笹原 弘之

J-GLOBALへ         更新日: 18/11/21 05:49
 
アバター
研究者氏名
笹原 弘之
eメール
sasaharacc.tuat.ac.jp
URL
http://www.tuat.ac.jp/~saslab/
所属
東京農工大学
部署
工学研究院先端機械システム部門
職名
教授(ディスティングイッシュトプロフェッサー)
学位
博士(工学)(東京工業大学)
その他の所属
東京農工大学東京農工大学東京農工大学東京農工大学

研究分野

 
 

経歴

 
1988年4月
 - 
1996年4月
- 東京工業大学工学部助手
 
1996年5月
 - 
1998年3月
- 東京農工大学工学部講師
 
1998年4月
 - 
2004年3月
- 東京農工大学工学部助教授
 
2000年4月
 - 
2001年3月
- 米国ノースカロライナ州ノースカロライナ大学シャーロット校客員研究員
 
2004年4月
 - 
2009年9月
- 東京農工大学大学院共生科学研究部先端生物システム学部門 助教授(准教授) (2006・4より共生科学技術研究院)
 

学歴

 
 
 - 
1988年
東京工業大学 工学部 機械物理工学科
 

委員歴

 
2010年3月
 - 
2014年3月
精密工学会  理事 広報情報部会長(2012-2014),理事 広報委員会委員長(2010-2012)
 
2008年6月
   
 
型技術協会  理事
 

受賞

 
2017年6月
財団法人工作機械技術振興財団 第38次 工作機械技術振興賞(奨励賞)
 
2017年4月
2016年度日本機械学会教育賞「スターリングエンジンを題材としたものづくり教育」
 
2016年6月
一般社団法人型技術協会 第30回型技術協会奨励賞
 
2016年6月
財団法人工作機械技術振興財団 第37次 工作機械技術振興賞(奨励賞)
 
2016年6月
財団法人工作機械技術振興財団 第37次 工作機械技術振興賞・論文賞
 
2016年3月
精密工学会 高城賞「薄板加工におけるびびり振動抑制用動吸振器の設計方法に関する研究」
 
2014年11月
Excellent Poster Award, The 16th International Machine Tool Engineers’ Conference, “Additive Manufacturing with Direct Metal Lamination by Using Arc Discharge”
 
2011年6月
財団法人 工作機械技術振興財団 財団法人 工作機械技術振興財団 第32次 工作機械技術振興賞(奨励賞) 曲線切断を可能とする丸のこ切削
受賞者: 山田洋平,笹原弘之
 
2011年6月
型技術協会 第21回型技術協会賞奨励賞 パッチ分割切削法による二重らせん工具経路を用いた周期的凹凸表面模様形成
受賞者: 黒田耕介,笹原弘之,松田礼
 
2010年11月
日本機械学会 生産加工工作機械部門 優秀講演論文賞 駆動形ロータリ切削におけるMQLが切削点温度へ与える影響
受賞者: 佐竹健太郎,山本博雅,笹原弘之,成田徹,堤正臣,村木俊之
 
2008年11月
Japan Machine Tool Builders' Association, IMEC Organizing Comittee Excellent Poster Award, The 13th International Machine Tool Engineers' Conference “Rotary Cutting on Multi-tasking Machine”
受賞者: Hiroyuki Sasahara, Hiromasa Yamamoto, Yoshihiro Yamada
 
2008年6月
財団法人工作機械技術振興財団 財団法人工作機械技術振興財団 第29次 工作機械技術振興賞(奨励賞) 立体形状カムの三次元切削における送り速度制御と加工面精度
受賞者: 笹原弘之,下城総平,五十嵐大輔
 
2006年
生物システム応用科学府 生物システム応用科学府(BASE)平成18年度ベストティーチャー賞
 
2006年
Best Paper Award 2006, ICPMT 2006(Matsue), "Effect of Machining Strategy on Thermal Expansion in Fine Boring Process"
 
2005年
財団法人工作機械技術振興財団 第26次 工作機械技術振興賞(奨励賞)
 
2004年
JIMTOF2004 工作機械のニューテクノロジーポスター展 優秀ポスター賞
 
2003年
2002年度精密工学会春季大会学術講演会ベストプレゼンテーション賞
 
2001年
Outstanding Poster Award, 10th ICPE (Yokohama), "Analysis of Tool Temperature in High-Speed Milling"
 
1997年
財団法人工作機械技術振興財団 第18次 工作機械技術振興賞(奨励賞)
 
1995年
財団法人工作機械技術振興財団 第16次 工作機械技術振興賞(奨励賞)
 

