Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Jooho, Hwang"'
Publikováno v:
In Procedia Manufacturing 2015 1:1-11
Autor:
Michael Gomez, Jooho Hwang, Seung-Kook Ro, Tony L. Schmitz, Jongyoup Shim, Jaydeep Karandikar, Andrew Honeycutt
Publikováno v:
Precision Engineering. 66:324-332
This paper describes the first uncertainty analysis for drilling stability using a frequency-domain drilling stability model. The stability model inputs include: the modal parameters for the torsional-axial vibration mode from the twist drill-holder-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9a0bd257ae355cf51bebb7889821fd0
https://doi.org/10.1016/j.precisioneng.2020.08.007
https://doi.org/10.1016/j.precisioneng.2020.08.007
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 21:1885-1902
In this study, a multi-objective optimization is performed for the design of a spindle-bearing system based on particle swarm optimization (PSO). Multiple objectives, such as natural frequencies, static stiffness, and total friction torque are consid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efbde99d9fbbdf5a38abe638e73e0bd1
https://doi.org/10.1007/s12541-020-00389-7
https://doi.org/10.1007/s12541-020-00389-7
Publikováno v:
Journal of the Korean Society for Precision Engineering. 37:615-624
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06680b99f8675c8b5752a5a51852246f
https://doi.org/10.7736/jkspe.020.018
https://doi.org/10.7736/jkspe.020.018
Publikováno v:
Asian Society for Precision Engineering and Nanotechnology (ASPEN 2022).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9047af9a4493728051b43f0ec62b53a6
https://doi.org/10.3850/978-981-18-6021-8_or-09-0158.html
https://doi.org/10.3850/978-981-18-6021-8_or-09-0158.html
Autor:
Park Chun Hong, Jooho Hwang
Publikováno v:
Journal of the Korean Society for Precision Engineering. 35:537-543
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1351dc7081cce77525fe56710862019
https://doi.org/10.7736/kspe.2018.35.5.537
https://doi.org/10.7736/kspe.2018.35.5.537
Publikováno v:
Journal of the Korean Society for Precision Engineering. 32:329-337
In this paper, a simulation based estimation method of energy consumption of the spindle and feed drives for the NC machine tool during the cutting process is proposed. To predict energy consumption of the feed drive system, position, velocity, accel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fd6efd0ad2762ff24f7111386474bb0
https://doi.org/10.7736/kspe.2015.32.4.329
https://doi.org/10.7736/kspe.2015.32.4.329
Publikováno v:
Journal of the Korean Society for Precision Engineering. 32:141-147
This paper deals with thermal characteristic analysis of induction motors for machine tool spindle for motion error prediction. Firstly, the inverse design of general induction motors for machine tool spindle has been performed by design principles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::311c54a991fd148192193943febd546f
https://doi.org/10.7736/kspe.2015.32.2.141
https://doi.org/10.7736/kspe.2015.32.2.141
Publikováno v:
Journal of the Korean Society for Precision Engineering. 32:149-157
Ball and roller bearings are commonly used machine elements for supporting rotating motion about shafts in simple devices including bicycles, in-line skates, and electric motors, as well as in complex machines. Heat is generated by the friction in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::041ab68bcfd956b317c82b42ff603d45
https://doi.org/10.7736/kspe.2015.32.2.149
https://doi.org/10.7736/kspe.2015.32.2.149
Publikováno v:
Journal of the Korean Society for Precision Engineering. 32:127-133
The error motion of a machine tool spindle directly affects the surface errors of machined parts. Those are usually due to the imperfectness of bearings, stiffness of spindle, assembly errors, external force or unbalance of rotors. The error motions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14729c5e4fdf42d89d40b9cca0f3ceab
https://doi.org/10.7736/kspe.2015.32.2.127
https://doi.org/10.7736/kspe.2015.32.2.127