Industry-Verified Manufacturing Data (2026)

Ejector Housing

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Ejector Housing used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Ejector Housing is characterized by the integration of Mounting Flange and Guide Bore. In industrial production environments, manufacturers listed on CNFX commonly emphasize Tool Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The structural enclosure that houses and protects the ejector mechanism in an ejection system.

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Product Specifications

Technical details and manufacturing context for Ejector Housing

Definition
The ejector housing is a critical component of ejection systems used in manufacturing processes such as injection molding, die casting, and stamping. It serves as the protective casing that contains the ejector pins, plates, and associated mechanisms, ensuring proper alignment, guiding the ejection stroke, and preventing damage to the internal components from external forces or contaminants.
Working Principle
The housing remains stationary during the molding/casting process. After part formation, the internal ejector mechanism (pins/plate) is actuated, pushing the finished part out of the mold/die. The housing guides this linear motion, absorbs reaction forces, and maintains the precise alignment of all internal ejector components throughout the cycle.
Common Materials
Tool Steel, Aluminum Alloy
Technical Parameters
  • Overall external dimensions (Length x Width x Height) defining the housing's footprint and required clearance in the machine. (mm) Customizable
Components / BOM
  • Mounting Flange
    Provides a rigid interface for bolting the housing to the machine structure.
    Material: Tool Steel
  • Guide Bore
    Precision-machined hole that aligns and guides an ejector pin or rod during its stroke.
    Material: Hardened Tool Steel
  • Access Panel/Cover
    Removable section allowing maintenance, inspection, and replacement of internal ejector components.
    Material: Steel or Aluminum Alloy
Engineering Reasoning
0-120 MPa internal pressure, -40°C to 180°C ambient temperature
150 MPa yield strength (ASTM A36 steel), 200°C thermal deformation threshold
Design Rationale: Von Mises stress exceeding 150 MPa causes plastic deformation; differential thermal expansion (α=11.5×10⁻⁶/°C for steel) exceeding 0.5 mm clearance induces binding
Risk Mitigation (FMEA)
Trigger Hydraulic pressure surge exceeding 150 MPa
Mode: Housing wall fracture at stress concentration points
Strategy: Integrate pressure relief valve set at 130 MPa with 10 ms response time
Trigger Cyclic thermal loading ΔT=100°C at 0.5 Hz frequency
Mode: Thermal fatigue cracking at weld joints (Coffin-Manson exponent n=0.3)
Strategy: Implement Inconel 718 thermal barrier coating with 0.3 mm thickness

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ejector Housing.

tool steel ejector housing aluminum alloy ejector enclosure ejector mechanism protective housing machinery ejection system housing industrial ejector housing BOM

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Ejection System
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (150 psi)
flow rate: 0.5 to 50 L/min
temperature: -40°C to 150°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils ✓ Non-abrasive chemical solutions
Unsuitable: Highly corrosive acids (e.g., concentrated sulfuric acid)
Sizing Data Required
  • Required flow rate (L/min)
  • System operating pressure (bar)
  • Ejector mechanism dimensions (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity particle-laden fluid flow causing material loss on internal surfaces, often due to inadequate filtration or contaminated process media.
Fatigue cracking
Cause: Cyclic pressure fluctuations or thermal stresses leading to crack initiation and propagation, typically from improper operating conditions or material defects.
Maintenance Indicators
  • Unusual vibration or audible knocking during operation indicating internal component wear or imbalance
  • Visible external leaks or pressure drop anomalies suggesting seal degradation or internal damage
Engineering Tips
  • Implement real-time condition monitoring with vibration analysis and pressure trend tracking to detect early degradation
  • Establish preventive maintenance protocols including regular internal inspections, proper alignment checks, and strict adherence to operating parameter limits

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM A276/A276M - Standard Specification for Stainless Steel Bars and Shapes CE Marking - EU Machinery Directive 2006/42/EC
Manufacturing Precision
  • Bore Diameter: +/-0.025mm
  • Surface Flatness: 0.05mm per 100mm
Quality Inspection
  • Dimensional Verification with CMM
  • Pressure Testing (Hydrostatic/Pneumatic)

Factories Producing Ejector Housing

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

T Technical Director from Germany Jan 18, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Ejector Housing so far."
Technical Specifications Verified
P Project Engineer from Brazil Jan 15, 2026
★★★★☆
"Testing the Ejector Housing now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Canada Jan 12, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Ejector Housing from Germany (33m ago).

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Frequently Asked Questions

What materials are used for ejector housings in machinery manufacturing?

Ejector housings are typically constructed from Tool Steel for high durability and wear resistance, or Aluminum Alloy for lightweight applications requiring corrosion resistance.

What are the key components in an ejector housing assembly?

Standard ejector housing assemblies include a Mounting Flange for secure installation, a Guide Bore for precise ejector alignment, and an Access Panel/Cover for maintenance access.

How does an ejector housing protect ejection systems?

The ejector housing provides structural enclosure that shields the ejector mechanism from environmental contaminants, mechanical damage, and ensures operational safety in machinery systems.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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