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Relevant bibliographies by topics / Precision Machine Design

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Academic literature on the topic 'Precision Machine Design'

Author: Grafiati

Published: 7 June 2025

Last updated: 17 July 2025

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Journal articles on the topic "Precision Machine Design"

1

Moorefield, Donnie. "Precision machine design." Precision Engineering 15, no. 1 (1993): 51–52. http://dx.doi.org/10.1016/0141-6359(93)90288-l.

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HOMANN, BRADLEY S., and ANNA C. THORNTON. "Precision machine design assistant: A constraint-based tool for the design and evaluation of precision machine tool concepts." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 12, no. 5 (1998): 419–29. http://dx.doi.org/10.1017/s0890060498125027.

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Precision machines are necessary to manufacture parts and subassemblies that require tight tolerances. During the design of precision machines, like any design, it is critical that the best concept is chosen in the early stages of the design process because 80% of the final cost and quality of a product are designed in at this phase. In addition, changes and optimization late in the design process have limited impact on cost and quality. Typically, during the design of precision machines, engineers and skilled machinists develop several machine concepts and down select based on heuristics and past design experience rather than quantitative measures. This paper describes a computation tool, Precision Machine Design Assistant (PMDA), which automates basic machine error simulation and concept evaluation. The tool uses a combination of machine error motion modelling and constraint-based design methods. By combining these methods in a computational environment, multiple machine concepts may be rapidly modeled, analyzed, and compared. The goal of the program is to assist the designer in the selection of a superior concept for detail design. The PMDA methods and implementation are demonstrated in an example.

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Ye, Xiao Ran. "Optimization Design and Structure Design of Precision CNC Machine." Applied Mechanics and Materials 835 (May 2016): 605–8. http://dx.doi.org/10.4028/www.scientific.net/amm.835.605.

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In this paper, finite element method was used to carry out parameter optimization and structural improvements of CNC machine. Considering the static and dynamic characteristics of the machine, the headstock and bed of CNC machine has been improved by structural optimizationk, and wall ribs was designed on the headstock CNC machine tools. After optimized the static stiffness and strength of CNC machine can meet the requirements, with a decrease of approximately 24.8% in weight compared to the original machine design.

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Chan, Tzu-Chi, Yu-Ping Hong, Jyun-Sian Yang, Jia-Hong Yu, Arindam Dutta, and Sabbella Veera Venkata Satyanarayana Reddy. "Design and Analysis of a High-Precision Horizontal Machine Tools." International Journal of Robotics and Automation Technology 10 (July 5, 2023): 33–38. http://dx.doi.org/10.31875/2409-9694.2023.10.04.

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Abstract: The horizontal machine tool has an automatic exchange table, which can be combined with a flexible manufacturing system for automatic processing and production. Therefore, it requires higher performance stability than other machines. This study analyzes the static and dynamic characteristics of a horizontal machine tool structure. The finite element analysis (FEA) method is generally used to analyze the whole machine structure and improve the deformation and resonance of the horizontal machine tool. In this study, FEA was applied to the design process of the machine tool, including static deformation analysis, modal analysis, transient analysis, and harmonic analysis of the machine. The deformation of the whole machine due to acceleration of gravity and cutting force was analyzed. The modal shapes generated by the first and third modes directly affected the machining process of the machine tool. To further analyze the influence of vibration signal processing on processing quality, transient response analysis was carried out on the effect of axial cutting force during machining. Spectrum analysis of the machine was also carried out. This study is expected to help the structural design of a horizontal machine tool to improve the dynamic characteristics and stability of the horizontal machining system.

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Researcher. "INTEGRATION OF ADDITIVE MANUFACTURING TECHNIQUES IN PRECISION MACHINE DESIGN AND DEVELOPMENT FOR HIGH-PERFORMANCE APPLICATIONS." Journal of Machine Design (JMD), no. 1 (January 28, 2025): 1–7. https://doi.org/10.5281/zenodo.14752531.

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The integration of additive manufacturing (AM) techniques into precision machine design has emerged as a transformative approach to enhance performance, cost efficiency, and sustainability. AM offers unparalleled flexibility in creating complex geometries, lightweight components, and customized designs, driving innovation in high-performance applications across aerospace, medical, and industrial domains. This paper explores the role of AM in precision machine design, focusing on material selection, design optimization, and performance enhancement. A review of existing literature highlights the advancements, challenges, and future potential of AM in high-performance precision machines. Analytical insights and experimental data demonstrate the potential of AM to revolutionize traditional manufacturing paradigms.

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Brecher, C., P. Utsch, R. Klar, and C. Wenzel. "Compact design for high precision machine tools." International Journal of Machine Tools and Manufacture 50, no. 4 (2010): 328–34. http://dx.doi.org/10.1016/j.ijmachtools.2009.11.007.

