A hybrid drive is a combination of a drive using different technologies. We all know that isn't a new concept. It is in the mobile drum-screen machines of NUT, however.
Recognising the spirit of the time.
WWolfgang Brouwer, business unit manager at Neuenhauser Umwelttechnik, explains: "Neuenhauser has always relied on further development and new innovations. Clients often approach us with new ideas. We try to put them into practice and make them part of the serial machines. Some ideas may sound a bit eccentric at first but turn out perfectly reasonable on second glance".
The first hybrid-powered drum-screen machine on a chain chassis frame recently went into operation in Finland.
The main drive is a power generator. The machine can alternatively be connected to the main power grid with a 125 A cable. The electricity produced powers a 55-kilowatt electro motor that in turn is combined with a hydraulic pump. From there, the oil flows into the individual machine drives.
"At first glance, this may sound a bit redundant. It isn't, however. It even has some clear benefits as compared to a strictly electrical drive," Harri Sorvoja, Neuenhauser sales partner, explains. "The option of operating the machine on the mains is known to reduce operating costs by a great margin. The hydraulic drive makes servicing easier for the customer. He usually doesn't even need any help with it. Immediate troubleshooting is possible as well, similar to the situation with wheel loaders or material handling machines. The process is easy. You don't need a trained electrician for it. Hydraulic drives remain popular in mobile technology. They are 'monkey proofed', highly robust and extremely resilient to faults."
"I have been working with Neuenhauser for more than a decade. I am happy to have such a flexible partner. The employees listen and always try to put customer wishes into practice. This way, I can offer my own customers what is best for their processes. The motto of …together we make the difference! is more than just some words. The team at Neuenhauser practice what they preach," Sorvoja continues.
The hybrid drive is available for the tracked version with a small 5 m³ hopper and for the trailer-pulled machines.
Result: Saving operating costs at high operating safety is easy with the hybrid drives of the drum-screen machines by Neuenhauser Umwelttechnik..
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