---
title: "Collimator Jaws"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:COLLIMATOR_JAWS"
  data_integrity_hash: "63d9f8c798e25f8459df91166981b208"
  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:COLLIMATOR_JAWS"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/collimator-jaws.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/collimator-jaws"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-5.0 mm positioning accuracy with ±0.05 mm repeatability"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.2
    unit: "mm"
    consequence: "Wear-induced backlash in lead screw mechanism exceeding 0.15 mm due to Hertzian contact stress exceeding 1.2 GPa at ball screw interface"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Lead screw thermal expansion coefficient mismatch (steel: 11.0×10⁻⁶/°C vs aluminum housing: 23.6×10⁻⁶/°C)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Invar alloy (1.2×10⁻⁶/°C) coupling between motor and lead screw with active thermal compensation algorithm"
  - node_2:
      trigger: "Electromagnetic interference from adjacent 15 kV power lines inducing 50 mV noise in 0-10 V position feedback signal"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Triple-shielded twisted pair cabling with ferrite chokes and differential signaling at 4-20 mA current loop"
bom_nodes:
  jaw-blade:
    type: "component"
    urn: "URN:CNFX:ME:JAW_BLADE"
    interface_type: "physical-logic-coupled"
  drive-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:DRIVE_MECHANISM"
    interface_type: "physical-logic-coupled"
  position-sensor:
    type: "part"
    urn: "URN:CNFX:ME:POSITION_SENSOR"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1101:2017 (GEOMETRICAL PRODUCT SPECIFICATIONS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI N43.2-2001 (RADIATION SAFETY FOR X-RAY DIFFRACTION AND FLUORESCENCE ANALYSIS EQUIPMENT)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 54115-1:2016 (NON-DESTRUCTIVE TESTING - RADIATION PROTECTION RULES FOR TECHNICAL APPLICATIONS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/collimator-jaws.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "b001ca6e825d2591710031be6113fb27a2d0497c59b59b237d867fc50c17b1f1"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Collimator Jaws

## 1. Technical Definition
Movable metal blocks in a collimator system that shape and define the radiation field.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-5.0 mm positioning accuracy with ±0.05 mm repeatability**. Failure boundary: **Positional deviation exceeding ±0.2 mm from commanded position**, Mechanism: **Wear-induced backlash in lead screw mechanism exceeding 0.15 mm due to Hertzian contact stress exceeding 1.2 GPa at ball screw interface**.

### 2.1 Analytical Physics Model
Governed by the **Rayleigh Resolution Criterion**:

> **Primary Equation**: $d = \frac{0.61 \lambda}{NA}$  
> **Engineering Impact**: Defines the theoretical limit of machine vision systems.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \lambda | Wavelength | Engineering Constant |
| NA | Numerical Aperture | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Lead screw thermal expansion coefficient mismatch (steel: 11.0×10⁻⁶/°C vs aluminum housing: 23.6×10⁻⁶/°C) | 8 | Positional drift of 0.3 mm at 40°C ΔT due to differential expansion | Invar alloy (1.2×10⁻⁶/°C) coupling between motor and lead screw with active thermal compensation algorithm |
| Electromagnetic interference from adjacent 15 kV power lines inducing 50 mV noise in 0-10 V position feedback signal | 8 | Servo oscillation at 120 Hz causing ±0.25 mm positional jitter | Triple-shielded twisted pair cabling with ferrite chokes and differential signaling at 4-20 mA current loop |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Drive Mechanism](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-mechanism.md) `(Standalone System)`
- [Position Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-sensor.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Radiation Source Unit**, **Beam Monitoring System**, **Cooling System**  
**Downstream Applications**: Medical Linear Accelerators, Industrial Radiography Systems, Radiation Therapy Equipment  

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

### Q: What materials are collimator jaws typically made from for optimal radiation absorption?
**A**: Collimator jaws are commonly manufactured from high-density materials like tungsten alloy, lead, or steel with specialized radiation-absorbing linings to effectively shape and define radiation fields while minimizing scatter.

### Q: How do collimator jaw drive mechanisms ensure precise radiation field shaping?
**A**: Collimator jaw drive mechanisms use precision motors and position sensors to accurately move tungsten or lead jaw blades, allowing for exact control over radiation field size and shape in medical and industrial applications.

### Q: What maintenance is required for collimator jaw systems in radiation equipment?
**A**: Regular inspection of jaw blade alignment, drive mechanism lubrication, and position sensor calibration is essential. Tungsten alloy jaws may require periodic cleaning to maintain radiation absorption efficiency and mechanical precision.

## 6. Manufacturing Compliance
- ISO 1101:2017 (GEOMETRICAL PRODUCT SPECIFICATIONS)
- ANSI N43.2-2001 (RADIATION SAFETY FOR X-RAY DIFFRACTION AND FLUORESCENCE ANALYSIS EQUIPMENT)
- DIN 54115-1:2016 (NON-DESTRUCTIVE TESTING - RADIATION PROTECTION RULES FOR TECHNICAL APPLICATIONS)

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

### 🌐 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**: COLLIMATOR_JAWS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 2dd316f0
