---
title: "Ejection System"
industry: "Rubber and Plastic Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:EJECTION_SYSTEM"
  data_integrity_hash: "6cef4733afe149dba59feeef42aed444"
  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:EJECTION_SYSTEM"
  data_source_uri: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/ejection-system.md"
  official_resource_url: "https://cnfx.com/industry/rubber-and-plastic-product-manufacturing/product/ejection-system"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "5-25 MPa hydraulic pressure, 0.1-2.0 mm/s ejection velocity, 20-120°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 30
    unit: "MPa"
    consequence: "Seal failure due to elastomer compression set exceeding 15% at 30 MPa, part adhesion from insufficient ejection force below 50 N/cm², lubricant viscosity breakdown at Arrhenius activation energy of 80 kJ/mol"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic fluid contamination with 15 μm particles exceeding ISO 4406 18/16/13"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold"
  - node_2:
      trigger: "Misalignment of ejector pins exceeding 0.02 mm perpendicular tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement guided ejector plates with linear bearings maintaining 0.005 mm parallelism"
bom_nodes:
  ejector-pin:
    type: "component"
    urn: "URN:CNFX:ME:EJECTOR_PIN"
    interface_type: "physical-logic-coupled"
  ejector-plate:
    type: "component"
    urn: "URN:CNFX:ME:EJECTOR_PLATE"
    interface_type: "physical-logic-coupled"
  return-pin:
    type: "component"
    urn: "URN:CNFX:ME:RETURN_PIN"
    interface_type: "physical-logic-coupled"
  ejector-housing:
    type: "part"
    urn: "URN:CNFX:ME:EJECTOR_HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 12100:2010 - SAFETY OF MACHINERY"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B11.19-2019 - PERFORMANCE CRITERIA FOR SAFEGUARDING"
    scope: "Verified Engineering Specification"
  - standard: "DIN 8580:2003-09 - MANUFACTURING PROCESSES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/ejection-system.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fc69942e61edcc2446d4863bcf167fbeb09103f9076f30085ce61a1b76a0df80"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Ejection System

## 1. Technical Definition
A mechanism within injection molds that pushes finished plastic parts out of the mold cavity after cooling and solidification.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **5-25 MPa hydraulic pressure, 0.1-2.0 mm/s ejection velocity, 20-120°C operating temperature**. Failure boundary: **Hydraulic pressure exceeding 30 MPa causes seal rupture, velocity below 0.05 mm/s results in part sticking, temperature above 150°C degrades lubricants**, Mechanism: **Seal failure due to elastomer compression set exceeding 15% at 30 MPa, part adhesion from insufficient ejection force below 50 N/cm², lubricant viscosity breakdown at Arrhenius activation energy of 80 kJ/mol**.

### 2.1 Analytical Physics Model
Governed by the **Pneumatic Actuator Theoretical Force**:

> **Primary Equation**: $F = P \cdot A \cdot \eta_{eff}$  
> **Engineering Impact**: Calculates real-world pushing/clamping force for rejectors.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Air Pressure | Engineering Constant |
| A | Cylinder Area | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydraulic fluid contamination with 15 μm particles exceeding ISO 4406 18/16/13 | 8 | Spool valve stiction causing 0.5 second delay in ejection timing | Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold |
| Misalignment of ejector pins exceeding 0.02 mm perpendicular tolerance | 8 | Asymmetric loading causing pin bending stress of 450 MPa exceeding yield strength | Implement guided ejector plates with linear bearings maintaining 0.005 mm parallelism |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Ejector Housing](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/ejector-housing.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Injection Molding Machine**, **Industrial Chiller**, **Hopper Dryer**  
**Downstream Applications**: Plastic Bottle Caps, Automotive Dashboard Components, Electronic Device Housings  

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

### Q: What materials are used in your ejection systems for durability?
**A**: Our ejection systems are constructed from premium tool steel, hardened steel, and stainless steel to withstand high-pressure molding cycles and resist wear, ensuring long-term reliability in rubber and plastic manufacturing.

### Q: How does the ejection system prevent damage to finished plastic parts?
**A**: The system uses precisely aligned ejector pins and plates to apply even force, smoothly pushing parts out of the mold cavity after cooling without marks or deformation, maintaining part integrity.

### Q: Can the ejection system be customized for different mold designs?
**A**: Yes, we offer customizable configurations including ejector pins, plates, return pins, and housings to fit various mold cavities and part geometries in rubber and plastic product manufacturing.

## 6. Manufacturing Compliance
- ISO 12100:2010 - SAFETY OF MACHINERY
- ANSI B11.19-2019 - PERFORMANCE CRITERIA FOR SAFEGUARDING
- DIN 8580:2003-09 - MANUFACTURING PROCESSES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Ejection System](https://cnfx.com/industry/rubber-and-plastic-product-manufacturing/product/ejection-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**: EJECTION_SYSTEM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 955fb72f