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Cao, Zi Yang, and Hua Li. "Design of Precision Micro-Milling Machine for Meso-Scaled Parts." Applied Mechanics and Materials 29-32 (August 2010): 1068–73. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.1068.

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To create miniaturized components, a 3-axis micro-milling machine tool composed of linear motor stages, high-speed air-bearing spindle and motion control card DMC-1842 is developed in this paper. The CNC system of the parallel double CPU based on industrial control computer and Windows operating system is constructed. The application software of CNC system is exploited by modularized mind in C# programming language, reasonable human-computer interface is designed. Finally, in order to validate the performance of the micro-milling machine, the miniaturized parts are machined o by developed CNC system. Through these tests analysis, the hardware and software architecture of the CNC system is verified to meet the requirements of the micro-milling machine tool. Micro-milling process with developed micro-milling machine tool is proved to be feasible and applicable, and can fully satisfy the producing requires of miniaturized components.

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Song, Yue Xian, Qing Jian Li, Sheng Lan Li, Cheng Yong Wang, and Li Juan Zheng. "Development of Ultra-Precison Single-Plane Lapping Machine." Key Engineering Materials 589-590 (October 2013): 491–96. http://dx.doi.org/10.4028/www.scientific.net/kem.589-590.491.

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An ultra-precision lapping machine is developed, with precision turning technology to condition lapping plate in situ, pressurizating by cylinder pressure, and cooling frictional heat with inner cooling system, the lapping machine is used for ultra-precision lapping of brittle materials. The design concept and the structure of the key components of the utra-precision sngle-plane lpping mchine are discussed. After precision turning, the flatness of lapping plate is down to 0.002 mm/400 mm, and experimental results show that the flatness of circular grating glass has been greatly improved after ultra-precison lapping.

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Huo, De Hong, Kai Cheng, and Hui Ding. "Design and Performance Assessment of a 5-Axis Ultra-Precision Micro-Milling Machine." Applied Mechanics and Materials 217-219 (November 2012): 1699–704. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1699.

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This paper presents the development and performance assessment of a novel 5-axis ultra-precision micro-milling machine (UltraMill) which enables ultra-precision micromachining of high precision 3D miniature components and micro features. An integrated design approach with motion accuracy, dynamic stiffness and thermal stability prioritized has been proposed and applied to analyze and optimize key machine components and their integration. Direct drives and aerostatic bearings with the squeeze oil-film damper are employed in the micro-milling machine throughout, which offers higher motion accuracy, improved dynamics and loading capacity. Micro-milling trials were performed on OFHC copper using tungsten carbide, CVD diamond and single crystal diamond micro tools. Both micro featured profiles and micro machined surfaces were measured to validate the proposed machine specifications and performance.

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Wu, Yu Hou, L. X. Zhang, Ke Zhang, and Song Hua Li. "Design on High-Speed Precision Grinder." Key Engineering Materials 304-305 (February 2006): 492–96. http://dx.doi.org/10.4028/www.scientific.net/kem.304-305.492.

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As one of the modern manufacture technology, high-speed precision grinding takes an important part in the modern manufacture field. With the development of the technology on high-speed spindle unit, linear precision high-speed feed unit, manufacture of grinding wheel, measurement etc, a great deal of research achievements make it possible for high-speed precision grinding. In this paper, using PMAC (Programmable Multi-Axis Controller)—PC as the central controller, a new kind of high-speed precision grinder is designed and manufactured. The servo control technology of linear motor is investigated. The dynamic performances of the machine are analyzed according to the experimental results. Elliptical workpieces have been machined with this new high-speed precision grinder. Based on these research results, a very helpful approach is provided for the precision grinding of complicated workpieces, and these results promote the development of high speed grinding too.

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Dissertations / Theses on the topic "Precision Machine Design"

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Scagnetti, Paul Albert. "Design of an industrial precision ceramic grinding machine." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10918.

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Tarbutton, Joshua. "Design of a controller for a precision positioning machine." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1181252033/.

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Van, Doren Matthew J. 1967. "Precision machine design for the semiconductor equipment manufacturing industry." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11496.

