Side Brush: Diameter 400-600 mm, Length 800-1200 mm

Component Specifications

Definition

The side brush is a critical component of mechanical road sweepers, consisting of a cylindrical brush assembly mounted on a rotating arm or fixed bracket at the vehicle's side. It operates perpendicular to the main sweeper broom, extending the cleaning width and effectively removing debris from curbs, gutters, and hard-to-reach areas. The brush rotates at controlled speeds (typically 50-150 RPM) to sweep particulate matter, leaves, sand, and litter toward the central suction or collection system. Its design includes adjustable height and angle mechanisms to accommodate varying road surfaces and debris types while minimizing wear and optimizing cleaning efficiency.

Working Principle

The side brush operates on rotational kinetic energy transferred from a hydraulic or electric motor through a gearbox or direct drive system. As the brush rotates, its bristles make contact with the ground surface at a calculated angle (usually 15-30 degrees from vertical), creating a sweeping motion that lifts and propels debris inward toward the main collection area. The brush's rotational direction (typically clockwise on right-side mounts, counterclockwise on left-side mounts) creates a vortex effect that enhances debris capture. Pressure sensors and automatic retraction systems prevent damage from obstacles while maintaining consistent ground contact.

Materials

Bristles: High-density polypropylene (PP) or nylon filaments with wear-resistant additives (carbon fiber or ceramic particles). Core: Steel tube (ASTM A500 Grade B) with galvanized or powder-coated finish. Mounting hardware: Grade 8.8 steel bolts with corrosion-resistant plating. End caps: Polyurethane or reinforced polymer. Bearing assemblies: Sealed ball bearings (ABEC-3 rating) with grease lubrication.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	800-1200 mm
Weight	25-40 kg
Diameter	400-600 mm
Rotation Speed	50-150 RPM
Sweeping Width	600-1000 mm per side
Bristle Hardness	70-90 Shore D
Power Requirement	2-5 kW hydraulic motor
Operating Pressure	150-200 bar

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 11111, DIN 24540, ISO 12100

Parent Products

This component is used in the following industrial products

Road Sweeper

A specialized vehicle designed for cleaning streets, roads, and other paved surfaces by collecting debris, dust, and litter.

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Engineering Analysis

Risks & Mitigation

Bristle entanglement with wires or cables
Impact damage from curbs or obstacles
Hydraulic fluid leaks from drive systems
Excessive wear from abrasive debris

FMEA Triads

Trigger: Improper brush alignment or excessive downward pressure
Failure: Uneven bristle wear leading to reduced sweeping efficiency
Mitigation: Implement automatic pressure regulation and regular alignment checks using laser measurement tools

Trigger: Corrosion in mounting hardware due to road salt exposure
Failure: Structural weakening and potential brush detachment
Mitigation: Use stainless steel components and apply protective coatings, with quarterly corrosion inspections

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2 mm brush diameter variation, ±1° angular alignment, ±5 RPM speed consistency

Test Method

ANSI/AMCA 500-D for airflow resistance, ISO 2061 for bristle tensile strength, field testing per EN 15429-1 sweeper performance standards

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 Side Brush

Manufacturer profiles associated with Side Brush.

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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

How often should side brushes be replaced on road sweepers?

Replacement intervals depend on usage intensity and debris type, typically every 300-500 operating hours or when bristle wear reduces length by 30%. Regular inspection for uneven wear or damage is recommended monthly.

Can side brushes be used on different road surfaces?

Yes, with adjustable height and pressure settings. Softer bristles are recommended for delicate surfaces like brick or cobblestone, while stiffer bristles work better on asphalt and concrete. Always consult manufacturer specifications for surface compatibility.

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.

Side Brush