---
title: "Weighing Hopper"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:WEIGHING_HOPPER"
  data_integrity_hash: "37b255f495990bbc2b311702496829d2"
  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:WEIGHING_HOPPER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/weighing-hopper.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/weighing-hopper"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-5.0 kg capacity with 0.1% FS accuracy"
    unit: "kg"
engineering_limits:
  max_safe_operating_point:
    value: 0.5
    unit: "mm"
    consequence: "Stress concentration at welded joints exceeding yield strength of 355 MPa steel due to cyclic loading fatigue"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Moisture ingress exceeding 85% RH into load cell cavity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with IP67 rating and desiccant cartridge integration"
  - node_2:
      trigger: "Material bridging due to particle cohesion forces exceeding 50 Pa"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Vibratory discharge system with 100 Hz frequency and 2 mm amplitude"
bom_nodes:
  load-cells:
    type: "part"
    urn: "URN:CNFX:ME:LOAD_CELLS"
    interface_type: "physical-logic-coupled"
  discharge-gate:
    type: "part"
    urn: "URN:CNFX:ME:DISCHARGE_GATE"
    interface_type: "physical-logic-coupled"
  vibration-system:
    type: "part"
    urn: "URN:CNFX:ME:VIBRATION_SYSTEM"
    interface_type: "physical-logic-coupled"
  support-structure:
    type: "component"
    urn: "URN:CNFX:ME:SUPPORT_STRUCTURE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/weighing-hopper.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "10c6ef5da66e2545a9c5f1c045041c3227aa714819e1a3bf823bb5176e1c49cd"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Weighing Hopper

## 1. Technical Definition
A precision container used to temporarily hold and measure mineral filler materials by weight before dispensing into the production process.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-5.0 kg capacity with 0.1% FS accuracy**. Failure boundary: **Structural deformation exceeding 0.5 mm at load cell mounting points under 150% overload**, Mechanism: **Stress concentration at welded joints exceeding yield strength of 355 MPa steel due to cyclic loading fatigue**.

### 2.1 Analytical Physics Model
Governed by the **Frame Structural Deflection Analysis**:

> **Primary Equation**: $\delta = \frac{5 q L^4}{384 E I}$  
> **Engineering Impact**: Ensures structural stability for multi-stage machines.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| q | Uniform Load | Engineering Constant |
| E | Elastic Modulus | Engineering Constant |
| I | Moment of Inertia | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Moisture ingress exceeding 85% RH into load cell cavity | 8 | Corrosion-induced signal drift exceeding 0.5% FS/hour | Hermetic sealing with IP67 rating and desiccant cartridge integration |
| Material bridging due to particle cohesion forces exceeding 50 Pa | 8 | Incomplete discharge causing 2-15% batch weight error | Vibratory discharge system with 100 Hz frequency and 2 mm amplitude |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Load Cells](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/load-cells.md) `(Standalone System)`
- [Discharge Gate](https://cnfx.com/llms/industry/food-manufacturing/product/discharge-gate.md) `(Standalone System)`
- [Vibration System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vibration-system.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Material Conveyor System**, **Load Cell Calibration Equipment**, **Programmable Logic Controller (PLC)**  
**Downstream Applications**: Composite Materials, Rubber Products, Plastic Compounds  

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

### Q: What materials are available for weighing hopper construction?
**A**: Our weighing hoppers are available in stainless steel (304/316 grades), carbon steel, and can be lined with various abrasion-resistant materials to suit specific mineral filler applications.

### Q: How does the vibration system improve weighing accuracy?
**A**: The integrated vibration system ensures complete material discharge and prevents bridging or sticking, providing consistent, accurate weight measurements for precise production process control.

### Q: What maintenance do weighing hopper load cells require?
**A**: Load cells require regular calibration checks and protection from moisture and dust. Our hoppers feature accessible mounting points for easy maintenance without disrupting production.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Weighing Hopper](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/weighing-hopper)**

### 🌐 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**: WEIGHING_HOPPER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 75a4ab98
