Academic literature on the topic 'Roundness instrument'

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Journal articles on the topic "Roundness instrument"

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Jiang, Feng Guo, Bin Zhu, Yan Tao Wang, and Peng Liu. "Roundness Error Measurement of Shaft Parts Based on Virtual Instrument." Advanced Materials Research 591-593 (November 2012): 2595–98. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.2595.

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Roundness error is widely measured in machinery industry, but existing roundness error measuring instruments have much weakness such as single function and low intelligent level, etc. Aimed at the shortage of traditional roundness error measuring instruments, the roundness error measuring system based on virtual instrument is developed. This system which takes NI LabVIEW8.5 as development platform, evaluates roundness error with the least square method, adopts modular design, combines with 610H IPC, PCI-1716 data acquisition card, stepping motors, LVDT sensor and other hardware can realize fast, precise measurement of roundness error of shaft parts. It is verified to be feasible by measuring standard parts. Compared with the similar product, this system has many advantages such as simple operation, intuitive display, high intelligent level and so on.
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SONG Kang, 宋康, 廖俊必 LIAO Jun-bi, 林长青 LIN Chang-qing, and 曹学东 CAO Xue-dong. "Leveling and cylindricity error assessment for roundness measuring instrument." Optics and Precision Engineering 22, no. 12 (2014): 3360–67. http://dx.doi.org/10.3788/ope.20142212.3360.

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Morii, Hideki, Hikaru Masuta, Hiroaki Kimura, Michihiro Sekimoto, and Hitoshi Kamiya. "Development of Highly Accurate and Robust Roundness Measuring Instrument." Journal of Physics: Conference Series 1065 (August 2018): 142007. http://dx.doi.org/10.1088/1742-6596/1065/14/142007.

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Zhou, Fen Fen, Hui Zong Lu, Ju Long Yuan, and Fan Li. "Review on Multi-Point Method for Roundness Error Separation." Advanced Materials Research 797 (September 2013): 555–60. http://dx.doi.org/10.4028/www.scientific.net/amr.797.555.

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While measurement accuracy can be increased through continuously improving instrument precision, certain measurement errors can be eliminated via data processing using properly devised processing algorithms. Multi-point roundness error separation methods that are the subjects of study in this paper are reviewed, in particularly, three-point method and other multi-point methods that are based on three-point roundness error separation method, such as two-point method, mixed method and four-point method are summarized. Finally a comparison between each separation methods mentioned in this paper is made. Our views of future development trend in multi-point roundness error separation methods are presented.
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Song, Kang, Jun Bi Liao, Chang Qing Lin, Xue Dong Cao, Yang Yu, and Rui Ji. "Study of Improvement of Measurement Precision for Roundness Measuring Instrument." Applied Mechanics and Materials 530-531 (February 2014): 117–26. http://dx.doi.org/10.4028/www.scientific.net/amm.530-531.117.

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Based on the requirement of small errors in measuring roundness (cylindricity) error, a leveling methodology which using a dual-point vertical layout has been put forward and analyzed. According to the direction cosine of the axis of workpiece, the amount of leveling has been defined and calculated, which overcomes the problem brought by manual adjustment technology and forms theoretical bases of fast, accurate leveling and high precise measurement. The assessment of roundness (cylindricity) error is to search for a center (cylinder axis) which satisfies the minimum condition. Due to the reliance of initial solutions and relative slowness in terms of convergence precision and convergence rate when using Nelder-Mead simplex method, a combinative method of Quasi-Newton and N-M simplex method has been proposed which achieves a fast, accurate search for global optimums. With the proof of the simulation of classical testing functions using Matlab and the measured data, the convergence rate and precision will be enhanced effectively has been certified with the combination of both methods mentioned above which ensuring and improving the measuring precision of workpiece.
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Sappok, Daniel, and Bernd Sauer. "Wear Measurement on Chain Joint Components Using a Roundness Instrument." Periodica Polytechnica Mechanical Engineering 59, no. 2 (2015): 51–59. http://dx.doi.org/10.3311/ppme.7780.

