Springs/Dampers: Load Capacity 500-5000 kg

Component Specifications

Definition

Springs and dampers in vibrating screens are mechanical components designed to manage vibration, isolate motion, and dissipate kinetic energy. Springs provide the necessary elasticity for the screen's oscillating motion, while dampers (shock absorbers) control excessive vibrations, reduce resonance, and protect structural integrity. These components work together to ensure smooth operation, minimize wear on other parts, and maintain consistent screening efficiency.

Working Principle

Springs store and release mechanical energy through elastic deformation, allowing the vibrating screen deck to oscillate. Dampers convert kinetic energy from vibrations into thermal energy via friction or hydraulic resistance, reducing amplitude and preventing harmonic resonance. This combination enables controlled, efficient screening motion while isolating vibrations from the machine frame and foundation.

Materials

Springs: High-carbon steel (SAE 1070/1095), alloy steel (SAE 5160), stainless steel (AISI 302/316), rubber (natural or synthetic). Dampers: Steel housing, hydraulic fluid (mineral oil or silicone), elastomeric elements (polyurethane, neoprene), friction materials.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Spring Rate	50-500 N/mm
Load Capacity	500-5000 kg
Frequency Range	10-30 Hz
Damping Coefficient	100-2000 Ns/m
Operating Temperature	-20°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 10243, DIN 2095, ISO 18137

Parent Products

This component is used in the following industrial products

Vibrating Screen

A mechanical screening device that uses vibration to separate abrasive materials by particle size within a recycling system.

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Engineering Analysis

Risks & Mitigation

Spring fatigue leading to breakage
Damper fluid leakage causing reduced damping
Resonance from improper tuning damaging the screen structure
Corrosion in harsh environments

FMEA Triads

Trigger: Overloading or material buildup
Failure: Spring deformation or fracture
Mitigation: Regular cleaning and adherence to load limits

Trigger: Seal wear or damage
Failure: Hydraulic damper leakage and loss of damping
Mitigation: Routine seal inspection and replacement

Trigger: Misalignment during installation
Failure: Uneven wear and reduced screening efficiency
Mitigation: Precise alignment checks during maintenance

Industrial Ecosystem

Compatible With

Vibrating screens, sieving machines, shakers

Typical Suppliers & Equivalents

Metso Outotec, Sandvik, Terex, Haver & Boecker

Compliance & Inspection

Tolerance

±5% for spring rate, ±10% for damping coefficient

Test Method

Dynamic load testing per ISO 10243, vibration analysis

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 Springs/Dampers

Manufacturer profiles associated with Springs/Dampers.

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Frequently Asked Questions

What is the purpose of springs and dampers in a vibrating screen?

Springs provide the oscillating motion needed for material separation, while dampers control excessive vibrations to prevent damage and ensure smooth operation.

How often should springs and dampers be inspected or replaced?

Inspect every 500 operating hours and replace if signs of wear, corrosion, or reduced performance appear, typically every 1-2 years depending on usage.

Can springs and dampers be customized for specific vibrating screen models?

Yes, they are often tailored based on screen size, material load, frequency requirements, and environmental conditions to optimize performance.

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.

Springs/Dampers