Outrigger Pad/Float

Product Specifications

Technical details and manufacturing context for Outrigger Pad/Float

Definition

An outrigger pad or float is a structural component designed to be mounted at the base of outriggers on mobile machinery such as cranes, aerial work platforms, and heavy equipment. Its primary function is to distribute concentrated loads over a larger surface area, preventing ground penetration, reducing ground pressure, and enhancing overall stability during lifting or stationary operations. It serves as the critical interface between the outrigger foot and the ground surface. The pad/float works by increasing the effective bearing area of the outrigger foot. When the outrigger is deployed and load is applied, the pad transfers this force to the ground. The larger surface area reduces the ground pressure (force per unit area), preventing the outrigger from sinking into soft or unstable terrain. This principle ensures the machinery remains level and stable, preventing tipping or structural stress. Materials on file include high-strength steel, polyurethane, and rubber composite. Key parameters include rated load capacity (10–100 t), base plate dimensions (300×300–1200×1200 mm), thickness (20–80 mm), ground bearing pressure (0.5–2.5 MPa), surface flatness (≤0.5 mm), material hardness (80–95 Shore D), operating temperature range (-40–85 °C), weight (5–150 kg), tensile strength (20–60 MPa), compressive strength (60–120 MPa), coefficient of friction (0.4–0.8), and UV resistance (≥500 h per ASTM G154). These values are reference ranges and must be verified for the specific model and application. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The pad/float works by increasing the effective bearing area of the outrigger foot. When the outrigger is deployed and load is applied, the pad transfers this force to the ground. The larger surface area reduces the ground pressure (force per unit area), preventing the outrigger from sinking into soft or unstable terrain. This principle ensures the machinery remains level and stable, preventing tipping or structural stress.

Common Materials

High-strength steel, Polyurethane, Rubber composite

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Load Capacity	10–100 t	Maximum load per pad; higher values for heavy-duty cranes.
Base Plate Dimensions	300×300–1200×1200 mm	Square footprint; larger area reduces ground pressure.
Thickness	20–80 mm	Affects stiffness and load distribution.
Ground Bearing Pressure	0.5–2.5 MPa	Must not exceed soil bearing capacity to avoid sinking.
Surface Flatness	≤0.5 mm	Ensures even load transfer.
Material Hardness	80–95 Shore D	For polyurethane pads; balances durability and flexibility.
Operating Temperature Range	-40–85 °C	Extreme temperatures may affect material properties.
Weight	5–150 kg	Influences handling and transport.
Tensile Strength	20–60 MPa	For composite materials; ensures structural integrity.
Compressive Strength	60–120 MPa	Must exceed rated load capacity to prevent crushing.
Coefficient of Friction	0.4–0.8	Higher friction prevents slipping on inclined surfaces.
UV Resistance	≥500 h	Hours of accelerated weathering without significant degradation.ASTM G154

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Load Plate Part
The main structural body that distributes the vertical load.

Material: High-strength steel
Non-Slip Surface Part
Textured or patterned surface to increase friction with the ground and prevent sliding.

Material: Rubber, polyurethane, or textured steel
Attachment Point Part
Hardware (e.g., pin, latch, chain) for securing the pad to the outrigger foot.

Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Outrigger Pad/Float.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Outriggers

View system integration details

Manufacturers of Outrigger Pad/Float

Manufacturer profiles associated with Outrigger Pad/Float.

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Frequently Asked Questions

What is the primary function of an outrigger pad/float?

The primary function is to distribute the concentrated load from the outrigger foot over a larger ground area, reducing ground pressure and preventing the outrigger from sinking into soft terrain, thereby enhancing stability.

What materials are commonly used for outrigger pads?

Common materials include high-strength steel, polyurethane, and rubber composite. Each material offers different properties in terms of durability, flexibility, and weight.

How do I select the correct outrigger pad size?

Selection depends on the maximum load per outrigger and the soil bearing capacity. The pad must provide sufficient area to keep ground pressure below the soil's allowable bearing capacity. Refer to the manufacturer's specifications and engineering guidelines.

What maintenance is required for outrigger pads?

Regularly inspect for cracks, deformation, or excessive wear. Check surface flatness and ensure no debris is embedded. Replace if damaged or if performance is compromised. Follow manufacturer recommendations.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 100 psi ground pressure
other spec:	Max load capacity: 50,000 lbs per pad, Ground bearing capacity: 2,500 psf
temperature:	-40°C to 80°C

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards