Results 71 to 80 of about 74,755 (196)

Hourglass-shaped impedance network based nonelectrolytic capacitors high step-up converter with low voltage stress

, 2021
Hourglass-shaped impedance network based nonelectrolytic capacitors high step-up converter with low voltage ...
Samson Yu (13093116), G Zhang (7349387), A El Aroudi (15808709), W Chen (774826)   +3 more
core  

Transient Dynamics Analysis for the End Face Engagement Worm Gear

工程科学与技术, 2017
:In order to obtain the dynamic characteristics of the end face engagement worm gear,the relationship of carrying capacity and deformation between different structure types of worm was analyzed,and the scientific analysis and demonstration were made.The ...
WANG Kai, YAO Jin, DENG Xingqiao, WANG Jinge   +3 more
doaj  

Research on a method for designing land surfaces of a dual-cone double enveloping hourglass worm wheel hob

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2018
Cutting teeth of a dual-cone double enveloping hourglass worm wheel hob retain land surfaces with a certain width to increase the service life of the hob because this kind of hob cannot be re-sharpened.
Chengjie RUI, Haitao LI, Jie YANG, Wenjun WEI   +3 more
doaj   +1 more source

The digital hourglass

, 2022
This paper presents the Digital Hourglass, an alarm clock that focuses on the amount of sleep, rather than wake-up times. It follows a simple approach, lighting one LED for each hour of sleep, and physically resembles the interaction with a conventional ...
Hemmert, Fabian, Wettach, Reto, Hamann, Susann   +2 more
core   +1 more source

The corporate strategy hourglass

, 2023
Firms that intend to define a CS need to design and implement a framework of different elements that must be internally consistent and fit with the external environment. Using the hourglass model, the chapter describes the elements that build a corporate-
Invernizzi, Giorgio, Pedrini, Matteo, Molteni, Mario   +2 more
core  

Optimization Design of the Non-backlash Double-roller Enveloping Hourglass Worm’s Parameters Based on Genetic Algorithm

工程科学与技术, 2010
:It was difficult and complex to choice the design parameters of the non-backlash double-roller enveloping hourglass worm for the acquisition of the best engagement performance.
Deng Xingqiao, Wang Jin-ge, Zhang Junfu, Wu Jiang   +3 more
doaj  

Technology of Manufacturing of ZC Cylindrical Worm. [PDF]

Materials (Basel), 2022
Boral P, Gołębski R.
europepmc   +1 more source

Meshing Analysis of Non-parallel Double-roller Enveloping Hourglass Worm Gearing

工程科学与技术, 2012
:To eliminate the backlash and improve the precision and efficiency of enveloping worm, by analyzing the shortcomings in the existing non-backlash worm gear sets,non-parallel double-roller enveloping hourglass worm gearing was proposed based on the ...
doaj  

Numerical Method of Determining the Curvature Interference Limit Curve for Modified Hourglass Worm Pairs

, 2011
The double-point downhill secant method (the DPDS method) is proposed to solve the nonlinear equations to determine the curvature interference limit points for modified hourglass worm drives.
Tian Chao Wu, Ya Ping Zhao
core   +1 more source

Research and Trial-Manufacture of Steel-Steel Gradual-Change Tooth Thickness Planar Worm Gear Drive

工程科学与技术, 2011
:Based on expounding the engagement theory of the planar envelopment hourglass worm, principle of dummy gyration center was analyzed detailedly and applied to machining the worm. The planar wormgear were finishing ground on the THM63100Ⅳ. Machining error
Qiu Xin-Yang, Qin Da-Tong, Zhang Guang-Hui, ZHANG Yan-Qin   +3 more
doaj