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Hideki Kawakubo, Hiroki Kikuchi
Session ID: E43
Published: 2008
Released on J-STAGE: September 03, 2008
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Recently, though the polishing technology has been automated, there are many cases in which the die finishing is carried out in the manual operation. In such background, magnetic field assisted machining method is noticed as a method using the flexible particle brush, and it is expected that the application to the finishing of the surface with minute ruggedness. The purpose of this study is the surface finishing of the comparatively wide surface with minute ruggedness. In this study, plane magnetic polishing was carried out as a basic research for the finishing of the surface with minute ruggedness. Then, the effect of the feed condition in the polishing characteristics and processing mechanism was examined in detail.
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Masayuki Natsume, Takeo Shinmura
Session ID: E44
Published: 2008
Released on J-STAGE: September 03, 2008
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Characteristics of finishing effect by magnetic abrasive brush, which acts as machining tool in magnetic assisted finishing process, has been studied on machining speed. In the case of using oscillation mainly, stock removal per unit area tends to decrease when maximum speed rises by the increase of oscillation width. Better surface roughness is got in higher speed. Finished surface seems to become rough by increase of cutting depth, because press force increases caused by self cohesion of magnetic particles oriented by cutting resistance, when machining speed is low.
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Machining mechanism finishing performance of compound magnetic particles.
Toshikazu Hayakawa, Takeo Shinmura
Session ID: E45
Published: 2008
Released on J-STAGE: September 03, 2008
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- Polishing characteristics under different applying methods of magnetic field -
Taketoshi Furuya, Yongbo Wu, Mituyoshi Nomura, Kunio Shimada, Keita Ya ...
Session ID: E46
Published: 2008
Released on J-STAGE: September 03, 2008
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Hitoshi Nishida, Kunio Shimada, Yasushi Ido, Makoto Goto
Session ID: E47
Published: 2008
Released on J-STAGE: September 03, 2008
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In this study, we investigated the effects of magnetic field distribution on the polishing inner surface of a tube utilizing MCF (Magnetic Compound Fluid) and discussed the polishing mechanism from the viewpoint of hydrodynamics. In the polishing, we filled the MCF involved abrasive particles in the tube and applied a rotational magnetic field vertically to the tube axis. In order to clarify the polishing mechanism, we conducted on the optical observation of the abrasive particles' behavior and measured the pressure distribution on the inner surface of the tube hydrodynamically.
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Yoshikazu Yaji, Eiji Yokoyama, Norihiro Watanabe, Atsushi Michimori, H ...
Session ID: E66
Published: 2008
Released on J-STAGE: September 03, 2008
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Implementation of Haptic Interaction and Methodology for Product Design Improvement
Kengo Mizui, Fumihiko Kimura
Session ID: E67
Published: 2008
Released on J-STAGE: September 03, 2008
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Visualization of function/behavior expression by extended Unified Modeling Language
Shinji Miura, Kazusa Minami, Akira Tsumaya, Toshiharu Taura
Session ID: E68
Published: 2008
Released on J-STAGE: September 03, 2008
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Creative design are required in manufacturing recently. An infrastructure system is effective to support design by using function expression framework systematically. The relative funtion expression framework is developed as such framework by us. In this study, function/behavior expressions are visualized by extended Unified Modeling Language.
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Basic concept of function reasoning engine
Kazusa Minami, Shinji Miura, Akira Tsumaya, Toshiharu Taura
Session ID: E69
Published: 2008
Released on J-STAGE: September 03, 2008
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We aim at the achievement of the function inference engine that enables the new function creation. Therefore, we proposed a new function expression framework. We focus on the relation between the function and behavior, and have enhanced the function model of the value engineering. We structurized the function expression framework from a viewpoint of similarity and difference, and tried the function inference using this structure and relativity.
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Tatsunori Hara, Tatsunari Kanda, Tamio Arai, Yoshiki Shimomura
Session ID: E73
Published: 2008
Released on J-STAGE: September 03, 2008
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Change in Customer's Cognitive Importance on Service Elements through Service Transaction
Koji Kimita, Yohei Yoshimitsu, Masayuki Yamagishi, Yoshiki Shimomura, ...
