Elastic Core: Load Capacity 500-5000 N, Diameter 50-200 mm

Q: What is the primary function of an Elastic Core in safety bumpers?

The Elastic Core absorbs impact energy through controlled elastic deformation, reducing transmitted forces to machinery while maintaining the ability to return to its original shape for repeated use.

Q: How do I select the right Elastic Core for my application?

Consider impact energy levels, required deflection distance, environmental conditions (temperature, chemicals), cycle life requirements, and compliance with relevant safety standards like ISO 13855.

Q: What maintenance does an Elastic Core require?

Regular visual inspection for cracks or permanent deformation, cleaning to prevent material degradation, and replacement when compression set exceeds 15% or visible damage occurs.

Component Specifications

Definition

The Elastic Core is a critical component within industrial safety bumpers designed to absorb kinetic energy from collisions through elastic deformation. It functions as the primary energy-absorbing element that compresses upon impact and returns to its original shape afterward, providing both impact protection and system reset capability. This component typically consists of engineered elastomeric materials arranged in specific geometric configurations to optimize energy absorption, force distribution, and durability under repeated loading cycles.

Working Principle

The Elastic Core operates on the principle of elastic deformation and energy absorption. When an external force is applied during a collision, the core material compresses, converting kinetic energy into potential energy stored within the deformed material structure. This controlled deformation reduces peak impact forces transmitted to machinery. After the force is removed, the material's elastic properties enable it to return to its original shape, ready for subsequent impacts. The design ensures predictable force-displacement characteristics through material selection and geometric optimization.

Materials

Typically manufactured from high-performance elastomers such as polyurethane (PU), thermoplastic elastomers (TPE), or silicone rubber with Shore hardness ranging from 60A to 90A. Advanced versions may incorporate composite structures with embedded reinforcement fibers or cellular foam structures. Material specifications include tensile strength (5-15 MPa), elongation at break (200-500%), compression set (<10% after 24 hours at 70°C), and temperature resistance (-40°C to +100°C continuous operation).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Height	30-150 mm
Diameter	50-200 mm
Cycle Life	>100,000 impacts
Deflection	20-60% of original height
Load Capacity	500-5000 N
Recovery Time	<2 seconds
Operating Temperature	-40°C to +100°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 13855, ISO 12100, DIN EN 349, DIN 5510

Parent Products

This component is used in the following industrial products

Safety Bumpers

Protective devices installed on machinery to absorb impact and prevent damage or injury during collisions.

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Engineering Analysis

Risks & Mitigation

Material fatigue from repeated impacts
Chemical degradation in harsh environments
Temperature extremes affecting elasticity
Incorrect installation reducing effectiveness
Compatibility issues with mating components

FMEA Triads

Trigger: Material fatigue from excessive impact cycles
Failure: Permanent deformation or cracking
Mitigation: Implement regular inspection schedules and replace at predetermined intervals based on cycle count

Trigger: Exposure to incompatible chemicals
Failure: Material swelling, softening, or degradation
Mitigation: Select chemically resistant materials and implement protective covers or barriers

Trigger: Extreme temperature operation
Failure: Reduced elasticity or brittle fracture
Mitigation: Use temperature-stable materials and consider environmental controls

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, ±5% on force-deflection characteristics

Test Method

Compression testing per ISO 7743, impact testing with controlled mass drop, environmental aging per ISO 188, cycle testing to failure

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.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Elastic Core

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hywell Machinery

Shanghai, CN

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “ELASTIC CORE SPUN YARN”
View source page ↗ hywell.com.cn · recorded 2026-09-09

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Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

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 an Elastic Core in safety bumpers?