JSSE holds Spring Lecture Meeting and General Meeting
June. 15, 2017
The Japan Society of Spring Engineers (JSSE) held its semiannual Lecture Meeting, including aposter session, and Annual General Meeting at Meiji University in Tokyo on June 15.

Lecture Meeting
Nine general lectures and one special topic lecture
were presented to 158 attendees in a hall on theTokyo Surugadai Campus. The opening speech waspresented by Dr. Masao Hayakawa, a
vice-chairperson of JSSE in charge of research
activities and a head researcher of National
Institute of Materials Science.

7.

Theoretical method of determining Location
parameter in Weibull’s distribution, by
Masakazu Tajima of Hayamizu Hatsujo Co.,Ltd.
8. Measuring method of residual stress in actual
production line – shot peening process -, by
Kan Aoki of Sintokogio, Ltd.,
9. In-situ observation of pitting corrosion behaviorontemperedmartensiticsteel
bymicroelectrochemical system by Makoto
Kawamori of Kobe Steel, Ltd.

Dr. Hayakawa

Titles of General Lectures and Presenters
1. Estimated Photo
Hydrogenin spring steelof Dr. uptake
Hayakawa
from usage environment
andinterpretationof早川副会長の写真
diffusible hydrogen amount measured byThermal Desorption Gas Chromatographspectroscopy, by Yasuhide Ishiguro of JFE SteelCorporation.
2. State of hydrogen in V-alloyed high strength
steel, by Yutaka Tsuchida of Daido University.
3. Development of COWALOY® for high temperaturesprings, by Yoshinori Sumi of Daido Steel Co., Ltd．
4.
Effects of Wire Anisotropy on StressDistribution in Tension Coil Springs and their
Deformation Behavior, by Yuji Nakasone ofTokyo University of Science.
5. Application of Flexible spring characteristics tosport engineering (Pole vaulting) by Atsumi
Ohtsuki of Meijo University.
6. Analytical solution for Noncontact type spiral
spring, by Takuro Matsumoto of Hayamizu
Hatsujo Co., Ltd.

Special Topic Lecture
Title: Spring used for seismic isolation device andvibration damping device. - Application toPhoto of attendees
TMD as wind 講演会の様子
damper installed in the steel
tower of TOKYO SKYTREELecturer: Mr. Atsushi Kubo of Mitsubishi Heavy
Industries Mechatronics Systems, Ltd.

Mr. Kubo

Photo of Mr. Kubo
1

久保氏の写真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 theposters. The top three posters were selected basedon the participants’ voting.

1) Spring seat grinding machine, SG-7 owned by
Chita Kogyo Co., Ltd.
2) Spring seat grinding machine, VP4/40K owned
by Asahibanekogyo MFG. Co., Ltd.
3) Hollow stabilizer made of electro resistancewelded tube, manufactured by NHK Spring Co.,
Ltd. and Yokohama Kiko Co., Ltd. (currentNippatsu Kiko Co., Ltd.)
4) Disk spring for aseismatic fixing device ofCable-stayed bridge owned by Honshu-Shikoku
Bridge Expressway Co., Ltd.
5) Amsler type compression testing apparatus
owned by Tokaibane MFG. Co., Ltd.

Photo of Q & A Session(1)ポスターセッションの写真
Recipients of the Certificates

Photo of Recipients of the Certificates
機械遺産受賞者の写真
Q & A Session at the Posters

The First Place Poster:Development of shape memory alloy springwith wires of noncircular cross section, by
Photo ofof
Q Meiji& A Session(2)Satoru Manzaki
University.
ポスターセッションの写真
Two Second Place Posters:
FEM Analyses of Stress Intensity Factors forSurface Cracks in Compression and TensionCoil Springs, by Kazunori Muranushi of Tokyo
University of Science.
Influence of laser peening on surface propertiesof silicon nitride ceramics, by Kazuya Saigusa
of Yokohama National University.

Closing Speech by Dr. Nakasone, JSSE Chairperson

Annual General Meeting
The annual general
meeting
was held after thePhoto ofDr. Nakasone
closing speech of thelecture meeting presented by
中曽根会長の写真
Dr. 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 an advisor to Horikiri Inc, on behalf of Mr.
Yoshiharu Sugawara, a director of JSSE and ofHorikiri Inc. During the meeting, six proposals,
2016 Annual Business Report, 2016 Settlement ofBalance Report, 2017 Annual Business Plan, 2017
Budget, Recommendations of Honorary Members
and Re-election of Officers were approved.

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:

2Mr. Kazunori Kai, an honorary member of JSSE,
made a toast to the development of the springindustry and the participants’ health.
Photo of Reception

General Meeting

Reception
A reception was held after the Annual General
Photo of General Meeting
Meeting in a hall in the same campus. Dr.
総会の様子
Motoaki Osawa, a vice-chairperson of JSSE incharge of publication and a professor of Tokyo Denki
University, made the opening speech, followed by
the guest speech by Mr. Kazumi Tamamura, thechairperson of the Japan Spring Manufacturers
Association (JSMA) and the Chairman & Chief
Executive Officer of NHK Spring Co., Ltd.

技術交流会の様子

Mr. Kai

As time passed with active information exchangeand chatting, the reception
was
Photo of Mr.
Kaiover with closing
talk by Mr. Noriyasu 甲斐氏の写真
Kaga, a director of JSSE anda manager, Designing & Engineering Departmentof Mitsubishi Steel MFG. Co., Ltd.

Dr. Osawa

Photo of Dr. Osawa
大澤副会長の写真

Mr. Kaga

Photo of Mr. Kaga

Mr. Tamamura

加賀氏の写真Photo of Mr. Tamamura
玉村会長の写真3