Der-Shuen Chen

Title: Innovations of Der-Shuen Chen in Electrical Discharge Machining

Introduction

Der-Shuen Chen is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of electrical discharge machining (EDM), holding a total of 3 patents. His work focuses on enhancing the efficiency and control of EDM processes, which are crucial in various manufacturing applications.

Latest Patents

One of his latest patents is titled "Apparatus and method for electrical discharge machining modulation control." This invention includes an EDM module, an open-circuit voltage modulation module, a reference-voltage modulation and judgment module, a database, and a control unit. The control unit selects a reference voltage and an open-circuit voltage based on the characteristics of a workpiece from the database. It generates control signals to modulate the open-circuit voltage and the reference voltage, which are essential for determining ignition during the machining process.

Another significant patent is the "Self-adjusting power device for high efficiency electrical discharge machining and method thereof." This invention features a high-voltage arc unit and a low-voltage discharge unit that provide respective pulses to an electrode. The electrode machines a workpiece and feeds back a gap voltage to a discharge pulse generation unit. This unit determines whether the gap voltage is below a predetermined threshold, allowing for precise control of discharge machining energy and achieving high efficiency in power saving.

Career Highlights

Der-Shuen Chen is affiliated with the Industrial Technology Research Institute, where he continues to innovate in the field of electrical discharge machining. His work has been instrumental in advancing the technology used in manufacturing processes, making them more efficient and effective.

Collaborations

He has collaborated with notable colleagues, including Chao-Chuang Mai and Chin-Hui Chen, contributing to various projects that enhance the capabilities of electrical discharge machining.

Conclusion

Der-Shuen Chen's contributions to electrical discharge machining through his innovative patents demonstrate his commitment to advancing manufacturing technology. His work not only improves efficiency but also sets a foundation for future developments in the field.