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Relevant bibliographies by topics / Straightness measurement

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Journal articles
Dissertations / Theses
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Academic literature on the topic 'Straightness measurement'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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Journal articles on the topic "Straightness measurement"

1

Zhou, Lian, Nan Zheng, Jie Li, et al. "Splicing Measurement and Compensation of Straightness Errors for Ultra-Precision Guideways." Micromachines 14, no. 9 (2023): 1670. http://dx.doi.org/10.3390/mi14091670.

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The straightness error of guideways is one of the key indicators of an ultra-precision machine, which plays an important role in the machining accuracy of a workpiece. In order to measure the straightness error of a long-distance ultra-precision guideway accurately, a splicing measurement for the straightness error of a guideway using a high-precision flat mirror and displacement sensor was proposed in this paper, and the data splicing processing algorithm based on coordinate transformation was studied. Then, comparative experiments on a splicing measurement and direct measurement of the strai

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Pan, Xiao Bin, and Yang Pan. "Design of a Straightness Measurement Device for the Slider's Motion of the Press." Applied Mechanics and Materials 201-202 (October 2012): 686–91. http://dx.doi.org/10.4028/www.scientific.net/amm.201-202.686.

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A straightness measurement device for theqitade haishi FD slider’s motion of the press is presented. The design uses eddy current sensors, which will accomplish the measurement of straightness in un-contacted ways. MCU takes charge of data process. The straightness error can be calculated by the arithmetic of mean value. A straightness evaluation system is constructed as well. This device changes the traditional way of straightness measurement which is measured by the dial indicator. And it can improve the efficiency of straightness measuring task

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Lv, Jiakun, Peng Shi, Zhijun Wan, et al. "Research on a Real-Time Monitoring Method for the Three-Dimensional Straightness of a Scraper Conveyor Based on Binocular Vision." Mathematics 10, no. 19 (2022): 3545. http://dx.doi.org/10.3390/math10193545.

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Measuring the straightness of the scraper conveyor, which is an indispensable piece of equipment in a fully mechanized coal face, can prevent accidents such as derailment of the shearer and is also important for the precise positioning of the shearer and the accurate control of the hydraulic support. The existing scraper conveyor straightness measurement methods have the disadvantages of inconsistent measurement cost, accuracy, and reliability as well as low dimension of straightness description. To this end, this paper proposes a method for monitoring the three-dimensional straightness of a s

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Liu, C. H., Y.-R. Jeng, W. Y. Jywe, S.-Y. Deng, and T.-H. Hsu. "Automatic straightness measurement of a linear guide using a real-time straightness self-compensating scanning stage." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 223, no. 9 (2009): 1171–79. http://dx.doi.org/10.1243/09544054jem1319.

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In this paper a method is developed for straightness measurement of a linear guide by using a straightness self-compensating stage with an optical straightness measuring system, an eddy current sensor, and a cross-roller type compensation stage. Both the compensation stage and the optical straightness system were set up on a scanning stage to measure the straightness error of the scanning stage. The measured straightness error was fed back to the control system to compensate directly in real time. Thus, straightness of a linear guide without the added straightness error of the scanning stage c

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Vekteris, Vladas, Mindaugas Jurevicius, and Vytautas Turla. "Optical device for straightness measurement." Applied Physics B 121, no. 2 (2015): 203–8. http://dx.doi.org/10.1007/s00340-015-6219-5.

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Zhang, Wei, Zongwang Han, Yang Li, Hongyu Zheng, and Xiang Cheng. "A Method for Measurement of Workpiece form Deviations Based on Machine Vision." Machines 10, no. 8 (2022): 718. http://dx.doi.org/10.3390/machines10080718.

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Machine vision has been studied for measurements of workpiece form deviations due to its ease of automation. However, the measurement accuracy limits its wide implementation in industrial applications. In this study, a method based on machine vision for measurement of straightness, roundness, and cylindricity of a workpiece is presented. A subsumed line search algorithm and an improved particle swarm optimization algorithm are proposed to evaluate the straightness and roundness deviations of the workpiece. Moreover, an image evaluation method of cylindricity deviation by the least-square fitti

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Arai, Yoshikazu, Wei Gao, S. Kiyono, and Tsunemoto Kuriyagawa. "Measurement of the Straightness of a Leadscrew-Driven Precision Stage." Key Engineering Materials 295-296 (October 2005): 259–64. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.259.

