Stacking Rim: Rim Width 20-35 mm, Rim Height 15-25 mm

Component Specifications

Definition

The stacking rim is a structural component integrated into the top perimeter of high-density polyethylene (HDPE) storage containers. It features a precisely engineered profile that interlocks with the base of another identical container, enabling stable vertical stacking. This design distributes compressive loads evenly across the container walls, preventing deformation and collapse during multi-tier storage. The rim enhances container stability, maximizes warehouse space utilization, and protects stored contents from damage during handling and transportation.

Working Principle

The stacking rim operates on the principle of mechanical interlocking and load distribution. When containers are stacked, the rim's profile engages with corresponding features on the container base, creating a stable connection that prevents lateral movement. The rim's geometry transfers vertical loads from upper containers downward through the container walls rather than concentrating stress on lids or weak points. This interlocking system maintains alignment during handling and reduces the risk of toppling, even under dynamic conditions like forklift transport.

Materials

High-Density Polyethylene (HDPE) with UV stabilizers and anti-static additives. Material grade: HDPE 5000S or equivalent, density 0.95-0.96 g/cm³, melt flow index 0.3-0.5 g/10min. May include glass fiber reinforcement (10-15%) for high-load applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rim Width	20-35 mm
Rim Height	15-25 mm
Load Capacity	150-300 kg per stacking point
Wall Thickness	4-6 mm at rim section
Interlock Depth	8-12 mm
Operating Temperature	-40°C to +80°C

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 9001, ISO 14001, DIN 30781, ASTM D4976

Parent Products

This component is used in the following industrial products

High-Density Polyethylene Storage Container

The High-Density Polyethylene (HDPE) Storage Container is a rotationally molded industrial container designed for the storage and transport of bulk materials.

View Product Details

Industrial-Grade Plastic Storage Container

Durable, stackable plastic container for industrial storage and material handling.

View Product Details

Engineering Analysis

Risks & Mitigation

Rim deformation under excessive load
Interlock failure during transport
Material degradation from UV exposure
Incompatible stacking with non-matching containers

FMEA Triads

Trigger: Overloading beyond rated capacity
Failure: Rim deformation or cracking
Mitigation: Implement load monitoring systems and follow manufacturer weight limits

Trigger: Improper container alignment during stacking
Failure: Interlock disengagement and container collapse
Mitigation: Train operators on proper stacking procedures and use alignment guides

Trigger: Material fatigue from repeated use
Failure: Reduced load-bearing capacity
Mitigation: Establish regular inspection schedules and replacement protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, ±1.0 mm on non-critical features

Test Method

Compression testing per ASTM D642, interlock engagement testing, cyclic load testing

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

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CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Stacking Rim

Manufacturer profiles associated with Stacking Rim.

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Frequently Asked Questions

What is the maximum stacking height for containers with this rim design?

Typically 4-6 containers high, depending on load weight and container size. Always consult manufacturer specifications for specific applications.

Can stacking rims be repaired if damaged?

Minor damage may be repaired with plastic welding, but severely damaged rims usually require container replacement to maintain structural integrity.

Are stacking rims compatible between different container brands?

Generally not interchangeable due to proprietary profiles. Always use containers from the same manufacturer for stacking systems.

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.

Stacking Rim