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Gleason, E., and H. Schwenke. "A Spindleless Instrument for the Roundness Measurement of Precision Spheres." Precision Engineering 22, no. 1 (January 1998): 37–42. http://dx.doi.org/10.1016/s0141-6359(97)00089-5.

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Zhao, Zexiang, Jianpu Xi, Xinyu Zhao, Guoqing Zhang, and Mengjiao Shang. "Evaluation of the Calculated Sizes Based on the Neural Network Regression." Mathematical Problems in Engineering 2018 (October 2, 2018): 1–11. http://dx.doi.org/10.1155/2018/4078456.

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The evaluation models of circumference diameter, area diameter, and volume diameter were established based on the cylindrical coordinate measuring method, respectively. Many groups of roundness profiles of cylindrical specimens were extracted, and their pseudo and actual circumference diameters, area diameters, and volume diameters were evaluated according to the established evaluation models and the sampling data of the extracted roundness profiles. The relationship models between the pseudo calculated sizes and the actual calculated sizes were built through a series of training based on the neural network regression. The checked experiments for the training models showed that the evaluation of the calculated sizes can meet their measurement accuracy requirement through the pseudo calculated sizes, which were evaluated based on the roundness profiles by using the cylindricity or roundness measuring instrument.
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Sofyan Arief, Dodi, Eko Jadmiko, Adhy Prayitno, Muftil Badri, and M. Dalil. "Making roundness measurement applications and control systems on the Roundness Tester Machine." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 63, no. 3 (November 30, 2019): 17–21. http://dx.doi.org/10.36842/jomase.v63i3.141.

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Dial indicator is a comparison device usually used in industrial activities, especially in production. To make measurements at this time must be supported by technology that can facilitate operators when using it and when analyzing measurement results. Involving the programme and microcontroller are a solution to developing in roundness measurement, and then the results can be more accurate or thorough between the readable values read from the measuring instrument with the actual value of varying the amount of data. Roundness application is a program that can input measurement data automatically and can do calculations directly. Then, it can display a reference circle, a table that calculates the values of X, Y, R, X’, Y’, R’, Roundness Deviation, Run out Concentricity or a shift in the center point and also the center point shift or Theta. In measuring roundness, the test object is used the Standard Mandrel which has been certified by PT. Global Quality Indonesia, by determining three points or positions, namely in the first position the amount of data is 180, in the second position the amount of data is 90 and in the third position, the amount of data is 60 with a rotating speed of 15 mm/s. The results of the reference circle can be seen in each calculation in each position, in the second position the roundness deviation values are approaching of the Mandrel.
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Reforiandi, Agus, and Dodi Sofyan Arief. "Design of the Vertical Roundness Tester Machine Using the AHP Method (Analytical Hierarchy Process) Through the DFM Approach (Design for Manufacturing)." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 65, no. 2 (July 30, 2021): 68–76. http://dx.doi.org/10.36842/jomase.v65i2.251.

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The Roundness Tester Machine is a tool used to take measurements that are shown to check the Roundness of an object or to find out whether an object is really round or not when viewed carefully using a measuring instrument. DFM (Design for Manufacturing) is a method for reducing production costs by estimating production costs through reducing component costs, assembly costs, and other production supporting costs based on design submission data without reducing product quality. AHP (Analytical Hierarchy Process) method was chosen as a method to determine the optimal Vertical Roundness Tester Machine design based on a questionnaire given to the expert, to choose the best alternative decision. The questionnaire was created to get priority customer needs which was then used for the initial design. The next stage is selecting the optimal design using AHP which involves experts based on indicators of a product. The highest indicator value obtained on the Vertical Roundness Tester Machine is the accuracy indicator with a value of 48.52%. Then in choosing the optimal design in the DFM analysis, namely in alternative 3, where alternative 3 is the design with the lowest cost so as to minimize the cost of making a Vertical Roundness Tester Machine. The manufacturing cost for alternative design 3 is Rp. 4,173,000.
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Dissertations / Theses on the topic "Roundness instrument"

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Šrůt, Petr. "Měření drsnosti pomocí kruhoměru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232161.

