---
title: "Tool Holder / Collet Chuck"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:TOOL_HOLDER_COLLET_CHUCK"
  data_integrity_hash: "2c28c44af7dc76456a940e67ab409d2a"
  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:TOOL_HOLDER_COLLET_CHUCK"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/tool-holder-collet-chuck.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/tool-holder-collet-chuck"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "Clamping force: 500-15000 N, Runout tolerance: 0.003-0.010 mm, Maximum rotational speed: 8000-25000 RPM"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 400
    unit: "N"
    consequence: "Elastic deformation of collet fingers exceeding yield strength (σ_y = 600 MPa for spring steel), Hertzian contact stress exceeding material fatigue limit (σ_f = 300 MPa), Centrifugal force exceeding clamping force at critical speed"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Thermal expansion mismatch between collet (α_collet = 11.5×10^-6 K^-1) and tool shank (α_tool = 13.0×10^-6 K^-1)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement temperature-compensating collet design with bimetallic elements, Use cryogenic cooling to maintain ΔT &lt; 50°C"
  - node_2:
      trigger: "Cyclic bending stress from interrupted cutting exceeding fatigue limit (σ_f = 350 MPa for hardened steel)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply shot peening to induce compressive residual stress (-200 MPa), Design elliptical fillet transitions with radius ≥ 1.5 mm"
bom_nodes:
  collet:
    type: "component"
    urn: "URN:CNFX:ME:COLLET"
    interface_type: "physical-logic-coupled"
  chuck-bodynut:
    type: "component"
    urn: "URN:CNFX:ME:CHUCK_BODYNUT"
    interface_type: "physical-logic-coupled"
  taper-shank:
    type: "component"
    urn: "URN:CNFX:ME:TAPER_SHANK"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 7388-1:2007 (TOOL HOLDERS FOR AUTOMATIC TOOL CHANGERS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B5.50-2009 (TOOL SHANKS FOR MACHINING CENTERS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 69893-1:2012 (TOOL HOLDERS FOR AUTOMATIC TOOL CHANGERS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/tool-holder-collet-chuck.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "4d1a5c2bd0d92b1060ffa085ffc2c6c6fb8963fcef4c0a671aecfe41a0cf4cbc"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Tool Holder / Collet Chuck

## 1. Technical Definition
A precision clamping device that securely holds cutting tools in machine tool spindles.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **Clamping force: 500-15000 N, Runout tolerance: 0.003-0.010 mm, Maximum rotational speed: 8000-25000 RPM**. Failure boundary: **Clamping force drops below 400 N, Runout exceeds 0.015 mm, Rotational speed exceeds 28000 RPM**, Mechanism: **Elastic deformation of collet fingers exceeding yield strength (σ_y = 600 MPa for spring steel), Hertzian contact stress exceeding material fatigue limit (σ_f = 300 MPa), Centrifugal force exceeding clamping force at critical speed**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Thermal expansion mismatch between collet (α_collet = 11.5×10^-6 K^-1) and tool shank (α_tool = 13.0×10^-6 K^-1) | 8 | Tool slippage during high-speed machining operations | Implement temperature-compensating collet design with bimetallic elements, Use cryogenic cooling to maintain ΔT &lt; 50°C |
| Cyclic bending stress from interrupted cutting exceeding fatigue limit (σ_f = 350 MPa for hardened steel) | 8 | Collet finger fracture at stress concentration points | Apply shot peening to induce compressive residual stress (-200 MPa), Design elliptical fillet transitions with radius ≥ 1.5 mm |

## 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**: **CNC Machining Center**, **Tool Presetter**, **Coolant Filtration System**  
**Downstream Applications**: Aerospace Components, Automotive Engine Parts, Medical Implants  

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

### Q: What materials are used in this tool holder/collet chuck?
**A**: This tool holder/collet chuck is manufactured from high-quality alloy steel for durability, precision, and reliable performance in machinery and equipment manufacturing applications.

### Q: What components are included in the BOM for this tool holder?
**A**: The bill of materials includes the collet for gripping the cutting tool, the chuck body/nut assembly for clamping force, and the taper shank for secure mounting in the machine tool spindle.

### Q: How does this tool holder ensure secure clamping of cutting tools?
**A**: The precision-engineered design combines the collet's gripping mechanism with the chuck body/nut's clamping force to securely hold cutting tools in machine tool spindles, minimizing vibration and ensuring accurate machining operations.

## 6. Manufacturing Compliance
- ISO 7388-1:2007 (TOOL HOLDERS FOR AUTOMATIC TOOL CHANGERS)
- ANSI/ASME B5.50-2009 (TOOL SHANKS FOR MACHINING CENTERS)
- DIN 69893-1:2012 (TOOL HOLDERS FOR AUTOMATIC TOOL CHANGERS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Tool Holder / Collet Chuck](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/tool-holder-collet-chuck)**

### 🌐 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**: TOOL_HOLDER_COLLET_CHUCK | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: dec2c11a
