Jiro Hasai

Title: Innovations by Jiro Hasai: Advancements in Rolling Mill Technology

Introduction

Jiro Hasai, an accomplished inventor based in Hiroshima, Japan, has made significant contributions to the field of rolling mill technology. With a total of three patents to his name, Hasai's work focuses on improving the precision and efficiency of rolling processes in manufacturing. His latest inventions showcase cutting-edge methods that enhance the productivity of rolling mills.

Latest Patents

Hasai's most recent patents include a groundbreaking device for rolling mills and a method for adjusting the rolling mill. His innovations involve the incorporation of both work-side and drive-side position measurement devices. These devices enable the direct measurement of roll chock positions in the rolling direction and facilitate the precise adjustment of upper and lower working rolls, as well as upper and lower backup rolls. This ensures that these elements can be set to a zero point or predetermined positions.

Moreover, Hasai's inventions address the challenges posed by subtle deviations in the axis alignment of working rolls and backup rolls, calculating changes in strip wedge to maintain optimal thickness distribution. By adjusting the leveling of the work-side and drive-side rolling reduction cylinder devices, he ensures that the strip edge remains equal to or smaller than a predetermined value. This allows for effective compensation of bilateral asymmetry in rolled materials, thus enhancing the quality and uniformity of products despite the natural wear and changes occurring in the rolling mill components.

Career Highlights

Jiro Hasai is currently associated with Primetals Technologies Japan, Ltd., a pioneering company in the field of metallurgical technology. His role as an inventor has allowed him to engage in research and development that directly impacts the manufacturing sector.

Collaborations

Throughout his career, Hasai has collaborated with notable colleagues, including Hideaki Furumoto and Shinya Kanemori, furthering the development of innovative technologies in the rolling mill industry. Their collective expertise has contributed to advancements that are pivotal for manufacturers in achieving higher efficiency and performance standards.

Conclusion

Jiro Hasai exemplifies the spirit of innovation in industrial technology. His contributions to rolling mill technology not only demonstrate his inventiveness but also reflect the potential for ongoing advancements in manufacturing processes. As he continues to develop solutions that address industry challenges, Hasai remains a prominent figure in the evolution of metallurgical engineering.