Casing (Leg): Load Capacity 500-5000kg per leg

Component Specifications

Definition

The Casing (Leg) is a critical structural component in elevator bucket conveyor systems that supports the vertical casing sections, ensuring proper alignment, stability, and load distribution. It connects the conveyor casing to the foundation or supporting structure, maintaining the vertical orientation required for efficient material transport while withstanding operational stresses including vibration, material impact, and environmental forces.

Working Principle

The leg provides rigid mechanical support through bolted or welded connections to both the conveyor casing and foundation. It transfers operational loads (including weight of materials, dynamic forces from bucket movement, and vibration) to the supporting structure while maintaining precise vertical alignment of the casing sections to prevent misalignment that could cause jamming or excessive wear.

Materials

Typically fabricated from structural steel (S235JR, S355JR per EN 10025) or stainless steel (304, 316) for corrosive environments. Thickness ranges from 6-20mm depending on load requirements. Surface treatment includes hot-dip galvanizing (ISO 1461) or powder coating for corrosion protection.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Height	500-3000mm (adjustable)
Weight	15-150kg depending on size
Load Capacity	500-5000kg per leg
Mounting Type	Base plate with anchor bolts or welded connection
Adjustment Range	±50mm vertical, ±20mm horizontal
Connection To Casing	Flanged or direct weld

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 5048, ISO 1536, DIN 15231, DIN 22101

Parent Products

This component is used in the following industrial products

Elevator Bucket Conveyor

A vertical conveying component that uses buckets attached to a chain or belt to lift abrasive materials within a recycling system.

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Engineering Analysis

Risks & Mitigation

Structural failure due to overload
Misalignment causing conveyor jamming
Corrosion in humid/chemical environments
Fatigue failure from vibration
Improper installation leading to instability

FMEA Triads

Trigger: Inadequate material thickness or quality
Failure: Structural deformation or collapse
Mitigation: Use certified materials meeting ISO/DIN standards with proper thickness calculations for expected loads

Trigger: Poor foundation connection
Failure: Leg movement or detachment
Mitigation: Proper anchor bolt specification and installation torque control with regular inspection

Trigger: Corrosion in aggressive environments
Failure: Reduced structural integrity
Mitigation: Appropriate material selection (stainless steel) and protective coatings with regular maintenance

Trigger: Vibration-induced fatigue
Failure: Crack formation at stress points
Mitigation: Design with vibration dampening features and regular structural inspections

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Vertical alignment: ±2mm per meter of height; Base plate flatness: ±1.5mm; Bolt hole positioning: ±1mm

Test Method

Load testing per ISO 5048 (static load 1.5x design capacity), alignment verification with laser level, non-destructive testing (ultrasonic) for weld integrity, corrosion resistance testing per ISO 9227

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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Manufacturers of Casing (Leg)

Manufacturer profiles associated with Casing (Leg).

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Frequently Asked Questions

What is the primary function of the casing leg in elevator bucket conveyors?

The casing leg provides structural support and stability to the vertical casing sections, ensuring proper alignment and load distribution while connecting the conveyor to the foundation.

How are casing legs typically installed and adjusted?

Casing legs are installed using anchor bolts through base plates or welded connections. Most designs include adjustment mechanisms (typically slotted holes or threaded rods) allowing ±50mm vertical and ±20mm horizontal alignment during installation.

What materials are commonly used for casing legs in different environments?

Structural steel (S235JR/S355JR) is standard for general applications, while stainless steel (304/316) is used in corrosive environments. Surface treatments like hot-dip galvanizing or powder coating provide additional corrosion protection.

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.

Casing (Leg)