Results 101 to 110 of about 3,531 (255)
The total contact line length isn’t a constant value during a meshing period of helical gear pair. However the length will have an affect on the linear load which acts on helical gear pair,so the variational law of contact line length during a meshing ...
李宁, 李威
doaj
The formation mechanism of tooth surface twist in helical gear generating machining (worm grinding and hobbing) and the measure to reduce the tooth surface twist are mainly studied.
Shihao Gao +3 more
doaj
DNA‐Enzyme Hybrid Nanostructures: Functional Materials to Modulate Enzymatic Activity
DNA–enzyme hybrid nanostructures enable precise spatial and stoichiometric control over enzyme organization, offering a powerful platform to modulate catalytic activity. This review critically evaluates key mechanistic hypotheses, including proximity effects, microenvironment changes, confinement, and stabilization, as well as highlighting ...
Manar Elnaggar, Amelie Heuer‐Jungemann
wiley +1 more source
Effect of Gear Backlash Function on the Dynamics Characteristic of Helical Gear
A three- degree- of- freedom shaft- torsion coupling nonlinear dynamics model of a single-stage helical cylindrical gear transmission system is established,which included the nonlinear factors such as gear backlash,time- varying stiffness,transmission ...
Wang Xin, Kang Boqiang
doaj
Model‐Based Systems Engineering in Space Applications: A Comprehensive Literature Review
ABSTRACT The growing complexity of space engineering is driving the demand to embrace the adoption of Model‐Based Systems Engineering (MBSE). Although the MBSE is well‐practiced in the space industry, the level of effort and need required to obtain the benefits of MBSE vastly differ across enterprises; this disparity presents a significant challenge to
Rehobot Bekele Buruso +4 more
wiley +1 more source
Transmission errors in precision worm gear drives
Transmission error is a measure of the positioning accuracy of a gear system. This has been widely documented in gearing for many years as the source of problems in noise and vibration.
Fish, Michael Anderson
core
Geometric Modelling for Cylindrical and Helical Gear Pumps with Circular Arc Teeth
[[abstract]]This paper describes a simple approach based on the envelope theory for deriving the geometric models of cylindrical and helical gear pumps with circular arc teeth.
Chen, C. K. ; Yang, Shyue-Cheng
core
Study on Helical Involute Face Gear [PDF]
Involute face gears are usually employed for connecting the intersecting shafts or the skew shafts. This gear set is made of an involute spur pinion or helical involute pinion meshing with a face gear that is generated by a pinion cutter of the same size
両角, 宗晴
core
Study on Internal Helical Gear Topographic Modification and Transmission Error Simulation
In order to improve the meshing performance of the internal helical gear transmission pair, a topographic modification method of the internal helical gear is proposed.
Xiaozhong Ren, Zhifang Li, Jianxin Su
doaj
A mobile electromagnetic levitator combined with time‐resolved synchrotron X‐ray diffraction enables in situ studies of high‐temperature phase transformations without container‐induced contamination and reveals the first direct observation of metastable phase formation in undercooled Fe–Co alloys.In situ observations of high‐temperature transformations,
Olga Shuleshova +6 more
wiley +1 more source