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Torkaman, Amir (Amir Hesam) 1979. "Design and fabrication of a high precision wafer polishing machine." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9015.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.<br>Includes bibliographical references (leaf 142).<br>The objective of this project is to design and fabricate a full-scale Chemical- Mechanical Polishing machine, whose performance is much higher than that of the existing technology. The machine consists of a lower structure, an upper structure, and a polishing head. This thesis covers the design of the upper structure in detail. The machine was recently built and tested. The upper machine frame, which is the moving component of this polishing tool, was designed for maximum rigidity using FEA analysis. Vibrational analysis was also performed to design a mechanically quiet system. All of the associated components were designed with extreme precision in mind. In addition to the upper structure, a loading mechanism was also designed for the polishing head. Two high-precision linear drive mechanisms, the z-axis and the x-axis, were designed as the two major axes of motion for this machine tool. The z-axis applies the normal polishing force of 1500 lbs. This axis has a travel of 8", maximum velocity of 4 in/sec, resolution of 50 nm, and a repeatability of 0.0005". The z-axis applies the load using a pneumatic piston, in parallel with a "rotary" ball screw. The x-axis moves the upper machine structure, which weighs over 2000 lbs. The x-axis has a travel of 82", a maximum velocity of 12 in/sec, a maximum acceleration of 0.2g's, a resolution of 10 microns, and a repeatability of 0.002". The x-axis is driven on both sides with two separate motors and ball screws.<br>by Amir Torkaman.<br>S.M.

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Zhu, Yufei. "Design and manufacturing of high precision roll-to-roll multilayer printing machine -- machine upgrade." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55253.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 79-80).<br>In 2008, a group of MIT Master of Engineering students built a roll to roll machine for printing thiol onto a flexible gold substrate by self-assembly. The machine demonstrated good performance in high speed printing (400 ft/min). Since single layer printing is limited in industrial application, we reconfigured this machine for multi-layer printing . Our project includes developing a device that can fabricate high quality stamps, which is vital in print quality; increasing the roll to roll machine accuracy in critical components, which helps increases the machine's repeatability. In addition, we have designed a multilayer printing system using the same technology and demonstrated it with the upgraded machine. The flat stamp cast by the new machine can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m, compared to ±32 [micro]m of stamp made with other machine. An initial experiment with multi-layer printing using the upgraded machine has shown that better control of the roll drive system and better registration measurement will be required to meet the necessary specification. However, the first experiment did can achieve alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction<br>by Yufei Zhu.<br>M.Eng.

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Varanasi, Kripa K. (Kripa Kiran) 1977. "On the design of a precision machine for closed-loop performance." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/89334.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.<br>Includes bibliographical references (p. 205-209).<br>by Kripa K. Varanasi.<br>S.M.

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Homann, Bradley S. (Bradley Scott). "A constraint-based system for the design and evaluation of precision machine tools." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43569.

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Yang, Wenzhuo M. Eng Massachusetts Institute of Technology. "Design and manufacturing of high precision roll-to-roll multi-layer printing machine : measurement and experiment." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55240.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 74-75).<br>In 2008, a prototype machine demonstrating the application of roll-to-roll technology in micro-contact printing was developed. In this research, the prototype machine was upgraded by designing and machining a device that could fabricate a flat stamp with significantly less variance. The print roll wrapping system was reconfigured in order to capture the stamp with uniform force and good alignment. The motion control for the print roller and impression roller was also improved. In addition multi-layer printing with the updated machine was tested. This thesis focuses on the general design of the updated system and the measurement of key components of the systems as well as the print quality. Results demonstrate that the flat stamp can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m; that the wrapping process can guarantee a print roller roundness error in the 20 [micro]m range; that the distortion of the print using the updated system is approximately 3.8. The multi-layer printing test did not achieve acceptable results owing to a lack of proper control of the machine. However, initial trials, achieved alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction.<br>by Wenzhuo Yang.<br>M.Eng.

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Yin, Zidong. "Modeling and design of a miniature high precision linear stage on ball bearings." Compiègne, 2010. http://www.theses.fr/2010COMP1914.

