INDUSTRY COMPONENT

Rubber Pad

Rubber pads are resilient components used in leveling feet and adjusters to provide vibration damping, shock absorption, and stable machine support.

Component Specifications

Definition
A rubber pad is an engineered elastomeric component designed to be integrated into leveling feet or adjusters for industrial machinery. It functions as an interface between the machine base and the floor, providing multiple mechanical benefits including vibration isolation, noise reduction, load distribution, and compensation for minor surface irregularities. These pads are precision-molded from specialized rubber compounds to achieve specific hardness, compression set resistance, and environmental durability properties required for industrial applications.
Working Principle
Rubber pads operate on the principle of viscoelastic damping. When subjected to dynamic loads or vibrations, the rubber material deforms elastically, converting mechanical energy into heat through internal friction (hysteresis). This reduces transmitted vibrations and absorbs shock impacts. For leveling applications, the pad compresses under static load to create a stable, non-slip contact surface that distributes weight evenly and prevents machine movement.
Materials
Typically manufactured from synthetic rubber compounds including: Nitrile Rubber (NBR) for oil resistance, Neoprene (CR) for general purpose applications, EPDM for weather and ozone resistance, Silicone for high temperature applications, or Polyurethane for high load capacity. Hardness ranges from 40 to 80 Shore A depending on application requirements.
Technical Parameters
ParameterTypical rangeNotes & selection driver
ColorTypically black, sometimes color-coded by hardness
Hardness50-70 Shore A
Thickness3-25 mm
Diameter/Size30-150 mm standard
Load CapacityUp to 500 N/cm²
Compression Set<25% (ASTM D395)
Temperature Range-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 4632, ISO 815, DIN 53505, DIN 53504

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Chemical degradation from oils/solvents
  • UV degradation in outdoor applications
  • Compression set over time reducing effectiveness
  • Incorrect hardness selection causing inadequate damping or excessive deflection
  • Fire hazard with non-flame-retardant compounds
FMEA Triads
Trigger: Exposure to incompatible chemicals
Failure: Swelling, softening, or cracking of rubber material
Mitigation: Use chemical-resistant rubber compounds (NBR for oils, FKM for aggressive chemicals) and implement regular inspection protocols
Trigger: Continuous overloading beyond rated capacity
Failure: Permanent deformation (compression set) leading to loss of leveling function
Mitigation: Proper load calculation during design phase, installation of load indicators, and regular maintenance checks
Trigger: Improper installation on uneven surfaces
Failure: Uneven load distribution causing premature failure and machine instability
Mitigation: Surface preparation before installation, use of multiple smaller pads for large machines, and verification of level after installation

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.5 mm thickness, ±1.0 mm diameter for standard pads. Higher precision available for specialized applications.
Test Method
Compression testing per ISO 815, hardness testing per ISO 7619-1, aging tests per ISO 188, flame resistance per UL 94 where applicable

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.

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

Manufacturers of Rubber Pad

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.

Qingdao Jinyuan Rubber Co., Ltd.
Qingdao, Shandong, CN
ISO 9001:2015 IATF 16949:2016 FDA WRAS +3
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

How do I select the right hardness for a rubber pad?

Select hardness based on load requirements: Softer pads (40-50 Shore A) for better vibration isolation with lighter loads, harder pads (60-70 Shore A) for heavier equipment with less deflection. Consider both static and dynamic load conditions.

Can rubber pads be used outdoors?

Yes, when made from weather-resistant compounds like EPDM or neoprene with UV stabilizers. Standard NBR pads degrade with UV exposure and should be used indoors only.

How often should rubber pads be replaced?

Typically every 3-5 years depending on load conditions and environment. Signs of replacement needed include permanent deformation exceeding 25%, surface cracking, or hardening that reduces damping effectiveness.

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.

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