • • Fiber Laser Cooling Plate
  • • Laser Cooling Module
  • • Copper Cooling Block
  • • Water Cooling Plate
  • • Precision CNC Cooling Component
Telecom Thermal Management Components
Solution 07

Telecom Thermal Management Components

Custom thermal components for telecom base stations, 5G equipment, power modules, outdoor enclosures, communication devices, and electronic control systems.

Applications

  • • 5G Equipment
  • • Telecom Base Stations
  • • Outdoor Electronics
  • • Power Modules
  • • Communication Systems

Related Products

  • • Telecom Heat Sink
  • • Die Cast Heat Sink Enclosure
  • • Extruded Aluminum Heat Sink
  • • CNC Machined Cooling Housing
  • • Thermal Enclosure Components

Manufacturing Technologies Behind Every Thermal Solution

LK Tools combines multiple manufacturing processes to support different thermal performance, cost, volume, and design requirements.

CNC Machining

Use for custom cold plates, cooling blocks, heat sinks, manifolds, and high-precision thermal components.

Best For: High precision, complex internal geometries, prototypes to mid-volume.

Aluminum Extrusion

Use for extruded heat sinks, battery cooling profiles, telecom cooling components, and long aluminum cooling structures.

Best For: High volume, linear fin profiles, cost-effective base structures.

Vacuum Brazing

Use for high-performance liquid cold plates requiring internal channels, high strength, and leak-tight joints.

Best For: AI server cold plates, complex 3D liquid channels, high-pressure environments.

Friction Stir Welding (FSW)

Use for large battery cooling plates, large water cooling plates, and aluminum liquid cooling structures.

Best For: EV battery cooling, large flat assemblies, high-strength joining without melting.

Die Casting

Use for high-volume heat sink enclosures, telecom housings, power electronics housings, and integrated cooling structures.

Best For: High-volume production, complex external shapes, integrated mounting features.

Skiving

Use for high-density skived fin heat sinks requiring thin fins and high surface area.

Best For: High thermal performance in constrained spaces, single solid piece construction.

Bonded Fin Assembly

Use for high-performance heat sinks requiring taller fins, mixed materials, or complex geometry.

Best For: Custom aspect ratios, combining aluminum bases with copper fins.

Assembly Services

Use for heat pipes, fans, TIMs, fittings, connectors, gaskets, mounting hardware, and complete cooling modules.

Best For: Delivering ready-to-install thermal sub-assemblies directly to your production line.

Thermal Materials For Performance And Manufacturability

Our engineers help customers choose materials based on thermal conductivity, weight, corrosion resistance, machinability, structural strength, surface finish requirements, and production volume.

Aluminum 6061
Aluminum 6063
Aluminum 6082
Copper C110
Copper Alloys
Stainless Steel
Graphite Materials
Thermal Interface Materials
Silicone Thermal Pads
Thermal Grease
Phase Change Materials

Engineering Support For Custom Thermal Projects

Before production, LK Tools reviews your drawings and application requirements to identify manufacturing risks, cost reduction opportunities, and process options.

We support manufacturability review and manufacturing optimization for thermal components to ensure your designs transition smoothly from prototype to mass production.

  • DFM Review
  • Material Selection
  • Tolerance Review
  • Flatness Control
  • Surface Roughness Review
  • Channel Structure Review
  • Sealing Method Review
  • Assembly Optimization
  • Cost Reduction Suggestions
  • Prototype To Production Planning
Engineering Support For Custom Thermal Projects

Quality Control For Thermal Components

Thermal components often require tight flatness, reliable sealing, clean internal channels, and stable performance. LK Tools applies quality control throughout production.

Inspection Items

  • CMM Inspection
  • Flatness Inspection
  • Surface Roughness Inspection
  • Pressure Testing & Leak Testing
  • Thread Inspection
  • Visual Inspection
  • Material Traceability
  • FAI Reports & PPAP Support
  • Coating & Packaging Inspection

Quality Workflow

1
Incoming Material Inspection
2
In-Process Inspection
3
Post-Machining Inspection
4
Leak / Pressure Testing
5
Final Inspection & Audit

Thermal Management For High-Power Industries

AI Infrastructure
Data Centers
GPU Computing
EV Battery
Energy Storage
Power Electronics
Semiconductor
Fiber Laser
Telecommunications
Industrial Auto
Medical Equipment
Defense Electronics
Aerospace
Renewable Energy

Custom Thermal Components We Support

Component Application Material Process Key Requirement
Liquid Cold Plate Power Electronics Aluminum / Copper CNC, Vacuum Brazing Leak-tight, Flatness
Battery Cooling Plate EV / Energy Storage Aluminum Extrusion Extrusion, FSW Large Area, Structural
AI Server Cold Plate Data Center Copper CNC, Skiving High Thermal Transfer
IGBT Cooling Plate Inverters Aluminum CNC, Brazing High Pressure Rating
Telecom Heat Sink 5G Base Stations Aluminum Die Casting, Extrusion Weather Resistance
Fiber Laser Cooling Block Laser Systems Copper / Aluminum Precision Machining Micro-channels
Skived Fin Heat Sink High-Power CPUs Copper / Aluminum Skiving High Fin Density
Cooling Manifold Liquid Cooling Systems Stainless Steel / Al Machining, Welding Flow Distribution
Manufacturing Facility

From Thermal Component Manufacturing To Complete Assembly

Many thermal projects require more than one process. LK Tools can coordinate machining, extrusion, welding, brazing, finishing, leak testing, assembly, packaging, and delivery through one manufacturing team.

