Friction reduction on cylindrical surfaces by texturing with a piezoelectric actuated tool holder

Title
Friction reduction on cylindrical surfaces by texturing with a piezoelectric actuated tool holder
Author(s)
고태조쿠르니아완렌디
Keywords
LUBRICATED SLIDING CONTACT; TRIBOLOGICAL INTERFACES; THRUST BEARING; LASER; STEEL; WATER; SHAPE
Issue Date
201505
Publisher
KOREAN SOC PRECISION ENG
Citation
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.16, no.5, pp.861 - 868
Abstract
Friction reduction was investigated by making textured surfaces on outer cylindrical surfaces. The textured surfaces were manufactured by a piezoelectric tool holder actuator (PTHA), which was assembled in a lathe machine. Experimental and mathematical investigations were carried out. The experiments were carried out to investigate whether or not the textured surfaces could improve the lubrication performance of a cylindrical-contact planar surface. The textured surfaces were made on aluminum 6061 and carbon steel 1045 using vibration frequencies ranging from 50 Hz to 250 Hz. A block-on-ring tribometer was used in the experiments. A normal load of 50 N was applied with rotation speeds between 100 rpm and 1000 rpm. The experimental results show that the textured surfaces reduce the coefficient of friction by 20 to 40%. Also, this paper points out the limitation of the PTHA in fabricating various shapes as in the other methods.
URI
http://hdl.handle.net/YU.REPOSITORY/32420http://dx.doi.org/10.1007/s12541-015-0113-2
ISSN
2234-7593
Appears in Collections:
공과대학 > 기계공학부 > Articles
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