JSSE holds Spring Lecture Meeting and General Meeting
Jul. 1, 2016
The Japan Society of Spring Engineers (JSSE) held its semiannual Lecture Meeting, including a
poster session, and Annual General Meeting at Tokyo Denki University in Tokyo on June 9.

Lecture Meeting
Eight general lectures and one special topic
lecture were presented to 165 attendees in a hall on
the Tokyo Senju Campus. The opening speech waspresented by Dr. Hiroyuki Saitoh on behalf of Dr.
Motoaki Osawa, a vice-chairperson of JSSE incharge of publication and a professor of Tokyo Denki
University. Dr. Saitoh is a member of JSSE and acolleague of Dr. Osawa who was absent from theevent to attend the funeral of his father in law.

6. Cold Rolling Effect to Stiffness, by Takuro Aikiof Hayamizu Hatsujo Co., Ltd.
7. Finite Elements for Spiral Springs, by Takuro
Matsumoto of Hayamizu Hatsujo Co., Ltd.
8. Analysis of Nonlinear Large Deformations inJapanese Bows, by Atsumi Ohtsuki of Meijo
University

Special Topic Lecture
Title: Present Status of Aircraft Industry
Lecturer: Mr. Yukio Sawa of Mitsubishi HeavyIndustries, Ltd.

Dr. Saitoh

Titles of General Lectures and Presenters
1. Effect of Silicon, Chromium and Molybdenum
on Resistance to Temper Softening of High
Carbon Martensitic Steel, by Shinya Teramotoof Nippon Steel & Sumitomo Metal Corporation.
2. Hydrogen Entry into High Strength Steels inTribocorrosion Environment, by Kotaro Doi of
National Institute of Materials Science.
3. Development of a Forming Method of Springwith High-rectangle-ratio Cross Section andSmall Spring Diameter , by Takashi Kuboki of
The University of Electro-Communications.
4. Evaluating Compressive Residual Stress Depth
Distribution by Eddy Current, by Yoshiyasu
Makino of Sintokogio, Ltd.
5. Study on Distinction and Extracting Techniquefor Fracture Surface Morphology, by Akira Uenoof Ritsumeikan University.

Mr. Sawa

Poster Session
Six technical posters were displayed in anotherhall on the same campus. A brief explanation wasgiven by a representative for each of the posters on
the speaker’s platform for the lecture meeting,followed by question and answer session at the1posters. The top two posters were selected based on
the participants’ voting.

2) Torsion Bar Spring for Subaru 360 made by NHK
Spring Co., Ltd. (NHK Spring Co., Ltd.)
3) Torsion Machine TC-B2 made by Tokyo Coiling
Machine Manufacturing Co., Ltd. (Miyagawa
Spring Industry Co., Ltd.)
4) Compact Material Testing Machine made by
Fujii Precision Machine Co., Ltd. (K. K. Taga Co.,Ltd.)
5) Multi-forming Machine ZUB-200 made by Teijin
Manufacturing Co., Ltd. (Tokuhatsu-Sankyo Co.,Ltd.)

Recipients of the Certificates

Q & A Session at the Posters

The First Place Poster:
Mechanical Properties and Metallographic
Structure of Duplex Stainless Steel, by Shota
Yamasaki of Nippon Steel & Sumikin StainlessSteel Corporation, et al.
The Second Place Poster:Discovery of Organo-superelasticity, by Satoshi
Takamizawa of Yokohama City University, etal.

Closing Speech by Dr. Nakasone, JSSE Chairperson

Annual General Meeting
The annual general meeting was held after theclosing speech of the lecture meeting presented byDr. Yuji Nakasone, JSSE chairperson and aprofessor of Tokyo University of Science, in a
conference room on the same campus. The meeting
was led by Mr. Hideo Yamamoto, an advisor toJSSE and a vice president of Horikiri Inc. During
the meeting, six proposals, 2015 Annual Business
Report, 2015 Settlement of Balance Report, 2016
Annual Business Plan, 2016 Budget, Amendment
on JSSE Bylaw and Replacement of Trustees, wereapproved.

Presentation Ceremony of Certificates of Spring
Technological Heritage
Five certificates of Spring Technological Heritage
were presented to four spring manufacturers toexpress JSSE’s appreciation for their preservationof springs and machines of historical value. The
awarded springs and machines are as follows:
1) Three-leaves Leaf Spring for the first-generation
Toyota Crown made by NHK Spring Co., Ltd.
(NHK Spring Co., Ltd.)

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General Meeting

Mr. Tamamura

Reception
A reception was held after the Annual General
Meeting in the same hall where the posters weredisplayed.
Dr.
Masao
Hayakawa,avice-chairperson of JSSE in charge of research
activities and a head researcher of National
Institute of Materials Science, made the opening
speech, followed by the guest speech by Mr. Kazumi
Tamamura, the chairperson of the Japan Spring
Manufacturers Association (JSMA) and thepresident of NHK Spring Co., Ltd.

Dr. Katsuji Tosha, a former JSSE chairperson
and an adviser to JSSE, made a toast to thedevelopment of the spring industry and theparticipants’ health.

Dr. Hayakawa
Dr. Tosha

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