論文

 
Effect of the Type of Grinding Wheel on the Surface Characteristic of Titanium Alloy with Internal Coolant Supply
N.Nakatsuka, S.Toyokawa, A.Kusakabe, S.Nakatsukasa, H.Sasahara
Proceedings of 2018 International Conference on Machining, Materials and Mechanical Technologies (IC3MT)   Paper ID 2504   2018年9月   [査読有り]
Surface Characteristic on Curved Grinding of Titanium Alloy with Coolant Supplying from Inner Side of Grinding Wheel
S.Toyokawa, N.Nakatsuka, A.Kusakabe, H.Sasahara
Proceedings of 2018 International Conference on Machining, Materials and Mechanical Technologies (IC3MT)   Paper ID 2329   2018年9月   [査読有り]
Precise fabrication and cutting of wall structure to repair the thin end of plate using interlayer temperature monitoring on wire and arc-based additive manufacturing
T.Tsurumaki, S. Tsukamoto, H.Chibahara, H.Sasahara
Proc. ISFA2018   #22   2018年7月   [査読有り]
Effect of tool posture for tool wear on turn-milling
S.Shichiri, K.Utsumi, H.Sasahara
Proc. ISFA2018   #18   2018年7月   [査読有り]
A.Miyake, H.Sasahara, A.Kitakaze, S.Katoh, M.Muramatsu, K.Noguchi, K.Sannomiya, T.Nakaya,
Precision Engineering   53 38-45   2018年7月   [査読有り]
Optimization of grinding conditions for small diameter hole to achieve higher performance of linear solenoid
K.Matsubara, T.Kimura, H. Sasahara
Proc. 18th Int. Conf. EUSPEN   327-328   2018年6月   [査読有り]
Study on effect of lead and tilt angle of tool on cutting force and tool wear in turn milling
K.Utsumi, S.Shichiri, S.Kayama, H.Sasahara
Proc. 18th Int. Conf. EUSPEN   355-356   2018年6月   [査読有り]
Fabrication of Lattice Structures by Wire and Arc-based Additive Manufacturing
T.Abe, H.Sasahara
Proc. 18th Int. Conf. EUSPEN   279-280   2018年6月   [査読有り]
砥石表面の特徴的な温度変動に基づく研削加工時の異常発生のインプロセス判別
福原義也,鈴木修平,笹原弘之
砥粒加工学会誌   62(4) 204-210   2018年4月   [査読有り]
H.Sasahara, Y.Sukegawa, Y.Yamada
Precision Engineering   52 291-299   2018年4月   [査読有り]
Y. Fukuhara, S. Suzuki, H.Sasahara
Precision Engineering   51 433-439   2018年1月   [査読有り]
Okamura, Kiyoshi; Sasahara, Hiroyuki
JOURNAL OF ADVANCED MECHANICAL DESIGN SYSTEMS AND MANUFACTURING   11(3)    2017年   [査読有り]
Low-frequency vibration drilling can suppress the drilling temperature and extend tool life. In low-frequency vibration drilling, there are drilling times and non-drilling times in each vibration cycle. A past study clarified that the temperature ...
Study on the residual stress on grinding of titanium alloy with coolant supplied from inner side of grinding wheel
S.Toyokawa, N.Nakatsuka, A.Kusakabe, H.Sasahara
Advances in Abrasive Technology XX (Proc. ISAAT2017)   972-977   2017年12月   [査読有り]
Study on High Efficiency of Impeller Machining with Taper Ball End Mill
T.Kimura, H.Sasahara, K.Matsubara, Z.Oda
Advances in Abrasive Technology XX (Proc. ISAAT2017)   846-851   2017年12月   [査読有り]
Study on the residual stress on grinding of titanium alloy with coolant supplied from inner side of grinding wheel
S.Toyokawa, N.Nakatsuka, A.Kusakabe, H.Sasahara
Advances in Abrasive Technology XX (Proc. ISAAT2017)   972-977   2017年12月   [査読有り]
Study on High Efficiency of Impeller Machining with Taper Ball End Mill
T.Kimura, H.Sasahara, K.Matsubara, Z.Oda
Advances in Abrasive Technology XX (Proc. ISAAT2017)   846-851   2017年12月   [査読有り]
Minimization of Thermal Distortion on Wire and Arc-based Additive Manufacturing on the Shaft
T.Yoshioka, H. Sasahara
Proc. 9th Int. Conf. on LEM21   USB C22   2017年11月   [査読有り]
Precise Fabrication of Wall Structure onto Thin Plate End with Interlayer Temperature Monitoring on Wire and Arc-based Additive Manufacturing
T.Tsurumaki,H.Chibahara, S.Tsukamoto, H.Sasahara
Proc. 9th Int. Conf. on LEM21   USB C20   2017年11月   [査読有り]
Development of the shell structure building simulator with two-dimensional bead model for wire and arc-based additive manufacturing
T.Abe, H.Sasahara
Proc. 9th Int. Conf. on LEM21   USB C19   2017年11月   [査読有り]
An Evaluation Method for the Speed and Accuracy, of CNC Machine Tool
T.Otsuki, H.Sasahara, R.Sato
Proc. 9th Int. Conf. on LEM21   USB B04   2017年11月   [査読有り]
Three Dimensional Finite Element Modeling when Drilling of Ti-6Al-4V
E. A. Rahim, H. Sasahara
International Journal of Robotics and Mechatronics   4(1) 33-38   2017年11月   [査読有り]
Minimization of Thermal Distortion on Wire and Arc-based Additive Manufacturing on the Shaft
T.Yoshioka, H. Sasahara
Proc. 9th Int. Conf. on LEM21   C22   2017年11月   [査読有り]
Precise Fabrication of Wall Structure onto Thin Plate End with Interlayer Temperature Monitoring on Wire and Arc-based Additive Manufacturing
T.Tsurumaki,H.Chibahara, S.Tsukamoto, H.Sasahara
Proc. 9th Int. Conf. on LEM21   C20   2017年11月   [査読有り]
Development of the shell structure building simulator with two-dimensional bead model for wire and arc-based additive manufacturing
T.Abe, H.Sasahara
Proc. 9th Int. Conf. on LEM21   C19   2017年11月   [査読有り]
An Evaluation Method for the Speed and Accuracy, of CNC Machine Tool
T.Otsuki, H.Sasahara, R.Sato
Proc. 9th Int. Conf. on LEM21   B04   2017年11月   [査読有り]
Otsuki, Toshiaki; Sasahara, Hiroyuki; Sato, Ryuta
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY   50 433-439   2017年10月   [査読有り]
The method of evaluating two-dimensional contouring error between the reference trajectory and the trajectory measured with a cross-grid encoder and magnifying the error is widely used. However, this method has a problem in that the inner cornerin...
Talib, N.; Sasahara, H.; Rahim, E. A.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY   92(43104) 371-391   2017年9月   [査読有り]
Crude jatropha oil (CJO) has been acknowledged as an environmentally benign metalworking fluid (MWF) in the machining industry. However, one drawback found in CJO is that it has poor thermal-oxidative stability that leads to poor lubrication behav...
Chip Adhesion and Tool Wear in Driven Rotary Cutting
H.Sasahara, M.Goto, W.Takahashi, H. Yamamoto, T.Muraki
Proc. ASME 2017 12th Int. Manuf. Sci. and Eng. Conf. MSEC2017   MSEC2017-2958   2017年6月   [査読有り]
Chip Adhesion and Tool Wear in Driven Rotary Cutting
H.Sasahara, M.Goto, W.Takahashi, H. Yamamoto, T.Muraki,
