Results 111 to 120 of about 4,984 (269)

Lost Motion Analysis of Micro-segment 3K-I Planetary Gear

open access: yesJixie chuandong, 2019
Aiming at the difficult about lost motion calculation of micro-segment planetary gear transmission accuracy. Considering the influence of gear natural error, assembly error and the time-varying mesh stiffness of gears, the lost motion model of planetary ...
Kang Huang   +3 more
doaj  

Gearing [PDF]

open access: yes
Gearing technology in its modern form has a history of only 100 years. However, the earliest form of gearing can probably be traced back to fourth century B.C. Greece. Current gear practice and recent advances in the technology are drawn together.
Coy, J. J.   +2 more
core   +1 more source

Co‐Design at the Boundary: Understanding the Dynamics of Open Innovation Between Companies and Communities

open access: yesJournal of Product Innovation Management, EarlyView.
ABSTRACT For over two decades, firms have built platforms and engaged open innovation communities to improve and customize their products through widened participation in the design process. While the benefits of involving those outside a firm as co‐designers have been well described, how co‐design processes unfold over time at the boundary between ...
Eric Reynolds Brubaker   +3 more
wiley   +1 more source

Quiet Clean Short-haul Experimental Engine (QCSEE) main reduction gears detailed design report [PDF]

open access: yes
Lightweight turbine engines with geared slower speed fans are considered. The design of two similar but different gear ratio, minimum weight, epicyclic star configuration main reduction gears for the under the wing (UTW) and over the wing (OTW) engines ...
Defeo, A., Kulina, M.
core   +1 more source

Law and Infrastructure: Reliability, Automation Transition, and Irregularities of “U‐Space”

open access: yesRegulation &Governance, EarlyView.
ABSTRACT The European Union (EU) is making regulatory efforts to allow for the safe integration of drones into civilian airspace through automated means. Commission Implementing Regulation (EU) 2021/664 concerning unmanned traffic management (a system referred to as “U‐Space”) furthers that commitment. Accordingly, drone operators must avail themselves
Samar Abbas Nawaz
wiley   +1 more source

渐开线凸轮误差对齿形精度影响的分析

open access: yesJixie chuandong, 2009
Involute cam is an important attachment which produce involute profile in the copying gear grinder; the accuracy of which directly decide the profile accuracy of gear which is grinded.
王启明, 马勇, 李克洪, 娄志峰
doaj  

Parameter studies of gear cooling using an automatic finites element mesh generator [PDF]

open access: yes
The range of accuracies achieved in the gear tooth temperature using an automatic finite element mesh generator were investigated. Gear web contribution to the gear cooling process was studied by introducing a varying size hole at the center of the gear ...
Akin, L. S.   +2 more
core   +1 more source

What Does Intarsia Say? Materiality and Spirituality in the Urbino Studiolo☆

open access: yesRenaissance Studies, EarlyView.
Abstract Upon entering the Urbino studiolo of Federico da Montefeltro, the visitor is struck by a material‐charged environment. Surprisingly, only a few scholars have addressed one prominent aspect of the decorative scheme, namely, the feature of intarsia as a medium. Even so, it remains on the sidelines of the discussion.
Matan Aviel
wiley   +1 more source

Identification and proposed control of helicopter transmission noise at the source [PDF]

open access: yes
Helicopter cabin interiors require noise treatment which is expensive and adds weight. The gears inside the main power transmission are major sources of cabin noise.
Coy, John J.   +6 more
core   +2 more sources

Home - About - Disclaimer - Privacy