Single Point Of Contact
Multiple Mfg Processes
Prototype To Production
Custom Packaging
USA Warehouse Support
DDP Shipping Support
Lower Supplier Mgmt Cost
Faster Communication
Consistent Quality Control

Thermal Management FAQs

What is thermal management?
Thermal management involves the technologies and processes used to monitor and control the temperature of electronic devices and systems. It ensures components operate within safe temperature limits to maintain performance and reliability.
What is a liquid cold plate?
A liquid cold plate is a metal block (usually aluminum or copper) with internal channels that allow a liquid coolant to flow through it. It absorbs heat from a high-power device mounted to its surface and transfers it to the fluid.
What is a water cooling plate?
A water cooling plate is a specific type of liquid cold plate designed to use water or a water-glycol mixture as the primary coolant. They are widely used in EV batteries, power electronics, and industrial systems.
What is the difference between a liquid cold plate and a heat sink?
A heat sink transfers heat from a solid surface into the surrounding air (often using fins to increase surface area). A liquid cold plate transfers heat into a flowing liquid coolant within internal channels, offering significantly higher thermal transfer capacity.
When should I use liquid cooling instead of air cooling?
Liquid cooling is recommended when power densities are too high for air cooling to handle effectively, when space is highly constrained, or when acoustic noise from large fans is unacceptable (e.g., high-density AI servers, EV batteries).
Can you manufacture custom liquid cold plates?
Yes, LK Tools manufactures custom liquid cold plates to your exact CAD specifications, utilizing CNC machining, vacuum brazing, and friction stir welding to meet precise thermal and dimensional requirements.
Can you manufacture battery cooling plates?
Yes, we specialize in manufacturing large-format battery cooling plates for EV and energy storage applications, often utilizing aluminum extrusion and friction stir welding for leak-free performance.
Can you support AI server cooling components?
Absolutely. We provide manufacturing support for AI server cooling, including high-performance CPU/GPU cold plates, manifolds, and precision-machined cooling blocks.
Can you manufacture GPU cooling plates?
Yes, we produce custom GPU cooling plates tailored for high-performance computing, ensuring tight flatness tolerances for optimal thermal interface contact.
Can you manufacture IGBT cooling plates?
Yes, we manufacture robust IGBT cooling plates designed to handle the high heat fluxes of power electronics, inverters, and industrial motor drives.
Can you support fiber laser cooling components?
Yes, we machine precision cooling blocks and cold plates for fiber lasers, ensuring clean internal channels to prevent contamination of the cooling fluid.
What materials are best for heat sinks?
Aluminum (like 6061 or 6063) is most common due to its excellent balance of thermal conductivity, weight, and cost. Copper (C110) is used when maximum thermal conductivity is required in a constrained space.
What materials are used for cold plates?
Cold plates are typically manufactured from Aluminum alloys (for weight and cost efficiency) or Copper (for supreme thermal performance). Stainless steel is sometimes used for specific fluid compatibility.
What is vacuum brazing?
Vacuum brazing is a high-end joining process performed in a vacuum furnace. It creates extremely strong, clean, and flux-free joints, making it ideal for sealing complex internal liquid channels in cold plates.
What is friction stir welding?
Friction Stir Welding (FSW) is a solid-state joining process that uses a rotating tool to generate frictional heat, softening and mixing the material without melting it. It provides highly reliable, leak-proof joints for large cooling plates.
What is a skived fin heat sink?
A skived fin heat sink is manufactured by slicing thin layers of metal from a solid block and bending them upright. This creates high-density fins with no thermal interface resistance between the base and fins.
What is an extruded heat sink?
An extruded heat sink is created by pushing hot aluminum through a steel die to form a continuous linear profile. It is the most cost-effective method for mass-producing standard finned heat sinks.
What is a bonded fin heat sink?
A bonded fin heat sink is made by adhering individual metal fins into grooves on a base plate using thermally conductive epoxy or brazing. This allows for taller fins and mixed materials (e.g., copper fins on an aluminum base).
Can you manufacture copper heat sinks?
Yes, we regularly machine and manufacture copper heat sinks, cooling blocks, and cold plates for applications demanding the highest level of thermal conductivity.
Can you manufacture aluminum heat sinks?
Yes, aluminum heat sinks are our most common thermal product. We produce them via extrusion, die casting, CNC machining, and skiving based on your volume and performance needs.
Do you provide leak testing?
Yes, 100% of our liquid cold plates undergo rigorous leak testing (helium or air underwater) before shipment to ensure complete system safety.
Do you provide pressure testing?
Yes, we perform pressure testing according to customer specifications to guarantee the cold plate structural integrity under operating fluid pressures.
Can you support prototypes?
Absolutely. We offer fast-turnaround CNC machining for thermal prototypes, allowing you to validate your design before committing to high-volume tooling.
Can you support mass production?
Yes, with our extensive manufacturing capabilities in die casting, extrusion, and automated machining, we scale seamlessly from prototype to mass production.
Can you provide inspection reports?
Yes, we provide full dimensional inspection reports, CMM data, First Article Inspection (FAI) reports, and leak test certificates upon request.
Can you provide material certificates?
Yes, we maintain full material traceability and can provide material certs (MTRs) for all metals used in your thermal components.
Can you ship to the United States?
Yes, we offer global shipping support and provide DDP (Delivered Duty Paid) shipping to the United States, supported by our USA office and warehouse in Texas.
Thermal Manufacturing Facility

Ready To Start Your Thermal Management Project?

Upload your CAD files, drawings, or samples. Our engineering team will review your requirements and provide manufacturing feedback and quotation support within 24 hours.

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sales@lkmfg.com

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(945) 409-1013

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