Road Recycling Machine

Product Specifications

Technical details and manufacturing context for Road Recycling Machine

Definition

A road recycling machine is a specialized construction equipment that performs cold in-place recycling of asphalt pavements. It mills the existing road surface to a specified depth, crushes the reclaimed asphalt pavement (RAP), mixes it with binding agents or additives as needed, and then lays the recycled material back onto the roadbed, creating a new base layer or wearing surface. This process is carried out in a single continuous operation, minimizing traffic disruption and reducing the need for new materials. The machine is typically used for road rehabilitation and maintenance, offering an efficient and environmentally friendly alternative to traditional removal and replacement methods. Key components include a milling drum with cutting teeth, internal crushers or pulverizers, a mixing chamber, and integrated screeds and compactors. The machine is powered by a diesel engine and operates on tracked or wheeled chassis, depending on the model. It is designed to handle various asphalt conditions and can adjust milling depth and speed to suit different pavement hardness. The recycled material is often mixed with binding agents such as asphalt emulsion, foamed asphalt, or cement to achieve the desired structural properties. The resulting pavement layer can serve as a base or wearing surface, extending the road's service life. Road recycling machines are available in different sizes and configurations, with working widths typically ranging from 2000 to 2500 mm and maximum recycling depths from 300 to 500 mm. Engine power typically ranges from 400 to 600 kW, and operating weight from 30,000 to 50,000 kg. These machines are essential for sustainable road infrastructure management, reducing waste and conserving natural resources. For specific model details, performance data, and applicable standards, it is essential to consult the legal manufacturer or supplier.

Working Principle

The machine operates by first using a milling drum with cutting teeth to remove the existing asphalt pavement to a controlled depth. The reclaimed material is then crushed and sized by internal crushers or pulverizers. Binding agents (such as asphalt emulsion, foamed asphalt, or cement) are added and mixed with the RAP in a mixing chamber. Finally, the recycled mixture is spread and compacted by integrated screeds and compactors to form a new pavement layer. The milling drum speed and travel speed are adjustable to match the hardness of the asphalt and the desired output. The entire process is continuous, allowing for efficient recycling of the road surface in a single pass.

Common Materials

High-strength steel, Tungsten carbide, Hardened alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Working WidthRequired	2000–2500 meters	Width of pavement that can be recycled in a single pass
Maximum Recycling DepthRequired	300–500 millimeters	Maximum depth to which the machine can mill and recycle existing pavement
Engine PowerRequired	400–600 kilowatts	Total power output of the machine's engine
Operating WeightRequired	30000–50000 kilograms	Total weight of the machine including all standard equipment
Travel SpeedRequired	0–5 meters per minute	Maximum forward and reverse travel speed during operation
Milling Drum Diameter	1000–1500 mm	Affects cutting force and depth
Milling Drum Speed	0–120 rpm	Variable speed for different asphalt hardness
Recycling Capacity	200–400 t/h	Throughput of recycled material
Operating Temperature	-20–50 °C	Typical ambient operating range
Electrical System Voltage	24 V DC	Standard for heavy machinery
Fuel Tank Capacity	800–1200 L	Enables long operation between refuels
Water Spray System Pressure	0.5–1.0 MPa	For dust suppression

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

Milling Drum
Rotating drum with cutting teeth that removes and pulverizes existing asphalt pavement

Material: High-strength steel with tungsten carbide cutting tips
Crusher/Pulverizer
Further reduces the size of reclaimed asphalt pavement particles to specified gradation

Material: Hardened alloy steel
Mixing Chamber
Where reclaimed asphalt pavement is mixed with binding agents or additives

Material: Abrasion-resistant steel
Binder System
Stores and precisely meters binding agents (asphalt emulsion, foamed asphalt, cement slurry) into the mixing process

Material: Stainless steel tanks and piping
Screed
Spreads and levels the recycled asphalt mixture to the desired thickness and cross-section

Material: Steel with heated plates
Compaction System
Compacts the recycled asphalt layer to achieve required density

Material: Steel with vibration mechanisms
Water System
Provides water for dust suppression and optimal moisture content in the recycled mix

Material: Stainless steel tanks and pumps
Grade and Slope Control
Automated system that maintains proper grade, slope, and depth during recycling operations

Material: Electronic components with steel mounting hardware

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Road Recycling Machine.

Manufacturers of Road Recycling Machine

Manufacturer profiles associated with Road Recycling Machine.

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Frequently Asked Questions

What is the typical working width of a road recycling machine?

According to the directory reference, the working width typically ranges from 2000 to 2500 mm. However, this is a general range and may vary by model. Always verify the exact working width with the legal manufacturer or supplier for the specific machine you are considering.

What materials are used in the construction of the machine?

The machine is typically constructed using high-strength steel for the main frame, tungsten carbide for cutting teeth, and hardened alloy steel for wear parts. These materials are selected for durability and resistance to abrasion. For specific material grades and specifications, consult the manufacturer.

What is the maximum recycling depth?

The maximum recycling depth is typically in the range of 300 to 500 mm, depending on the model and configuration. This depth can be adjusted to suit the pavement condition and project requirements. Always refer to the manufacturer's specifications for the exact depth capability.

How does the machine handle binding agents?

The machine is equipped with a mixing chamber where binding agents such as asphalt emulsion, foamed asphalt, or cement are added and mixed with the reclaimed asphalt pavement. The dosage and type of binding agent depend on the project design and are controlled by the machine's operating system. For specific capabilities, consult the manufacturer.

Data Basis

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pressure:	Hydraulic system: 200-350 bar, milling drum force: 15-30 kN per cutting tool
flow rate:	Material throughput: 200-800 tons/hour, hydraulic flow: 200-400 L/min
temperature:	5°C to 40°C (operating ambient), asphalt mix temperature: 120°C to 160°C
slurry concentration:	Recycled asphalt mix: 92-98% solids, emulsion additive: 2-8% by weight

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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