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This paper describes a multi-probe method for measuring the straightness error of a leadscrew-driven stage. Two displacement probes are employed to scan a flat artifact mounted on the stage. The surface profile error of the flat artifact is separated from the straightness error of the stage in a differential output of the probes. The straightness error can thus be obtained accurately from an integration operation of the differential output without the influence of the surface profile error. An improved technique of data processing is adopted for measurement of straightness error components wit

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Ni, J., P. S. Huang, and S. M. Wu. "A Multi-Degree-of-Freedom Measuring System for CMM Geometric Errors." Journal of Engineering for Industry 114, no. 3 (1992): 362–69. http://dx.doi.org/10.1115/1.2899804.

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A precision multi-degree-of-freedom measuring (MDFM) system has been developed and implemented for the simultaneous measurement of straightness, pitch, yaw, and roll errors of the moving axes of a CMM. The system is based on the principles of laser alignment and autocollimator. Its measurement principles and the influence of laser beam drifts on its measurement quality have been investigated and some improvement schemes have been implemented. Through the measurements of actual as well as artificially created geometric errors of the CMM, it has been found that the system’s accuracy of measuring

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Osawa, Sonko, Osamu Sato, and Toshiyuki Takatsuji. "Multiple Measurement Techniques for Coordinate Metrology." Key Engineering Materials 381-382 (June 2008): 93–94. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.93.

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Reversal and multiple measurement techniques have been used in dimensional metrology [1]. The reversal technique in straightness measurement is very common method. The techniques are able to reduce the errors which come from a measuring instrument and compensate the errors automatically. The techniques are available to CMM measurements. For ball-plate calibration, the reversal technique is used in National Metrology Institutes (NMIs). The technique automatically eliminates the geometrical errors of a CMM, for example, straightness, perpendicular and angle (pitch, yaw and roll). The multiple me

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Shen, Hao, Wei Fan, Shicheng Hu, and Yonggang Zhao. "Research on Underwater Straightness Measurement Method Using Ropes." Advances in Engineering Technology Research 7, no. 1 (2023): 233. http://dx.doi.org/10.56028/aetr.7.1.233.2023.

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In this paper, we study the behavior of a rope impacted by currents in underwater crossflow and propose a method for measuring the straightness of long distance underwater objects using the rope as a reference line. The theoretical model includes the behavior of ropes under different loads and the composition of loads, which can simulate the displacement state of ropes in actual sea areas and be used for straightness measurement. This method provides an idea for conducting long-distance straightness measurement underwater to meet practical needs.

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Dissertations / Theses on the topic "Straightness measurement"

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Pavelescu, Alina, Victor Eriksson, Kevin Hammar, et al. "Tube straightness measurement : Independent Project in Chemical and Materials Engineering." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354750.

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Borisov, Oleg. "New optical sensing system applied to taut wire based straightness measurement." Thesis, University of Huddersfield, 2015. http://eprints.hud.ac.uk/id/eprint/24846/.

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In modern manufacturing industry, precision components are typically produced on Computer Numerical Controlled (CNC) machine tools which translate their accuracy onto machined parts. This accuracy is affected by a set of different motion errors caused by inherent imperfections in the design and build of the machine, variations in the local environment such as temperature, the cutting process itself and human factors. The reduction of these effects is achieved primarily through design improvements and error compensation techniques. The latter requires detailed knowledge about the existing error

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Zatočilová, Aneta. "Měření a vyhodnocování přímosti osy rotačních výkovků pomocí fotogrammetrie a analýzy obrazu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234252.

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The thesis deals with methodology proposal for shape and dimension measurement of rotationally symmetric forgings. Most of available non-contact systems are not possible to use for this purpose, mainly due to high temperatures and large dimensions of forgings. Only a few commercial systems which are designed for this specific measurement are currently in the market. These systems are based on a principle of evaluating time response of posted modulated signal. However, scientific literature shows also other approaches to the measurement, which are based on principle of triangulation and methods

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Belhadj, Ahmed Abdelwahed. "Contribution à l’amélioration de la rectitude dans l’obtention de produits longs : application aux abouts de rails." Thesis, Paris, ENSAM, 2013. http://www.theses.fr/2013ENAM0066/document.

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Les produits longs se distinguent par une dimension, généralement la longueur plus importante que la hauteur et la largeur, à titre d'exemple les rails de chemin de fer. Ces produits sont obtenus par déformation plastique à chaud puis refroidissement. Au cours du processus de fabrication, l'hétérogénéité du refroidissement et de la déformation plastique induisent un défaut géométrique de rectitude. Pour parachever la rectitude du produit, un redressage à froid est alors nécessaire. Souvent des dresseuses à galets sont utilisées pour corriger la rectitude du centre de produit, cependant, il res

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Únar, Jan. "Posouzení geometrické přesnosti obráběcího centra pomocí digitálních inklinometrů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444307.

