Results 81 to 90 of about 1,624 (180)

Research on the Design and Meshing Performance Analysis of Face Gear Face Gear Meshing Nutation Reducers

open access: yesMathematics
In view of the problems of the complex design, difficult machining, and high manufacturing cost of a traditional nutation reducer, this paper intends to design a nutation reducer and study its meshing performance.
Haoyu Chen, Qinghai Li, Chao Jia
doaj   +1 more source

Progetto e analisi di ingranaggi spiroconici mediante codici di calcolo [PDF]

open access: yes
L'ampia diffusione delle ruote ipoidi e coniche a spirale (o spiroconiche) comporta la necessità di indirizzare la ricerca verso un miglioramento delle condizioni di ingranamento e una riduzione della rumorosità. Data la complessità della geometria delle
Artoni, Alessio
core  

Flexible Work Systems and the Structure of Wages: Evidence from Matched Employer- Employee Data [PDF]

open access: yes, 2001
A growing literature is concerned with the effects of flexible workplace systems or High Performance Work Organizations (HPWOs) on wages. This paper makes use of a new employer-employee-linked panel data set for Germany to examine the effects of ...
Bauer, Thomas K., Bender, Stefan
core  

Tooth Surface Design of Spiral Bevel Gear with Considering the System Meshing Misalignment Quantity

open access: yesJixie chuandong, 2019
Based on the principle of tooth surface contact analysis considering system meshing misalignment quantity, taking the design of spiral bevel gears of an aeronautical reducer as an example, the calculation model of meshing misalignment quantity is ...
Qin Qiuxia Li Li Wang Yonghong Chen Haoyu
doaj  

Load-Sharing Characteristics of Power-Split Transmission System Based on Deformation Compatibility and Loaded Tooth Contact Analysis

open access: yesInternational Journal of Aerospace Engineering, 2015
In order to implement the uniform load distribution of the power-split transmission system, a pseudostatic model is built. Based on the loaded tooth contact analysis (LTCA) technique, the actual meshing process of each gear pair is simulated and the ...
Hao Dong   +3 more
doaj   +1 more source

Turbulence and transition modeling for high-speed flows [PDF]

open access: yes
Research conducted during the past three and a half years aimed at developing and testing a turbulence/transition model applicable to high-speed turbulent flows is summarized.
Wilcox, David C.
core   +1 more source

OPTIMAL DESIGN OF MODIFIED SPUR GEARS BASED ON MINIMUM FLASH TEMPERATURE

open access: yesJixie qiangdu, 2017
Considering the installation error and tooth flank clearance of modified involute cylindrical gears influencing on load density,oil film thickness,and local friction coefficient.an optimum design method based on the minimum flash temperature was proposed.
YU DongYang   +3 more
doaj  

Computerized Generation and Surface Deviation Correction of Ruled Surface for Face Gear Drives

open access: yesApplied Sciences
In order to solve the problems of low efficiency and complex cutting tools in conventional face gear machining, this paper presents a machining method of ruled surface face gears with conical cutters and proposes a new pinion to correct deviation and its
Xianlong Peng, Yikai Wu
doaj   +1 more source

FINITE ELEMENT ANALYSIS ON THE INFLUENCE OF PITTING DEFECT ON THE CONTACT STRESS OF FACE GEAR (MT)

open access: yesJixie qiangdu, 2023
In order to study the influence of pitting defect on the contact stress of face gear, a face gear of helicopter transmission system was taken as the research object, the defect shape was assumed to be spherical and the solid model was built by UG and ...
HUANG ZhenRong, ZHANG Juan
doaj  

Métodos estatísticos para recuperação de informação [PDF]

open access: yes, 2005
É abordado o problema dos modelos de recuperação de informação, sob o ponto de vista estatístico, no sentido de estabelecer relações entre os diferentes algoritmos e apresentar uma visão unificada dos diferentes modelos com base em métodos estatísticos.
Delgado, José   +2 more
core  

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