Results 91 to 100 of about 17,569 (305)

Thermal elastohydrodynamic lubrication of spur gears [PDF]

open access: yes
An analysis and computer program called TELSGE were developed to predict the variations of dynamic load, surface temperature, and lubricant film thickness along the contacting path during the engagement of a pair of involute spur gears.
Cheng, H. S., Wang, K. L.
core   +1 more source

Unraveling the Impact of Organizational Ambidexterity: The Role of Integration and Agility in Enhancing Performance amidst Supply Chain Disruptions

open access: yesGlobal Business and Organizational Excellence, EarlyView.
ABSTRACT The pandemic and supply chain disruptions are all examples of events that are forcing companies to do business differently. The study was conducted among 405 manufacturing and service companies in Malaysia and analyzed using PLS‐SEM. The role of integration and agility was key to determining how ambidexterity affected the performance of the ...
Muhammad Khalilur Rahman   +4 more
wiley   +1 more source

Method for a Comprehensive Analytical Study of Contact Pressures, Wear, and Durability of Metal-Polymer Helical and Spur Gears with Steel Pinion and Polyamide Gear

open access: yesTribology in Industry
An analytical complex study of metal-polymer (MP) helical and spur gears by a new author's analytical method was carried out. The influence of the helix angle on the contact pressures in the engagement, the teeth wear, and the durability of the MP gears ...
Myron Czerniec   +2 more
doaj   +1 more source

Surface fatigue life of M50NiL and AISI 9310 spur gears and R C bars [PDF]

open access: yes
Spur gear endurance tests and rolling element surface fatigue tests were conducted to study vacuum induction melted, vacuum arc remelted (VIM-VAR) M50NiL steel for use as a gear steel in advanced aircraft applications, to determine its endurance ...
Bamberger, Eric N., Townsend, Dennis P.
core   +1 more source

A method for static and dynamic load analysis of standard and modified spur gears [PDF]

open access: yes, 1983
The mesh stiffness and dynamic load characteristics for several cases of the Normal Contract Ratio and High Contact ratio gearing. The considered contact ratios were grouped in the general range of 1.7,2.0, and 2.3.
Kasuba, R.
core   +1 more source

Multidexterity: Reframing Strategic Agility for Hyper‐Transformation

open access: yesStrategic Change, EarlyView.
ABSTRACT Organizations experiencing hyper‐transformation—continuous, multidimensional, accelerated, and simultaneous organizational changes—face some limitations in traditional strategic agility and ambidexterity frameworks. Current strategic agility emphasizes rapid responsiveness but insufficiently addresses the nuanced management of varying speeds ...
Alessandro Lanteri
wiley   +1 more source

Equivalent calculation and experimental study on power skiving of low-angle spur face gears based on four-axis machine tool

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing
The low-angle spur face gear transmission has the advantages of compact structure, small axial force, good torque-split effect, and insensitivity to installation errors, which shows great advantages in transmission structures such as helicopters and ...
Chuang JIANG   +3 more
doaj   +1 more source

Surface fatigue life and failure characteristics of EX-53, CBS 1000M, and AISI 9310 gear materials [PDF]

open access: yes
Spur gear endurance tests and rolling-element surface fatigue tests are conducted to investigate EX-53 and CBS 1000M steels for use as advanced application gear materials, to determine their endurance characteristics, and to compare the results with the ...
Townsend, D. P.
core   +1 more source

Portfolio Entrepreneurs' Strategic Responses to the COVID‐19 Outbreak: The Role of Adaptation, Decision‐Making, Temporality, and Coordination

open access: yesStrategic Change, EarlyView.
ABSTRACT This study explores the immediate responses of portfolio entrepreneurs (PEs) in the Netherlands to the onset of the COVID‐19 pandemic. Employing a longitudinal design, real‐time data were collected from 21 PEs through verbal interviews and open‐ended questionnaires, capturing their initial entrepreneurial reactions.
Tobias Kutzewski, Ingrid A. M. Wakkee
wiley   +1 more source

Analysis and Research on the Thermal E lasto-Hydrodynamic Lubrication of Involute Gears

open access: yesJixie chuandong, 1994
By combining the operating param eters of transmission gears .the thermal hydrodynamic analysis on spur invblute gears is given by means of a full numerical methods.
卢立新, 张和豪
doaj  

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