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This diploma thesis deals with assessment of geometric accuracy of machining center MCV 754 QUICK. BlueSYSTEM digital inclinometers from WYLER AG, XL-80 laser interferometer from RENISHAW, Ballbar QC20-W from RENISHAW and LaserTRACER self-guiding laser interferometer from ETALON AG were used to measure accuracy. Error of the X straightness in the direction of the Z axis was assessed. The first part of the paper describes the geometric accuracy of the machine, currently available instruments for measuring geometric accuracy and an explanation of straightness. The second part consists of the des

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Paziani, Fabricio Tadeu. "Desenvolvimento de um sistema automatizado e dedicado de medição." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-21092015-102558/.

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Sistemas dedicados de medição são especialmente recomendados para a inspeção repetida de uma característica mecânica. Entretanto, instrumentos e sistemas de medição apresentam erros que deterioram o resultado da inspeção. Tal circunstância demanda a aplicação de técnicas de separação de erros que viabilizem o desacoplamento dos erros induzidos pelo sistema de medição daqueles apresentados pelas peças medidas. Este trabalho tem por objetivo apresentar um sistema automatizado e dedicado à medição de erros de retilineidade e circularidade em componentes mecânicos. Um robô industrial foi empregado

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Cai, Jhih-Sian, and 蔡志賢. "On-line Measurement for the Straightness and Angular Motions On the linear axis." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/hs725q.

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碩士<br>國立虎尾科技大學<br>光電與材料科技研究所<br>98<br>An integrated system for measuring optical path is designed and developed in this research. This system involves two straightness measuring modules adopting collimation invisible light LEDs with a 1D bi-cell detector to estimate the pitch and the yaw of a precision platform, and one angle measuring module with an optical pickup head and a 2D quadrant detector to probe the roll of the precision platform. The system is used directly to a translational platform and is shown to be easily-fabricated and quickly-measuring to support real-time operation through a

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Chen, Jhih-Sheng, and 陳志昇. "The Embedded System Design with Wireless Data Capture and Straightness Measurements Applied in the Precise Machine Tools Measurement." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/88j473.

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碩士<br>國立虎尾科技大學<br>資訊工程系碩士班<br>104<br>With the advance of science and technology, the inspection and error analysis methods of the mainframe platforms are more important than before. In particular, the correction method of assembly mainframe platform is limited by the traditional length and precision of the right angle specification. Normally, those electrical levels, laser interferometers and collimators are utilized to perform verification or inspection of straightness, squareness and parallelism. The most commonly laser collimator is applied in this study that is for verification or inspecti

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Book chapters on the topic "Straightness measurement"

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Yin, Zi Qiang, S. To, and Ling Bao Kong. "Novel Error Separation Method for Straightness Measurement." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.572.

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Arai, Yoshikazu, Wei Gao, S. Kiyono, and Tsunemoto Kuriyagawa. "Measurement of the Straightness of a Leadscrew-Driven Precision Stage." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-977-6.259.

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González, Rafael C., Raul Valdés, and Jose A. Cancelas. "Vision Based Measurement System to Quantify Straightness Defect in Steel Sheets." In Computer Analysis of Images and Patterns. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44692-3_52.

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Gao, Wei, J. Yokoyama, S. Kiyono, and N. Hitomi. "A Scanning Multi-Probe Straightness Measurement System for Alignment of Linear Collider Accelerator." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-977-6.253.

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"Scanning Error Separation System for Measurement of Straightness." In Springer Series in Advanced Manufacturing. Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-254-4_6.

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Shengyi, Li, and Liang Cheng. "The Optimum EST-A New Method for On-line Measurement of the Straightness of Precision Machine Tools and Machined Workpiece." In International Progress in Precision Engineering. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-7506-9484-1.50053-1.

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Conference papers on the topic "Straightness measurement"

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Han, Xiaolan, Binbin Zhang, Fan Xie, and Lipeng Qiu. "Measurement System Of Deep Hole Straightness Based On Computer Control." In 2024 International Seminar on Artificial Intelligence, Computer Technology and Control Engineering (ACTCE). IEEE, 2024. https://doi.org/10.1109/actce65085.2024.00069.

