Kuniharu Yamada

Title: Kuniharu Yamada: Innovator in Electric Discharge Machining

Introduction

Kuniharu Yamada is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electric discharge machining, holding a total of seven patents. His innovative work has advanced the technology used in machining processes, making them more efficient and effective.

Latest Patents

Yamada's latest patents include an electric discharge machine that features a DC power supply, a main switching element, a polarity switching circuit, a pulse generator, a detector, and a discharge controller. This machine is designed to supply current to a machining gap, with the pulse generator switching the main switching element and one of the polarity switching elements at a predetermined frequency. The detector plays a crucial role in monitoring the interpolar voltage in the machining gap. Additionally, the discharge controller utilizes a storage system to keep track of coefficients that indicate the removal quantity per discharge count for various operation patterns.

Another notable patent is the wire electric discharge machining method and apparatus, which automatically adjusts machining conditions based on the plate thickness. This innovation allows for effective machining even when there are differences in level during the machining process. The XY-plane of the workpiece stand is divided into small regions, enabling the detection and storage of plate thickness information associated with these regions. This ensures that machining conditions can be adapted in real-time based on the current position and thickness of the workpiece.

Career Highlights

Kuniharu Yamada has built a successful career at Sodick Co., Ltd., where he has been instrumental in developing advanced machining technologies. His expertise in electric discharge machining has positioned him as a key figure in the industry, contributing to the company's reputation for innovation and quality.

Collaborations

Yamada has collaborated with notable colleagues such as Tomoyuki Yanagisawa and Yuji Kaneko. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in machining.

Conclusion

Kuniharu Yamada's contributions to electric discharge machining have significantly impacted the industry. His innovative patents and collaborative efforts continue to drive advancements in machining technology.