Essay

On the Origin of Spinning
……Ken-ichi KAWAI　 1（1）

Reviews

Current Status and Production Technology of High-Strength Steel Wire
……Motohiro NAKANO　 4（4）
The Latest Trends of High Strength Sheet Steels with High Press Formability
……Kazuhiro SETO　 9（9）
Process of International Standardization（ISO）
　―International Standardization of“Tensile Testing Method at High Strain Rates”―
……Takayoshi YAGI　14（14）
Material Testing and Modeling for Advancing Accuracy of Sheet Metal Forming Simulations
……Toshihiko KUWABARA　18（18）
Forming of Projection on Sheet Metal Surface
……Kenji HIROTA　25（25）

Lectures

Aluminum Alloy I（Non-Heat-Treatable Aluminum Alloy)
……Akio NIIKURA　30（30）

Reports

Report on the 45th ICFG Plenary Meeting
……Yoshinori YOSHIDA, Ryo MATSUMOTO and Takashi ISHIKAWA　35（35）
Report on 12th Asian Symposium on Precision Forging（ASPF2012）
……Ryo MATSUMOTO, Yoshinori YOSHIDA and Motoki TERANO　37（37）

Interview

Contemporary Master Craftsman Makes Face of Shinkansen with One Hammer
　―Technology of Sheet Metal in Yamashita Kogyosho Co., Ltd.―
……　39（39）
Column for Supporting Members
World Class CNC Form Rolling Machines and Dies
……Nissei Co., Ltd.　46（46）

Papers

Deep Drawing with Ultrasonic Vibration
……Takao YAMAZAKI, Chikara HAYAKAWA, Mitsuru KODAMA and Masahiko JIN　47（47）
FEM Analysis of Billet Surface Flow on Extrusion of Copper Alloy
……Satoshi SHIBATA and Masaya TAKAHASHI　52（52）
Development of a Multiaxial Tube Expansion Testing Machine That Enables the Continuous Measurement of Large-Strain Biaxial Stress-Strain Curves of Sheet Metals
……Fuminori SUGAWARA and Toshihiko KUWABARA　57（57）
Shaping of Internal Helical Gear by Two-Step Cold Extrusion
……Hajime YOSHIDA, Yozo SAWAKI, Yoshihisa SAKAIDA, Tamotsu NAKAMURA, Kunio HAYAKAWA and Tadashi SUZUKI　64（64）
Cold Extrusion of Spur Gear with Inner Spline
……Hajime YOSHIDA, Yoshihisa SAKAIDA, Yozo SAWAKI, Tamotsu NAKAMURA, Kunio HAYAKAWA and Akira ISOGAI　69（69）