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Aujourd'hui, la miniaturisation est une tendance forte dans le développement technologique des produits industriels, avec les exigences en composants microtechniques. Le micro / usinage conventionnel à l'outil est de plus en plus important, car il peut créer des pièces en 3-D avec des matériaux divers et il présente de nombreux avantages en efficacité, productivité, flexibilité et rentabilité, etc. Us guidages linéaires miniatures sont des composants clés des méso machines-outils. Cette thèse porte sur la conception d'une table linéaire miniature sur roulements à billes avec une raideur élévée, apte à satisfaire les exigences des méso machines-outils de haute précision. Deux critères de conception de base sont considérés: le premier est que les paliers à billes doivent être en mesure de supporter la charge maximale d'utilisation tout en conservant un comportement élastique et maximisant la rigidité ; l'autre est que l'influence des tolérances sur le diamètre des billes et la planéité de la paroi sur les mouvements parasites doit rester en dessous de l'erreur maximale autorisée sur la surface usinée. Un palier ouvert avec des erreurs géométriques est étudié en premier lieu par la théorie de He. Ensuite, une structure de palier fermé précontraint est proposée pour sa capacité à soutenir une charge relativement élevée, avec une grande rigidité, dans un encombrement limité. Sur la base des éléments de palier fermé proposés, une méthode de modélisation et de minimisation d'un guidage a été développée pour répondre aux exigences d'une taille limite de 70x 140 mrra, une capacité de charge > 250N et une rigidité > 500N/gm. Une évaluation théorique des erreurs de rectitude et de tangage d'un mini guidage avec des paliers sur roulements précontraints a été développée et analysé pour différentes préchuges, erreurs géométriques et charges externes. L'erreur de rectitude du mouvement peut ainsi être réduite à environ 1/10' de l'erreur de fabrication, ou moins selon la longueur d'onde de l'erreur de planéité des parois. Une optimisation des profils d'entrée sous le chariot est étudiée pour réduire les mouvements parasites et les excitations vibratoires induits par l'effet de bord du contact de roulement. Enfin, un prototype de mini-rail de guidage pour méso machines-outils a été conçu et fabriqué. La course est de 80 mm. S parois du roulement sont en acier GCr15 et les billes sont en céramique Si3N4, pour son niveau élevé de résistance à la compression et sa dureté. Les dimensions de la structure de la table miniature ont été déterminées avec des évaluations par éléments finis ; l'épaisseur des parois doit être >Ilmm. Les erreurs de tangage et de rectitude du mouvement du prototype ont été étudiées. Pour une erreur maximale du diamètre des billes d'environ 0,13gm et des erreurs de profil des parois d'environ 1,0 à 3,0gm, l'erreur de rectitude du guidage est d'environ 0,25gm sur une course de avec une précontrainte géométrique de 6gm. Ces résultats sont en bon accord avec les prédictions théoriques<br>In actual technological developments, the trend to miniaturization of industrial products requtes micro components. Tool based micro/meso-scale machining is becoming increasingly important, since it cm create 3-D parts in various engineering materials and has many advantages in productivity, efficiency, flexibility and cost effectiveness, etc. Mini-guideways are key components of meso-machine tools. This thesis fuses on the design of an ultra precision miniature linear guideways on bail bearings, able to fulfilling the requirements of ultra predision meso-machine tools with a high stiffness. Two basic design criteria are consider: one is that the bail bearing elements must be able to bear the maximum working load while keeping an elastic behaviour and maximizing the stiffness; the other is that the influence of halls diameter and wall flatness tolerances on peasidc movements must be kept below the maximum error allowed to surface machining. Firstly, based on Hertzian contact theory, an open bearing with geometrical errors is studied. Then a structure of preloaded closed bearing element is proposed for its potential ability to supporting a heavy load with a high stiffness in a limited size. Based on the proposed closed bearing elements, a method of modeling and minimisation of a guideway is developed, targeting at fulfilling the conditions of a limited size of 70x140 mm, load capacity >250N and stiffness >500N/gm. A Theoretical evaluation of straightness error and pitch error of the motion of the mini-guideway with closed bearing elements is developed and is analyzed with various specified preloads, geometrical errors and external loads. Straightness error of motion of the mini-guideway may be reduced to about 1610 times the given fabrication error or even less, for specified appropriate wavelength of surface error of the walls. To lower the puasitic motion and excitation generated by bUls entering or exiting from under the cage, opdMzation of the cage's profiles is discussed to minimize the edge effect on rolling contact. At last, a prototype of mini-guideway for meso machine tools has been design and manufactured. The travel is80 mm. The beuings walls have been made of steel GCr15 and the bans are in ceramics Si4, rince they have a high level of compressive strength and hardness. The dimension of the ni-guideway structure have been dened via evaluations with the Finite Element Method (FEM); thickness of the walls of the ni-guideway should be >11 mm. Fitch errors and straighness error of motion of the prototype have been invesfigated. For a diameter error of balls of about 0. 13gm and straightness profile errors of the walls aof about I. 0-3. 0gm, the straightness motion error of the mini-guideway is about 0. 251tm over a travel of 5m with a geometrical preload of 6jrm. These results agree well with the theoretical prédictions

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Arai, S. "Surface integrity control of piezoelectric materials in ultra precision grinding on the basis of machine design assessment." Thesis, Cranfield University, 2004. http://dspace.lib.cranfield.ac.uk/handle/1826/10441.

