HAMM Electric Tandem Rollers

Page 44 • November 2, 2022 • www.constructionequipmentguide.com • Paving Section • Construction Equipment Guide HAMM Enters Electrical Machines Market With New Tandem Rollers

With eight models in the HD CompactLine, HAMM is entering the market segment for tandem rollers with electric drives.

Upon demand, with the Power Hybrid rollers from HAMM, the hydraulic accumulator supplies up to 20 kW more than the diesel power unit in a short time.

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Electrified tandem rollers, hybrid solutions and ECO mode: For many years, HAMM has been developing fuelefficient machine technology in order to achieve an efficient and, in turn, resource-conserving workflow on the construction site.

One milestone included the Power Hybrid roller from the HD+ series. With eight electrified tandem rollers, HAMM is now entering the segment for fully electrical construction machines.

Resource-Conserving Power Train

In all current series, the power train has been continuously optimized and designed for operation at reduced speeds. The operating companies therefore save fuel each day.

The automatic engine stop also reduces consumption: It automatically switches off the engine after a few minutes of downtime, while also taking into consideration the requirements for the exhaust gas cleaning systems. The ECO mode, which is integrated into all series, also helps the driver to compact in a way that they can easily save fuel. Quiet Power Hybrid Rollers Save CO2

Back in 2016, HAMM was already the first manufacturer in the world to combine a diesel engine with a hydraulic accumulator for the development of alternative drives. With this Power Hybrid roller from the HD+ series, it was possible to reduce the fuel expenditure by approximately 15 percent — all without having to compromise on compaction power. This also was coupled with a reduction in noise emissions. Emission-Free Compaction With Electric Tandem Rollers

More and more municipalities are demanding low-emission or completely emission-free construction machines.

In the future, wherever compaction must be carried out free of emissions, the electrically powered tandem rollers in the HD CompactLine series can take over the compaction. When operating the electric tandem rollers, there are no differences to the diesel-powered models, and even the compaction power is identical, according to the manufacturer. Fully Electrical Solution

Conceptually, HAMM is relying on a fully electric solution: Due to a high degree of electrified components, the compaction specialists achieve an optimal energy yield.

A maintenance-free Li-ion battery with a capacity of around 23 kWh supplies the components via a 48 V onboard power supply. Furthermore, the energy released from the drive engines and vibration motors when braking is used via recuperation.

The bottom line is that the battery can be used to tackle an entire working day. To charge the permanently installed battery, plugs for 230 V and 400 V mains power are included on-board.

Electric Combination Roller With Oscillation:

Quiet, Low-Vibration, Emission-Free

The electric drive also drastically reduces the noise emissions since there is no longer any noise from the engine. This makes the electric tandem rollers ideal for all areas in which you want to compact with as little noise as possible.

Since, in these environments, a low load with vibrations is often required, the compaction specialist is presenting electric vibration and oscillation rollers, as well as an electric combination roller with oscillation.

Operating With Biodiesel, HVO

Most of the HAMM rollers that are currently on the market can already be operated with non-fossil fuels. This includes biodiesel, i.e. diesel fuel that is derived from plants, as well as HVO (hydrotreated vegetable oil). These can be mixed in with the diesel fuel or can replace it entirely. This also includes biodegradable hydraulic oils for the standard product range.

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Page 48 • November 2, 2022 • www.constructionequipmentguide.com • Paving Section • Construction Equipment Guide Sakai America Announces Changes to Its Sales, Marketing Department Roles

(L-R) are Daniel Margrave, Eric Booth and Brad Belvin.

Sakai America announced recent changes to the sales and marketing team.

Brad Belvin previously held dual roles as manager of sales and marketing and as regional sales manager of the Northeast. He will hand off the regional sales manager position so he can focus on managing the sales and marketing teams as Sakai continues growing its U.S. asphalt and soil compaction machine business.

Eric Booth will take over as regional sales manager supporting equipment dealers in the Northeast United States

and parts of Canada. For the past two years, Booth managed product training and marketing if Sakai America at the company’s headquarters in north Georgia. Daniel Margrave has joined Sakai America in the product training and marketing manager role. He comes to Sakai with 15 years of web-focused marketing experience and looks forward to supporting dealers in communicating Sakai’s storied Japanese reliability, quality and simplicity. For more information, visit www.sakaiamerica.com.  CRH Americas Materials, Top Asphalt Producer, Joins NAPA Climate Initiative

CRH Americas Materials, one of North America’s largest asphalt paving companies and asphalt producers, has joined The Road Forward, an industrywide initiative of the National Asphalt Pavement Association (NAPA) to achieve net zero carbon emission asphalt pavements. The move is the latest in many steps CRH has taken to proactively address the challenges and opportunities of climate change.

Sustainability is deeply embedded in all aspects of CRH’s business. CRH is committed to building a more resilient, circular and sustainable world, which includes product innovation in warm-mix asphalt and recycled asphalt pavements, both of which are key components to achieving the industry goals established in The Road Forward. Moreover, CRH’s Innovation Centre for Sustainable Construction (ICSC) partners with industry and academia to develop new and innovative technologies to advance environmental goals and solutions, with more than 60 research projects under way.

“CRH’s leadership in the areas of sustainability and environmental responsibility, both at the company level and at the Association level, have been tremendous,” said NAPA President and CEO Audrey Copeland. “Through innovation, leadership, and profound commitment, CRH sets an example for asphalt mix producers and pavers throughout our industry.”

A NAPA member since 1986, CRH’s active leadership in the association has made a significant contribution to advancing the industry. Executive Vice President John Keating served as NAPA chairman of the board in 2013, a role that CRH Americas Materials New England Group President Christian Zimmermann will embrace in 2023.

“In addition to delivering a more sustainable built environment, our decarbonization efforts often have the added benefit of reducing the cost of asphalt pavement materials, improving their performance, or both,” said Ron Sines, CRH’s vice president, Sustainability & Decarbonization.

Sines chaired NAPA’s Climate Stewardship Task Force, which developed The Road Forward based on extensive research and input from producers, suppliers and academia.

“By formally joining The Road Forward initiative, CRH will help further advance emissions reduction technologies and practices, generating value for pavement owners, industry and other stakeholders.”

“CRH’s commitment to and support of The Road Forward further propels our collective vision for the future: sustainable communities and commerce, connected by net zero carbon asphalt pavements,” said Copeland.

For more information, visit AsphaltPavement.org/Forward. 

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