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Trough/Tube Housing Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

The Trough/Tube Housing is a critical structural component in screw conveyor systems, consisting of a U-shaped or tubular enclosure that houses the rotating screw flight. It provides containment for bulk materials being conveyed, prevents spillage, and maintains material flow direction. Available in various cross-sectional designs (U-trough, tubular, flanged) and lengths, it interfaces with end plates, covers, and discharge points to create a sealed conveying path. The housing's geometry directly influences material flow characteristics, capacity, and efficiency.

Working Principle

The housing creates a confined channel where bulk materials are pushed forward by the rotating screw flight. Its smooth interior surface minimizes friction and material buildup, while its structural rigidity supports mechanical loads and maintains alignment. In U-trough designs, the open top allows for inspection and easy cleaning, while tubular housings provide complete enclosure for dusty or hazardous materials. The housing's cross-sectional area determines the conveyor's volumetric capacity, and its length defines the conveying distance.

Materials

Carbon steel (ASTM A36/A572), stainless steel (304/316), abrasion-resistant steel (AR400/500), aluminum alloys, food-grade polymers (UHMW-PE, FDA-approved plastics). Material selection depends on application requirements: corrosion resistance, food safety, abrasion resistance, or chemical compatibility.

Technical Parameters

Cover Type Gasketed, hinged, solid, screened
Surface Finish Ra ≤ 3.2μm (food grade), mill finish (industrial)
Wall Thickness 3-10mm (steel), 6-20mm (polymeric)
Connection Type Bolted flanges, welded joints, quick-connect couplings
Standard Lengths 3m, 6m, 12m (modular)
Cross-section Type U-trough, Tubular, Flanged

Standards

ISO 7119, ISO 1050, DIN 15262, DIN 15263

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Trough/Tube Housing.

Parent Products

This component is used in the following industrial products

Screw Conveyor

A mechanical conveying device that uses a rotating helical screw blade to move bulk materials horizontally or at an incline.

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Engineering Analysis

Risks & Mitigation

Material buildup causing blockages
Corrosion in aggressive environments
Wear from abrasive materials
Structural deformation from overload
Improper sealing causing contamination

FMEA Triads

Trigger: Abrasive material flow
Failure: Excessive wall wear leading to leaks or structural failure
Mitigation: Use abrasion-resistant liners or thicker wall sections; implement regular thickness monitoring

Trigger: Corrosive environment
Failure: Corrosion penetration compromising structural integrity
Mitigation: Select corrosion-resistant materials (stainless steel, coated steel); apply protective coatings; implement corrosion monitoring

Trigger: Improper installation alignment
Failure: Misalignment causing excessive vibration and premature wear
Mitigation: Follow precise alignment procedures during installation; use laser alignment tools; implement regular alignment checks

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±1.5mm on length, ±0.5mm on straightness per meter, ±1.0mm on flange flatness

Test Method

Dimensional verification with laser measurement, pressure testing for sealed units, material certification per ASTM/ISO standards

Buyer Feedback

★★★★☆ 4.7 / 5.0 (9 reviews)

"The Trough/Tube Housing we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 41+ suppliers for Trough/Tube Housing on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Trough/Tube Housing is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the difference between U-trough and tubular housing?

U-trough housing has an open top for easy access and cleaning, suitable for non-hazardous materials. Tubular housing is fully enclosed, preventing dust emission and contamination, ideal for hazardous or dusty materials.

How do I select housing material for my application?

Consider material properties: use stainless steel for corrosive environments, abrasion-resistant steel for abrasive materials, food-grade polymers for food processing, and aluminum for lightweight applications.

What maintenance does the housing require?

Regular inspection for wear, corrosion, or deformation; cleaning to prevent material buildup; and checking gaskets/seals for leaks in enclosed designs.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Trough/Tube Housing