FSW Welding Technology

FSW Sealed

Advanced friction stir welded cooling plates designed for high-performance thermal management in EV battery systems and energy storage applications. Superior sealing, minimal thermal resistance.

IP67
Sealing Rating
±0.05mm
Flatness Tolerance
100%
Helium Leak Tested
FSW Sealed Cooling Plate

Product Overview

Our FSW Sealed Cooling Plates utilize advanced friction stir welding technology to create leak-proof thermal management solutions. Engineered for demanding EV and ESS applications where reliability and performance are critical.

Superior Heat Transfer

Optimized flow channel design ensures maximum heat dissipation with minimal pressure drop, maintaining optimal battery temperatures.

FSW Welding Excellence

Friction stir welding creates seamless, leak-proof joints without compromising material integrity or introducing thermal stress.

Customizable Design

Tailored dimensions, flow patterns, and mounting configurations to meet specific thermal management requirements.

3D Cutaway View

3D Cutaway View
Flow Channels
Optimized Design
FSW Seam
Leak-Proof Joint

Product Gallery

Explore our FSW Sealed Cooling Plates from manufacturing to finished products

Manufacturing Process

Manufacturing Process

FSW Welding

FSW Welding

Quality Testing

Quality Testing

Finished Products

Finished Products

Installation Ready

Installation Ready

Custom Sizes

Custom Sizes

Manufacturing Features

Advanced manufacturing processes ensure superior quality and performance

CNC Precision

High-precision CNC machining ensures exact dimensions and perfect surface finish for optimal thermal contact.

FSW Technology

Friction stir welding creates seamless, leak-proof joints without heat-affected zones or material degradation.

Helium Testing

100% helium leak testing ensures complete sealing integrity and meets IP67 protection standards.

Quality Control

Comprehensive quality control including dimensional inspection, pressure testing, and surface quality verification.

Technical Specifications

Detailed technical parameters and performance characteristics

Dimensional & Machining

Length Range 200mm - 1200mm
Width Range 100mm - 800mm
Thickness 8mm - 25mm
Flatness Tolerance ±0.05mm
Dimensional Tolerance ±0.1mm
Surface Roughness Ra 1.6μm

FSW Welding Parameters

Weld Joint Type Butt Joint / Lap Joint
Weld Strength ≥85% Base Material
Heat Affected Zone Minimal (2-3mm)
Weld Defects Zero Porosity
Thickness Range 3mm - 12mm
Process Control Real-time Monitoring

Sealing & Pressure

Sealing Rating IP67 / IP68
Test Pressure 10 bar (150 psi)
Working Pressure 6 bar (90 psi)
Leak Rate < 1×10⁻⁹ mbar·l/s
Burst Pressure 20 bar (300 psi)
Testing Method Helium Mass Spectrometry

Materials & Treatments

Base Material Al 6061-T6 / Al 5083
Thermal Conductivity 167 W/m·K (Al 6061)
Surface Treatment Anodizing / Chromate
Corrosion Resistance 1000h Salt Spray
Operating Temp -40°C to +85°C
Coolant Compatible Water/Glycol Mix

Applications

FSW Sealed Cooling Plates are ideal for demanding thermal management applications

EV Battery Packs

Direct cooling for passenger vehicle, commercial vehicle, and electric bus battery systems requiring precise thermal management.

  • Passenger EVs
  • Commercial Vehicles
  • Electric Buses

Energy Storage Systems

Thermal management for grid-scale energy storage, residential, and commercial battery storage systems.

  • Grid Storage
  • Residential ESS
  • Commercial Storage

Power Electronics

Cooling solutions for inverters, converters, onboard chargers, and other high-power electronic components.

  • Inverters
  • DC/DC Converters
  • Onboard Chargers

Ready to Start Your Project?

Get in touch with our engineering team to discuss your FSW cooling plate requirements and receive a detailed quote.

Contact Information

Email

sales@precisiontech.com

Phone

+86 138 0013 8000

Location

Guangdong Province, China

Why Choose Us

15+ years in precision manufacturing
ISO certified quality systems
Global shipping capabilities
24/7 engineering support