Results 11 to 20 of about 3,296 (214)
Cryogenic Minimal Quantity Lubrication Assisted Cutting Process for Polyimide Materials
The cutting performance of the porous polyimide material assisted by cold air trace lubrication was investigated, and the influence law of cutting process parameters on the cutting effect (cutting force, surface finish quality, and oil content) of the ...
CAO Zheng, LEI Xuelin, ZHANG Hang, CAI Xiaojiang
doaj +1 more source
To study the influence of orifice spacing on the oil–air two-phase flow and the oil capture efficiency of an oil scoop in an under-race lubrication system, an experimental platform for under-race lubrication was built, and a calculation model for the oil–
Le Jiang +5 more
doaj +1 more source
Numerical Investigation of Oil–Air Flow Inside Tapered Roller Bearings with Oil Bath Lubrication [PDF]
Oil–air flow within an oil bath lubrication tapered roller bearing is essential for the lubrication and cooling of the bearing. In this paper, we develop a simulation model to investigate the flow field of tapered roller bearings with oil bath ...
Z. Wang +5 more
doaj +1 more source
At present, the thermal analysis of oil-air-lubricated angular-contact ball bearings uses empirical heat transfer coefficients to calculate heat transfer.
Miaomiao Li +3 more
doaj +1 more source
A multiphase flow study for lubrication characteristics on the internal flow pattern of ball bearing
This work proposes a general method for establishing the lubrication analysis model of ball bearing and the oil-air multiphase flow characteristics inside ball bearing is revealed by CFD. Based on the geometric feature, the micro-clearance in the chamber
Wentao Shan +5 more
doaj +1 more source
The key technology of lubrication for screw motor in air directional drilling
When the air directional drilling technology is used for drilling construction, whether the screw motor can be well lubricated is a key factor affecting its life.
LI Kun
doaj +1 more source
CFD Investigation on Oil Injection Lubrication of Meshing Spur Gears via Lattice Boltzmann Method
The meshless Lattice Boltzmann Method (LBM) is introduced and employed to solve the complex two-phase flow problem of jet lubrication of meshing spur gears. Computational fluid dynamics (CFD) simulations based on LBM are carried out using the model of an
Xiaozhou Hu +3 more
doaj +1 more source
Oil–air lubrication has proven to be very effective for high-speed bearings because the oil supply in the form of droplets can be precisely controlled. This work uses optical interferometry to study the mechanism of lubricating film formation in rolling ...
Chenglong Liu +4 more
doaj +1 more source
Machining response of Ti64 alloy under Nanofluid Minimum Quantity Lubrication (NFMQL) [PDF]
Rapid wear progression of cutting insert associated with attainment of excessive tool-tip temperature are indispensable causes which limit operational domain of cutting velocity during dry turning of Ti64 alloy.
Sahoo Sarthak Prasad, Datta Saurav
doaj +1 more source
Lubrication and cooling in hard machining is an urgent and growing concern. The use of a suitable cooling lubrication condition is a crucial factor and has a great influence on the machining efficiency and the machined surface quality in hard machining ...
Ngo Minh Tuan +2 more
doaj +1 more source

