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Advanced Engineering 2020

NEC, Birmingham(B40 1NT)

04/11/2020 - 05/11/2020

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

Drives & Controls Exhibition

NEC, Birmingham(B40 1NT)

25/01/2021 - 27/01/2021

The show brings together key suppliers of state-of-the-art equipment representing the multi-tasking culture (more)

Steering pump problems solved

Steering pump problems solved Large off-highway vehicles are very dependent on hydraulic power in particular, without it they are impossible to steer. To ensure that steering control can be maintained even if the main hydraulic power pack fails while the vehicle is in motion, an auxiliary pump, driven from the wheels, is fitted to provide a source of emergency hydraulic power for the steering systems. The requirements of such a pump are deceptively simple. And when engineers at Terex Equipment, one of the UK's leading developers and manufacturers of off-highway earth-moving equipment, tried to source a suitable pump for the company's new dump truck ranges, they found it presented a considerable challenge. A major complication was that the pump had to operate correctly irrespective of whether the vehicle was moving forward or backward. There was also very limited space on the vehicle to accommodate the pump. Finally, Terex wanted a solution based, as far as possible, on standard off-the-shelf components to avoid future delivery and availability problems. The solution developed by Bosch Rexroth comprises a pump from the company's standard range, used in conjunction with a rectifier block, which ensures that the pump itself receives a uni-directional drive, irrespective of the direction of motion of the vehicle.

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