JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY vol.45 no.526 November 2004 ---CONTENTS--- Minor Special Issue on Development and Practical Utilization of Servomechanism Essay On Computer Numerical Control for Deformation Processes Shigeo MATSUBARA 1(867) Explanations 3 Dimensions Digital Control Technology - Present Situation of Dieless NC Forming - Hiroyuki AMINO and Gen RO 2(868) Digital Control Technologies for Servo Motor Driven Press and its Application Examples Yasuhiko OYAMADA and Toshiharu SUGANUMA 7(873) Application of Servo System in Recent Press Machines Hiroyuki ANDO 11(877) Development Passage of Servo Press and Introduction of Servo Press for Each Purpose Hiroyuki AMINO and Gen RO 16(882) Explanation High-performance Light Metals Formed by Rotary-Die ECAP Akira WATAZU, Aibin MA and Naobumi SAITO 21(887) Lecture Recent Development of Tailor Welded Blank Takashi SUGIYAMA 26(892) Papers Development of a Semicontinuous Four-stage Equal Channel Angular Extrusion Method Munenori ONO, Hirohito MIZUFUNE and Mitsuru NARITA 31(897) Forming of Flanges of Rim and Reduction in Wall Thickness of Rim in One-Piece Press Forming of Automobile Steel Wheels Yohei ABE, Seijiro MAKI and Ken-ichiro MORI 36(902) Effects of Different Types of Die Wall on Compacted Metal Powders Yoshimi SUGAYA, Yoshinobu MOTOHASHI and Takeshi OBA 41(907) Evaluation of Compressibility and Ejection Force Using a Tapered Die - Effects of Different Types of Die Wall on Compacted Metal Powders II - Yoshimi SUGAYA, Yoshinobu MOTOHASHI and Takeshi OBA 46(912) Piercing of Cylindrical Billet with Back Pressure Saburo NISHIYAMA, Susumu TAKAHASHI, Ryo MATSUMOTO, Yosuke MIYASHITA, Masanori SHIOMI and Kozo OSAKADA 51(917) Deep-Drawing of Pure Titanium Sheets Using Hard-Carbon-Coated Tool Nobuhiro KOGA and Zhiguo LIU 56(992) Square Cup Deep Drawing of Pierced Blank Hideo OGAWA and Youhei KATSUTA 61(927) Copyright (C)1997-2004 JSTP. All Rights Reserved.