Lower Tray: Weight Range 5-50kg, Thickness Range 1.5-5.0mm

Component Specifications

Definition

The lower tray is a critical structural component within machine enclosures, designed to support internal assemblies, contain fluids or debris, and maintain precise alignment of mounted components. It typically forms the base platform of the enclosure system, distributing operational loads and providing attachment points for other structural elements. In industrial applications, it ensures stability, facilitates maintenance access, and protects sensitive components from environmental contaminants.

Working Principle

The lower tray operates on principles of structural support and containment. It distributes mechanical loads through its rigid geometry, provides a stable mounting surface for components, and contains spills or debris through its raised edges or integrated drainage features. Its design ensures proper alignment of connected parts through precision-machined interfaces or locating features.

Materials

Common materials include: Cold-rolled steel (1.5-3.0mm thickness), Stainless steel (304/316 grades for corrosive environments), Aluminum alloys (6061-T6 for lightweight applications), Galvanized steel for corrosion resistance. Surface treatments may include powder coating, anodizing, or zinc plating.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight Range	5-50kg
Load Capacity	50-500kg depending on material and design
Surface Finish	Ra 3.2-6.3μm
Thickness Range	1.5-5.0mm
Flatness Tolerance	±0.5mm/m
Typical Dimensions	500x800mm to 1200x2000mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 2768, DIN 7168, ISO 9013, DIN EN 1090

Parent Products

This component is used in the following industrial products

Structural Enclosure

The rigid protective housing that contains and supports the battery cells, modules, and thermal management systems within an electric vehicle battery pack.

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Engineering Analysis

Risks & Mitigation

Structural fatigue from cyclic loading
Corrosion in humid environments
Misalignment due to improper installation
Contamination accumulation
Thermal expansion mismatch

FMEA Triads

Trigger: Inadequate material thickness for applied loads
Failure: Permanent deformation or cracking
Mitigation: Conduct structural analysis during design, use appropriate safety factors, implement regular inspection protocols

Trigger: Poor drainage design
Failure: Fluid accumulation leading to corrosion or electrical hazards
Mitigation: Include proper drainage channels, use corrosion-resistant materials, implement regular cleaning schedules

Trigger: Improper installation alignment
Failure: Component misalignment affecting machine operation
Mitigation: Use precision locating features, implement installation procedures with alignment verification, provide clear installation documentation

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 2768-m, Flatness tolerance ±0.5mm/m, Position tolerance ±0.2mm

Test Method

Dimensional verification with CMM, Load testing per ISO 12100, Corrosion testing per ISO 9227, Flatness measurement with precision level

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

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Manufacturers of Lower Tray

Manufacturer profiles associated with Lower Tray.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the primary function of a lower tray in industrial machinery?

The primary functions are: 1) Providing structural support for internal components, 2) Containing fluids, debris, or small parts, 3) Maintaining alignment of mounted assemblies, and 4) Distributing operational loads throughout the enclosure structure.

How do I select the right material for a lower tray application?

Material selection depends on: 1) Environmental conditions (corrosive, humid, high-temperature), 2) Weight requirements, 3) Load capacity needs, 4) Regulatory compliance, and 5) Cost considerations. Steel is common for heavy-duty applications, aluminum for weight-sensitive applications, and stainless steel for corrosive environments.

What maintenance is required for lower trays?

Regular maintenance includes: 1) Visual inspection for corrosion or deformation, 2) Cleaning to prevent debris accumulation, 3) Checking fastener tightness, 4) Verifying drainage channels are clear, and 5) Inspecting for wear at mounting points.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Lower Tray