---
title: "Metering Feeder"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:METERING_FEEDER"
  data_integrity_hash: "f46abf25235b90064d41afa06c750760"
  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:METERING_FEEDER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/metering-feeder.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/metering-feeder"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-15.0 kg/min at 2.0-6.0 bar differential pressure"
    unit: "kg/h"
engineering_limits:
  max_safe_operating_point:
    value: 1.8
    unit: "bar"
    consequence: "Cavitation-induced erosion at vena contracta when NPSHa &lt; NPSHr + 0.5 m, where NPSHr = 2.3 m at 15 kg/min"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Alloy particle size &gt; 150 μm entering 100 μm clearance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 80 μm mesh pre-filter with differential pressure monitoring at 0.5 bar threshold"
  - node_2:
      trigger: "Thermal expansion mismatch between 316L stainless steel housing (α=16.0×10⁻⁶/K) and tungsten carbide screw (α=4.5×10⁻⁶/K)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision thermal gap design with 25 μm clearance at 20°C expanding to 15 μm at 100°C"
bom_nodes:
  feed-screw-mechanism:
    type: "component"
    urn: "URN:CNFX:ME:FEED_SCREW_MECHANISM"
    interface_type: "physical-logic-coupled"
  drive-motor-controller:
    type: "part"
    urn: "URN:CNFX:ME:DRIVE_MOTOR_CONTROLLER"
    interface_type: "physical-logic-coupled"
  inlet-hopper:
    type: "component"
    urn: "URN:CNFX:ME:INLET_HOPPER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/metering-feeder.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d171b7facfe322d8a2d0c8601dd2aa77fc21a2d69268833a1b800f87f6310772"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Metering Feeder

## 1. Technical Definition
A precision component within the Alloy Feeder System that controls and regulates the flow rate of alloy materials into downstream processes.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-15.0 kg/min at 2.0-6.0 bar differential pressure**. Failure boundary: **Material flow rate deviation exceeding ±0.25% of setpoint or pressure drop below 1.8 bar**, Mechanism: **Cavitation-induced erosion at vena contracta when NPSHa &lt; NPSHr + 0.5 m, where NPSHr = 2.3 m at 15 kg/min**.

### 2.1 Analytical Physics Model
Governed by the **Tractive Power & Resistance Model**:

> **Primary Equation**: $P = \frac{F \cdot v}{\eta}$  
> **Engineering Impact**: Ensures motor torque capacity exceeds operational inertia.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| F | Total Tractive Resistance | Engineering Constant |
| v | Belt Speed | Engineering Constant |
| \eta | Efficiency | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Alloy particle size &gt; 150 μm entering 100 μm clearance | 8 | Abrasive wear of metering screw flights exceeding 50 μm clearance loss | Install 80 μm mesh pre-filter with differential pressure monitoring at 0.5 bar threshold |
| Thermal expansion mismatch between 316L stainless steel housing (α=16.0×10⁻⁶/K) and tungsten carbide screw (α=4.5×10⁻⁶/K) | 8 | Binding at operating temperature &gt;120°C causing torque increase to 45 N·m | Precision thermal gap design with 25 μm clearance at 20°C expanding to 15 μm at 100°C |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Drive Motor &amp; Controller](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-motor-controller.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Alloy Storage Silo**, **Material Conveyor System**, **Process Control Computer**  
**Downstream Applications**: Aluminum Alloy Castings, Steel Alloy Components, Precision Metal Parts  

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

### Q: What materials are used in the construction of this metering feeder?
**A**: This metering feeder is constructed from stainless steel and wear-resistant alloy components to ensure durability and precise material handling in demanding industrial environments.

### Q: How does the metering feeder control alloy material flow?
**A**: The feeder uses a precision feed screw mechanism driven by a motor controller to regulate and maintain consistent flow rates of alloy materials into downstream manufacturing processes.

### Q: What are the main components included in the metering feeder system?
**A**: The system includes a drive motor &amp; controller, feed screw/mechanism, and inlet hopper, all designed to work together for accurate material metering and flow regulation.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Metering Feeder](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/metering-feeder)**

### 🌐 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**: METERING_FEEDER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: f4631dd4