Session ID: E74
Published: 2008
Released on J-STAGE: September 03, 2008
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Ryo Suzuki, Yoshiki Shimomura, Tatsunori Hara, Tamio Arai
Session ID: E75
Published: 2008
Released on J-STAGE: September 03, 2008
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Contradiction Detection Focused on Lexical Expression of Function in Service Design
Yoshiki Akiyama, Ryo Suzuki, Yoshiki Shimomura, Tamio Arai
Session ID: E76
Published: 2008
Released on J-STAGE: September 03, 2008
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Tatsunari Kanda, Tatsunori Hara, Yoshiki Simomura, Tamio Arai
Session ID: E77
Published: 2008
Released on J-STAGE: September 03, 2008
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Koji Harada, Tatsunori Hara, Tamio Arai, Yoshiki Shimomura
Session ID: E79
Published: 2008
Released on J-STAGE: September 03, 2008
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Integrating representation of product and activity in service design
Hiroshi Kato, Tatsunori Hara, Yoshiki Shimomura, Tamio Arai
Session ID: E80
Published: 2008
Released on J-STAGE: September 03, 2008
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A Method for Extracting Customer Value in Service engineering
Tomotake KITAZAWA, Koji KIMITA, Yohei YOSHIMITSU, Yoshiki SHIMOMURA, T ...
Session ID: E81
Published: 2008
Released on J-STAGE: September 03, 2008
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Masatoshi Nakanishi, Ryo Suzuki, Yoshiki Simomura, Masaharu Yoshioka, ...
Session ID: E82
Published: 2008
Released on J-STAGE: September 03, 2008
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Web-based expansion scheme for a design knowledge information database
Kiyotaka Takahashi, Ryou Suzuki, Yoshiki Shimomura, Takeshi Tateyama, ...
Session ID: E83
Published: 2008
Released on J-STAGE: September 03, 2008
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In recent years, comprehensive problem solving by a designer has been required as the demand for an artifact grows and complicates more. In the above background, we have proposed Universal Abduction Studio (UAS), a computer environment, which supports a creative design synthetically. However, it is difficult for a designer to acquire the multiple domain knowledge on the grounds that the knowledge is accumulated manually. This paper proposes a method of expanding the design knowledge database used in UAS by extracting useful information for design from the resource on the web. Also, the authors propose a filtering method for reducing the information which isn't useful for design from the database. At the end, the effectively of the methods is verified.
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- Verification of displacement calculation method -
Akihide Kimura, Yoshikazu Arai, I Ko
Session ID: F01
Published: 2008
Released on J-STAGE: September 03, 2008
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We have developed a three-axis displacement sensor which can detect displacements in the XYZ directions simultaneously with nanometric resolution. This sensor, which is composed of a scale XY grating and a sensor head which has a reference XY grating, measures the three-axis displacement by calculating interference signals generated by ±1 order diffracted beams from the two gratings. The number of interference signals is increased and the displacement calculation method is changed to improve the sensor's performance. Experiments are also carried out to verify proposed method.
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The 5th report: Compensation of the displacement measurement due to the fluctuation of the air refractive index
Banh Quoc Tuan, Yuuta Hoshino, Masashi Ishige, Takeshi Kobayashi, Masa ...
Session ID: F02
Published: 2008
Released on J-STAGE: September 03, 2008
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The fluctuation of refractive index of air in the applications of laser interferometer is a dominate uncertainty source of the measurement. In this report, we have been developing a displacement measuring system by using phase modulation homodyne interferometer (PMHI) and an external cavity laser diode (ECLD) in which the air refractive index fluctuation is measured and the measurement uncertainty generated by this refractive index fluctuation is compensated.
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Development of high performance drumming robot
Jun Kitawaki, Tisato Kanamori
Session ID: F03
Published: 2008
Released on J-STAGE: September 03, 2008
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This study aims to build an elaborate and high speed computing machine control system with high resolution encoder. This system incorporate high resolution data, which needs high speed sampling and high speed operation. As an application example of this technologies, high performance drumming robot was developed. The robot consists of a high resolution rotary encoder, an intelligent chip, a controller and a DC motor. The intelligent chip receives encoder signals from encoder and send control signals to controller. Rotary motion and vibration were measured precisely by the experiment.
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Detection of Interference Torque based on Tension and Torque Correction in Loadcell
Kazuo Maruyama
Session ID: F04
Published: 2008
Released on J-STAGE: September 03, 2008
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Yuto Nagasaka, Yasuhiro Takaya, Terutake Hayashi
Session ID: F06
Published: 2008
Released on J-STAGE: September 03, 2008
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Analysis of touch signal for vertical approaching
Sang/In Eom, Yasuhiro Takaya, Terutake Hayashi
Session ID: F07
Published: 2008
Released on J-STAGE: September 03, 2008
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2nd Report: Development of an experimental system and control algorithm for active scanning motion
Takashi Harada, Noritsugu Adachi
Session ID: F08
Published: 2008
Released on J-STAGE: September 03, 2008
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Based on the optimum design proposed in the 1st report, an experimental system of the 3-dof active scanning probe using voice coil motors and parallel link mechanisms was developed. Impedance control which can arbitrary set mechanical impedance (mass, viscosity and stiffness) at the measurement point was installed for active scanning motion. In order to realize the desired impedance for actual environment, an advanced control method with simplified nonlinear dynamics compensation and disturbance observer was proposed. Effectiveness of the proposed method was confirmed by numerical simulations.
