---
title: "Drive Sprockets"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DRIVE_SPROCKETS"
  data_integrity_hash: "30a58e386f04bff6b583299b2a278c4b"
  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:DRIVE_SPROCKETS"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/drive-sprockets.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/drive-sprockets"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150 kN·m torque transmission, 0-3000 rpm rotational speed, -40°C to 120°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 450
    unit: "MPa"
    consequence: "Fatigue crack propagation from cyclic bending stress at tooth root (Paris' Law: da/dN = C(ΔK)^m), abrasive wear from hard particle contamination (Archard's wear equation: V = K·W·L/H), or plastic deformation from overload exceeding yield strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Inadequate lubrication film thickness (λ &lt; 1.0) causing metal-to-metal contact"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Forced lubrication system with 0.1 mm minimum oil film thickness, ISO VG 320 gear oil with EP additives, and 5 μm filtration"
  - node_2:
      trigger: "Misalignment exceeding 0.05 mm/mm between sprocket and drive shaft"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision ground spline connection with 0.02 mm maximum runout, laser-aligned mounting with 0.01 mm/m angular tolerance"
bom_nodes:
  sprocket-hub:
    type: "part"
    urn: "URN:CNFX:ME:SPROCKET_HUB"
    interface_type: "physical-logic-coupled"
  sprocket-teeth:
    type: "component"
    urn: "URN:CNFX:ME:SPROCKET_TEETH"
    interface_type: "physical-logic-coupled"
  mounting-flange:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_FLANGE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 606:2015 (SHORT-PITCH TRANSMISSION PRECISION ROLLER CHAINS AND CHAIN WHEELS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B29.1-2011 (PRECISION POWER TRANSMISSION ROLLER CHAINS, ATTACHMENTS, AND SPROCKETS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/drive-sprockets.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "38c7816114530e1915e9bf5f15eb4a5fed5be241cd1da941e8d636521fcf95fd"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Drive Sprockets

## 1. Technical Definition
Toothed wheels that transmit power from the engine to the tracks in tracked vehicles.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150 kN·m torque transmission, 0-3000 rpm rotational speed, -40°C to 120°C operating temperature**. Failure boundary: **Tooth root stress exceeds 450 MPa (yield strength of 4140 steel), surface contact pressure exceeds 1.2 GPa (Hertzian contact limit), or tooth deflection exceeds 0.15 mm (gear mesh tolerance)**, Mechanism: **Fatigue crack propagation from cyclic bending stress at tooth root (Paris' Law: da/dN = C(ΔK)^m), abrasive wear from hard particle contamination (Archard's wear equation: V = K·W·L/H), or plastic deformation from overload exceeding yield strength**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Inadequate lubrication film thickness (λ &lt; 1.0) causing metal-to-metal contact | 8 | Accelerated surface pitting and spalling on tooth flanks | Forced lubrication system with 0.1 mm minimum oil film thickness, ISO VG 320 gear oil with EP additives, and 5 μm filtration |
| Misalignment exceeding 0.05 mm/mm between sprocket and drive shaft | 8 | Edge loading and uneven tooth contact pattern leading to premature fatigue | Precision ground spline connection with 0.02 mm maximum runout, laser-aligned mounting with 0.01 mm/m angular tolerance |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Track Tensioning System**, **Hydraulic Power Unit**, **Track Drive Gearbox**  
**Downstream Applications**: Military Tanks, Construction Excavators, Agricultural Tractors  

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

### Q: What materials are best for drive sprockets in heavy-duty motor vehicle applications?
**A**: Alloy steel and hardened steel are optimal for drive sprockets due to their superior strength, wear resistance, and ability to withstand high torque loads in tracked vehicle applications.

### Q: How do drive sprockets transmit power in tracked vehicles?
**A**: Drive sprockets are toothed wheels that engage with track links, converting rotational power from the engine into linear motion to propel tracked vehicles like tanks, bulldozers, and excavators.

### Q: What are the key components of a drive sprocket assembly?
**A**: A complete drive sprocket assembly consists of three main BOM components: the mounting flange for secure attachment, the sprocket hub as the central structural element, and the sprocket teeth that engage with the vehicle tracks.

## 6. Manufacturing Compliance
- ISO 606:2015 (SHORT-PITCH TRANSMISSION PRECISION ROLLER CHAINS AND CHAIN WHEELS)
- ANSI B29.1-2011 (PRECISION POWER TRANSMISSION ROLLER CHAINS, ATTACHMENTS, AND SPROCKETS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Drive Sprockets](https://cnfx.com/industry/motor-vehicle-manufacturing/product/drive-sprockets)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: DRIVE_SPROCKETS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: c5b3ed5f
