Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Noriyuki Koreta"'
1
Surface Roughness Generated by Ball-End Mill on Five-Axis Controlled Machining Centers
Autor: Noriyuki Koreta, Xiaoming Zhao, Masaomi Tsutsumi
Publikováno v: Journal of the Japan Society for Precision Engineering. 64:1826-1830
It is very important to get fine surface roughness in the milling process for reducing the production time of plastic molds. However, few research works on the effect of cutting conditions to the surface roughness have been conducted in the fiveaxis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f5ad16a6d641a24f6dd7b70983707b6
https://doi.org/10.2493/jjspe.64.1826
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2
Determination of Optimum Tilting Angle of Ball-End Mill in 5-Axis Control Machining. In the Case of Spherical Surface Machining Based on Finished Surface Roughness
Autor: Dongfang Ge, Xiaoming Zhao, Masaomi Tsutsumi, Noriyuki Koreta
Publikováno v: Journal of the Japan Society for Precision Engineering. 63:992-996
When machining a spherical surface along a contour line with a ball-end mill at high feed speed, the finished surface roughness is greatly affected by the tilting angle of the tool axis. In order to obtain fine surface roughness, this paper proposes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b4c90a57c71f135303a7b54651e79fe
https://doi.org/10.2493/jjspe.63.992
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3
Determination of Optimum Tilting Angle of Ball-End Mill in 5-Axis Control Machining. Determination Based on Finished Surface Roughness and Application of Neural Network
Autor: Noriyuki Koreta, Xiaoming Zhao, Liang Chen, Dongfang Ge, Masaomi Tsutsumi
Publikováno v: Journal of the Japan Society for Precision Engineering. 62:1019-1023
When machining a workpiece with a ball-end mill at high feed speed, the finished surface roughness is greatly affected by the tilting angle of the tool axis. In order to obtain fine surface roughness, this paper proposes concepts of optimum and criti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f794d360e52a8891c3eec4d8bb121a9e
https://doi.org/10.2493/jjspe.62.1019
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4
Thermoelectric Cooling of Machine Tool Spindle
Autor: Kazuo Jinno, Noriyuki Koreta, Tadashi Rokkaku, Keiji Mizuta, Ken Watanabe
Publikováno v: Journal of the Japan Society for Precision Engineering. 60:652-656
The thermoelectric cooling method for the main spindle of a machine tool is proposed in the study. The experimental results show that the thermoelectric cooling method contributes to decrease the temperature at many different places of the spindle co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::343bd3337f709dbd7bf891af3ed3c92b
https://doi.org/10.2493/jjspe.60.652
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5
Study of High Accuracy of Machine Tool with Bang-Bang Control
Autor: Kenji Tsumura, Noriyuki Koreta, Katsuyoshi Takeuchi, Tsuneo Egawa, Hironari Okitomo
Publikováno v: Journal of the Japan Society for Precision Engineering. 60:427-431
Application of bang-bang control to reduce the servo error generated by nonlinear elements in numerically controlled machine tools is presented in this paper. It has been prooved that the modified inverse transfer function control can eliminate the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f8c4d1c165c2bb6425d626c2b02eaa0
https://doi.org/10.2493/jjspe.60.427
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6
Study on Control of Thermal Deformation of Machine Tool Structure due to Room Temperature's Change by Use of Thermal Insulating Balancing Boards
Autor: Ken Watabe, Noriyuki Koreta, Hashimoto Ritsuo, Keiji Mizuta
Publikováno v: Journal of the Japan Society for Precision Engineering. 60:853-857
The paper describes the method to improve thermal deformation of machine tool by making good thermal balance with insulating boards applied to the structure. The usefulness of the method is confirmed by the experiments with a model and by the finite
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::101c5482e30133ec98f7dfbd87330a57
https://doi.org/10.2493/jjspe.60.853
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8
High Speed Feed Method of Numerically Controlled Machine Tool Using Modified Inverse Transfer Function Control
Autor: Kenji Tsumura, Shinsuke Tsuda, Hironari Okitomo, Noriyuki Koreta, Ken Watabe
Publikováno v: Journal of the Japan Society for Precision Engineering. 59:1347-1352
This paper describes the new feed control method-the modified inverse transfer function control method-of the numerically controlled machine tool to guarantee the geometrical accuracy of three-dimensional surface at very high feed speed.The method ma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9ec51d7317865139860b88eed577aa7
https://doi.org/10.2493/jjspe.59.1347
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10
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