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The target of this research work was to establish a surface integrity control methodology in ultra precision grinding for piezoelectric materials, taking into account the interaction between the material removal manner and the machine design contributions. Whilst there are many respective research works concerning the microscopic material removal behavior on brittle materials and the design characterization of individual machine components, it was necessary to identify the design characteristics in order to ensure a consistent and fine surface integrity ( i.e. surface roughness, surface atness, textural damage ) in contact machining. For example, in a thermal analysis of a machine structure, the considerable inuences of internal and external heat sources were observed, which resulted in heat ows in aerostatic and hydrostatic components. After identifying several thermal error modes, a substantial improvement of thermal stability was applied successfully onto the machine structure. However, the major contributions arising from this research work are considered to be the following. ( i ) Suggestion of a method to achieve optimized grinding conditions for piezoelectric materials ( ii ) Identification of a link between material removal behavior and the machine design contribution (iii)Development of a novel tooling component Following a static and dynamic assessment of three grinding machine structures, it was conciuded that an enhanced damping performance at the loop distance, between the grinding wheel and work tooling, is beneficial to obtain a fine surface finish together with a at surface, whereas past researchers have claimed that static stiffness and high resonant frequencies should be the prime aim.

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Books on the topic "Precision Machine Design"

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Slocum, Alexander H. Precision machine design. Prentice Hall, 1992.

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Slocum, Alexander H. Precision machine design. Society of Manufacturing Engineers, 1992.

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S, Mekid, ed. Introduction to precision machine design and error assessment. Taylor & Francis, 2008.

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Bolotinskiĭ, L. S. Advances in Russian precision machine tool design and manufacture: From defense to civil applications. Global Consultants, Inc., 1992.

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Berberov, Sergey, Mihail Tamarkin, Galina Prokopec, and Valeriy Lebedev. Technological equipment. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1037188.

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General information about devices, their classification and structure is presented; theoretical bases of basing, taking into account the specifics of the choice of basing schemes when choosing technological bases; designs of the main elements of machine tools, methods of their precision and power calculations of devices; design features of devices for various technological systems of mechanical processing, including CNC; features of control and measuring devices; individual issues of mechanization, automation, unification and standardization of devices; methods of designing special devices. Special attention is paid to the educational and methodological support of practical training of specialists. Meets the requirements of the federal state educational standards of secondary vocational education of the latest generation. It is intended for students of secondary vocational education institutions studying in the specialty 15.02.08 "Technology of mechanical engineering".

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Pressure Vessels and Piping Conference (1992 New Orleans, La.). Design and analysis of pressure vessels, piping, and components, 1992: Presented at the 1992 Pressure Vessels and Piping Conference, New Orleans, Louisiana, June 21-25, 1992. Edited by Becht C and American Society of Mechanical Engineers. Pressure Vessels and Piping Division. American Society of Mechanical Engineers, 1992.

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Precision Machine Design (Mechanical Engineering Series). CRC, 2008.

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Mekid, Samir, ed. Introduction to Precision Machine Design and Error Assessment. CRC Press, 2008. http://dx.doi.org/10.1201/b15822.

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Mekid, S., and Samir Mekid. Introduction to Precision Machine Design and Error Assessment. Taylor & Francis Group, 2008.

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Mekid, Samir. Introduction to Precision Machine Design and Error Assessment. Taylor & Francis Group, 2008.

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Book chapters on the topic "Precision Machine Design"

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Xu, Peng, Chi Fai Cheung, Bing Li, Chunjin Wang, and Lai Ting Ho. "Design, Development, and Analysis of a Hybrid Serial-Parallel Machine for Precision Polishing." In Precision Manufacturing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-0381-4_20.

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Xu, Peng, Chi Fai Cheung, Bing Li, Chunjin Wang, and Lai Ting Ho. "Design, Development, and Analysis of a Hybrid Serial-Parallel Machine for Precision Polishing." In Precision Manufacturing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-10-5192-0_20-1.

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Jiao, Chang Jun, Xu Hui Xie, Sheng Yi Li, Lin Zhou, and Yi Fan Dai. "Design of Ion Beam Figuring Machine for Optical Mirrors." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.756.

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Wang, Bo, Ju Xiang Wang, and Ying Chun Liang. "Design of the Servo System for the Micro Milling Machine." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.389.

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Hu, Ying, Bing Li, Dai Zhong Su, and Hong Hu. "Dynamic Design for a Novel Parallel Kinematic Machine with Passive Linkage." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.1037.

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Zheng, Zi Wen, Li De Jia, Sheng Yi Li, and Yi Fan Dai. "Development of a New Optical Coordinate Measurement Machine in Cylinder Coordinates." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.745.

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Wang, Wei, Sung Hwan Kweon, Young Suk Kim, and Seung Han Yang. "Design of Geometric Error Measuring System on a Miniaturized Machine Tool with Optics." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.1215.

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Yang, Xiao Jun, Bing Li, and Dong Lai Zhang. "Kinematics Calibration of Parallel Kinematic Machine Using a Developed Double-Ball Bar Gauge." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.243.

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Etesami, Faryar. "Tolerance Design for Unconstrained Fits Between Two Parts Part II: Precision Fits." In Geometric Tolerancing Standard to Machine Design. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-47585-6_3.

