Title:
LIGHTWEIGHT TOOL HOLDER CAPABLE OF VIBRATION DAMPING, AND MACHINE TOOL HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/074922
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a lightweight tool holder capable of vibration damping. The lightweight tool holder capable of vibration damping according to an embodiment of the present invention comprises: a tool fixing part to which a tool is coupled; a spindle coupling part connected to the tool fixing part and coupled to a spindle; and a lightweight vibration attenuation part formed by stacking metals between the tool fixing part and the spindle coupling part. The lightweight vibration attenuation part comprises: a plurality of first metal layers stacked to be distanced from one another; and second metal layers comprising a plurality of support bars connecting between the plurality of first metal layers. The lightweight vibration attenuation part is formed by 3D printing.
Inventors:
NAM JUNG SOO (KR)
KIM TAE GON (KR)
KIM SEONG HYEON (KR)
LEE SEOK WOO (KR)
SHIN KANG U (KR)
KIM TAE GON (KR)
KIM SEONG HYEON (KR)
LEE SEOK WOO (KR)
SHIN KANG U (KR)
Application Number:
PCT/KR2021/015047
Publication Date:
May 04, 2023
Filing Date:
October 25, 2021
Export Citation:
Assignee:
KOREA INST IND TECH (KR)
International Classes:
B23B29/02
Domestic Patent References:
| WO2012084688A1 | 2012-06-28 |
Foreign References:
| KR20210018794A | 2021-02-18 | |||
| KR20180018666A | 2018-02-21 | |||
| US20160303660A1 | 2016-10-20 | |||
| CN113404806A | 2021-09-17 | |||
| KR20150083940A | 2015-07-21 | |||
| JP2003062735A | 2003-03-05 |
Attorney, Agent or Firm:
HAN, Sang Soo (KR)
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