24 spectrum PLASTICS 2010 draw conclusions about the control behavior of the servo hydraulics. Amortization within a year and a half The retro? t reduced the power consumption of the machine from 15 to 6 kW in an observation period of two weeks. The noise level of the servo hydraulics was barely perceptible. Since hydraulic oil is pumped only when required, an oil cooler could be omitted for this application – which meant that even more en

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