Proc. ASME 2017 12th Int. Manuf. Sci. and Eng. Conf. MSEC2017   MSEC2017-2958   2017年6月   [査読有り]
Sasahara, Hiroyuki; Satake, Kentarou; Takahashi, Wataru; Goto, Masato; Yamamoto, Hiromasa
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY   48 158-163   2017年4月   [査読有り]
We examined cutting point temperature and tool wear in driven rotary cutting. Cutting tests under dry and minimum-quantity-lubrication (MQL) conditions of stainless steel (SUS304) were carried out. Cutting point temperature was measured using a to...
Performance of palm oil as a biobased machining lubricant when drilling inconel 718
E. A. Rahim, H. Sasahara
MATEC Web of Conferences   101    2017年4月   [査読有り]
H. Sasahara, K. Satake, W. Takahashi, M. Goto and H. Yamamoto
Precision Engineering   48 158–163   2017年4月   [査読有り]
Development of a Cooperative System with Wire and Arc-based Additive Manufacturing and Machining
H. Nagamatsu, Y. Mitsutake, T. Hamamoto and H. Sasahara
Proc.ICPE2016   B105-8223   2016年11月   [査読有り]
Mechanical Property of the Fabricated Object Using Nickel-based Alloy in Wire and Arc-based Additive Manufacturing
S. Takizawa, Y. Nakano, S. Tsukamoto and H. Sasahara
Proc.ICPE2016   B104-8222.   2016年11月   [査読有り]
Development of a Cooperative System with Wire and Arc-based Additive Manufacturing and Machining
H. Nagamatsu, Y. Mitsutake, T. Hamamoto and H. Sasahara
Proc.ICPE2016   B105-8223   2016年11月   [査読有り]
Effect of Tip Shape of Burnishing Tool on processed surface of S45C on Frictional Stir Burnishing,
Y. Hiratsuka, H. Sasahara and Y. Takada
Proc. 2nd IC3MT   #81   2016年10月   [査読有り]
Characteristics of machined surface and tool failure on CFRP cutting by circular saw
Y. Sukegawa, H. Sasahara and Y. Yamada
Proc. 2nd IC3MT   #80   2016年10月   [査読有り]
Effect of grinding wheel specifications on the grinding wheel surface temperature and the surface roughness for coolant supplying system from inter side of grinding wheel
Y. Fukuhara, S. Suzuki and H. Sasahara
Proc. 2nd IC3MT   #27   2016年10月   [査読有り]
High Quality Machining of the CFRP with Hyper Grinding
R.Koyasu, K. Suzuki and H.Sasahara
Proc. IC3MT 2016   #84   2016年10月   [査読有り]
A newly developed woven metal wire tool with electrodeposited diamond grains and its application for CFRP core drilling
R. Koyasu, K. Suzuki1, Y. Ito, Y. Fukuhara, Y. Takeda, M. Matsubara, H. Sasahara, Y. Yao and K. Nomura1
Proc. 19th ISAAT   118-123   2016年10月   [査読有り]
Effect of axial vibration on peripheral finishing of CFRP using woven metal wire tool with electrodeposited diamond grains
K. Nomura, N. Takeuchi, Y. Ito, Y. Takeda and H. Sasahara
Proc. 19th ISAAT   113-117   2016年10月   [査読有り]
T. Nakamura, H. Sasahara, S. Kusunose and I. Nishizaki
Materials Science Forum   656-657 440-445   2016年10月   [査読有り]
A. Miyake, H. Sasahara, A. Kitakaze, S. Katoh, M. Muramatsu, K. Noguchi, K. Sannomiya, T. Nakaya
Proc. ISFA2016   -    2016年8月   [査読有り]
Performance of small diameter grinding wheel with coolant supplying from its inner side
K.Matsubara, J.Tsuchimura, H.Sasahara
Proc. 16th Int. Conf. EUSPEN   (2) P4.17   2016年6月   [査読有り]
T. Abe and H. Sasahara
Precision Engineering   45(4) 387–395   2016年3月   [査読有り]
岡村清志,笹原弘之
砥粒加工学会誌   60(2) 320-325   2016年2月   [査読有り]
Kai Xu and H. Sasahara
International Journal of Automation Technology   10(1) 23-29   2016年1月   [査読有り]
はじめての機械加工―スターリングエンジンを題材としたモノづくり教育―
笹原弘之,伊藤博信
日本機械学会誌   118(1165) 730-733   2015年12月
Norfariza Wahab, Yumi Inatsugu, Satoshi Kubota, Soo Young Kim, Hiroyuki Sasahara
International Journal of Automation Technology   9(6) 775-781   2015年11月   [査読有り]
アーク溶接技術を応用した金属3Dプリンタの現状と展望(連載3Dプリンタが拓くモノづくりの可能性をさぐる,第4回)
笹原弘之
機械技術   63(10) 78-83   2015年10月
The performance of modified Jatropha oil as a sustainable metalworking fluid when high speed rotary machining
Norfazillah Talib, M. Goto, H. Sasahara, Erween Abd. Rahim
Proc. 8th Int. Conf. on LEM21   CD-ROM B33   2015年10月   [査読有り]
Effect of cutting fluid on chip adhesion and tool wear in driven rotary cutting
M. Goto, W. Takahashi, H. Yamamoto, H. Sasahara
Proc. 8th Int. Conf. on LEM21   CD-ROM B32   2015年10月   [査読有り]
Cutting edge temperature prediction on low-frequency vibration drilling considering real cutting time
K. Okamura, H. Sasahara
Proc. 8th Int. Conf. on LEM21   CD-ROM B30   2015年10月   [査読有り]
Strength of laminated object of magnesium alloy fabricated by direct metal lamination using arc discharge
H. Takagi, T. Abe, H.Sannomiya, S. Nishiyama, S. Ohta, K. Nakamura, H. Sasahara
Proc. 8th Int. Conf. on LEM21   CD-ROM B13   2015年10月   [査読有り]
Development of in-process monitoring system for grinding wheel surface temperature and grinding state
Y. Fukuhara, S. Suzuki and H. Sasahara
Advances Materials Research   806 624-629   2015年10月   [査読有り]
Improvement of surface roughness with micro-axial vibration of spindle by pressure pulsation of grinding fluid supplied through inside of wheel
K. Nomura, N. Takeuchi, A. Kusakabe, M. Chino and H. Sasahara
Advances Materials Research   806 673-677   2015年10月   [査読有り]
高田正義,笹原弘之
日本機械学会誌論文集   81(830) No.15-00350   2015年9月   [査読有り]
Study on the Finish Cutting of the Hardened Layer Made by Frictional Stir Burnishing
H. Sasahara, Y. Hiratsuka, Y. Yamada, Y. Takada and T. Nakamura
Proc. The 6th Int. Conf. of Asian Society for Precision Engineering and Nanotechnology   Paper No.136   2015年8月   [査読有り]
機械工学年鑑 16・2 切削加工
笹原弘之
日本機械学会誌   118(1161) 504-505   2015年8月   [査読有り]
Hisataka Takagi, Takeyuki Abe, Peng Cui and Hiroyuki Sasahara
Key Engineering Materials   656-657 440-445   2015年7月   [査読有り]
Masato Goto, Wataru Takahashi, Wataru Sasaki, Takeshi Toujyo, Yuji Takagi Hiromasa Yamamoto and Hiroyuki Sasahara
Key Engineering Materials   656-657 208-213   2015年7月   [査読有り]
Novel Machining Mthod to Fabricate a Large Size Turbine Disks with Mandrel Type Fixturing Jig and EDM on a Multi-tasking Machine
Hiroyuki Sasahara, Kazuya Mizobe, Susumu Hara, Norio Kushihashi and Shigemi Shindo
Proc. 15th Int. Conf. EUSPEN   (2) 377-378   2015年6月   [査読有り]
Filippo Montevecchi, Niccolò Grossi, Hisataka Takagi, Antonio Scippa, Hiroyuki Sasahara, Gianni Campatelli
Procedia CIRP, 7th HPC 2016   476 – 479   2015年5月   [査読有り]
