Results 81 to 90 of about 108,901 (303)

IC-processed micro-motors: design, technology, and testing [PDF]

open access: yes, 1989
Micro-motors having rotors with diameters between 60 and 120 μm have been fabricated and driven electrostatically to continuous rotation. These motors were built using processes derived from IC (integrated circuit) microcircuit fabrication techniques ...
Fan, Long-Sheng   +2 more
core  

Development of Laterally Graded X‐Ray Multilayer Optics

open access: yesAdvanced Materials Technologies, EarlyView.
This work presents the development of laterally graded X‐ray multilayer optics with both constant and variable lateral gradients. By precisely controlling substrate speed profiles and mask design, these multilayers achieve highly accurate lateral gradients and excellent sagittal thickness uniformity, making them ideal for spectroscopy application at ...
Arindam Majhi   +11 more
wiley   +1 more source

Robotized FSW – Evolution of forces and torque with nonlinear welds [PDF]

open access: yes, 2014
The main purpose of the article is to study the evolution of the welding forces and torque with non-straight welding path. The main studies performed on forces and torque are usually done on plane straight welding path when the processing parameter are ...
ABBA, Gabriel   +6 more
core   +2 more sources

Simple rules to modify pre-planned paths and improve gross robot motions associated with pick & place assembly tasks [PDF]

open access: yes, 2011
PurposeThis paper aims to describe real time improvements to the performance and trajectories of robots for which paths had already been planned by some means, automatic or otherwise.
Graham-Jones, J.   +2 more
core   +1 more source

Anti‐Slip Material‐Based Strategies and Approaches

open access: yesAdvanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani   +3 more
wiley   +1 more source

Analysis of Friction Torque Characteristics of a Novel Ball–Roller Composite Turntable Bearing

open access: yesMachines
Traditional three-row roller YRT turntable bearings exhibit high friction torque during operation, which limits their performance in high-precision and high-response applications.
Heng Tian   +4 more
doaj   +1 more source

Overview of the mean of production used for FSW [PDF]

open access: yes, 2010
The Friction Stir welding process is now introduced in production plants. More and more applications are developed and the most part of the work is now centered on the mean of production to be used.
BIGOT, Régis   +3 more
core   +2 more sources

Advances in Solid‐Phase Processing Techniques: Innovations, Applications, and Future Perspectives

open access: yesAdvanced Materials Technologies, EarlyView.
Based on practical manufacturing challenges, this review examines advanced solid‐phase processing techniques that overcome the inherent limitations of conventional melting‐based and traditional solid‐phase manufacturing, enabling the production of higher‐performance components at reduced cost through process innovation and improved supply‐chain ...
Tianhao Wang
wiley   +1 more source

Recent Advances of Slip Sensors for Smart Robotics

open access: yesAdvanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang   +8 more
wiley   +1 more source

风电机组变桨轴承摩擦力矩特性的实验研究

open access: yesJixie chuandong, 2012
Pitch bearing is one of the most key parts in wind turbine,and the bearing friction torque is an important factor for pitch bearing’s working function.A method of testing pitch bearing friction torque characteristics is introduced,this method mainly used
李秀珍, 王靛, 韩德海, 凡增辉
doaj  

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