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Yoshikazu Arai, Yasuo Yoshikawa, Atsushi Shibuya, Wei Gao
Session ID: F09
Published: 2008
Released on J-STAGE: September 03, 2008
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Micro-structured surfaces such as micro-aspheric lenses/lens arrays and micro-gears are getting increasingly important in industries. We have developed a micro-ball stylus for measurement of 3D micro-structured surfaces. To measure such surfaces, micro-ball stylus whose tip ball is less than several micrometers in diameter is necessary. A precision glass micro-ball is glued on the top of the micro-ball stylus. The diameter of micro-ball is under 50 µm.
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Takafumi Sakurai, Kentaro Nemoto, Kazuhisa Yanagi, Masato Aketagawa, I ...
Session ID: F13
Published: 2008
Released on J-STAGE: September 03, 2008
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There are several types of areal surface texture measuring instruments, but the equivalence of each measured data is not provided for different measuring principle. The necessity of roughness standards is discussed to calibration and verification of areal surface texture measuring instruments. This study deals with development of roughness standards with irregular surface topography. Irregular surface topography data were generated through the non-causal 2D auto-regressive stochastic model. Roughness standards were machined by use of an ultra-precision milling machine and diamond ball end mill with excessively small tip radius. The roughness standards were measured by areal surface texture measuring instruments and the measured data were compared with the generated data.
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Seiichiro Hara, Masaki Igawa, Kazuyuki Sasajima
Session ID: F14
Published: 2008
Released on J-STAGE: September 03, 2008
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Verification of Characteristic of 2-Dimension Super Resolution Using 2-Way Shift of Standing Wave Illumination
Ryota Kudo, Shin Usuki, Satoru Takahashi, Kiyoshi Takamasu
Session ID: F15
Published: 2008
Released on J-STAGE: September 03, 2008
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Topographical and optical SNOM images of back-illuminated two-hole structure at sub-micrometer scale on cleaved optical fiber
Seiji Hara, Yasushi Oshikane, Takuya Matsuda, Masahiko Nagai, Haruyuki ...
Session ID: F16
Published: 2008
Released on J-STAGE: September 03, 2008
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A scanning near-field optical microscope (SNOM) with a small spherical probe gives us topographical and optical images of sample surface at nanometer scale below diffraction limit. By using the modified SNOM with two laser sources, we have succeeded in recording topographical and optical images of a two-hole structure at sub-micrometer scale on an end facet of cleaved optical fiber. The two-hole structure has been studied to create an apex of novel SNOM probe. In the experiment, the two-hole structure, which consists of a pair of 100 nm square holes fabricated by focused ion beam (FIB), is illuminated with an argon ion laser light from backside. At the same time, the spherical probe is illuminated with a He-Ne laser light, and a scattered light caused by an interaction between probe and sample surface is monitored by a photomultiplier tube (PMT) to keep the probe-sample distance constant. The resultant topographical has small dimples corresponding to the square holes, and the optical SNOM image has a bright spot near the two-hole structure. This spot may correspond to a localized optical near-field excited at the sub-micrometer structure. The fabrication technique for the two-hole structure must be improved to generate an optimal localized near-field spot.
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Measurement of 115nm latex standard particle on 6 inch Si wafer
Kenichi Miyaji, Haruyuki Inoue, Naoto Umeguchi, Tatsuya Katahira, Yasu ...
Session ID: F17
Published: 2008
Released on J-STAGE: September 03, 2008
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Akira Takahashi, Ryoji Nakamura, Nobuharu Miwa, Yuichi Takigawa, Taro ...
Session ID: F19
Published: 2008
Released on J-STAGE: September 03, 2008
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A one-dimensional calibration system for precision line scales has been developed. The system consists of an alignment stage and a microscope. The alignment stage holds the standard scale under test and the microscope detects the position of the graduations of the scale. The microscope travels along an air bearing slide. Both of the positions of the alignment stage and the microscope are monitored with laser interferometer systems, which are designed to compensate the Abbe's error. The laser beams travel in vacuum to reduce the fluctuation or drift of refractive index of air along the interferometer paths. The optical frequency of the laser source of the interferometer systems is calibrated in real time by an iodine stabilized He-Ne laser.