Norfariza Wahab, Hiroyuki Sasahara, Shinnosuke Baba, Yuta Hiratsuka, Takashi Nakamura
International Journal of Modeling and Optimization   5(2) 140-144   2015年4月   [査読有り]
Norfariza Wahab, Hiroyuki Sasahara
Advanced Materials Research   1101 402-405   2015年4月   [査読有り]
内海幸治,河野一平,小野塚英明,加藤吐夢,笹原弘之
精密工学会誌   81(2) 187-192   2015年2月   [査読有り]
Takeyuki Abe and Hiroyuki Sasahara
International Journal of Precision Engineering and Manufacturing   16(1) 171-176   2015年1月   [査読有り]
曲線切断丸のこを用いたCFRPのトリム加工
山田洋平,笹原弘之
機械技術   62(13) 37-39   2014年12月
Hiroyuki Sasahara, Tomoko Kikuma, Rei Koyasu, Yasuhiro Yao
Precision Engineering   38(4) 775-782   2014年10月   [査読有り]
Effect of cutting conditions on tool wear in driven rotary cutting of maraging steel
Masato Goto, Wataru Takahashi, Wataru Sasaki, Takeshi Toujyo, Yuji Takagi, Hiromasa Yamamoto and Hiroyuki Sasahara
Proc. IC3MT 2014   #166_0_0M(CD-ROM)   2014年9月   [査読有り]
Mechanical Properties Evaluation of Metal Component Repaired by Direct Metal Lamination
Hisataka Takagi, Takeyuki Abe, Hou Sai, Hiroyuki Sasahara
Proc. IC3MT 2014   # 438_0_3_M(CD-ROM)   2014年9月   [査読有り]
Kosaku Matsubara, Jun Tsuchimura, Shota Kawazoe and Hiroyuki Sasahara
Advanced Materials Research   1017 50-54   2014年9月   [査読有り]
Nagatoshi Nakatsuka, Yudai Hirai, Atushi Kusakabe, Yasuhiro Yao and Hiroyuki Sasahara
Advanced Materials Research   1017 33-37   2014年9月   [査読有り]
Norfariza Wahab, Yumi Inatsugu, Satoshi Kubota, Soo Young Kim, Hiroyuki Sasahara
Key Engineering Materials   625(4) 378-383   2014年8月   [査読有り]
Wataru Takahashi, Hiroyuki Sasahara , Hiromasa Yamamoto, Yuji Takagi
Key Engineering Materials   625(4) 564-569   2014年8月   [査読有り]
Development of Multi-Axis Micro Sawing Machine for Free-Form Curves Cutting Using Flexible Circular Saw
Yohei Yamada and Hiroyuki Sasahara
Proc. 15th ICPE 2014   114-117   2014年7月   [査読有り]
Effect of Rake Angle on the Finish Cutting of the Enhanced Layer Made by Frictional Stir Burnishing
Yuusuke Yamada, Yoshimasa Takada and Hiroyuki Sasahara
Proc. 15th ICPE 2014   57-60   2014年7月   [査読有り]
Estimation of workpiece flow stress and friction for FEM simulation of high-speed orthogonal cutting process
Norfariza Wahab and Hiroyuki Sasahara
Proc. 15th ICPE 2014   184-187   2014年7月   [査読有り]
Estimation of workpiece flow stress and friction for FEM simulation of high-speed orthogonal cutting process using inverse calculation method
Norfariza Wahab and Hiroyuki Sasahara
Proc.ISCIE/ASME 2014 International Symposium on Flexible Automation   CD-ROM #106L   2014年7月   [査読有り]
Yohei Yamada and Hiroyuki Sasahara
Precision Engineering   38(3) 611–616   2014年7月   [査読有り]
On-demand surface enhancements by friction stir burnishing
Yoshimasa Takada and Hiroyuki Sasahara
Proc. 14th Int. Conf. EUSPEN   (2) 319-322   2014年6月   [査読有り]
Curved-line cutting using flexible circular saw -inclination angle control of machined surface-
Yohei Yamada and Hiroyuki Sasahara
Proc. 14th Int. Conf. EUSPEN   (2) 255-258   2014年6月   [査読有り]
Study on dissimilar metal fabrication with direct metal lamination by using arc discharge
Takeyuki Abe and Hiroyuki Sasahara
Proc. 14th Int. Conf. EUSPEN   (2) 117-120   2014年6月   [査読有り]
アーク放電を用いた溶融金属積層による3次元造形
笹原弘之,阿部壮志
レーザ協会誌   39(3) 29-36   2014年3月
The Effects of the Internal Coolant Supply through Grinding Wheel on the Grinding of CFRP
Tomoko Kikuma, Rei Koyasu, Yasuhiro Yao and Hiroyuki Sasahara
Proc. The 5th Int. Conf. of Asian Society for Precision Engineering and Nanotechnology   CD-ROM #1202   2013年11月   [査読有り]
FEM simulation on the effect of cutting parameters in the driven rotary cutting
Wataru Takahashi, Hiroyuki Sasahara , Hiromasa Yamamoto, Yuji Takagi
Proc. The 5th Int. Conf. of Asian Society for Precision Engineering and Nanotechnology   CD-ROM #1150   2013年11月   [査読有り]
Identification of flow stress applicable for FEM simulation of orthogonal cutting process
Norfariza Wahab, Yumi Inatsugu, Satoshi Kubota, Soo-Young Kim, and Hiroyuki Sasahara
Proc. The 5th Int. Conf. of Asian Society for Precision Engineering and Nanotechnology   CD-ROM #1112   2013年11月   [査読有り]
Control of the lamination height for accurate fabrication of shell structures by direct metal lamination using arc discharge
Takeyuki Abe, Hiroyuki Sasahara
Proc. The 5th Int. Conf. of Asian Society for Precision Engineering and Nanotechnology   CD-ROM #1073   2013年11月   [査読有り]
Evaluation of tool damage in rotary machining process using numerical simulation technique
Masaki Okuda, Hiroyuki Sasahara, Wataru Takahashi, Satoshi Kubota, Soo-Young Kim,
Proc. 7th Int. Conf. on LEM21   428-431   2013年11月   [査読有り]
Clarification of relationship between fiber orientation and tool wear in milling of CFRP
Daichi Murakami, Takeshi Yashiro and Hiroyuki Sasahara
Proc. 7th Int. Conf. on LEM21   277-280   2013年11月   [査読有り]
Effect of Finish Cutting on the Mechanical Properties of the Enhanced Layer Made by Frictional Stir Burnishing
Yuusuke Yamada, Yoshimasa Takada and Hiroyuki Sasahara
Proc. 7th Int. Conf. on LEM21   241-244   2013年11月   [査読有り]
Evaluation of Machining Characteristics on CFRP Straight-Line Cutting Using Flexible Circular Saw
Yohei Yamada, Nobuyuki Osumi, Kazuya Hatakeyama and Hiroyuki Sasahara
Proc. 7th Int. Conf. on LEM21   235-240   2013年11月   [査読有り]
Investigation of End Mill Geometry when Helical Milling CFRP/ Al Stacks
Erween Abd Rahim, Zazuli Mohid, Ahmad Fahmi Yusuf, Mohd Romadan Hamzah, Hiroyuki Sasahara, Rei Koyasu
Proc. 7th Int. Conf. on LEM21   13-17   2013年11月   [査読有り]
Kai Xu and Hiroyuki Sasahara
International Journal of Automation Technology   7(6) 751-759   2013年7月   [査読有り]
Takeshi Yashiro, Takayuki Ogawa and Hiroyuki Sasahara
International Journal of Machine Tools and Manufacture   70(7) 63–69   2013年7月   [査読有り]
Micromachining of Glass with Ultrasonic-vibration Table
Hiroyuki Sasahara, Kosuke Nagao, Kenichi Kumakura
Proc. 13th Int. Conf. EUSPEN   (2) 76-79   2013年5月   [査読有り]
多軸加工機による難削材の形状研削加工
笹原弘之
機械技術   61(4) 24-27   2013年4月
田中敬三,阿部壮志,吉丸玲欧,笹原弘之
日本機械学会誌論文集(C編)   79(800) 1168-1178   2013年4月   [査読有り]
八尾泰弘,李志,中江慶吾,笹原弘之
砥粒加工学会誌   57(4) 229-234   2013年4月   [査読有り]

