---
title: "Spindle"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SPINDLE"
  data_integrity_hash: "f76d788bc2433a0b831aaf0a51b67701"
  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:SPINDLE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/spindle.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/spindle"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "5000-25000 rpm, 50-200 N·m torque, 0.01-0.05 mm radial runout"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 28000
    unit: "rpm"
    consequence: "Fatigue failure from cyclic torsional loading exceeding material endurance limit (σ_e = 350 MPa for 4140 steel), thermal expansion mismatch (ΔT &gt; 80°C causes 0.15 mm dimensional interference), bearing seizure due to lubricant film breakdown at λ &lt; 1.5"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Bearing lubricant contamination with particulate &gt; 5 μm"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install dual-stage filtration system with 3 μm absolute rating and magnetic particle trap"
  - node_2:
      trigger: "Thermal gradient &gt; 40°C across spindle length due to asymmetric cooling"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement symmetric cooling channels with 8 L/min flow rate and PID-controlled temperature regulation"
bom_nodes:
  shaft:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT"
    interface_type: "physical-logic-coupled"
  bearing-surfaces:
    type: "component"
    urn: "URN:CNFX:ME:BEARING_SURFACES"
    interface_type: "physical-logic-coupled"
  keyway-or-spline:
    type: "component"
    urn: "URN:CNFX:ME:KEYWAY_OR_SPLINE"
    interface_type: "physical-logic-coupled"
  threaded-end-tool-interface:
    type: "component"
    urn: "URN:CNFX:ME:THREADED_END_TOOL_INTERFACE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B5.45-1972 (SPINDLES - NOMENCLATURE, DEFINITIONS, AND TOLERANCES)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 55026:2016-12 (SPINDLE NOSES FOR MACHINE TOOLS; NOMINAL DIMENSIONS, TOLERANCES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/spindle.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "190bb3e31fd22d9602e07b28d9743fdc20e8e492eedb6aaa42011802e0a8a0e7"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Spindle

## 1. Technical Definition
A rotating shaft that transmits torque and motion within a rotary capping head assembly.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **5000-25000 rpm, 50-200 N·m torque, 0.01-0.05 mm radial runout**. Failure boundary: **Exceeds 28000 rpm (critical speed resonance), exceeds 250 N·m torque (yield strength limit), exceeds 0.08 mm radial runout (bearing clearance violation)**, Mechanism: **Fatigue failure from cyclic torsional loading exceeding material endurance limit (σ_e = 350 MPa for 4140 steel), thermal expansion mismatch (ΔT &gt; 80°C causes 0.15 mm dimensional interference), bearing seizure due to lubricant film breakdown at λ &lt; 1.5**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Bearing lubricant contamination with particulate &gt; 5 μm | 8 | Accelerated bearing wear leading to increased radial play &gt; 0.1 mm | Install dual-stage filtration system with 3 μm absolute rating and magnetic particle trap |
| Thermal gradient &gt; 40°C across spindle length due to asymmetric cooling | 8 | Thermal bowing causing 0.06 mm deflection at free end | Implement symmetric cooling channels with 8 L/min flow rate and PID-controlled temperature regulation |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Rotary Capping Head Assembly**, **Torque Monitoring System**, **Lubrication System**  
**Downstream Applications**: Bottled Beverages, Pharmaceutical Vials, Cosmetic Containers  

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

### Q: What materials are used for manufacturing this spindle?
**A**: This spindle is manufactured using high-grade Alloy Steel or Stainless Steel, chosen for durability, corrosion resistance, and ability to withstand high torque and rotational speeds in machinery applications.

### Q: What are the key components (BOM) of this spindle?
**A**: The Bill of Materials includes the main Shaft, precision Bearing Surfaces for smooth rotation, a Keyway or Spline for torque transmission, and a Threaded End or Tool Interface for secure attachment within the assembly.

### Q: What is the primary function of this spindle in machinery?
**A**: This spindle functions as a rotating shaft within a rotary capping head assembly, specifically designed to transmit torque and motion efficiently, ensuring precise operation in manufacturing and packaging equipment.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)
- ANSI/ASME B5.45-1972 (SPINDLES - NOMENCLATURE, DEFINITIONS, AND TOLERANCES)
- DIN 55026:2016-12 (SPINDLE NOSES FOR MACHINE TOOLS; NOMINAL DIMENSIONS, TOLERANCES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Spindle](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/spindle)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: SPINDLE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: f5e30c36
