JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY
vol.55 no.638 March 2014
---CONTENTS---
Special Issue on Thorough Review of Recent Shear Forming Technology
Essay
Expectations on Progress of Shearing Technology……Isamu AOKI 1（165）
Reviews
State of the Art in Fine Blanking Technology……Takashi KIMURA 2（166）
Blanking and Piercing of High-strength Steel Sheets
……Masao MURAKAWA 6（170）
Fine Blanking by High-accuracy Press Machine
……Takaaki IMURA 11（175）
Precision Shearing by PW Punch and PW Die
……Hiroya MURAKAMI 16（180）
Precision Blanking with Negative Clearance
……Kenji HIROTA 21（185）
Shearing Process in Hot Stamping of Ultra-high Strength Steel Parts
……Ken-ichiro MORI 26（190）
Simulation of Shearing Process
……Toru TANAKA, Seiya HAGIHARA and Takanobu MORI 31（195）
Precautions by Material Improvement of Tool Damage from Shearing Process
……Mikito SUZUKI 36（200）
Application of Surface Coatings to Shearing Tools
……Yoshinari TSUCHIYA 40（204）
Lubricants for Shearing Process……Shigeki KIMURA 45（209）
Several Types of Shearing Machine Structure and Its Performance Consideration
……Toshio WATANABE 50（214）
Lounge
360° of Background Fine Blanking was Prevalent in Japan……Kazuo HAYASHI 55（219）
Reports
Report on Open Lab. 2013 in Tokyo-Minami Kanto Branch of JSTP……Tsuyoshi FURUSHIMA 58（222）
Papers
Deformation of Material in Punching of Slanted Fine Hole in SUS304 Sheets with Fine-grained Microstructure……Masahito KATOH, Tomomi SHIRATORI, Yohei SUZUKI, Shizuka NAKANO and Takafumi KOMATSU 59（223）
Effect of Punch Wear on Fatigue Strength of Pierced High-Strength Steel Sheets
……Takashi MATSUNO, Atsushi SETO, Masayoshi SUEHIRO and Yoshinori YOSHIDA 64（228）
Simplification of Burr-Free Blanking Process in Progressive Die System
……Kenji HIROTA, Takashi IDERA, Yasuaki TAKEUCHI and Hiroya HASHIGUCHI 69（233）
Effect of Ductility on Success Conditions and Cut-Edge Quality in Burr-Free Blanking
……Kenji HIROTA, Kosuke INATOMI, Yasuaki TAKEUCHI and Hiroya HASHIGUCHI 74（238）
Properties of Sheared Surface in Blanking of Steel Plates by PW Dies
……Hiroya MURAKAMI, Yusuke FUJII and Hisanobu KANAMARU 79（243）
Relationship between Protrusion Height and Stretch Flange Ability in Case of Tensioned Piercing Using Protrusion Punch
（Improvement of Stretch Flange-Ability by Piercing with Protrusion Punch）
……Yuzo TAKAHASHI, Osamu KAWANO and Kohsaku USHIODA 84（248）
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