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Hager, Stefan, Ernst Csencsics, Han Woong Yoo, and Georg Schitter. "Reducing the uncertainty of laser straightness measurements via local saturation of imaging sensors." In 2024 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2024. http://dx.doi.org/10.1109/aim55361.2024.10637144.

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Hau, J. L. "Pressure Vessels Fire Damage Assessment in a Refinery Unit." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92445.

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Abstract Results from in-situ metallography, hardness testing, crack detection and measurements of thicknesses, out-of-plumbness, circumference and straightness carried out in pressure vessels, are described as activities of an investigation conducted to assess suitability for further service after an accidental fire that took place in January 11, 1991 in the alkylation unit of the refinery. The procedure used is proposed as a systematic approach to deal with the task of assessing fitness of vessels after possible fire damage. Based on the experience acquired during this study, the emphasis is

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Wu, Xuhua, Lei Chen, and Jiaofen Sun. "Straightness error measurement of horizontal slideway." In 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, edited by Xun Hou, Jiahu Yuan, James C. Wyant, Hexin Wang, and Sen Han. SPIE, 2006. http://dx.doi.org/10.1117/12.676720.

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Tenjimbayashi, Koji, and Hiromitsu Furukawa. "Straightness measurement of a linear stage." In 19th Congress of the International Commission for Optics: Optics for the Quality of Life, edited by Giancarlo C. Righini and Anna Consortini. SPIE, 2003. http://dx.doi.org/10.1117/12.531102.

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Uchikoshi, Junichi, Shoichi Shimada, Naoya Ikawa, and Akio Komura. "Straightness measurement using laser beam straight datum." In International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, edited by Toshio Kasai. SPIE, 1995. http://dx.doi.org/10.1117/12.215602.

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Liang, Jian C., Shengyi Li, and Shuzi Yang. "Problems and solution methods for on-line measuring straightness." In Measurement Technology and Intelligent Instruments, edited by Li Zhu. SPIE, 1993. http://dx.doi.org/10.1117/12.156358.

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He, Mingzhao, Xiaoyou Ye, Jianshuang Li, and Xiaochuan Gan. "Evaluation of Spatial Straightness Error using LaserTRACER." In International Symposium on Precision Engineering Measurement and Instrumentation 2012, edited by Jie Lin. SPIE, 2013. http://dx.doi.org/10.1117/12.2014642.

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Liu, Zhao, Chunchen Dong, Yun Pei, and Jianyi Kong. "Online Rail Straightness Measurement Based on Parallel Computing." In 3rd International Conference on Material, Mechanical and Manufacturing Engineering (IC3ME 2015). Atlantis Press, 2015. http://dx.doi.org/10.2991/ic3me-15.2015.215.

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Widya Ninggar, Yosefin Antoineta, and Jyun-Ping Huang. "Sample Size Analysis for the Measurement of Straightness." In 2021 IEEE 3rd Eurasia Conference on IOT, Communication and Engineering (ECICE). IEEE, 2021. http://dx.doi.org/10.1109/ecice52819.2021.9645646.

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Reports on the topic "Straightness measurement"

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Bundy, Mark, Jim Garner, Mark L. Kregel, and Mark D. Kregel. A Barrel Straightness Measurement System for Medium Caliber. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada473697.

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MATERIAL PROPERTIES AND LOCAL STABILITY OF WAAM STAINLESS STEEL PLATES WITH DIFFERENT DEPOSITION RATES. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.244.

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Wire arc additive manufacturing (WAAM) has significant potential to produce freeform, but structurally efficient geometries out of stainless steel, for use in the construction industry, however, there is currently no standardisation of the manufacturing parameters used to produce WAAM structures. This paper discusses an experimental programme carried out on WAAM 316L stainless steel plated structures to assess the effects of the deposition rate, which is directly associated with productivity. This programme comprises tensile tests on coupons extracted along different printing directions, geome

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A PRELIMINARY STUDY OF DEPOSITION RATE, MATERIAL PROPERTY AND STABILITY OF WAAM STAINLESS STEEL PLATES. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.1.4.

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Wire arc additive manufacturing (WAAM) has significant potential to produce freeform, but structurally efficient geometries out of stainless steel, for use in the construction industry, however, there is currently no standardisation of the manufacturing parameters used to produce WAAM structures. This paper discusses an experimental programme carried out on WAAM 316L stainless steel plated structures to assess the effects of the deposition rate, which is directly associated with productivity. This programme comprises tensile tests on coupons extracted along different printing directions, geome

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