Dong-Jou Shien

Title: Innovations by Dong-Jou Shien

Introduction

Dong-Jou Shien is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of machine tools, particularly through his innovative patents. With a total of 2 patents, his work focuses on enhancing the efficiency and functionality of tool-changing mechanisms.

Latest Patents

One of his latest patents is the "Main shaft locating mechanism for change of tool." This invention features a locating seat with an eccentric and a splined shaft equipped with a disk that has an eccentric locating pin. The design allows for high-pressure gas to create a gas pad, reducing friction and ensuring that the main shaft stops rotating before the tool is loosened. This mechanism facilitates a smoother tool-changing operation by clearing cutting chips from the mandrel.

Another significant patent is the "Spindle for vertical-horizontal machine tools." This invention improves the spindle design by incorporating a built-in motor type spindle and a rotating shaft that maintains a 45-degree incline. The spindle can be accurately positioned and switched between vertical and horizontal orientations, enhancing the versatility of machine tools.

Career Highlights

Dong-Jou Shien is associated with the Industrial Technology Research Institute, where he continues to develop innovative solutions in the field of machine tools. His work has been instrumental in advancing technology and improving operational efficiency in various applications.

Collaborations

He has collaborated with notable colleagues such as Chun-Hung Huang and Jinn-Fa Wu, contributing to a dynamic research environment that fosters innovation.

Conclusion

Dong-Jou Shien's contributions to the field of machine tools through his patents demonstrate his commitment to innovation and excellence. His inventions not only enhance tool-changing operations but also pave the way for future advancements in technology.