Misc

 
Wataru Takahashi, Hiroyuki Sasahara, Hiromasa Yamamoto, Yuji Takagi
Key Engineering Materials   625 564-569   2015年1月
In this paper, the influence of machining parameter in the driven rotary cutting was examined by using finite element simulation. Three dimensional modeling of rotary cutting of Inconel 718 was conducted and then cutting force, temperature distrib...
Norfariza Wahab, Yumi Inatsugu, Satoshi Kubota, Soo Young Kim, Hiroyuki Sasahara
Key Engineering Materials   625 378-383   2015年1月
Nowadays, numerical simulation technique is very popular to estimate and predict the machining parameters such as cutting forces, stresses distribution, temperature and tool wear. The objective of this study is to determine the 0.45%C steel (JIS S...
Hiroyuki Sasahara, Kazuya Mizobe, Susumu Hara, Norio Kushihashi, Shigemi Shindo
Proceedings of the 15th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2015   377-378   2015年1月
Turbine disk is important parts of gas turbine engine or jet engine. However, the manufacturing process of turbine disk is complicated. It needs several times of changeover and expensive equipments. Then, we developed a novel machining method for ...
Nagatoshi Nakatsuka, Yudai Hirai, Atsushi Kusakabe, Yasuhiro Yao, Hiroyuki Sasahara
Advanced Materials Research   1017 33-37   2014年1月
© (2014) Trans Tech Publications, Switzerland. We explored the effect of supplying coolant from the inner side of a grinding wheel on the residual stress caused by grinding. Effect of depth of cut on grinding temperature and residual stress was al...
Kosaku Matsubara, Kosaku Matsubara, Jun Tsuchimura, Shota Kawazoe, Hiroyuki Sasahara
Advanced Materials Research   1017 50-54   2014年1月
© (2014) Trans Tech Publications, Switzerland. Generally, grinding fluid is supplied from a nozzle to a grinding point. However, it is difficult to supply sufficient coolant to the deep grinding point of a hole. Therefore, we have proposed an alte...
Yohei Yamada, Hiroyuki Sasahara
Precision Engineering   38 611-616   2014年1月
A flexible circular saw, which can be used in a novel machining process for high-speed carbon fiber-reinforced plastic (CFRP) plate cutting, was developed. In this process, the saw is deflected like a bowl-like shape. A cross-section of the saw bo...
Yoshimasa Takada, Hiroyuki Sasahara
Conference Proceedings - 14th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2014   2 319-322   2014年1月
In this study the novel surface enhancement technology named friction stir burnishing (FSB) is applied to 0.45% carbon steel. The FSB process can be conducted using the conventional machine tool which has the tool spindle such as a machining cente...
Hiroyuki Sasahara, Tomoko Kikuma, Rei Koyasu, Yasuhiro Yao
Precision Engineering   38 775-782   2014年1月
Carbon fiber reinforced plastic (CFRP) is widely used in the aerospace industry due to its high specific strength and elastic modulus. When cutting CFRP with tools such as an endmill, problems such as severe tool wear, delamination, and burrs in t...
Kai Xu, Hiroyuki Sasahara
International Journal of Automation Technology   7 751-759   2013年11月
Textured surfaces play a decisive role in the development of many advanced fields. This study describes a new strategy for efficiently machining textured surfaces with regularly aligned cutter marks on a certain surface using a ball-end milling te...
Takeshi Yashiro, Takayuki Ogawa, Hiroyuki Sasahara, Hiroyuki Sasahara
International Journal of Machine Tools and Manufacture   70 63-69   2013年5月
The measurement of cutting temperature is important when dealing with carbon fiber-reinforced plastics (CFRPs). Temperatures higher than the glass-transition temperature of the matrix resin are not favorable as they damage the CFRP. In this resear...
H. Sasahara, K. Nagao, K. Kumakura
Proceedings of the 13th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2013   2 76-79   2013年1月
A soda-lime glass is machined with using an ultrasonic-vibration table and the loading of the chips to the grinding tool and machined surface quality are compared with conventional micromachining. It was found that by applying the ultrasonic vibra...
Kai Xu, Hiroyuki Sasahara
Key Engineering Materials   523-524 54-57   2012年12月
This study describes a new machining strategy to make regularly aligned cutter marks on free-form surface efficiently for increasing the added value of industrial product. While the free-form surface is divided into many small patch segments emplo...
Zhi Li, Yasuhiro Yao, Keigo Nakae, Hiroyuki Sasahara
Key Engineering Materials   523-524 125-130   2012年12月
In this research, the temperature rise of the machined layer during surface grinding using a fluid supplying system from inside of grinding wheel is measured. Compared with the conventional fluid supply from an external nozzle, the grinding fluid ...
Takeyuki Abe, Masato Katagiri, Hiroyuki Sasahara
Proceedings - ASPE 2012 Annual Meeting   296-299   2012年12月
Hiroyuki Sasahara, Mitsuru Shimomura
Proceedings - ASPE 2012 Annual Meeting   445-448   2012年12月
Yohei Yamada, Nobuyuki Osumi, Akio Takasugi, Hiroyuki Sasahara
Proceedings - ASPE 2012 Annual Meeting   136-139   2012年12月
E. A. Rahim, Z. Mohid, M. F M Jamil, K. C. Mat, R. Koyasu, H. Sasahara
Advanced Materials Research   576 68-71   2012年11月
Generate borehole by helical milling process may be used effectively since accurate location of the hole may be secured by means of the feed screw graduations. Fiber delamination which is the main defect occurred during hole making process on carb...
E. A. Rahim, Z. Mohid, K. C. Mat, M. F M Jamil, R. Koyasu, H. Sasahara
Advanced Materials Research   576 64-67   2012年11月
This paper presents an alternative way of producing a hole by using a helical milling concept on a carbon fiber reinforced polymer (CFRP). Delamination is a major problem associated with making a hole by drilling on the CFRP. This study focused on...
Yohei Yamada, Nobuyuki Osumi, Akio Takasugi, Hiroyuki Sasahara
Journal of Advanced Mechanical Design, Systems and Manufacturing   6 971-978   2012年9月
We propose a flexible circular saw for high-speed cutting of curved lines in carbon fiber-reinforced plastic (CFRP). A conventional circular saw is appropriate for straight line cutting, but it cannot be applied to curved line cutting because of t...
Takashi Matsumura, Haruhisa Sakamoto, Hiroyuki Sasahara, Hayato Yoshioka
Journal of Advanced Mechanical Design, Systems and Manufacturing   6 752   2012年9月
Takeyuki Abe, Hiroyuki Sasahara
International Journal of Automation Technology   6 611-617   2012年9月
Arc welding technology has been used to melt metal, and a fabrication system for three-dimensional metallic parts has been developed around it: direct metal lamination using arc discharge. Here, the relationship between residual stress in the shel...
Yasuhiro Yao, Li Zhi, Keigo Nakae, Hiroyuki Sasahara
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   78 710-715   2012年8月
Grinding fluid is generally supplied from the supplying nozzle to the grinding point. However, if the amount of the grinding fluid is decreased, it is difficult to reach the grinding wheel because the air layers which rotate with periphery of grin...
Hiroyuki Sasahara, Keizo Tanaka, Reo Yoshimaru
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   78 415-419   2012年5月
In this research, an arc welding technology has been applied to melt the metal and accumulate layer by layer for the fabrication of three dimensional metallic objects such as the machine parts and molds. In this paper, the effect of fabrication pa...
Kan Ding, Hiroyuki Sasahara
Advanced Materials Research   472-475 991-996   2012年3月
In the cylinder of a sleeveless engine, molten iron-based alloy is directly sprayed onto the aluminum engine block instead of the previously used cast iron cylinder liner. However, a thermal spraying cylinder liner exhibits poor machining performa...
H. Sasahara, K. Kuroda, K. Xu, H. Matsuda
Proceedings of the 12th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2012   2 501-504   2012年1月
This study describes a new machining strategy to make a regularly aligned micro dimples or grooves by a micro milling process. A patch division milling technique is used in this study. The spacing and the depth of the grooves can be controlled by ...
Erween Rahim, Takayuki Ogawa, Akihiko Miura, Hiroyuki Sasahara, Rei Koyasu, Yasuhiro Yao
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
Carbon fiber reinforced polymer composites (CFRP) is being used extensively in the aircraft industry. This study is aimed to evaluate the influence of the drill geometry on thrust force, delamination factor as well as cutting temperature when dril...
Yohei Yamada, Nobuyuki Osumi, Akio Takasugi, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
In this paper, a flexible circular saw is applied to curved line cutting of a plate. In this process, the circular saw is deflected like a bowl by pushing the center of the circular saw on the circular rest. The curved line can be cut by the bowl-...
Kentaro Satake, Hiromasa Yamamoto, Hiroyuki Sasahara, Masaomi Tsutsumi, Toru Narita, Toshiyuki Muraki
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
Cutting point temperature and tool wears during a driven rotary tool was examined in this paper. Dry and MQL tests of stainless steel (SUS304) were carried out. We measured the cutting point temperature by using tool-work-thermocouple method and t...
