---
title: "Discharge Opening"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DISCHARGE_OPENING"
  data_integrity_hash: "66d3a491931ecfa2aa9ae81e662c7501"
  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:DISCHARGE_OPENING"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/discharge-opening.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/discharge-opening"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "20-150 mm"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 180
    unit: "mm"
    consequence: "Excessive wear from abrasive particle flow exceeding Mohs hardness 7 materials, causing geometric deformation beyond design tolerances of ±0.5 mm"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic cylinder pressure drop below 150 bar"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual redundant hydraulic circuits with pressure maintenance at 200±10 bar"
  - node_2:
      trigger: "Abrasive particle accumulation exceeding 5 kg/m³ concentration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated high-pressure water jet cleaning system operating at 100 bar"
bom_nodes:
  adjustment-wedge:
    type: "component"
    urn: "URN:CNFX:ME:ADJUSTMENT_WEDGE"
    interface_type: "physical-logic-coupled"
  discharge-lip:
    type: "component"
    urn: "URN:CNFX:ME:DISCHARGE_LIP"
    interface_type: "physical-logic-coupled"
  hydraulic-adjustment-cylinder:
    type: "part"
    urn: "URN:CNFX:ME:HYDRAULIC_ADJUSTMENT_CYLINDER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1219-1:2012 (FLUID POWER SYSTEMS AND COMPONENTS - GRAPHICAL SYMBOLS AND CIRCUIT DIAGRAMS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/B93.5M-1985 (HYDRAULIC FLUID POWER - VALVES - METHOD FOR MEASURING PRESSURE DIFFERENTIAL/FLOW CHARACTERISTICS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 24342:1994 (HYDRAULIC FLUID POWER - DIRECTIONAL CONTROL VALVES - MOUNTING SURFACES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/discharge-opening.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "f30346b86d0ccac300bde8fb8a6ebe3ec8c2cd98e117d14c08e22dfb141814be"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Discharge Opening

## 1. Technical Definition
The adjustable opening at the bottom of an impact crusher through which crushed material exits the crushing chamber.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **20-150 mm**. Failure boundary: **Opening exceeds 180 mm or reduces below 15 mm**, Mechanism: **Excessive wear from abrasive particle flow exceeding Mohs hardness 7 materials, causing geometric deformation beyond design tolerances of ±0.5 mm**.

### 2.1 Analytical Physics Model
Governed by the **Darcy-Weisbach Pressure Drop**:

> **Primary Equation**: $\Delta P = f \cdot \frac{L}{D} \cdot \frac{\rho v^2}{2}$  
> **Engineering Impact**: Critical for sizing CIP (Clean-In-Place) pump heads.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| f | Friction Factor | Engineering Constant |
| L | Pipe Length | Engineering Constant |
| v | Velocity | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydraulic cylinder pressure drop below 150 bar | 8 | Opening width instability exceeding ±3 mm fluctuation | Dual redundant hydraulic circuits with pressure maintenance at 200±10 bar |
| Abrasive particle accumulation exceeding 5 kg/m³ concentration | 8 | Mechanical jamming preventing adjustment movement | Integrated high-pressure water jet cleaning system operating at 100 bar |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Hydraulic Adjustment Cylinder](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-adjustment-cylinder.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Vibrating Feeder**, **Conveyor Belt System**, **Dust Collection System**  
**Downstream Applications**: Construction Aggregates, Recycled Concrete, Mining Ore Fragments  

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

### Q: What materials are used in discharge openings for maximum durability?
**A**: Our discharge openings are constructed from high-strength alloy steel and abrasion-resistant steel plate to withstand continuous material flow and reduce wear in demanding crushing applications.

### Q: How does the hydraulic adjustment system work on discharge openings?
**A**: The hydraulic adjustment cylinder allows precise control of the discharge opening size while the crusher is operating, enabling real-time optimization of product size without stopping production.

### Q: What maintenance is required for crusher discharge openings?
**A**: Regular inspection of the discharge lip and adjustment wedge for wear, along with hydraulic system checks, ensures optimal performance. Replacement intervals depend on material abrasiveness and operating hours.

## 6. Manufacturing Compliance
- ISO 1219-1:2012 (FLUID POWER SYSTEMS AND COMPONENTS - GRAPHICAL SYMBOLS AND CIRCUIT DIAGRAMS)
- ANSI/B93.5M-1985 (HYDRAULIC FLUID POWER - VALVES - METHOD FOR MEASURING PRESSURE DIFFERENTIAL/FLOW CHARACTERISTICS)
- DIN 24342:1994 (HYDRAULIC FLUID POWER - DIRECTIONAL CONTROL VALVES - MOUNTING SURFACES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Discharge Opening](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/discharge-opening)**

### 🌐 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**: DISCHARGE_OPENING | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 4a253f24
