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International Journal of Automation Technology

  • ISSN : 1881-7629(Print) / 1883-8022(Online)
  • Editor-in-Chief :Yoshimi Takeuchi (Chubu University)
  • Deputy Editor-in-Chief :Mamoru Mitsuishi (The University of Tokyo.)

open access

IJAT Vol.6 No.4 Jul. 2012

Special Issue on Sustainable Design for Hydraulic Systems
Guest Editor: Yutaka Tanaka (Hosei University, Japan)
Editor: Hiroshi Yoshinada (Komatsu Ltd., Japan)
Special Issue on Die and Mold Technology
Editors: Masahiro Anzai (Shibaura Institute of Technology, Japan)

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IJAT Vol.6 No.4 Jul. 2012

Editorial:
Special Issue on Sustainable Design for Hydraulic Systems
Yutaka Tanaka and Hiroshi Yoshinada, p. 409

Given the high human impact on the environment, whether intentional or not, the world now faces a situation in which industrial development cannot proceed further without harmony among human beings and the environment.

Hydraulic technologies have matured in the last decade and new technologies have emerged related to information technology, energy saving, mechatronics, and water hydraulics.

It is our view that innovations in hydraulic technology involving sustainable design for hydraulic systems are essential for sustainably developing fluid power technology.

One reason for this special issue on Sustainable Design for Hydraulic Systems is to encourage incremental breakthroughs in research based upon existing foundations. Another reason is to expand coordination and cooperation among academic and industrial researchers and institutions to realize these innovations.

This special issue covers recent developments in hydraulic technologies, including water hydraulics and functional fluids, basic research, applications and case studies. State-of-the-art papers on hydraulic systems and components place special emphasis on industrial applications and their engineering background. All of the papers in this special issue are of great interest and value in sustainably designing fluid power systems, and we are sure that these papers will contribute much to the further development of fluid power technology.

We sincerely thank the authors for their submissions and the reviewers for their invaluable efforts, without which this special issue would not have been possible. We are most grateful to all who have contributed their time and effort to ensuring the success of this special issue.

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Papers

Paper:
Development of Oil Hydraulic Components Using a Flow Visualization Technique
Tetsuhiro Tsukiji, Eishin Noguchi, and Futoshi Yoshida, pp. 410-417
Abstract | Preview | Full-text (PDF 1577KB)
Paper:
Optimization of Bubble Eliminator Through Numerical and Experimental Investigation
Sayako Sakama, Yutaka Tanaka, and Ryushi Suzuki, pp. 418-425
Abstract | Preview | Full-text (PDF 2117KB)
Paper:
Using Intermittently Operated Oil Hydraulic Pump Unit with Accumulator to Save Energy
Ken Sugimura and Katsumasa Suzuki, pp. 426-433
Abstract | Preview | Full-text (PDF 3131KB)
Paper:
Numerical Simulation of a Slipper Model for Swash Plate Type Axial Piston Pumps and Motors:
Effects of Concave and Convex Surface Geometry
Toshiharu Kazama and Yukihito Narita, pp. 434-439
Abstract | Preview | Full-text (PDF 493KB)
Paper:
Using a Kalman Filter to Estimate Unsteady Flow
Kazushi Sanada, pp. 440-444
Abstract | Preview | Full-text (PDF 3616KB)

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Paper:
Application of Electro-Hydraulic Servo Systems to Hot Strip Down Coilers
Hiroaki Kuwano and Shinichi Yokota, pp. 445-449
Abstract | Preview | Full-text (PDF 782KB)
Paper:
Development of Cam-Drive Type Proportional Valve for Water Hydraulics
Kenji Suzuki, Sho Akazawa, and Yohichi Nakao, pp. 450-456
Abstract | Preview | Full-text (PDF 1064KB)
Paper:
Analysis of Velocity Control Performance and Energy Recovery Efficiency of Water Hydraulic Fluid Switching Transmission
Pham Ngoc Pha, Kazuhisa Ito, Wataru Kobayashi, and Shigeru Ikeo, pp. 457-467
Abstract | Preview | Full-text (PDF 1518KB)
Paper:
An ER Microactuator with Built-in Pump and Valve
Kazuhiro Yoshida, Tomohisa Muto, Joon-Wan Kim, and Shinichi Yokota, pp. 468-475
Abstract | Preview | Full-text (PDF 1113KB)
Paper:
Concept of a Focus-Tunable ECF Microlens and Fabrication of a Large Model Prototype
Joon-Wan Kim, Takashi Yoshimoto, Shinichi Yokota, and Kazuya Edamura, pp. 476-481
Abstract | Preview | Full-text (PDF 1150KB)