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Yang, Yuan Hua, Shi Jin Chen, Xi Zhi Sun, and Kai Cheng. "Structural Design of a Bench-Type Ultra-Precision Machine Tool for Micro-Structured Optical Components." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.408.

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Conference papers on the topic "Precision Machine Design"

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Borboni, Alberto, Elisabetta Ceretti, Alessandro Copeta, Davide Moscatelli, Rodolfo Faglia, and Aldo Attanasio. "High Precision Machine Based on a Differential Mechanism." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20078.

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Micromachining processes deal with the production of parts characterized by features in the micro range (i.e., with dimension lower than 1 mm). Several works are present in literature analyzing the tool behaviors, the material influence on the process, and the machine design. In fact, the downsize of the process up to the microscale needs a full review of all the knowledge coming from the meso and macro scale. As a consequence, machines suitable for micromachining processes were recently introduced in the market. Usually, these machines are classified by the classical gantry layout structure supported by a granite frame and, in order to guarantee the needed requirements of precision and accuracy in the micro scale, they are based on fluid-supported axes and active and/or passive vibration control systems. This paper proposes a new concept design: a high precision machine (HPM) based on an innovative layout exploiting a differential mechanism with three motors for two degrees of freedom using pulleys and metal belts. This new layout exhibits relevant advantages. The most significant is that all the worktable servo drives, that moves along x and y axes, are ground-fixed. This allows to isolate the working area of the machine from the servo drives. The system of pulleys and belts holding the working table slides on air bearings in order to minimize the micro vibrations induced by all the drives. A further peculiarity of the machine consists of the double z-axis each of them is motorized by a micrometer slide with linear absolute encoder. The first z-axis is equipped with a spindle for performing micro machining processes (drilling and milling). The second z-axis is equipped with a laser head for micro ablation. The servo drives of the two z-axes are controlled by the same control system of the worktable. Another important feature of the proposed layout is that the differential configuration of the xy mechanism admits the use of a constant speed signal to each control reference with no output displacements. This allows to guarantee non-inversion of motion of the servo-drives and so the avoidance of problems due to backlash and/or static friction. Drives are controlled by position and speed control loops with PID architecture, anti-windup and feed forward strategies. Controllers have been tuned by the use of a genetic algorithm applied to a dynamic model of the system. As a general consideration, the quality of the investigated micro machining processes can be improved with the designed machine structure.

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Van Bibber, Mason, and Behnam Bahr. "Design and Control of a High Precision Laser-Cutting Machine." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88131.

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Education in mechanical design and control theory is paramount to anyone interested in engineering and the “Maker” culture. Additionally, integration of concepts normally presented in discrete learning segments enhances technical and intuitive understanding of how systems work individually and together. This project aims to increase students’ understanding of engineering topics while equipping them with the necessary tools and information to recreate a high-precision laser-cutting machine at a minimal cost. These topics include electronic designs, mechanical assemblies, machine calibration, and control theory. Although there is a wide range of laser-cutting machines currently available, most low-cost options are inaccurate and low-quality. Because such systems come preassembled and with little documentation, using them offers no educational value with respect to learning how the system functions. Since pre-assembled systems offer little hands-on learning potential related to their construction and design, the goal of this project is to develop a system that will offer this experience and enhance student understanding as they “Learn by Doing.” Students learning about the aforementioned topics will investigate them by constructing their own low-cost and reproducible laser-cutting machine. This system will enable students to study how to combine the ideas and theories learned throughout their engineering curriculum into a single design.

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Edwards, Stephen A., and Edward A. Lee. "The Case for the Precision Timed (PRET) Machine." In 2007 44th ACM/IEEE Design Automation Conference. IEEE, 2007. http://dx.doi.org/10.1109/dac.2007.375165.

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Nanlawala, Michael, and Ali Manesh. "Robotic Deburring of Precision Gears." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/ptg-14420.

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Abstract Machining processes such as milling, drilling, turning, hobbing or gear teeth cutting create burrs on the edges of metal parts when the cutting tool pushes material over an edge, instead of cutting cleanly through the material. The size, shape and characteristics of the resulting burrs depend upon a number of process factors such as: tool material and its hardness, tool sharpness, tool geometry, cutting forces, ductility of the material being machined, speed and feed of the cutting tool, and depth of the cut. Except for the turning operation, a subsequent deburring operation is often required to remove the “loose” burrs and also to produce a chamfer to “break” or smooth the edges of the machined part. Gears, in general are deburred manually or by simple mechanical equipment such as Redin™ Deburring Machine. Because of the complexity and/or specific chamfering requirements of aerospace gears, most of these gears have to be deburred manually. In general, manual deburring is a very labor intensive process. Poor quality resulting from inconsistent manual operation, health, safety and environmental related issues, and high turnover of operators incur indirect cost as well. The “Redin Deburring Machines”, however, lack the dexterity and the programmability, which are essential to meet the specific chamfering needs of usually complex shaped aerospace gears. Automating the deburring process can therefore result in significant cost reduction, improved productivity, and improved quality of deburred edges. Mainly because of these reasons, there has been industry wide demand to replace manual deburring by more efficient, reliable and safer automated deburring system.

