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High Precision Hardware Machining | EV & Energy Storage Systems
Capability · Validation-ready Precision Manufacturing

High Precision for EV & Energy Storage Systems

Engineering-grade precision machining for battery housings, cooling plates, structural components, and high-reliability hardware used in demanding EV and energy storage applications.

Request Technical Support Upload Drawings
Tolerance
±0.05 mm
Typical critical interfaces
Processes
Machining + Joining
FSW · TIG/MIG · Brazing
Validation
QC Evidence
CMM · reports · traceability
Related (Internal)
Battery Pack Enclosures Liquid Cooling Plates High Voltage Control Box
Precision Hardware
CNC · Welding · Sealing
High precision hardware machining
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3/4/5
Axis CNC
CMM
Inspection
IP
Sealing

What Is High Precision Hardware Machining

High precision hardware machining goes beyond conventional CNC machining. It focuses on producing functional, safety-critical metal components that must meet strict requirements for dimensional accuracy, structural strength, sealing performance, and long-term reliability.

These components are typically used in battery systems, power electronics, and high-load industrial applications.

Dimensional accuracy
Tight interfaces with repeatable control
Structural strength
Load-bearing parts built for fatigue life
Sealing performance
Gasket grooves, flatness, IP targets
Long-term reliability
Evidence-ready QC and traceability
Related: Battery Pack Enclosures Related: HV Control Box
Functional hardware components overview
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Use case
Battery systems
Use case
Power electronics
Use case
High-load frames

Our Role in Precision Hardware Manufacturing

We manufacture high-precision hardware as part of complete system-level solutions—not isolated parts.

Large & complex components
Stable machining for big-format parts
Integration-ready design
Interfaces aligned with system assembly
Joining + sealing support
Weld deformation + IP interfaces
Prototype to series
Validation flow into stable production
Explore Capabilities Contact Engineering
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Large format machining
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Critical interface machining
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CMM inspection
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Typical Hardware Components We Machine

Safety-critical, functional components requiring tight tolerances and stable long-term performance.

Product
Battery Pack Enclosures & Trays
Structural housings with sealing and load performance
Product
Liquid Cooling Plates / Cold Plates
Thermal interfaces with controlled flatness
Product
High Voltage Control Box Housings
Sealed enclosures with connector/cable interfaces
Product
PDU & Inverter Housings
Functional housings requiring EMI-friendly structures
Hardware
Structural frames & plates
Load-bearing components for high duty cycles
Hardware
Reinforced brackets
Mounting and reinforcement parts with stable fit
Component family collage
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CNC Machining Capabilities

Advanced CNC machining for high-precision hardware: multi-axis capability, large-format parts, and complex internal geometries.

Capability highlights
3/4/5-axis CNC
Complex surfaces and interfaces
Large-format parts
Enclosures and trays
Internal geometries
Pockets, channels, cavities
Consistency
Strategies optimized for repeatability
Link: CNC Machining Capability Link: Fixtures & Tooling
5-axis machining for complex interfaces
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Machining goal
Accuracy
Stable critical features
Machining goal
Consistency
Repeatable process control

Precision Tolerance Control

Dimensional accuracy is critical for functional hardware—especially sealing surfaces and assembly interfaces.

Typical control includes
  • Consistent machining accuracy down to ±0.05 mm
  • Flatness & parallelism control for sealing surfaces
  • Controlled interface tolerances for assembly
  • Repeatability across production batches
Link: CMM Inspection Link: Inspection Reports
Sealing surface flatness check
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Key focus
Sealing surfaces
Flatness & parallelism
Key focus
Assembly fit
Interface stability

Material Expertise

Material selection is aligned with strength, corrosion resistance, and thermal requirements.

Aluminum alloys
6061 · 6082 · 5052 · 5754
Lightweight, machinable, corrosion control
Stainless steel
304 · 316L
Outdoor/marine durability and strength
Structural steels
Treated / engineered materials
High-load and fatigue-critical parts
For corrosion + sealing together, see: Battery Enclosures and HV Boxes.

