---
title: "Winding Spindle Assembly"
industry: "Electrical Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:WINDING_SPINDLE_ASSEMBLY"
  data_integrity_hash: "f3d15cb2e4b7d57471f420a06f73a714"
  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:WINDING_SPINDLE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/winding-spindle-assembly.md"
  official_resource_url: "https://cnfx.com/industry/electrical-equipment-manufacturing/product/winding-spindle-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-6000 rpm with 0.005 mm radial runout tolerance"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.015
    unit: "mm"
    consequence: "Bending fatigue failure due to cyclic loading exceeding yield strength (σ_y = 450 MPa) at critical rotational speeds"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Bearing lubrication degradation below 0.1 mm oil film thickness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated oil mist lubrication system with 0.3 μm filtration and pressure monitoring at 2 bar"
  - node_2:
      trigger: "Unbalanced coil form mass exceeding 0.5 kg at 100 mm radius"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dynamic balancing system with 0.1 g·mm residual unbalance tolerance and real-time mass compensation"
bom_nodes:
  spindle-shaft:
    type: "component"
    urn: "URN:CNFX:ME:SPINDLE_SHAFT"
    interface_type: "physical-logic-coupled"
  precision-bearings:
    type: "component"
    urn: "URN:CNFX:ME:PRECISION_BEARINGS"
    interface_type: "physical-logic-coupled"
  spindle-housing:
    type: "part"
    urn: "URN:CNFX:ME:SPINDLE_HOUSING"
    interface_type: "physical-logic-coupled"
  drive-coupling-pulley:
    type: "component"
    urn: "URN:CNFX:ME:DRIVE_COUPLING_PULLEY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B5.45-1972 (SPINDLES - NOMENCLATURE, DEFINITIONS, AND TOLERANCES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/winding-spindle-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "be0b814e9d58a5c63d2657e27fabf84b95ad9ee3d84c2de7f8cb98364efb5b49"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Winding Spindle Assembly

## 1. Technical Definition
A precision rotating assembly that holds and positions the coil form during the winding process in a motor winding machine.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-6000 rpm with 0.005 mm radial runout tolerance**. Failure boundary: **Radial deflection exceeding 0.015 mm at 6500 rpm or temperature exceeding 120°C**, Mechanism: **Bending fatigue failure due to cyclic loading exceeding yield strength (σ_y = 450 MPa) at critical rotational speeds**.

### 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 lubrication degradation below 0.1 mm oil film thickness | 8 | Spindle seizure with torque exceeding 15 N·m | Integrated oil mist lubrication system with 0.3 μm filtration and pressure monitoring at 2 bar |
| Unbalanced coil form mass exceeding 0.5 kg at 100 mm radius | 8 | Harmonic vibration at 100 Hz causing 0.02 mm radial displacement | Dynamic balancing system with 0.1 g·mm residual unbalance tolerance and real-time mass compensation |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Spindle Housing](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/spindle-housing.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Motor Winding Machine**, **Wire Tension Control System**, **Coil Form Feeding Mechanism**  
**Downstream Applications**: Electric Motor Stators, Transformer Coils, Solenoid Windings  

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

### Q: What materials are used in this winding spindle assembly?
**A**: This assembly uses alloy steel for the spindle shaft, bearing steel for the ball bearings, and aluminum alloy for the mounting housings to ensure durability and precision.

### Q: What components are included in the BOM for this spindle assembly?
**A**: The bill of materials includes a drive coupling or pulley, precision bearings, spindle housing, and spindle shaft, all designed for seamless integration into motor winding machines.

### Q: How does this spindle assembly improve the winding process?
**A**: It provides precise rotation and positioning of the coil form, ensuring consistent winding tension and alignment, which enhances motor performance and manufacturing efficiency.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)
- ANSI B5.45-1972 (SPINDLES - NOMENCLATURE, DEFINITIONS, AND TOLERANCES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Winding Spindle Assembly](https://cnfx.com/industry/electrical-equipment-manufacturing/product/winding-spindle-assembly)**

### 🌐 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**: WINDING_SPINDLE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 36914ee7