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Wagner, Michael. "Design of a measuring machine for optical filters." In Eighth European Seminar on Precision Optics Manufacturing, edited by Alexander Haberl, Gerald Fütterer, Oliver W. Fähnle, and Rolf Rascher. SPIE, 2021. http://dx.doi.org/10.1117/12.2594445.

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Wu, Tao, Xinrong Chen, Chaoming Li, Jiayao Pan, Shuncheng Sun, and Gaoxiang Xu. "Design of two-dimensional grating for high precision precision machine tool measurement." In Nanophotonics. SPIE, 2023. http://dx.doi.org/10.1117/12.2651639.

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Wang, Yeqin, Yiguo Deng, Yuan Zhang, and Lijiao Wei. "Design of natural rubber precision ditch fertilization machine." In 2017 6th International Conference on Measurement, Instrumentation and Automation (ICMIA 2017). Atlantis Press, 2017. http://dx.doi.org/10.2991/icmia-17.2017.129.

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Pegna, Joseph. "Generalized Abbe Principle: Position Error Propagation in Machine Elements." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/dac-1498.

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Abstract In the quest for ever finer levels of technology integration, mechanical linkages reach their precision limits at about 5micrometers per meter of workspace. Beyond this physical limit, all six dimensional degrees of freedom need to be precisely ascertained to account for mechanical imperfections. This paper substantiates Wu’s vision of “precision machines without precision machinery.” A formulation and statistical characterization of position and orientation error propagation in rigid bodies are presented for two extreme models of measurement. It is shown that error distribution is uniquely dependent upon the design of the measurement plan. The theoretical foundations presented were evolved in the course of designing precision machinery. Other potential applications include: fixture design, metrology, and geometric tolerance verification.

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Zhang, Y. B., F. Ji, Z. Q. Wu, and L. X. Zhang. "On-machine precision measurement technology of tool electrode." In International Conference on Advanced Technology of Design and Manufacture (ATDM 2010). IET, 2010. http://dx.doi.org/10.1049/cp.2010.1313.

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Jia, Q., J. Zha, C. X. Zhang, and Y. L. Chen. "Precision Prediction Model and Experimental Verification of Hydrostatic Bearing-Rotor System of Ultra-Precision Machine Tools." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46588.

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Error averaging effect of the pressured oil film allows for a high motion precision in hydrostatic bearings. This has many applications to ultra-precision machine tools rotor-bearing system. This paper mainly focuses on the studying factors affecting the rotor-bearing system error for hydrostatic rotation table and hydrostatic spindle in ultra-precision grinding machine. Radial run-out error was selected as precision evaluation index. A precision prediction model was established, which takes into structural and dynamic parameters of hydrostatic radial bearing rotor-bearing system into consideration. Effect of assembly tolerance, structural parameters and working conditions on the accuracy of the rotor-bearing system were analyzed. Precision measurements for the ultra-precision hydrostatic rotary table and spindle were carried out. Prediction errors of radial run-out error was found to be less than 23.5%. The model proposed in this paper has high prediction precision and can be used to guide the precision design and optimization of the ultra-precision machine tools rotor-bearing system.

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Reports on the topic "Precision Machine Design"

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Vercelli, Thomas, and Richard Polacek. Deterministic Design of High Precision Slicing Machine Final Report CRADA No. T-160-91-1-C (Advanced manufacturing initiative final report. Deterministic design of high precision slicing machine). Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1432976.

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Adam, Gaelen P., Melinda Davies, Jerusha George, et al. Machine Learning Tools To (Semi-) Automate Evidence Synthesis. Agency for Healthcare Research and Quality (AHRQ), 2025. https://doi.org/10.23970/ahrqepcwhitepapermachine.

