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Grzegorz Struzikiewicz
An effective chip formation process is significant for an efficient metal-cutting process. Long continuous chips can lead to scratches on the machined surface, increasing the risk to operator safety and stability of the machining process. The use of chip...
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Xiaoyan Guan, Ying Tang, Baojiang Dong, Guochao Li, Yanling Fu and Chongshun Tian
As the main components of mechanical products and important transmission components of mechanical motion, shaft workpieces (SW) need to undergo high-speed motion while also withstanding high torque motion, which has high processing requirements. At the s...
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Yi Lu, Defeng Yan, Junyi Lin, Song Zhang and Jinlong Song
The spontaneous directional transportation (SDT) of water and gas has functions such as efficient water collection, enhanced heat transfer, underwater drag reduction, and so on, having great application prospects in aerospace and navigation fields. There...
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Jusung Kim, Sumi Jeong, Hojin Kim, Youngjin Kim and Sungyu Park
Reinforced concrete is the most commonly used material in the construction industry. However, one disadvantage of reinforced concrete is that environmental factors cause materials to penetrate the concrete and cause steel bar corrosion. Rebar corrosion i...
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Fuqing Miao, Seokyoung Ahn and Yangjin Kim
In wavelength-tuning interferometry, the surface profile of the optical component is a key evaluation index. However, the systematic errors caused by the coupling error between the higher harmonics and phase shift error are considerable. In this research...
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Zechen Lu, Bao Zhang, Zhenjun Li and Chunyu Zhao
The position error of two parallel surfaces is generally constrained by parallelism. However, as a range of change, it cannot represent the positional relation between two parallel surfaces. Large-scale equipment such as machine tools are complex and dif...
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Xin Lan, Weimin Huang and Jinsong Leng
The potential applications of SMP/Ni vertical chain arrays may contain micro electro mechanical systems (MEMS) and biomedical devices.
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Zhiyuan Yu, Xiaoxia Wu and Fuguo Wang
Active optics is a key technology in ground-based large-aperture telescopes. The active correction of the surface shape of the primary mirror is used to reduce the surface shape error and improve the imaging quality. At present, the structure of the acti...
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Araceli Peña-Fernández, Manuel A. Colón-Reynoso and Pilar Mazuela
Greenhouses are instrumental in the advancement of regions globally. The geometric arrangement of these structures plays a pivotal role in governing sunlight distribution, facilitating ventilation, and managing condensation. The roof?s shape significantl...
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Fan Liu, Xiaomin Ji, Gang Hu and Jing Gao
In this paper, a new parameterized surface, termed SQ-Coons surface, is proposed according to the build mode of Coons patch. The surface is always interpolated to the boundary curves, and its shape details could be controlled by the shape parameters in C...
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David Vokoun, Ladislav Klim?a, Aliaksei Vetushka, Jan Duchon, Jan Racek, Jan Drahokoupil, Jaromír Kopecek, Yo-Shane Yu, Narmatha Koothan and Chi-Chung Kei
Pt coatings on NiTi film micro-actuators and/or sensors can add some useful properties, e.g., they may improve the NiTi anticorrosion and thermomechanical characteristics or activate surface properties beneficial for a specific application (e.g., functio...
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Dariusz Gosciewski and Malgorzata Gerus-Gosciewska
A regular network of squares is formed by points uniformly distributed (mostly in the square corners) over the surface that is represented by the network. Each point (node) of the network has specified coordinates (X and Y) with a fixed constant distance...
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Xuelian Wu, Taoxi Wang, Weimin Huang and Yong Zhao
The influence of programming strain and temperature on the shape memory effect and surface morphology in programmed polycarbonate (PC) samples via uni-axial stretching is investigated. It is found that the samples programmed at around the glass transitio...
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Frantisek Prochaska, Karel Nejezchleb, Jiri Benes, Ondrej Matousek and David Tomka
3D subaperture surface shape correction of YAG laser rods for solid-state laser production.
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Kyong-Min Lee, Chi-Vinh Ngo, Ji-Young Jeong, Eun-chae Jeon, Tae-Jin Je and Doo-Man Chun
Many studies of anisotropic wetting surfaces with directional structures inspired from rice leaves, bamboo leaves, and butterfly wings have been carried out because of their unique liquid shape control and transportation. In this study, a precision mecha...
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Geon-Ho Shin and Jang-Wook Hur
A ball screw is a mechanical part that converts rotational motion into translational motion, but when it receives an excessive axial load, permanent deformation occurs inside. As ball screws are mostly used for precise driving, permanent deformation has ...
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Xishuang Jing, Siyu Chen, Jiuzhi An, Chengyang Zhang and Fubao Xie
This study was to solve the mandrel demolding problem after curing the composite component with complex structure. In this paper, a reusable thermoplastic mandrel with heating softening characteristics was developed by resin transfer molding (RTM). The g...
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Lu Sun, Bao Zhang, Ping Wang, Zhihong Gan, Pengpeng Han and Yijian Wang
The process of intelligent multi-objective parametric optimization design for mirrors is discussed in detail in this paper, with the error of the mirror surface shape and the total mass being examined as the optimization objectives. The establishment of ...
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Jérôme Houdayer and Patrice Koehl
The 3D Zernike polynomials form an orthonormal basis of the unit ball. The associated 3D Zernike moments have been successfully applied for 3D shape recognition; they are popular in structural biology for comparing protein structures and properties. Many...
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Nelli Ismailova,Valentyn Bogach,Borys Lebedev
Pág. 17 - 22
This paper reports a technique for constructing a geometric shape of the surface of contact between the interacting conjugated machine elements using computer technology. A subprogram has been developed in the MATLAB software package.The comprehensive so...
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