The development and research of the green manufacturing technology is relatively important. In order to improve processing efficiency of modern wire cut electric discharge machine (WEDM) and energy saving, a large number of researches and developments of the discharge circuit that is the major and most important technology of wire cutting machine are conducted. Currently, in the most discharge circuits of WEDM adopt the resistor for current-limiting which is the energy block when the resistor is used to turn off the discharge current, resulting in a lot of energies that are converted into heat energy from electrical energy, which are mainly generated by resistor. However, these heat energies will cause the increase on temperature in the discharge circuit, which affects the processing efficiency and energy. Thus, some cooling devices should be arranged around the discharge circuit in order to reduce the temperature. This study adopts the WEDM as laboratory equipment to design and improve the discharge circuit, uses the DC-DC and the electronic voltage regulation technology to convert the original energy bled by the resistor directly into the energy required in machining, and then applies the design of non-resistance sparkle circuit to realize the energy-saving effect. The experiment testing the power consumption differences of WEDM shows that the energy can be saved by 10 to 15% performance.
The International Journal of Advanced Manufacturing Technology – Springer Journals
Published: Nov 30, 2017
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