---
title: "Back Gauge System"
industry: "Fabricated Metal Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BACK_GAUGE_SYSTEM"
  data_integrity_hash: "23c1e3c9157158177c7c03a37ee8ff07"
  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:BACK_GAUGE_SYSTEM"
  data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/back-gauge-system.md"
  official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/back-gauge-system"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.01-10 mm positioning accuracy at 0.001 mm resolution"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.05
    unit: "mm"
    consequence: "Ball screw thermal expansion exceeding 12 μm/m·°C coefficient with 15°C temperature differential, causing 180 μm positioning error"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Encoder signal loss for 50 ms due to EMI at 85 dBμV/m interference level"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Quadrature encoder with differential signaling and 4x oversampling at 1 MHz sampling rate"
  - node_2:
      trigger: "Linear guide lubrication failure with 0.1 μm Ra surface roughness degradation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Recirculating ball linear guide with forced lubrication at 0.3 MPa pressure and 0.1 L/min flow rate"
bom_nodes:
  gauge-finger:
    type: "component"
    urn: "URN:CNFX:ME:GAUGE_FINGER"
    interface_type: "physical-logic-coupled"
  linear-guide:
    type: "part"
    urn: "URN:CNFX:ME:LINEAR_GUIDE"
    interface_type: "physical-logic-coupled"
  servo-motor:
    type: "part"
    urn: "URN:CNFX:ME:SERVO_MOTOR"
    interface_type: "physical-logic-coupled"
  encoder:
    type: "part"
    urn: "URN:CNFX:ME:ENCODER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - MACHINERY DIRECTIVE 2006/42/EC"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/back-gauge-system.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "24c2ab4d9b22681662e09536f2e34915bd601d0a2d0a4669901c2e63dcb05754"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Back Gauge System

## 1. Technical Definition
A positioning system that controls the distance from the bending line to the material edge in metal bending presses.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.01-10 mm positioning accuracy at 0.001 mm resolution**. Failure boundary: **Positional error exceeding ±0.05 mm from commanded position at 95% confidence interval**, Mechanism: **Ball screw thermal expansion exceeding 12 μm/m·°C coefficient with 15°C temperature differential, causing 180 μm positioning error**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Encoder signal loss for 50 ms due to EMI at 85 dBμV/m interference level | 8 | Servo motor overshoot to mechanical hard stop at 300 mm/s velocity | Quadrature encoder with differential signaling and 4x oversampling at 1 MHz sampling rate |
| Linear guide lubrication failure with 0.1 μm Ra surface roughness degradation | 8 | Positional hysteresis exceeding 5 μm during bidirectional movement | Recirculating ball linear guide with forced lubrication at 0.3 MPa pressure and 0.1 L/min flow rate |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Linear Guide](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guide.md) `(Standalone System)`
- [Servo Motor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/servo-motor.md) `(Standalone System)`
- [Encoder](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/encoder.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Press Brake**, **Material Handling System**, **CNC Controller**  
**Downstream Applications**: Metal Enclosures, HVAC Ductwork, Structural Components  

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

### Q: What is the primary function of a back gauge system in metal fabrication?
**A**: A back gauge system precisely controls the distance between the bending line and material edge on metal bending presses, ensuring accurate repeatable bends for fabricated metal products.

### Q: What materials are used in high-quality back gauge construction?
**A**: Our back gauge systems are built with durable steel frames, aluminum alloy components for reduced weight, and precision bearings for smooth, accurate movement and long service life.

### Q: How does the servo motor and encoder improve back gauge performance?
**A**: The servo motor provides precise, responsive movement control while the encoder delivers accurate position feedback, resulting in faster setup times and consistent bending accuracy in metal fabrication.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - MACHINERY DIRECTIVE 2006/42/EC

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Back Gauge System](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/back-gauge-system)**

### 🌐 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**: BACK_GAUGE_SYSTEM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 34aba032
