Bonfiglioli has developed a novel electric mixer drive

A key innovation for concrete mixer trucks has been developed by Bonfiglioli, This novel electric drum drive has been developed specially for the new hybrid truck mixer from CIFA, the concrete equipment specialist owned by Chinese manufacturer Zoomlion. Stefano Baldi, worldwide sales manager at Bonfiglioli Trasmital said, “The cement mixer truck market has always been an important one for us, and we have always done our best to offer key account customers superbly reliable, high performance solutions. As th
March 8, 2013 Read time: 2 mins
A key innovation for concrete mixer trucks has been developed by 5073 Bonfiglioli, This novel electric drum drive has been developed specially for the new hybrid truck mixer from 2203 CIFA, the concrete equipment specialist owned by Chinese manufacturer 1175 Zoomlion. Stefano Baldi, worldwide sales manager at Bonfiglioli Trasmital said, “The cement mixer truck market has always been an important one for us, and we have always done our best to offer key account customers superbly reliable, high performance solutions. As the result of a co-engineering project with CIFA-Zoomlion, Bonfiglioli is now launching a hybrid system that will change the future of cement mixer drum rotation. We are extremely proud of this new product because we are convinced that electromobility solutions will play a major role in the future of construction site and quarry machines.

The solution designed by Bonfiglioli in conjunction with CIFA-Zoomlioncomprises a gearbox of Bonfiglioli’s 500 Series coupled to an AC electric motor that provides normal power and a DC electric motor for emergency use. This new solution not only guarantees greater energy efficiency and reduced fuel consumption, but also helps cut cement mixer truck operating costs. Performance is improved too as rotation speed control is more accurate and operating noise levels are significantly lower due to to the electric motor and the helical tooth profile of the high speed gearbox stage. Functionality is higher in the event of a failure: the presence of a second, backup DC motor gives reassuring redundancy and eliminates the risks and potentially hazardous situations caused by failures of the drum emptying system. The new Bonfiglioli solution is designed for use with medium/large mixer trucks that have medium/long delivery distances to travel. Drum rotation speed is between 15 and 22rpm and capacity of 6-14 m3. The gearbox of the new solution has a reduction ratio of 1:220 (1:2200 in emergency mode) and can transmit a maximum torque of 35,000Nm (rated torque of 21,500Nm). The main motor has a power rating of 40kW and is liquid cooled.

Stand: A4.117

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