JSSE holds Spring Lecture Meeting and General Meeting
June. 5, 2018
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 5.
Lecture Meeting
Eight general lectures and one special topic
lecture were presented to 146 attendees in a hall on
the Tokyo Surugadai Campus. The opening speech
was presented by Mr. Haruhiko Shiba, aVice-Chairperson of JSSE in charge of research
activities and a Managing Officer Member of theBoard of Chuo Spring Co., Ltd..

urethane foam, by Mr. Shinji Uehara of NHK
Spring Co., Ltd.
6.
The effect of carbide precipitation onmechanical properties of tempered martensitic
Si-added high carbon steels, by Mr. Takahisa
Suzuki of Nippon Steel & Sumitomo MetalCorporation.
7.
Micro region Mechanical characterization
approachto tissue changes inthetime-dependent, by Dr. Nobuo Nagashima ofNational Institute for Materials Science.
8. Observation of rolling contact fatigue cracks byusing synchrotron radiation micro-computed
tomography imaging, by Mr. Yutaka Neishi ofNippon Steel & Sumitomo Metal Corporation.

Mr. Shiba

Titles of General Lectures and Presenters
1.
Stress Intensity Factors for Semi-elliptic
Surface Cracks in Tension Coil Springs with
Orthotropic Anisotropy and Those withCylindrical Anisotropy, by Dr. Yuji Nakasone ofTokyo University of Science.
2. Report on High-Temperature Spring Set ofCompact Compression Springs, by Dr. Kazuhiro
Kawasaki of Neturen Co.,Ltd., Mr. Takayuki
Okamoto of Chuo Spring Co., Ltd. and Mr.
Fuminori Okada of Sumitomo Electric Industries,
Ltd., Research Committee on High-Temperature
Spring Set of Compression Coil Springs of JSSE.
3. Elastoplastic Deformation Behavior in theSurface of Austenitic Stainless Steel by Peening,
by Mr. Ryo Ishibashi of Hitachi, Ltd.
4. Nonlinear Analysis on Advanced Restoring
Spring Characteristics (Large Deformation ofFishing Rods), by Dr. Atsumi Ohtsuki of Meijo
University.
5.
The thinner type suspension seat forcommercial vehicles using high performance

Special Topic Lecture
Title: Development of the Endoscope, - Innovationon the cancer treatment for Digestive Organ Lecturer:
Mr. Yoshitake Saito of Olympus
Corporation.

Mr. Saito

1Poster Session
Five technical posters were displayed in the samehall. A brief explanation was given by arepresentative for each of the posters on thespeaker’s platform for the lecture meeting, followedby question and answer session at the posters. The
top two posters were selected based on theparticipants’ voting.

3)

Electric Powered C-Type Press, TP-25
manufactured by Amada Co., Ltd. owned by
Taga Manufacturing Co., Ltd.
4) Traditional Gun, owned by Sakai Gun StudyGroup.

Oriental Lock

TSF-8000

TP-25

Traditional Gun

Q & A Session at the Posters

The First Place Poster:
Influence of surface defects on fatigue strengthof nitrided steel, by Mr. Jun Konya ofYokohama National University, et al.
Second Place Posters:
Application of the COSα, cosine alpha, methodto spring steel, by Mr. Tomohiro Yamazaki ofMitsubishi Steel MFG. Co., Ltd., et al.

Recipients of the Certificates

Presentation Ceremony of Certificates of Spring
Technological Heritage
Four certificates of Spring Technological Heritage
were presented to four parties to express JSSE’s
appreciation for their preservation of springs andmachines of historical value. The awarded springsand machines are as follows:
1) Oriental Lock (30 pieces), owned by Gallery Keyand Lock.
2) Wire Forming Machine, TSF-8000 owned byTaihei Seisakusho.

Dr. Nakasone

2Annual General Meeting
The annual general meeting was held after theclosing speech of the lecture meeting presented byDr. Yuji Nakasone, JSSE Chairperson and a
Professor of Tokyo University of Science, in a
conference room on the same campus. The meeting
was led by Mr. Yoshiharu Sugawara, a Director ofJSSE and a Technical Director and Sales
Procurement Director of Horikiri Inc. During themeeting, six proposals, 2017 Annual Business
Report, 2017 Settlement of Balance Report, 2018
AnnualBusinessPlan,
2018
Budget,Recommendations of Honorary Members andRe-election of Officers were approved.

Dr. Katsuji Tosha, an Honorary Member of JSSE,
made a toast to the development of the springindustry and the participants’ health.

General Meeting

Dr. Tosha

Reception
A reception was held after the Annual General
Meeting in a hall in the same campus. Dr.
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, a Chairperson of the Japan Spring
Manufacturers Association (JSMA) and aChairman & Chief Executive Officer of NHK SpringCo., Ltd.

As time passed with active information exchange
and chatting, the reception was over with closing
talk by Mr. Noriyasu Kaga, a Director of JSSE
and a Manager, Designing & Engineering
Department of Mitsubishi Steel MFG. Co., Ltd.

Mr. Tamamura

Mr. Kaga

Dr. Osawa3