Results 71 to 80 of about 397,942 (159)
Thermally affected stiffness matrix of angular contact ball bearings in a high-speed spindle system
Advances in Mechanical Engineering, 2019 Bearing stiffness directly affects the dynamic characteristics in a high-speed spindle system and plays an important role in terms of manufacturing quality.
Dinh Sy Truong +2 more
doaj +1 more source
Lubrication Science, Volume 38, Issue 5, Page 301-326, August 2026.ABSTRACT Porous gas bearings (PGBs) enable high‐speed, oil‐free operation in modern rotating machinery. This study develops a coupled thermo‐hydrodynamic (THD) model for a cylindrical porous gas bearing lubricated with four working fluids—air, R‐134a, helium and hydrogen.
S. Bechiri, B. Bouchehit, B. Bou‐Saïd
wiley +1 more source
Advanced Healthcare Materials, Volume 15, Issue 27, 17 July 2026.Spontaneous helical alignment of smooth muscle cells is induced within resistance‐vessel‐sized channels patterned within a hydrogel. The extent of the cells’ orientation angle is dependent on the presence and composition of ECM proteins lining the channel wall and cell seeding density.
Victoria D. Vest +5 more
wiley +1 more source
FRACTURE ANALYSIS AND IMPROVEMENT RESEARCH OF CUTTING SPINDLE FOR A BOOM ROADHEADER
Jixie qiangdu, 2018 In order to find out the cause of the fracture of the cutting spindle as one of the key components of a cantilever roadheader, and to solve this fracture problem, this paper analyzes it in multiple ways and proposes an improved scheme.
SONG Yu +4 more
doaj
Additive Manufacturing of Patient‐Specific Intracranial Aneurysm Cell Culture Models
Advanced Materials Technologies, Volume 11, Issue 13, 8 July 2026.Patient‐specific intracranial aneurysm models were fabricated using chocolate moulding, 3D printed water‐soluble cores, and direct resin 3D printing. Moulding PDMS around sacrificial cores made of chocolate or 3D printed water‐soluble resin yielded accurate, expandable, and endothelializable models that outperformed resin‐based approaches.
Chloe M. de Nys +6 more
wiley +1 more source
Shock and Vibration, 2020 By analyzing nonlinear and nonstationary vibration signals from the spindle device of the mine hoist, it is a challenge to overcome the difficulty of fault feature extraction and accurately identify the fault of rotor-bearing system.
Jun Gu +4 more
doaj +1 more source
CNC‐Printed Metasurface‐Based Device for Potential Application in pH Sensing
Advanced Sensor Research, Volume 5, Issue 7, July 2026.A CNC‐fabricated complementary split‐ring resonator metasurface enables portable microwave pH sensing through simple S₁₁ amplitude monitoring. In a half‐immersed configuration, the sensor distinguishes acidic, neutral, and alkaline aqueous solutions across a broad pH range, delivering reproducible performance with environmentally friendly fabrication ...
Z. Viskadourakis +5 more
wiley +1 more source
Stability analysis of machine tool spindle under uncertainty
Advances in Mechanical Engineering, 2016 Chatter is a harmful machining vibration that occurs between the workpiece and the cutting tool, usually resulting in irregular flaw streaks on the finished surface and severe tool wear.
Wei Dou, Xiaocong He, Biao Tang
doaj +1 more source
Dermatofibrosarcoma protuberans at an uncommon site
Indian Journal of Dermatology, 2014 Dermatofibrosarcoma protuberans (DFSP) is a locally aggressive, cutaneous, malignant tumor characterized by high propensity for local relapse and low metastatic potential.
Vidyadhar R Sardesai +2 more
doaj +1 more source
Dynamic Research of the Shaft Orbit of Hydrostatic Spindle Under the Sliding Velocity
工程科学与技术, 2017 :Based on the load increment method and the pressure perturbation method,the dynamic performance of liquid hydraulic spindle system was researched.Using the finite difference method,the nonlinear oil film force was calculated by solving the Reynolds ...
陈东菊 +4 more
doaj