---
title: "Drive Sprocket"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DRIVE_SPROCKET"
  data_integrity_hash: "fde6c66216f397a6d6bc224902c57bae"
  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_SPROCKET"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-sprocket.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/drive-sprocket"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150 kN·m torque transmission, 0-1200 rpm rotational speed, -40°C to 150°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 450
    unit: "MPa"
    consequence: "Hertzian contact fatigue from cyclic loading exceeding material endurance limit (280 MPa for 4140 steel), abrasive wear from silica particle contamination (Mohs hardness 7), bending fatigue from stress concentration at tooth root fillet (stress concentration factor Kt=2.1)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Misalignment exceeding 0.05 mm/mm between sprocket axis and track plane"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision ground mounting surfaces with 0.01 mm flatness tolerance, laser-aligned installation fixtures"
  - node_2:
      trigger: "Hard particle contamination (≥50 μm silica) in lubricant exceeding 1000 particles/mL"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Magnetic filtration system with 10 μm absolute rating, sealed lubrication circuit with positive pressure (0.2 bar)"
bom_nodes:
  sprocket-hub:
    type: "component"
    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-holeskeyway:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_HOLESKEYWAY"
    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"
  - standard: "DIN 8187-1:2012 (ROLLER CHAINS FOR MECHANICAL ENGINEERING; SPROCKETS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-sprocket.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fcf0e5a734268fc8e18741598c7d6443ace4f3ddf8c7f3ce9cbd629d14c78870"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Drive Sprocket

## 1. Technical Definition
A toothed wheel that engages with the track links of a crawler undercarriage to transmit power and propel the vehicle.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150 kN·m torque transmission, 0-1200 rpm rotational speed, -40°C to 150°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), tooth deflection exceeds 0.15 mm (gear mesh tolerance)**, Mechanism: **Hertzian contact fatigue from cyclic loading exceeding material endurance limit (280 MPa for 4140 steel), abrasive wear from silica particle contamination (Mohs hardness 7), bending fatigue from stress concentration at tooth root fillet (stress concentration factor Kt=2.1)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Misalignment exceeding 0.05 mm/mm between sprocket axis and track plane | 8 | Uneven tooth loading causing localized pitting and spalling | Precision ground mounting surfaces with 0.01 mm flatness tolerance, laser-aligned installation fixtures |
| Hard particle contamination (≥50 μm silica) in lubricant exceeding 1000 particles/mL | 8 | Three-body abrasive wear reducing tooth profile accuracy by &gt;0.5 mm | Magnetic filtration system with 10 μm absolute rating, sealed lubrication circuit with positive pressure (0.2 bar) |

## 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**: **Heat Treatment Furnace**, **CNC Gear Hobbing Machine**, **Coordinate Measuring Machine**  
**Downstream Applications**: Crawler Excavators, Track-Type Tractors, Military Tracked Vehicles  

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

### Q: What materials are best for drive sprockets in heavy machinery?
**A**: Forged alloy steel and heat-treated carbon steel are optimal for drive sprockets, offering superior strength, wear resistance, and durability under high-load conditions in crawler undercarriages.

### Q: How does the sprocket engage with the track links?
**A**: The sprocket teeth precisely mesh with the track links of the crawler undercarriage, transmitting rotational power from the drive system to propel the vehicle efficiently and reliably.

### Q: What are the key components in a drive sprocket BOM?
**A**: A drive sprocket bill of materials typically includes the sprocket hub, sprocket teeth, and mounting features like holes and keyways for secure installation and alignment.

## 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)
- DIN 8187-1:2012 (ROLLER CHAINS FOR MECHANICAL ENGINEERING; SPROCKETS)

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

### 🌐 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_SPROCKET | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: a980959c
