---
title: "Battery Electrode Calendering Machine"
industry: "Manufacture of Batteries and Accumulators"
verification_protocol:
  urn: "URN:CNFX:ME:BATTERY_ELECTRODE_CALENDERING_MACHINE"
  data_integrity_hash: "3d4f6978ae860f2d1d51d9c41984833f"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:BATTERY_ELECTRODE_CALENDERING_MACHINE"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-batteries-accumulators/product/battery-electrode-calendering-machine.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-batteries-accumulators/product/battery-electrode-calendering-machine"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "50-200 kN roller force, 0.5-5.0 m/min line speed, 80-120°C roller temperature"
    unit: "mm"
  secondary_spec:
    status: "config-dependent"
    typical_range: "50-200 kN roller force, 0.5-5.0 m/min line speed, 80-120°C roller temperature"
    unit: "kN"
engineering_limits:
  max_safe_operating_point:
    value: 0.1
    unit: "mm"
    consequence: "Hertzian contact stress exceeding 1500 MPa yield strength of hardened steel rollers, causing plastic deformation and loss of parallelism"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Thermal expansion mismatch between roller core (coefficient 11.0×10⁻⁶/°C) and shell (coefficient 16.5×10⁻⁶/°C)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Isothermal roller design with controlled gradient heating maintaining ΔT&lt;5°C across roller cross-section"
  - node_2:
      trigger: "Electrode slurry adhesion exceeding 0.5 MPa shear strength to roller surface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Nanostructured DLC coating (coefficient of friction &lt;0.1) with integrated ultrasonic cleaning at 40 kHz"
bom_nodes:
  main-compression-rollers:
    type: "component"
    urn: "URN:CNFX:ME:MAIN_COMPRESSION_ROLLERS"
    interface_type: "physical-logic-coupled"
  hydraulic-pressure-system:
    type: "part"
    urn: "URN:CNFX:ME:HYDRAULIC_PRESSURE_SYSTEM"
    interface_type: "physical-logic-coupled"
  temperature-control-unit:
    type: "part"
    urn: "URN:CNFX:ME:TEMPERATURE_CONTROL_UNIT"
    interface_type: "physical-logic-coupled"
  web-tension-control-system:
    type: "part"
    urn: "URN:CNFX:ME:WEB_TENSION_CONTROL_SYSTEM"
    interface_type: "physical-logic-coupled"
  thickness-measurement-sensor:
    type: "part"
    urn: "URN:CNFX:ME:THICKNESS_MEASUREMENT_SENSOR"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - MACHINERY DIRECTIVE 2006/42/EC"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-batteries-accumulators/product/battery-electrode-calendering-machine.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "17ea18e0a7090df2cc505b8a5a12955e18d3bdfce6cc4e93948daa3b7ea090f9"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Battery Electrode Calendering Machine

## 1. Technical Definition
Industrial machine for compressing battery electrode coatings to precise thickness and density

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **50-200 kN roller force, 0.5-5.0 m/min line speed, 80-120°C roller temperature**. Failure boundary: **Roller deflection exceeding 0.1 mm/m length at 250 kN force, coating density deviation &gt;2% from 1.6 g/cm³ target**, Mechanism: **Hertzian contact stress exceeding 1500 MPa yield strength of hardened steel rollers, causing plastic deformation and loss of parallelism**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Thermal expansion mismatch between roller core (coefficient 11.0×10⁻⁶/°C) and shell (coefficient 16.5×10⁻⁶/°C) | 8 | Roller surface micro-cracking and coating thickness variation exceeding ±2 μm tolerance | Isothermal roller design with controlled gradient heating maintaining ΔT&lt;5°C across roller cross-section |
| Electrode slurry adhesion exceeding 0.5 MPa shear strength to roller surface | 8 | Coating delamination and calendering force oscillation exceeding ±10% of setpoint | Nanostructured DLC coating (coefficient of friction &lt;0.1) with integrated ultrasonic cleaning at 40 kHz |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | mm | Verified |
| secondary_spec | Config-dependent | kN | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Hydraulic Pressure System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-pressure-system.md) `(Standalone System)`
- [Temperature Control Unit](https://cnfx.com/llms/industry/chemical-manufacturing/product/temperature-control-unit.md) `(Standalone System)`
- [Web Tension Control System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/web-tension-control-system.md) `(Standalone System)`
- [Thickness Measurement Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/thickness-measurement-sensor.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Slurry Mixing System**, **Electrode Coating Machine**, **Electrode Drying Oven**  
**Downstream Applications**: Lithium-ion Battery Cells, Solid-state Battery Electrodes, Supercapacitor Electrodes  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the main purpose of a battery electrode calendering machine?
**A**: The machine compresses battery electrode coatings to achieve precise thickness and density, which is critical for optimal battery performance, energy density, and longevity in lithium-ion and other advanced battery production.

### Q: How does the thickness control system work in this calendering machine?
**A**: It uses precision thickness measurement sensors combined with real-time feedback to the hydraulic pressure system and web tension controls, maintaining accuracy within micrometers (μm) throughout the continuous production process.

### Q: What materials are used in the compression rollers and why?
**A**: Rollers are typically made from hardened steel, tungsten carbide, or industrial ceramics to withstand high linear pressures (kN/cm), maintain precise surface finish, and resist wear during continuous operation with abrasive electrode materials.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - MACHINERY DIRECTIVE 2006/42/EC

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Battery Electrode Calendering Machine](https://cnfx.com/industry/manufacture-batteries-accumulators/product/battery-electrode-calendering-machine)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: BATTERY_ELECTRODE_CALENDERING_MACHINE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 55d3cdbd
