---
title: "Stopper Pusher Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:STOPPER_PUSHER_ASSEMBLY"
  data_integrity_hash: "a2f614ae6358b7b16fc9c35b62b053f8"
  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:STOPPER_PUSHER_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/stopper-pusher-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/stopper-pusher-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "5-210 bar hydraulic pressure, -40°C to 120°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 235
    unit: "bar"
    consequence: "Seal extrusion failure occurs when hydraulic pressure exceeds the seal material's extrusion resistance (Pextrusion = 1.15 × Poperational_max), thermal degradation follows Arrhenius equation with activation energy of 85 kJ/mol for nitrile rubber"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic fluid contamination with 15 μm+ particulate matter"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring at 0.7 bar"
  - node_2:
      trigger: "Cyclic pressure loading at 0.5 Hz frequency exceeding 10⁶ cycles"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement fillet radius optimization to maintain stress concentration factor Kt &lt; 1.8"
bom_nodes:
  pusher-rod:
    type: "component"
    urn: "URN:CNFX:ME:PUSHER_ROD"
    interface_type: "physical-logic-coupled"
  hydraulic-cylinder:
    type: "part"
    urn: "URN:CNFX:ME:HYDRAULIC_CYLINDER"
    interface_type: "physical-logic-coupled"
  piston:
    type: "component"
    urn: "URN:CNFX:ME:PISTON"
    interface_type: "physical-logic-coupled"
  seal-kit:
    type: "component"
    urn: "URN:CNFX:ME:SEAL_KIT"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    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/stopper-pusher-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "e35b2c895c6a078a88468673ca1b15281d6fc4d747e050822fcbd3a4dee1e3a7"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Stopper Pusher Assembly

## 1. Technical Definition
A mechanical assembly that pushes stoppers into position within hydraulic systems

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **5-210 bar hydraulic pressure, -40°C to 120°C temperature**. Failure boundary: **235 bar hydraulic pressure causing seal extrusion, 135°C thermal degradation of elastomers**, Mechanism: **Seal extrusion failure occurs when hydraulic pressure exceeds the seal material's extrusion resistance (Pextrusion = 1.15 × Poperational_max), thermal degradation follows Arrhenius equation with activation energy of 85 kJ/mol for nitrile rubber**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydraulic fluid contamination with 15 μm+ particulate matter | 8 | Seal abrasion leading to 0.5 mm/min leakage rate | Install 10 μm absolute filtration with differential pressure monitoring at 0.7 bar |
| Cyclic pressure loading at 0.5 Hz frequency exceeding 10⁶ cycles | 8 | Piston rod fatigue fracture at stress concentration points | Implement fillet radius optimization to maintain stress concentration factor Kt &lt; 1.8 |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hydraulic Power Unit**, **Automated Conveyor System**, **Precision Assembly Fixture**  
**Downstream Applications**: Hydraulic Cylinder Assemblies, Industrial Valve Systems, Heavy Machinery Hydraulic Components  

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

### Q: What materials are used in the stopper pusher assembly?
**A**: The assembly is constructed from durable chrome-plated steel and stainless steel components, with high-grade seals to ensure reliability in hydraulic systems.

### Q: What is included in the BOM for this assembly?
**A**: The bill of materials includes a hydraulic cylinder, mounting bracket, piston, pusher rod, and seal kit for complete assembly and maintenance.

### Q: How does the stopper pusher assembly function in hydraulic systems?
**A**: It mechanically pushes stoppers into precise positions within hydraulic systems, ensuring proper alignment and operation in machinery and equipment manufacturing.

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

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Stopper Pusher Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/stopper-pusher-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: STOPPER_PUSHER_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 47d79221
