Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Shoichi TAMURA"'
Autor:
Shoichi TAMURA, Takashi MATSUMURA
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0045-JAMDSM0045 (2024)
Non-step drillings of deep holes with twist drill are required to achieve high production rates in machine shops. However, tool breakage sometimes occurs due to chip clogging in the holes. The surface finish is also deteriorated by chip scratching. T
Externí odkaz:
https://doaj.org/article/cc86f5e955af4bb1803ae88f52340ab3
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 17, Iss 1, Pp JAMDSM0007-JAMDSM0007 (2023)
In machining of rolled titanium alloy, the anisotropy in the cutting force induced by the rolling texture should be controlled to achieve high quality surface. The cutting tests on the normal direction (ND) plane of a rolled titanium alloy plate are
Externí odkaz:
https://doaj.org/article/c3e9a75829d64b46af5e61be557cef3c
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 15, Iss 4, Pp JAMDSM0047-JAMDSM0047 (2021)
In the automated machining processes, tool damage should be managed to assure product qualities, promote machine tool performance and reduce production time and cost. In drilling process, the cutting process changes along the cutting edge; and the to
Externí odkaz:
https://doaj.org/article/1c7132ea498048c2b435a8c9f07bcf81
Autor:
Shoichi Tamura, Takashi Matsumura
Publikováno v:
Key Engineering Materials. 926:1636-1642
Flat bottom drills at a point angle of 180 deg. have recently been applied to not only drilling on inclined surfaces but also flat bottom holes in terms of the dimensional accuracy and the process efficiency. Controlling the cutting force, the tool d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02c1f95fbc40175421615ab839433a10
https://doi.org/10.4028/p-0dz21w
https://doi.org/10.4028/p-0dz21w
Publikováno v:
Procedia CIRP. 110:395-400
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c31354622d385e03874c73a4089f22d
https://doi.org/10.1016/j.procir.2022.06.070
https://doi.org/10.1016/j.procir.2022.06.070
Autor:
Takashi Matsumura, Shoichi Tamura
Publikováno v:
Precision Engineering. 70:70-76
A large number of drilling have been performed to assemble aircraft parts of carbon fiber reinforced plastic (CFRP). Although high quality is required in machining the holes with high productivity in terms of reliability of parts, delamination often
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10a503d7ce23dfe523adff9e0e99b14e
https://doi.org/10.1016/j.precisioneng.2021.01.003
https://doi.org/10.1016/j.precisioneng.2021.01.003
Publikováno v:
Volume 2: Manufacturing Processes; Manufacturing Systems.
Hybrid manufacturing involving additive and subtractive process in the same platform has been attracted to produce complex shaped parts with excellent surface finish and accuracy in surgical, aerospace, tool and die industries. The microstructures of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74b3f95ae6e6d119b3d8cc42ecc8780d
https://doi.org/10.1115/msec2022-85416
https://doi.org/10.1115/msec2022-85416
Autor:
Takashi Matsumura, Shoichi Tamura
Publikováno v:
Procedia Manufacturing. 47:466-471
The machinings of aircraft parts and die molds highly require fine surfaces at high production rates in terms of reliability. Barrel end mills having excessively large curvatures on the side cutting edges have recently been applied to finishing of ta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07abf943211b713bd4a72485f419babd
https://doi.org/10.1016/j.promfg.2020.04.337
https://doi.org/10.1016/j.promfg.2020.04.337
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 6, Iss 6, Pp 753-763 (2012)
Cutting force in drilling of Ti-6Al-4V is studied with simulation based on a predictive model. In the force model, three-dimensional chip flow is made by piling up the orthogonal cuttings in the planes containing the cutting velocities and the chip f
Externí odkaz:
https://doaj.org/article/717f74c57aa047138fe5eab5a85bad1d
Autor:
Shoichi Tamura, Takashi Matsumura
Publikováno v:
International Journal of Automation Technology. 13:109-117
High-precision machining is required for manufacturing hyper-hemispherical artificial joints made of difficult-to-cut metals such as cobalt-chromium (Co-Cr) alloys to provide wear resistance in the human body. The hyper-hemisphere of Co-Cr alloys is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8c9119a25bf5bd55082ead651a1b666
https://doi.org/10.20965/ijat.2019.p0109
https://doi.org/10.20965/ijat.2019.p0109