Energy Management

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    Energy-efficient Drives for Rubber Injection Moulding Machines

    About one third of the energy consumption of the rubber injection moulding machines is caused by the drive. The MAPLAN drive unit Cool Drive II, which is based on constant-volume pumps with a servo motor drive, allows adjustment of pump activity and hence the power required for the actual speed. The drive can thus save energy of as much as a sensational 70% because of the process-based cycle breaks of hydraulic consumption. Furthermore, there is a significantly lower energy input into the hydraulic oil, therefore changing oil is less often and oil coolant is not needed. This leads to a reduction of water consumption, and hence a further reduction of the total energy demands.

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    DCI - Intelligent Tempering Device

    The tempering device for the injection unit and the tools or cold runners induce about 20% of the total energy consumption of the rubber injection moulding machine. Therefore, energy consumption is to account for mainly the built-in pumping device of the tempering device. By means of an intelligent, demand-based control of power flow, energy consumption of the tempering device is reduced by up to 80% while regulation performance is improved significantly.

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