Branch Hydraulic Systems mixes it up with Winkworth (Oct 2010)
Branch Hydraulic Systems, a division of Group HES, has recently designed and supplied two hydraulic drive systems for UK industrial mixer manufacturer Winkworth for use in the waste and energetic materials sectors. With an in-house design and engineering team, headed up by technical director, Alex Tatlow, the division was able to offer Winkworth a bespoke power solution.
With the first drive system being specified for a 450 litre twin blade waste and recycling mixer/extruder, it was imperative that it could offer increased power and efficiency, thus improving the rates of productivity and mixing. In replacing the existing dated and underpowered unit Winkworth was able to benefit from a total power supply of 66kW – through a combination of three 22kW motors, thus meeting the tough requirements of the process.
To ensure optimum performance, Branch specified a Comer planetary gearbox from its sister division, Tractec. The gearbox was then integrated with a hydraulic power unit that incorporated Parker load sensed, constant horsepower piston pumps and Sauer Danfoss proportional valves, to control both speed and torque. Working with approved fabrication and electrical control specialists to complete the design process, the Branch team then began the complex task of building the drive system, working out of their workshop at the Group HES head office in Gloucester.
By designing and specifying the parts for both drive systems, Branch was able to deliver the two systems within four weeks of one another. The second unit is more compact, offering an 11kW power supply driving a single Comer foot mounted planetary gearbox. Again, to optimise performance, the hydraulic power unit incorporated a Parker load-sensed, constant horsepower piston pump and a Duplomatic proportional valve.
[pic caption] The Winkworth MZ75 is powered by an 11kW hydraulic drive system designed and built by Branch Hydraulic Systems.
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