Results 31 to 40 of about 624 (223)
SELECTED GEARS CUTTING METHODS DEVELOPMENT [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2015 The paper presents a somewhat extended approach to the cutting tools classification. After that authors present results of the research concerning the form – grinding of spur gears with helical teeth.
Stanisław PŁONKA +3 more
doaj
Enhanced application limits for crossed helical gearboxes using new geometries for smaller sliding paths or smaller contact pressures [PDF]
MATEC Web of Conferences, 2019 Crossed-axis helical gear units are used as actuators and auxiliary drives in large quantities in automotive applications such as window regulators, windscreen wipers and seat adjusters.
Boehme Christoph +2 more
doaj +1 more source
Key Technical Fields and Future Outlooks of Space Manipulators: A Survey
SmartBot, EarlyView.This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen +12 more
wiley +1 more source
Concussed: Unintended Consequences of the Guardian Cap Mandate in the NFL
Southern Economic Journal, EarlyView.ABSTRACT Guardian Caps are padded shells worn over American football helmets to cushion impacts and reduce concussion risks. In 2022, the NFL mandated their use for specific position groups during preseason practices, later expanding this requirement. While the league praised the Caps for enhancing player safety, skeptics argue they may promote riskier
Kerianne Lawson Rubenstein, Todd Nesbit
wiley +1 more source
Looking for Trouble: Pre‐Intervention Monitoring in Human and AI Driver Training
Symbolic Interaction, EarlyView.We compare two types of situations involving monitoring of car driving: a driving instructor overseeing a trainee driver and a safety driver overseeing the performance of autonomous vehicle (AV) software. Our focus is on instances of monitoring that precede (1) interventions that are aborted before impacting the driving and (2) actual interventions on ...
Mathias Broth +2 more
wiley +1 more source
Condition monitoring of gearboxes using acoustic emission [PDF]
, 2010 Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been ...
Eftekharnejad, Babak
core
Research of the Geometric Characteristic of Undercutting and Limit Normal Point in Gear Geometry
Jixie chuandong, 2015 The undercutting phenomena and the limit normal point are two important concepts in gearing theory,design and manufacturing.Based on the different opinions about them in the current research of limit normal point and the geometry and movement ...
Chen Ningxin
doaj
AGRICULTURE IN A SOCIALIST CITY: Towards an Alter‐Urban Political Ecology
International Journal of Urban and Regional Research, EarlyView.Abstract Urban political ecology has developed as a critique of capitalist urbanization. This article develops the concept of alter‐urban political ecology to define urban environments emerging not from capitalist urbanization but from efforts to transform it. Drawing on archival research and ethnographic fieldwork in five urban farms in socialist Cuba,
Gustav Cederlöf
wiley +1 more source
Jixie chuandong, 2014 Based on the theory of gear geometry and dynamics,the dynamic calculation model of asymmetric involute spur gear is established,and the programming is produced by Matlab,the dynamic characteristic of asymmetric involute spur gears is studied.The results ...
朱良, 郗军红, 于慧
doaj
Chinese Journal of Mechanical EngineeringProfile shift is a highly effective technique for optimizing the performance of spur gear transmission systems. However, tooth surface wear is inevitable during gear meshing due to inadequate lubrication and long-term operation.
Wenzheng Liu +3 more
doaj +1 more source