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Technical Papers

Technical Paper:
A Method of Designing and Fabricating Mckibben Muscles Driven by 7 MPa Hydraulics
Kazuhiro Iwata, Koichi Suzumori, and Shuichi Wakimoto, pp. 482-487
Abstract | Preview | Full-text (PDF 772KB)
Technical Paper:
Bubble Elimination from Working Oil for Environmentally Friendly Hydraulic System Design
Yutaka Tanaka, Sayako Sakama, and Ryushi Suzuki, pp. 488-493
Abstract | Preview | Full-text (PDF 670KB)
Technical Paper:
Flow Analysis in Pipe of a Manifold Block
Osamu Abe, Tetsuhiro Tsukiji, Takeshi Hara, and Kazutoshi Yasunaga, pp. 494-501
Abstract | Preview | Full-text (PDF 2562KB)
Technical Paper:
Proposal of a Mechanism to Restrict Pressure Change by Oil Temperature Change
Yasuo Sakurai, Takayuki Suzuki, Kenichi Aiba, Takamasa Yoshinari, Kiyotaka Kawashima, and Kazuyuki Kihara, pp. 502-508
Abstract | Preview | Full-text (PDF 431KB)
Technical Paper:
3D Tube Forming and Applications of a New Bending Machine with Hydraulic Parallel Kinematics
Hiroyuki Goto, Yutaka Tanaka, and Ken Ichiryu, pp. 509-515
Abstract | Preview | Full-text (PDF 920KB)

Development Report

Development Report:
Development of Hybrid Hydraulic Excavators
Hiroaki Inoue and Hiroshi Yoshida, pp. 516-520
Abstract | Preview | Full-text (PDF 860KB)

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Editorial:
Special Issue on Die and Mold Technology
Masahiro Anzai, p. 521

Such mass-produced items as cars, consumer electronics equipment, precision instruments, office supplies, and daily necessities are inevitably connected to dies and molds – basic manufacturing technology whose quality determines product quality. The difficulties of die and mold production lie in the complexity of the structures and their requirements for high precision. Advances in both processing and basic technology such as machine tools and CAD/CAM software determine the results of die and mold acceptability and the level of productive techniques in the country of manufacture.

This special issue focuses on advanced die and mold manufacturing technology. Included among the many interesting papers and reports are “The Influence Capitalize of Properties Improvement for Reinforced Plastics by Resin Flow Control Molding Method,” “Improving the Properties of Reinforced Plastics Using the Resin Flow Control Method of Molding – Evaluation of Sealing Performance of Molded Plastic Parts –,” “The Relation Between Mirror SurfaceMachining and Transcription Accuracy in the Nano Range – Molded Surface Transcription Through Accurate Mirror Surface Mold –,” and “High Precise Milling Process by cBN End Mills.”

We are certain that you will find this issue both interesting and informative.

We thank the authors for their generous cooperation and the editing staff for their invaluable assistance.

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Papers

Paper:
The Influence Capitalize of Properties Improvement for Reinforced Plastics by Resin Flow Control Molding Method
Naoki Mori, Kiyohito Gondou, Kohei Shimada, Takahiro Kitamura, Masatoshi Tsubouchi, Hiroshi Koresawa, Hiroyuki Narahara,
and Hiroshi Suzuki
, pp. 522-528
Abstract | Preview | Full-text (PDF 1133KB)
Paper:
Improving the Properties of Reinforced Plastics Using the Resin Flow Control Method of Molding
– Evaluation of Sealing Performance of Molded Plastic Parts –
Naoki Mori, Masatoshi Tsubouchi, Kiyohito Gondou, Kohei Shimada, Takahiro Kitamura, Hiroshi Koresawa, Hiroyuki Narahara,
and Hiroshi Suzuki
, pp. 529-535
Abstract | Preview | Full-text (PDF 696KB)

Development Reports

Development Report:
The Relation Between Mirror Surface Machining and Transcription Accuracy in the Nano Range
– Molded Surface Transcription Through Accurate Mirror Surface Mold –
Yutaka Ooto, Yoshihiko Hirasumi, Takashi Sawazaki, and Masahiro Anzai, pp. 536-541
Abstract | Preview | Full-text (PDF 859KB)
Development Report:
High Precise Milling Process by cBN End Mills
Katsumi Naganuma and Masato Mori, pp. 542-545
Abstract | Preview | Full-text (PDF 378KB)

Regular Paper

Paper:
A Study of Nanometric Surface Generation on Tungsten Carbide Using a Micro Polycrystalline Diamond End Mill
Kazuo Nakamoto, Tojiro Aoyama, Kazutoshi Katahira, Peter Fonda, and Kazuo Yamazaki, pp. 547-553
Abstract | Preview | Full-text (PDF 1574KB)

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