INDUSTRY COMPONENT

Barrel/Housing

The barrel/housing is the structural enclosure of a metering screw/feeder that contains and guides material flow while protecting internal components.

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Component Specifications

Definition
The barrel/housing in a metering screw/feeder is a cylindrical or rectangular structural component that forms the main body of the equipment. It houses the rotating screw, provides a controlled pathway for material transport, maintains pressure conditions, and protects internal mechanisms from contamination, wear, and environmental factors. It typically includes mounting interfaces, inspection ports, and connections for material inlet/outlet.
Working Principle
The barrel/housing creates a sealed or semi-sealed environment where the metering screw rotates to move materials at precise rates. It maintains geometric alignment, contains process pressure, prevents material leakage, and facilitates controlled feeding through its internal bore and discharge configuration.
Materials
Carbon steel (ASTM A36), stainless steel (304/316), hardened alloys, or wear-resistant liners (UHMW, ceramic). Material selection depends on application: food-grade stainless steel for sanitary requirements, carbon steel for general industry, or lined barrels for abrasive materials.
Technical Parameters
  • Length 500-3000 mm
  • Diameter 50-500 mm
  • Surface Finish Ra 0.8-3.2 μm
  • Wall Thickness 3-12 mm
  • Pressure Rating Up to 10 bar
  • Temperature Range -20°C to 200°C
Standards
ISO 9001, DIN 8580, ASME B31.3

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Barrel/Housing.

metering screw feeder barrel feeder housing industrial feeder components material handling equipment precision feeding systems Barrel/Housing Barrel/Housing in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Metering Screw/Feeder

A precision component that controls and delivers a specific volume or mass of material at a consistent rate.

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Engineering Analysis

Risks & Mitigation
  • Material wear from abrasion
  • Corrosion in chemical environments
  • Thermal expansion mismatch
  • Improper alignment causing screw binding
FMEA Triads
Trigger: Abrasive material flow
Failure: Excessive internal wear leading to increased clearance and reduced metering accuracy
Mitigation: Install replaceable wear liners, use hardened materials, implement regular inspection schedules
Trigger: Corrosive process media
Failure: Material degradation and potential contamination
Mitigation: Select corrosion-resistant materials (stainless steel), apply protective coatings, ensure proper cleaning procedures
Trigger: Thermal cycling
Failure: Distortion affecting screw clearance and alignment
Mitigation: Design with thermal expansion compensation, use stable materials, implement temperature monitoring

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm for critical dimensions, ±0.5° for alignment
Test Method
Dimensional inspection (CMM), pressure testing, material certification, surface roughness measurement

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the main functions of the barrel/housing in a metering screw feeder?

It contains the screw, guides material flow, maintains alignment, prevents contamination, and withstands operational pressures.

How do I select the right material for a feeder barrel?

Consider material compatibility (corrosion/abrasion), sanitary requirements (food/pharma), temperature, and regulatory standards.

Can barrel liners be replaced?

Yes, many designs allow replacement of wear-resistant liners to extend service life without replacing the entire housing.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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Barrel Shell Barrier Core Layer