Integration with Welding and Joining Processes

Precision machining is closely coordinated with joining processes. Designs consider weld deformation control and joint integrity to keep interfaces stable.

We support integration with
  • Friction Stir Welding (FSW)
  • Laser welding
  • TIG / MIG welding
  • Vacuum brazing
Link: FSW Capability Link: Vacuum Brazing
Joining process integration
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Joining focus
Deformation control
Protect critical interfaces
Joining focus
Joint integrity
Stable long-term performance

Sealing Interface Machining

Many high-precision hardware components require sealing. We machine sealing features that support IP67–IP69K protection requirements.

We machine
  • Precision gasket grooves
  • O-ring sealing interfaces
  • Flat sealing surfaces
  • Cable/connector ingress features
Internal links
IP-Rated Battery Enclosures HV Control Box Sealing Helium Leak Testing
IP67 IP69K O-ring Gasket
O-ring groove detail and flat sealing face
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Sealing target
Stable compression
Groove geometry control
Sealing target
Flatness
Supports IP reliability

Surface Treatment Compatibility

Machining designs are compatible with surface treatments selected for corrosion resistance and functional needs.

Available options
Anodizing
Corrosion control for aluminum
Sandblasting
Surface preparation / texture
Powder coating
Outdoor durability and finish
Protective coatings
Application-driven selection
Link: Surface Treatment Link: Corrosion Testing (if available)
Surface treatment samples
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Quality Control and Inspection

Quality control is integrated throughout the machining process with inspection evidence and traceability for safety-critical applications.

We support
  • Dimensional inspection (CMM + manual)
  • Process monitoring and documentation
  • Inspection reports for critical dimensions
  • Traceability of materials and processes
Link: CMM Inspection Link: Traceability System
Inspection report and CMM measurement
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QC output
Critical dims
CMM + records
QC output
Traceability
Material + process

Prototype to Mass Production Capability

We support the full production lifecycle—from prototyping to validated series production.

1) Rapid prototyping
Fast iteration with engineering feedback
2) Pilot production
Process validation + inspection evidence
3) Series production
Stable capacity + repeatability
Production lifecycle
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Application Industries

Precision hardware machining for EV/ESS and demanding industrial environments.

Electric vehicles (EV)
Battery, power electronics, structural parts
Energy storage (ESS)
Enclosures, thermal and distribution hardware
Heavy-duty vehicles
Vibration and fatigue-critical structures
Agricultural & construction
Dust/mud, shock, rugged duty cycles
Industrial power electronics
Housings and functional interfaces
Marine systems
Corrosion and sealing reliability

Why Choose Us for High Precision Hardware Machining

We prioritize manufacturability, interface stability, sealing reliability, and validation evidence—built for safety-critical hardware.

System-level engineering mindset
Think parts inside complete battery/power systems
Large & complex component experience
Stable control for big-format structures
Integrated machining + welding + sealing
Interface control through joining and IP design
Prototype → series support
From iteration to validated stable production
About Us Capabilities Contact
Fast Technical Review
Send these for quicker feedback
1) Drawings
STEP / DWG / PDF
2) Key requirements
Tolerances, sealing target, environment
3) Volume & timeline
Prototype, pilot, or series production
Start RFQ
Tip: Put “High Precision Hardware Machining” in your email subject for faster routing.

Contact & Engineering Support

Discuss your high precision hardware machining requirements with our engineering team. Upload your drawings (STEP / DWG / PDF) for technical review.

Email
andrew@sannytelecom.com
Fast response for technical support
Recommended attachments:
  • • Drawings (STEP / DWG / PDF)
  • • Tolerance + sealing requirements
  • • Volume + timeline
Send Your Request
Include: parts list, key interfaces/tolerances, sealing target (if any), joining process needs, and expected volume.
Request Technical Support Upload Drawings
Related pages you may include: Battery Pack Enclosures · Liquid Cooling Plates · High Voltage Control Box
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