Takeshi Yashiro, Takayuki Ogawa, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
The measurement of cutting temperature is important when dealing with CFRP. High temperature beyond the glass-transition temperature of the matrix resin is not favorable as it gives some damages on the CFRP. In this research, temperature is measur...
共著者 Hiroyuki SASAHARA, Toshiyuki OBIKAWA,Takahiro SHIRAKASHI
Journal of Materials Processing Techology, Elsevier   62(4) 448-453   1996年12月
The cutting process of the affected layer is simulated by FEM and the influence of cutting sequence on residual stress and strain are discussed in this report. The residual stress and strain after machining in the workpiece are affected by the flo...
Erween Abd Rahim, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
The main objective was to study the potency of palm oil as an MQL lubricant in the drilling of this material. Investigation revealed that the MQLPO (palm oil) produced lower thrust forces and drill temperatures than the MQLSE (synthetic ester). Th...
Kai Xu, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
A textural pattern is used to obtain physical and optical functions, and it is also possible to improve an ornamental design. This study describes a new machining strategy that utilizing patch division milling, In order to obtain regularly aligned...
共著者 Toshiyuki OBIKAWA, Hiroyuki SASAHARA,Takahiro SHIRAKASHI, Eiji USUI
Trans. ASME. J. Manuf. Sci. Eng.   119 667-674   1997年11月
A finite element modeling is developed to simulate and visualize the discontinuous chip formation in the orthogonal cutting of 60 percent Cu-40 percent Zn brasses. A ductile fracture criterion expressed as a function of strain, strain rate and hyd...
Takeyuki Abe, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
In this research, an arc welding technology has been applied to melt the metal, and the fabrication system for three dimensional metallic parts, direct metal lamination using arc discharge, has been developed. In this paper, residual stress in the...
Kan Ding, Syuuji Adachi, Kimio Nishimura, Satoru Kukino, Makoto Setoyama, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
In the cylinder liner of a sleeveless engine, molten iron-based alloys are directly sprayed onto the aluminum engine block instead of the previously used cast iron cylinder liner. However, a thermal spraying cylinder liner exhibits poor machining ...
Yoshimasa Takada, Hiroyuki Sasahara
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
In this study, the Frictional Stir Burnishing (FSB) process is applied to the cylindrical bar of 0.45%C steel. The FSB is a process where the burnishing tool rotates at high revolution speed. Then the thin surface layer is rubbed and stirred with ...
Erween Rahim, Takayuki Ogawa, Akihiko Miura, Hiroyuki Sasahara, Rei Koyasu, Yasuhiro Yao
Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011      2011年12月
In recent year researchers and industries are trying to reduce the delamination factor when drilling of carbon fiber reinforced plastic (CFRP). Tool geometry design and process parameters were the main factors in the previous investigation. In par...
E. A. Rahim, E. A. Rahim, H. Sasahara
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture   225 1505-1511   2011年9月
Minimum quantity lubrication (MQL) machining involves the application of small quantity of lubricant to the tool-workpiece interface. This paper describes the results of an investigation on the effects of using different MQL lubricants (synthetic ...
E. A. Rahim, E. A. Rahim, H. Sasahara
Tribology International   44 309-317   2011年3月
The main objective was to study the potency of MQL palm oil (MQLPO) as a lubricant in the high speed drilling of Ti6Al4V. For the comparison, MQL synthetic ester (MQLSE), air blow and flood conditions were selected. Uniform flank wear, micro-chipp...
Hiromasa Yamamoto, Kentaro Satake, Hiroyuki Sasahara, Toru Narita, Masaomi Tsutsumi, Toshiyuki Muraki
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   77 317-321   2011年3月
In rotary cutting of Inconel718 (AMS5663), which is solution treated and age-hardened to HRC 45, this study clarifies the cutting speed achieving bom higher efficiency and longer tool life, and prevents adhesions on the cutting edge and machined s...
Hiroyuki Sasahara, Guihong Jin, Masahiko Jin, Masao Murakawa
Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   70 1843-1848   2004年6月
The effects of cutting atmosphere and the repetition of intermittent contact-uncontact of toolchip interface on cutting force and chip formation were examined on the case of 50 Hz vibration cutting. To confirm which matter in the air degrades the ...
Hiroyuki SASAHARA, Toshiyuki OBIKAWA, Takahiro SHIRAKASHI
International Journal of Machine Tools and Manufacture, Elsevier   44(7/8) 815-822   2004年6月
The variation of surface residual stress within a machined surface layer caused by face turning was studied. The size of the tool's corner radius and the feed rate affect residual stress. A process model using the finite element method is proposed...
Erween A. Rahim, Erween A. Rahim, Hiroyuki Sasahara
Machining Science and Technology   15 76-90   2011年1月
The components being manufactured in the aerospace industry must be capable of being utilized for long periods without failure. Thus, the functional behavior of these machined components is greatly dependent upon their surface integrity. The prese...
福田理明, 笹原弘之, 松田礼, 堤正臣
精密工学会誌(CD-ROM)   76(1) 111-115   2010年1月
笹原弘之, 松丸哲史, 上岡利人, 田中敬三, 吉丸玲欧
日本機械学会論文集 C編   75(757) 2435-2439   2009年9月
Toshiaki SEGAWA, Hiroyuki SASAHARA, Masaomi TSUTSUMI
International Journal of Machine Tools and Manufacture   44(11) 1215-1221   2004年9月
Generally, critical machined parts such as aircraft parts require high fatigue strength and resistance to stress corrosion cracking. These machined parts almost all usually have tensile residual stress within the machined surface after milling. Ho...
CHOI Joonmyeong, 下村充, 笹原弘之
日本機械学会論文集 C編   75(757) 2404-2409   2009年9月
伊藤尚功, DASSANAYAKE K. M. Muditha, 五十嵐大輔, 笹原弘之
日本機械学会論文集 C編   75(757) 2475-2482   2009年9月
Joonmyeong Choi, Mitsuru Shimomura, Hiroyuki Sasahara
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   75 2404-2409   2009年9月
In the metal cutting, a mechanical energy is transformed into the heat. The heat flows into workpiece, chip and tool. It will cause the thermal expansion. After the machining, the workpiece temperature decreases to normal temperature and then the ...
Hiroyuki Sasahara, Tetsushi Matsumaru, Toshihito Kamioka, Keizo Tanaka, Reo Yoshimaru
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   75 2435-2439   2009年9月
A direct metal rapid fabrication process using an arc welding is developed. This methodology is based on the layer manufacturing process of the molten metals supplied by the arc discharge. In this report, it is shown that the overhanging shape con...
Hiroshi Nakajima, Atsushi Kato, Hiroyuki Sasahara, Hiromasa Yamamoto, Toshiyuki Muraki, Masaomi Tsutsumi
Journal of Advanced Mechanical Design, Systems, and Manufacturing   2(4) 532-539   2008年
Ryuji Iwashita, Hiroyuki Sasahara
Journal of Advanced Mechanical Design, Systems, and Manufacturing   2(4) 711-718   2008年
Temperature History and Metallographic Structure of 0.45%C Steel Processed by Frictional Stir Burnishing
Satoshi Kiuchi and Hiroyuki Sasahara
Proc. 5th Int. Conf. on LEM21, Kitakyushu   359-364   2009年
Thermal Behavior and Chip formation on Rotary Cutting of Difficult-to-cut Materials Utilizing Multi Tasking Lathe and MQL
Hiromasa Yamamoto, Kentaro Satake, Toru Narita, Hiroyuki Sasahara, Masaomi Tsutsumi and Toshiyuki Muraki
Proc. 5th Int. Conf. on LEM21, Kitakyushu   661-666   2009年
Hiroshi Matsuda, Hiroyuki Sasahara, Masaaki Fukuda and Masaomi Tsutsumi
Journal of Advanced Mechanical Design, Systems, and Manufacturing   2(4) 504-512   2008年
Performance of Palm Oil as MQL Fluid During High Speed Drilling of Ti-6Al-4V
Erween Abd Rahim and Hiroyuki Sasahara
Proc. 5th Int. Conf. on LEM21, Kitakyushu   319-324   2009年
Hiroshi Matsuda, Hiroyuki Sasahara, Masaomi Tsutsumi
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   73 355-359   2007年12月
Surface topography is generated by the cutter marks of ball-end mill. It has been reported that the surface topography is determined by the eccentricity and tilting angle of tool axis and phase difference of cutting edges. However, the surface top...
Ryuji Iwashita, Hiroyuki Sasahara
LEM 2007 - 4th International Conference on Leading Edge Manufacturing in 21st Century, Proceedings      2007年12月
For the planarization process of LSI wafers, metal bumps covered with polymer glue are machined with a diamond tool. In this study, the deformation process and temperature field in this process are analytically simulated with FEM. In order to anal...
Hiroshi Matsuda, Hiroyuki Sasahara, Masaaki Fukuda, Masaomi Tsutsumi
LEM 2007 - 4th International Conference on Leading Edge Manufacturing in 21st Century, Proceedings      2007年12月
A textural surface pattern is used to add a physical or decorative function to an object's surface. We have proposed a milling technique involving patch division that can quickly generate a geometric surface pattern using a common profile-forming ...
Hiroyuki Sasahara, Shohei Nagao, Masahisa Chino
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   73 2619-2624   2007年9月
