Toshiharu Nakagima

Title: Toshiharu Nakagima: Innovator in Spot Welding Technology

Introduction

Toshiharu Nakagima is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of spot welding technology, particularly through his innovative patent that enhances the quality assessment of spot welds.

Latest Patents

Nakagima holds a patent for a "Method for checking a spot welded portion and spot welding machine." This invention allows for the detection of a decrease in plate thickness at a spot weld during a predetermined time period after the power supply to the electrodes has been terminated. The decrease in thickness is correlated with the diameter of the nugget formed during the welding process. A larger nugget diameter indicates a stronger joint, enabling quality assessment based on the detected decrease in thickness. The invention includes a detector that measures the stroke position of a cylinder pressing the electrodes, allowing for indirect detection of plate thickness without compromising the efficiency of the welding process.

Career Highlights

Throughout his career, Nakagima has worked with prominent companies, including Honda Motor Co., Ltd. and Kabushiki Kaisha Sg. His experience in these organizations has contributed to his expertise in welding technology and innovation.

Collaborations

Some of Nakagima's notable coworkers include Wataru Ichikawa and Yuji Matsuki. Their collaboration has likely fostered an environment of innovation and technological advancement in their respective fields.

Conclusion

Toshiharu Nakagima's contributions to spot welding technology through his patent demonstrate his commitment to improving manufacturing processes. His work continues to influence the industry and enhance the quality of welded joints.