Torque-based machining optimization
Brief description
The research project applied for here aims to investigate ways of reducing the amount of electrical energy required per workpiece removed. Research conducted as part of the currently funded research project "Assistance system for the energy-efficient operation of machine tools" has identified great potential for reducing production times by optimizing machining parameters.
Due to the large number of auxiliary units, a large part of the energy consumption of a machine tool already takes place in the ready-to-operate state, without any added value, i.e. material removal from the product to be manufactured. Optimized processes make it possible to achieve shorter machine running times overall and thus major energy savings. The aim of this project is therefore to develop a process for providing absolute torque data based on existing drive currents in order to increase the energy efficiency of manufactured components. Until now, these drive currents have only been used by the Governance of each machine tool for position control and to detect overloads. The currents recorded within the machine can be converted into available torques within the control system. However, due to the relative reference used to date, it is not possible to directly compare different machines and drive systems. By means of a calibration device to be developed and an associated calculation method, existing differences in the parameterization of the drives of different machines are to be taken into account.