Almost holes such as cooling channels of a mold or hydraulic equipments are machined by drilling process. It is desirable to establish a cooling channel located within a constant distance along a curved surface of a cavity or a core. However, the ...
Hiroyuki Sasahara, Shingo Ishizaka
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   72 2634-2640   2006年8月
Most of work materials consist of multi phase and poly crystals. Each phase has different material property in multi phase alloys. When multi phase alloy is machined, the difference of material property of each phase affects the cutting mechanism....
K. Okamura, H. Sasahara, T. Seaawa, M. Tsutsumi
LEM 2005 - 3rd International Conference on Leading Edge Manufacturing in 21st Century   491-496   2005年12月
Diy drilling of composite/metallic stacks for aircraft components is extremely difficult to keep sufficient hole quality and efficiency of drilling process. Problems of the dry drilling of the stacks are chip ejection, chip formation and high temp...
Masahisa Chino, Hiroyuki Sasahara, Atsushi Doi, Makoto Takizawa, Masaomi Tsutsumi
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   71 713-718   2005年2月
Layered manufacturing process using both sheet metal and polymers is proposed and the fabrication system using this method is developed in this paper. By using sheet metal and polymers, high strength parts with high dumping functions, suitable for...
Hiroyuki Sasahara, YuLong Tang
Progress of Machining Technology - Proceedings of the Seventh International Conference on Progress of Machining Technology, ICPMT'2004   769-774   2004年12月
On a fine boring process of the cylinder of the engine block, the machining tolerance is going to be very severe in these days. One of the main causes of the machining error in the fine boring is thermal expansion of the cylinder. As the cutting e...
Hiroyuki Sasahara, Koji Ito, Masaomi Tsutsumi
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   69 1749-1753   2003年12月
This paper describes an optimization method of cutting conditions of milling process by analytical approach with the aid of a tool database system. First of all, a database system for milling operations is proposed. This database system can store ...
Hiroyuki Sasahara
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   69 1124-1128   2003年8月
Dynamic cutting processes, such as wave removal operation and wave generation operation, were analyzed by elastic-plastic finite element method. Variation of undeformed chip thickness affects chip-forming process. Shear angle varies about 15° in w...
Hiroyuki Sasahara, Makoto Kawasaki, Masaomi Tsutsumi
Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   69 2156-2161   2003年8月
MQL is applied to the helical feed milling hole-making process of aluminum alloy. It is difficult to drill on aluminum alloy without cutting fluid because the adhesion to the tool leads to a chip jam, the tool breakage or low accuracy. By employin...
Hiroyuki Sasahara, Fuminori Mizutani, Masaomi Tsutsumi
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   66 80-84   2000年1月
Oil-mist lubrication system supplies very small quantity of oil with compressed air to endmill from a nozzle. Vegetable oil without any harmful substance is used in this paper. Thus troubles such as environmental pollution or deterioration of work...
H. Sasahara, T. Obikawa
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   64 1083-1087   1998年7月
When two phase alloys are machined with very small depth of cut that is about the same as grain size, the difference in material properties greatly affects the microscopic deformation of each phase in the shear zone. In this paper, machining proce...
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   61 1453-1457   1995年10月
The orthogonal cutting process of the affected layer was simulated by FEM and the influence of the cutting conditions in previous cutting on residual stress and strain in the newly machined surface layer is investigated in this report. In the cutt...
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   60 1801-1805   1994年12月
The analytical method for the prediction of the mechanical state of machined surface layer was proposed. The residual stress and strain are caused by both the mechanical and the thermal state of cutting processes. Thus elastic-plastic deformation ...
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi, Eiji Usui
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   60 565-569   1994年4月
Finite amplitude chatter vibration can be attributed to the non-linearities of cutting processes and machine tools. It was reported in the previous paper that shear localized chip formation during chatter vibration reduces the input energy from cu...
Takahiro Shirakashi, Toshiyuki Obikawa, Hiroyuki Sasahara, Takeshi Wada
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   59 2003-2008   1993年12月
The effect of tool rake angle and friction characteristics of tool face on residual stress distribution within machined sublayer was investigated based on FEM simulation proposed in the previous paper. Within the machined top surface by a sharp ed...
Takahiro Shirakashi, Toshiyuki Obikawa, Hiroyuki Sasahara, Takeshi Wada
Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   59 1695-1700   1993年10月
The analytical method for prediction the mechanical state of the machined surface with FEM was proposed. The flow type chip formation process at low velocity was simulated. As flow type chip formation process is one of the large deformation proble...
共著者 笹原弘之,帯川利之,白樫高洋
精密工学会誌   59(8) 1275-1280   1993年
共著者 白樫高洋,帯川利之,笹原弘之,和田武司
精密工学会誌   59(12) 2003-2008   1993年
Control of Residual Stress within Machined Surface Layer in Face Turning
共著者 Hiroyuki SASAHARA, Toshiyuki OBIKAWA, Takahiro SHIRAKASHI
Proc. U.S. -Japan Symposium on High-Efficiency Damage-free Finishing of Advanced Materials, Oklahoma, U.S.A.   71-82   1999年
共著者 笹原弘之,水谷文則,堤正臣
精密工学会誌   66(1) 80-84   2000年
A Study of Compressive Residual Stress on the Machined Surface of Aluminum Alloy
共著者 Toshiaki SEGAWA, Hiroyuki SASAHARA,Masaomi TSUTSUMI
Proc. ICPMT'2002      2003年
機械工学年鑑(1996年)加工学・加工機器
共著者 庄司克雄,笹原弘之,山口ひとみ,ほか10名
日本機械学会論文集(C編)   63(612) 2586-2595   1997年
笹原弘之
精密工学会誌   68(7) 895-898   2002年
IMTS2002における技術動向
笹原弘之
こうさく   37 33-42   2002年
SASAHARA H
International Journal of Machine Tools and Manufacture   45(2) 131-136   2005年2月
The affected layer is generated within the machined surface layer through the cutting process. Cutting conditions such as the nose radius of the tool, feed rate and shape of cutting edge at the finishing operation affect the residual stress, surfa...
Estimation of Residual Stress Distribution in Machined Surface and its Control through FEM Simulation
共著者 Takahiro SHIRAKASHI, Toshiyuki OBIKAWA Hiroyuki SASAHARA
Proc. 4th International ESAFORM Conference on Material Forming, Vol.2, Liege, Belgium   639-641   2001年
切削加工時の残留応力と形状精度の解析的予測・制御に関する研究
東京工業大学      1996年
共著者 臼井英治,帯川利之,笹原弘之,白樫高洋
精密工学会誌   56(4) 661-666   1990年
共著者 帯川利之,笹原弘之,臼井英治
精密工学会誌   58(12) 2051-2056   1992年
共著者 帯川利之,田口克之,笹原弘之,白樫高洋,臼井英治
精密工学会誌   59(5) 821-826   1993年
Hiroyuki SASAHARA, Masahisa CHINO, Masaomi TSUTSUMI
International Journal of Advanced Manufacturing Technology, Springer   27(3-4) 268-273   2005年12月
Layered manufacturing enables us to make 3D objects rapidly and directly from 3D-CAD data and enables us to handle any design changes. But materials such as light cured polymers, paper, or wax don't have enough strength to be used directly as mech...
Finite Element Modeling of Machining with a Helical Endmill
共著者 Toshiyuki OBIKAWA, Jun SHINOZUKA,Hiroyuki SASAHARA,他4名
Proc. 5TH ICPMT, Beijing   715-720   2000年
Tang Yu Long and Hiroyuki SASAHARA
International Journal of Machine Tools and Manufacture   47(14) 2162-2171   2007年11月
Research was conducted on the effect of cutting conditions on temperature rise of cylinder liner during cylinder-boring process. A finite element method (FEM) model was developed to confirm suitable cutting conditions by predicting the temperature...
共著者 笹原弘之,田渕比奈子,神雅彦,村川正夫
日本機械学会誌論文集(C編)   67(654) 541-546   2001年
共著者 笹原弘之,帯川利之,白樫高洋,臼井英治
精密工学会誌   60(4) 565-569   1994年
Analysis of Tool Temperature in High-speed Milling
共著者 Hiroyuki SASAHARA, Kazufumi NISHI,Takehiko NITTA
Initiatives of Precision Engineering at The Beginning of a Millenium, ed. I. Inasaki, Kluwer Academic Publishers, (Proc. 10th ICPE, Yokohama)   279-283   2001年
Kiyoshi OKAMURA, Hiroyuki. SASAHARA, Toshiaki SEGAWA, Masaomi TSUTSUMI
JSME International Journal, Series C   49(1) 76-82   2006年9月
Dry drilling of composite/metallic stacks for aircraft components is extremely difficult to keep sufficient hole quality and efficiency of drilling process. Problems of the dry drilling of those kinds of stacks are chip ejection, chip formation an...
切削加工変質層生成過程のシミュレーション解析(第3報)
共著者 笹原弘之,帯川利之,白樫高洋
精密工学会誌   60(12) 1901-1805   1994年
共著者 笹原弘之,帯川利之,白樫高洋
精密工学会誌   61(10) 1453-1457   1995年
Finite Element Modeling of Residual Stress Control on Machined Surface
共著者 Hiroyuki SASAHARA, Toshiyuki OBIKAWA,Takahiro SHIRAKASHI
Transactions of The North American Manufacturing Recearch Institute of SME   XXV 213-218   1997年
共著者 笹原弘之,帯川利之
精密工学会誌   64(7) 1083-1087   1998年
Rapid Manufacturing System by Sheet Steel Lamination
共著者 Toshiyuki OBIKAWA, Masahiko YOSHINO,Hiroyuki SASAHARA, 他3名
Proc. 14th International Conference on CAPE'98, Tokyo   265-270   1998年