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Introduction. Tools that leverage machine learning, a subset of artificial intelligence, are becoming increasingly important for conducting evidence synthesis as the volume and complexity of primary literature expands exponentially. In response, we have created a living rapid review and evidence map to understand existing research and identify available tools. Methods. We searched PubMed, Embase, and the ACM Digital Library from January 1, 2021, to April 3, 2024, for comparative studies, and identified older studies using the reference lists of existing evidence synthesis products (ESPs). We plan to update searches every 6 months. We included evaluations of machine learning or artificial intelligence tools to automate or semi-automate any stage of systematic review production. Two reviewers conducted title and abstract screening independently, with disagreements resolved through discussion or adjudication by a third reviewer. A single reviewer performed full-text screening and data extraction. We did not assess the quality of individual studies or the strength of evidence across studies. Extracted data included key characteristics of the tools (e.g., type of automation method, systematic review tasks automated), evaluation methods, and performance results (e.g., recall, measures of workload, accuracy, and the authors’ conclusions). The protocol was prospectively registered on the AHRQ website (https://effectivehealthcare.ahrq.gov/products/tools/protocol). Results. We included 56 studies, which evaluated the performance of tools primarily relative to standard human processes across various systematic review tasks. For search-related tools (7 studies), recall (the percent of relevant citations correctly identified) ranged from 0 to 97 percent (median 26%) compared to human-developed search strategies, while precision (the percent of identified citations that are relevant) ranged from 0 to 13.4 percent (median 4.3%). Tools designed to identify randomized controlled trials (RCTs) (6 studies) had recalls between 96 and 100 percent (median 98.5%), with precision ranging from 8 to 92 percent (median 44%), compared to either manual identification or PubMed’s “publication type” tags. Abstract screening tools (22 studies) had a median recall of 93 percent (range 1–100%) with human screening as the standard, while median burden reduction was 50 percent (range 1–93%), and median work saved over sampling to achieve 95 percent recall (WSS@95) was 54 percent (range 33–90%). Data extraction tools (9 studies) showed highly variable performance, with the percentage of data correctly extracted compared to manual extraction ranging from 0 to 99 percent (median 10%). Finally, tools used for risk of bias assessment (7 studies) showed modest agreement with human reviewers, with Cohen’s weighted kappa ranging from 0.11 to 0.48 (median 0.16). Discussion. Certain tools, particularly those for automatically identifying RCTs and prioritizing relevant abstracts in screening, show a high level of recall and precision, suggesting they are nearing widespread use with human oversight. However, other tools, such as those for searching and data extraction, show highly variable performance and are not yet reliable enough for semi-automation. This work revealed the importance of developing standardized evaluation frameworks for assessing the performance of machine learning and artificial intelligence tools in systematic review tasks. We did not assess the risk of bias or methodological quality of the included studies, which may affect the reliability and comparability of the reported performance outcomes. Additionally, the tools were evaluated in a variety of settings, tasks, and review questions, which introduces heterogeneity that makes direct comparisons across tools challenging. Lastly, the rapidly evolving nature of machine learning technologies means that our findings may quickly become outdated. Therefore, we have planned ongoing updates every 6 months.

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SUPER-RESOLUTION RECONSTRUCTION AND HIGH-PRECISION TEMPERATURE MEASUREMENT OF THERMAL IMAGES UNDER HIGH- TEMPERATURE SCENES BASED ON NEURAL NETWORK. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.2.9.

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Accurate temperature readings are vital in fire resistance tests, but conventional thermal imagers often lack sufficient resolution, and applying super-resolution algorithms can disrupt the temperature and color correspondence, leading to limited efficiency. To address these issues, a convolutional network tailored for high-temperature scenes is designed for image super-resolution with the internal joint attention sub-residual blocks (JASRB) efficiently integrating channel, spatial attention mechanisms, and convolutional modules. Furthermore, a segmented method is developed for predicting thermal image temperature using color temperature measurements and an interpretable artificial neural network. This approach predicts temperatures in super-resolution thermal images ranging from 400 to 1200°C. Through comparative validation, it is found that the three-neuron neural network approach demonstrates superior prediction accuracy compared to other machine learning methods. The seamlessly combined proposed super-resolution architecture with the temperature measurement method has a predicted RMSE of 20°C for the whole temperature range with over 85% of samples falling within errors of 30°C.

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TESTING OF ADDITIVELY MANUFACTURED STAINLESS STEEL MATERIAL AND CROSS-SECTIONS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.175.

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Powder bed fusion (PBF) additive manufacturing has the potential for significant impact on the construction industry due to its ability to produce complex and free-form components with high-precision. However, the size of components is limited by the build envelope of PBF machines. Laser welding offers a means of joining small individual PBF parts together to create larger-scale parts. This paper investigates the microstructure and material properties of stainless steel coupons with and without laser-welded joints, in conjunction with the structural performance of stainless steel circular hollow sections (CHS) at the cross-sectional level, with all specimens printed by PBF. The PBF base material exhibited a typical cellular microstructure, while the weld material consisted of equiaxed, columnar and cellular dendrite microstructures. The proof strengths of the weld were lower than those of the base metal, and the strengths of the PBF base metal were dependent on the build direction – the vertically built coupons showed lower proof strengths than the horizontal coupons. The axial resistances of the PBF CHS are safely predicted by the EN 1993-1-4 design provisions and the deformation-based continuous strength method (CSM).

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