Product feature: Dynapac rollers

Dynapac’s single-drum rollers, including the CA2500, are available in a variety of models to suit any application


Dynapac’s single-drum rollers, including the CA2500, are available in a variety of models to suit any application

Sometimes, it can be hard to know which roller best meets a user’s needs. There are many factors to consider, such as the size of the job, the type of surface, and the budget available.

As Dynapac’s exclusive New Zealand distributor, Mimico has a wide selection of single-drum and double-drum vibratory rollers in stock. The long-established distributor understands the importance of choosing the right equipment for a business, which is why they offer expert advice and support every step of the way.

Single-drum vibratory rollers

Dynapac’s single-drum vibratory rollers offer excellent performance in terms of operating speed, gradeability, and traction, the manufacturer says. The compact design of the rollers makes them easy to manoeuvre and transport, even in tight spaces. They are available in a variety of models, from light- to medium-duty.

Dynapac’s range of small- and medium-size single-drum vibratory rollers are suitable for most types of soil, being used for road construction, airfields, dam construction, harbour projects, and industrial constructions.

The thickness and grade of the drum’s steel are adapted for compacting rockfill, while vibratory rollers are also known for their excellent performance on other types of fill.

A special version with a padfoot drum (PD) is available for compacting cohesive soils. Heavy single-drum vibratory rollers are designed for the toughest compaction applications.

Rockfill can be compacted in two-metre-thick layers, in which the size of the rocks can be up to a metre in diameter. The smooth drum shell thickness gives a long productive lifetime for compaction of rockfill, gravel, and sand.

Double-drum vibratory rollers

Dynapac’s double-drum vibratory rollers are ideal for use on a variety of materials

Mimico says Dynapac’s double-drum vibratory rollers can provide outstanding compaction performance, which makes them ideal for use on a variety of materials, including sand, gravel, and asphalt. Performance, visibility, operator comfort, compaction control, and serviceability will appeal to owners, operators, and service crews.

Dynapac’s double-drum asphalt roller range is designed for small repair jobs through to the biggest sites. Vibration dampened platforms, swivel seats for better visibility, logically sorted controls, and rollover protective structures (ROPS) all contribute to manoeuvrability, operator ergonomics, and safety.

All models have high-frequency vibration as standard. They are also quick and easy to service, ensuring maximum uptime. The use of a double pump vibration system eliminates the need for a vibration valve, making the system more efficient, aiding servicing, and reducing fuel consumption.

Dynapac Seismic does it automatically

For many years, the soil and roller drum were considered two separate systems. Dynapac’s engineering team recognised that the soil and drum work together as one system, which opened the door for the development of the Dynapac Seismic system.

All drum and soil combinations have their own unique natural frequencies. Dynapac Seismic automatically detects the frequency of the soil characteristics and works with it to apply the correct amount of energy exactly when required.

When in compaction mode, energy is automatically fed to the system at exactly the right time, which, in turn, maximises the contact force between the drum and the ground, yielding maximised compaction and energy efficiency.

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