書籍等出版物

 
機械加工学基礎
笹原弘之 (担当:共著)
コロナ社   2018年6月   ISBN:978-4-339-0
はじめての生産加工学2 応用加工技術編
笹原弘之 (担当:共著)
講談社   2016年6月   ISBN:978-4-156556-2
はじめての生産加工学1 基本加工技術編
笹原弘之 (担当:共著)
講談社   2016年6月   ISBN:978-4-156550-0
「新たなものづくり」3Dプリンタ活用最前線 基盤技術次世代型開発から産業分野別導入事例,促進の取組みまで (分担,低コストアーク溶接積層方式3Dプリンタの開発)
笹原弘之,阿部壮志(分担) (担当:共著)
エヌティーエス   2015年12月   
はじめての工作機械・副読本 (分担,複合加工機によるロータリ切削)
笹原弘之(分担) (担当:共著)
ニュースダイジェスト社   2012年5月   

講演・口頭発表等

 
アーク溶接による造形の試み~アーク放電を用いた溶融金属積層による迅速な高強度3次元造形~
笹原弘之
溶接接合工学振興会第27回セミナー 3次元造形(3DP,RP, AM)の最前線   2016年10月18日   溶接接合工学振興会
High Quality Machining of the CFRP with Hyper Grinding [招待有り]
R.Koyasu, K. Suzuki and H.Sasahara
2nd IC3MT   2016年10月7日   JSPE
Effect of Tip Shape of Burnishing Tool on processed surface of S45C on Frictional Stir Burnishing [招待有り]
Y. Hiratsuka, H. Sasahara and Y. Takada
2nd IC3MT   2016年10月7日   JSPE
Characteristics of machined surface and tool failure on CFRP cutting by circular saw [招待有り]
Y. Sukegawa, H. Sasahara and Y. Yamada
2nd IC3MT   2016年10月7日   JSPE
Effect of grinding wheel specifications on the grinding wheel surface temperature and the surface roughness for coolant supplying system from inter side of grinding wheel, [招待有り]
Y. Fukuhara, S. Suzuki and H. Sasahara
19th ISAAT   2016年10月2日   JSAT,ICAT

Works

 
溶接積層材に高温高荷重に耐えうる強度を付与する技術に関する研究
2007年7月 - 2008年5月
CFRP複合材切削に関する研究
芸術活動   2009年5月 - 2010年3月
せん断加工および切削加工現象のFEM解析
芸術活動   
アルミニウム合金切削加工面への圧縮残留応力生成に関する解析
芸術活動   
機械加工におけるエネルギー効率最大化のための機械加工技術及び最適化スキームの研究開発
芸術活動   

競争的資金等の研究課題

 
機上計測と工具の機上成形機能を兼ね備えた超精密自律型工作機械の開発
研究期間: 2017年 - 2017年
ワイヤー+アーク放電方式による金属材料の付加加工における形状精度と健全性
研究期間: 2016年 - 2018年
機上計測と工具の機上成形機能を兼ね備えた超精密自律型工作機械の開発
研究期間: 2016年 - 2016年
酢酸ナトリウム水溶液の過冷却現象を利用した柔軟・難把持工作物への複雑形状創成
研究期間: 2015年 - 2015年
機上計測と工具の機上成形機能を兼ね備えた超精密自律型工作機械の開発
研究期間: 2015年 - 2015年