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Yohan Kondo, Kazuyuki Sasajima, Sonko Osawa, Osamu Sato, Masaharu Komo ...
Session ID: F20
Published: 2008
Released on J-STAGE: September 03, 2008
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Decision of Edge and Pitch of Linewidth by STEM Images
Kazuki Kuwabara, Yusuke Sawauchi, Satoru Takahashi, Kiyoshi Takamasu
Session ID: F21
Published: 2008
Released on J-STAGE: September 03, 2008
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Hiroki Hanaoka, Hiroshi Yamazaki, Manabu Kino, Jun Handa, Naoki Kaneko
Session ID: F22
Published: 2008
Released on J-STAGE: September 03, 2008
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Dependence on optical properties of sample surface
Masaki Michihata, Yasuhiro Takaya, Terutake Hayashi
Session ID: F23
Published: 2008
Released on J-STAGE: September 03, 2008
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Takashi Sasaki, Yukihiro Ito, Wataru Natsu
Session ID: F31
Published: 2008
Released on J-STAGE: September 03, 2008
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Hirofumi Suzuki, Wataru Natsu
Session ID: F32
Published: 2008
Released on J-STAGE: September 03, 2008
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Yukihiro Ito, Wataru Natsu, Masanori Kunieda
Session ID: F33
Published: 2008
Released on J-STAGE: September 03, 2008
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Yusuke Takeuchi, Yoshikazu Kobayashi, Kenji Shirai
Session ID: F34
Published: 2008
Released on J-STAGE: September 03, 2008
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The purpose of this study is to develop a sensor system for measuring contact stress distribution. The system is composed of an elastic body, semi-spherical solid body, and sensor sheet where stress distribution can be measured. The surface shape of measured objects is recognized by measuring stress distribution under the elastic body. Three kinds of contact sensors with different intervals of the semi-spherical solid body were placed on the sensor sheet. To measure the stress distribution a 3kg weight was placed on the flat object. As a result, the differences of the three contact sensors were confirmed.
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Tatsuya Kume, Kazuhiro Enami, Yasuo Higashi, Kenji Ueno
Session ID: F36
Published: 2008
Released on J-STAGE: September 03, 2008
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Systematic fluctuations in calibrated zero differences, that is relative position differences among three displacementmeters for three probe method, were observed. They were obtained by zero adjustment method which calibrates zero differences by means of inverse measurement using two pair of probe units facing against each other. Here, their mechanisms and solutions were considered.
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Adisorn Sornkaew, Masakazu Watanabe, Norimasa Sakuta, Ryoshu Furutani
Session ID: F37
Published: 2008
Released on J-STAGE: September 03, 2008
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Study on determination of the normal vector measured positions with high accuracy by self calibration
Yasuo Higashi, Tatsuya Kume, Kazuhiro Enami, Katsuyoshi Endo, Tomohiro ...
Session ID: F38
Published: 2008
Released on J-STAGE: September 03, 2008
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Basic Experiments of Characteristic Compensation
Satoshi Morotomi, Hiroki Shimizu, Yuma Tamaru
Session ID: F39
Published: 2008
Released on J-STAGE: September 03, 2008
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Yuichiro Tokuda, Satoru Takahashi, Kiyoshi Takamasu
Session ID: F40
Published: 2008
Released on J-STAGE: September 03, 2008
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Hiroshi Itoh
Session ID: F44
Published: 2008
Released on J-STAGE: September 03, 2008
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Yohei Yoshimura, Hidetoshi Yokoi
Session ID: F45
Published: 2008
Released on J-STAGE: September 03, 2008
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Yasuhiko Murata, Takehiro Yamada, Kazunori Nishijima, Akihiro Minami
Session ID: F46
Published: 2008
Released on J-STAGE: September 03, 2008
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Efforts are being made to put to practical application microcellular injection molding which generate microcellular structures inside molded products by kneading melt with carbon dioxide and nitrogen in the supercritical state. This method is also applied to the molding of products with high dimensional accuracy, however, the external defect of silver streaks are known to occur and is a problem. This report discusses attempts to control the generation of silver streaks using an induction heating mold which incorporates electromagnetic induction coil inside its mold.
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Injection Molding utilized by High Speed Air cylinder
Yasuhiko Murata, Yasuhiro Toyama, Hiroyuki Noguchi
Session ID: F47
Published: 2008
Released on J-STAGE: September 03, 2008
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In recent years, the plastic injection molding technology of products with micro shapes in the nano or micro order are drawing interest. This report discusses attempts to mold a plastic gear with a diameter of 50μm using an injection molding machine mounted with a high speed cylinder and micro-cavity machined by focused iron beam (FIB).
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