Leaders In Double Disc Technology

1. “Development of TiNi Shape Memory Alloy with Functionally Graded Property of Shape Recovery Temperature,” Dr. Ryosuke Matsui, associate professor, Aichi Institute of Technology

2. “A Prototype Molding of a Hollow Coil Spring Made of Maraging Steel with a 3D Printer,” Konatsu Takasaki, Utsunomiya University.

3. “Large Deformation Analysis of Offset Beam with Fixed Supports under Compressed Forces,” Dr. Atsumi Ohtsuki, professor, Meijo University.

4. “Quasi-Optimal Design of a ParallelType Double-Mass Dynamic Vibration Absorber Equipped with a Damped Primary System,” Dr. Toshihiko Asami, professor, University of Hyogo.

5. “Fatigue Life Evaluation Method for Spring Materials Under Non-Proportional Loading,” Dr. He Lei, research associate, Ritsumeikan University

6. “Effect of Low Temperature Annealing on Athermal Stress Component in Stainless Steel Strip for Springs,” Dr. Takayuki Koizumi, professor, National Institute of Technology, Tokyo College

7. “Report from the Committee of Fractography for Springs,” Dr. Kenta Yamagiwa, National Institute of Occupational Safety and Health, Japan.

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A special topic lecture, “Standardization Activities of the Japan Spring Manufacturers Association,” Shigeo Aoba, president, Togo Seisakusyo Corporation and Junichi Yano, NHK Spring Co., Ltd.

Seven technical posters were displayed in another hall. A brief explanation was given by a representative for each of the posters on the speaker’s platform for the lecture meeting, followed by a questionand-answer-session at the posters. The top two posters were selected based on the participants’ voting.

The first-place poster, “Evaluation of In-Plane Anisotropy on a Thermal Stress Component in Strip for Springs,” was awarded to Momoka Kurita, National Institute of Technology, Tokyo College et al.

The second-place poster, “Improvement of Corrosion Fatigue Property for TiNi Shape Memory Alloy by Combination of Ultrasonic Shot Peening and Mechanical Polishing,” was awarded to Tatsuki Matsuda, Aichi Institute of Technology, et al.

The JSSE awarding ceremony was held prior to the afternoon session of the lecture meeting. For 2020, the Ronbun-prize, among papers submitted to JSSE, “Effects of Small Surface Defect on Fatigue Limit of Spring Steel,” was awarded to Takehiro Ishii, Dr. Koji Takahashi, Yokohama National University and Dr. Hideki Okada, NHK Spring Co., Ltd.

The Gijutu-prizes, (among other papers or articles) were presented to:

1) “Influence of Low Temperature

Annealing in Uniaxial Mechanical Properties of Cold Rolled Stainless Steel Strip for Springs,” Dr. Takayuki Koizumi, Polytechnic University (at that time) and now of National Institute of Technology, Tokyo College.

2) “Improvement of Fatigue Properties and Making Surface Defect Harmless for High Strength Steel by Ultrasonic Shot Peening,” Dr. Koji Takahashi, Yokohama National University and Dr. Hideki Okada, NHK Spring Co., Ltd.

Koseki-prizes, (among honorable achievements), were presented to Shuzo Ichi, Togo Seisakusyo Corporation, and Dr. Yoshiyuki Furuya, National Institute for Materials Science

For 2021–2022, the following awards were presented in the following categories.

The Ronbun-prize, among papers submitted to JSSE, included: 1) “Effect of The Microstructure on Strength Properties of the Duplex Stainless Steel Wire After Cold Drawing and Aging,” Shota Yamasaki and Koji Takano, Nippon Steel & Sumikin Stainless Steel Corporation. 2)“Analysis of Peculiar Fatigue Fracture Behavior of Shot Peened Steels

Focusing on Threshold Stress Intensity Factor Range,” Dr. Kotoji Andou, Dr. Koji Takahashi, and Takehiro Ishii of Yokohama National University and Dr. Ki Woo Nam and Min Heon Kim of Pukyong National University

Gijutu-prizes, among other papers or articles, were presented to: 1) “Influence of Iron Carbide on Mechanical Properties in High Silicon-added Mediumcarbon Martensitic Steels,” Dr. Shinya Teramoto, Dr. Yutaka Neishi, and Dr. Takahisa Suzuki of Nippon Steel Corporation and Yuki Masuda, Toshinori Ishida, and Masato Ohnuma of Hokkaido University. 2) “Development Of Copper-Coated High-Strength Electrical Wire,” Kenta Matsuoka, Akihito Hoshima, Hiromu Izumida, and Mitsuhiro Kimura of Sumitomo Electric Industries, Ltd.

Koseki-prizes (among honorable achievements) were presented to: Haruhiko Shiba, FEC Chain Corporation, Dr. Hideki Okada, NHK Spring Co., Ltd., Atsushi Sugimoto, Aichi Steel Corporation, Takeshi Ishidzuka, Tokaibane MFG. Co., Ltd., Takayuki Akashi, Murata Spring Co., Ltd., and Kazuhide Isogai, JSSE.

A reception was held after the closing speech delivered by Dr. Masao Hayakawa, JSSE president and chairman of the researcher of National Institute for Materials Science, in another hall. Toshihiro Tachikawa, vice-chairperson of JSSE and managing executive officer of NHK Spring Co., Ltd. made an opening speech. This was followed by the guest speech by Shigeo Aiba, president of Togo Seisakusyo Corporation

Dr. Katsuji Tosha, honorary member of JSSE, made a toast to the development of the spring industry and the participants’ good health. This was followed by the guest speeches delivered by the winners of the prizes.

After plenty of mingling and exchanging of information, the reception was over with “iccho-jime,” a vibration consists of a single clap in unison led by Hiromichi Ooga, councilor of JSSE and managing executive officer of Suncall Corporation

Messe Düsseldorf recently announced several updates. wire China, the leading regional trade fair for the wire and cable sector, will be held from Sept. 4-7, 2023, in Shanghai. On display will be machinery and equipment for wire manufacturing and processing as well as wire and cable products.

Conferences and workshops will complement the trade fair which has been jointly organized by Messe Düsseldorf Shanghai and the Shanghai Electric Cable Research Institute since 2004.

For further information on visiting or exhibiting at wire China 2023, visit www.wirechina.net.

Messe Düsseldorf recently announced that online exhibitor registration for wire and Tube, the world’s leading trade fairs for the wire, cable and tube and pipe industries, is now available at www.wire. de/2330 and www.tube.de/2330. For the first time, early-bird discounts will be offered. The official registration deadline is June 1, 2023. wire and Tube will be held from April 15-19, 2024, at the fairgrounds in Düsseldorf, Germany.

At the last staging of wire and Tube in 2022, 1,822 exhibitors from 50 countries presented their products on about 93,000 square meters of exhibit space.

For further information about wire and Tube 2024, visit www.wire-tradefair. com or www.tube-tradefair.com.

Messe Düsseldorf has also announced that new trade fairs wire Eurasia and Tube Eurasia will be held in Istanbul for the first time, May 24-27, 2023. wire and Tube Eurasia will initially take place as an investment business venture during the two Turkish trade fairs Wire Tech Istanbul and Tube + Steel Istanbul. These two events are organized by Tüyap Fair Istanbul, Turkey’s leading trade fair organizer and venue operator, at the Tüyap Fair Convention and Congress Center Starting in 2025, wire and Tube Eurasia will then be held every two years as independent trade fairs. Visit www.wire-eurasia.com or www.tube-eurasia.com.