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This master´s thesis deals with the measurement of surface roughness on a roundness instrument Talyrond TR595S. The aim was to expand possibilities of measuring on this roundness instrument. The main benefit of this thesis is creation of the proposal for the roughness measurement components in a horizontal and vertical plane. Thesis also includes the procedure for measuring of the roughness of the circular components including calculation of measurement uncertainty.
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Miethling, Klaus-Dietmar. "Beiträge zur Richtighaltung von Kreisformmessgeräten." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-201554.

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In der Arbeit werden normativ-technische und verfahrenstechnische Voraussetzungen zur Richtighaltung von Kreisformmessgeräten dargelegt. Dazu wird ein umfassendes Begriffssystem für die allgemeine Beschreibung von Bewegungsabweichungen von bewegten Bauteilen an Werkzeugmaschinen oder Formmessgeräten, z.B. Kreisformmessgeräten, als Grundlage für ihre Tolerierung und Messung vorgeschlagen. Bekannte Messverfahren zur Bestimmung von Rotationsabweichungen der Spindel von Kreisformmessgeräten werden theoretisch und praktisch untersucht. Es wird ein neues Messverfahren, das kontinuierliche Relativlagenmessverfahren, entwickelt und ebenfalls untersucht. Die untersuchten Messverfahren zur Bestimmung von Rotationsabweichungen ermöglichen verschiedene Messunsicherheiten bis zu weniger als 0,02 µm. Vorschläge für die Gestaltung des Prüfschemas zur Richtighaltung von Kreisformmessgeräten werden unterbreitet. auch unter: Zentralbibliothek/Magazin/MPF1443
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Miethling, Klaus-Dietmar. "Beiträge zur Richtighaltung von Kreisformmessgeräten." Doctoral thesis, 1987. https://monarch.qucosa.de/id/qucosa%3A20437.

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In der Arbeit werden normativ-technische und verfahrenstechnische Voraussetzungen zur Richtighaltung von Kreisformmessgeräten dargelegt. Dazu wird ein umfassendes Begriffssystem für die allgemeine Beschreibung von Bewegungsabweichungen von bewegten Bauteilen an Werkzeugmaschinen oder Formmessgeräten, z.B. Kreisformmessgeräten, als Grundlage für ihre Tolerierung und Messung vorgeschlagen. Bekannte Messverfahren zur Bestimmung von Rotationsabweichungen der Spindel von Kreisformmessgeräten werden theoretisch und praktisch untersucht. Es wird ein neues Messverfahren, das kontinuierliche Relativlagenmessverfahren, entwickelt und ebenfalls untersucht. Die untersuchten Messverfahren zur Bestimmung von Rotationsabweichungen ermöglichen verschiedene Messunsicherheiten bis zu weniger als 0,02 µm. Vorschläge für die Gestaltung des Prüfschemas zur Richtighaltung von Kreisformmessgeräten werden unterbreitet. auch unter: Zentralbibliothek/Magazin/MPF1443:Verzeichnis der verwendeten Abkuerzungen V Vorwort VII 1. Einleitung 1 2. Grundlagen der radiusbezogenen Kreisformmessung 2 2.1. Eliminierung der Exzentrizitaet 2 2.2. Messunsicherheit der Kreisformmessung 3 2.3. Bewegung eines rotierenden Teiles 3 3. Begriffe und Definitionen zur Bewegung eines Teiles 5 3.1. Allgemeine Bemerkungen 5 3.2. Internationaler Stand 9 3.2.1. Bekannte Begriffe und Definitionen fuer die Bewegung eines Teiles 10 3.2.2. Bekannte Begriffe und Definitionen fuer die Bewegung eines rotierenden Teiles 11 3.2.3. Einschaetzung 14 3.3. Aufgabenstellung zur Erarbeitung von Begriffen und Definitionen 15 3.4. Vorschlag fuer neue Begriffe und Definitionen 16 3.4.1. Vorbemerkungen 16 3.4.2. Begriffe fuer die Verschiebung eines Punktes eines bewegten Teiles 19 3.4.2.1. Begriffe fuer die allgemeine Bewegung 19 3.4.2.2. Begriffe fuer die Rotation 21 3.4.2.3. Begriffe fuer die Translation 23 3.4.2.4. Erlaeuterungen zu den Begriffen 25 3.4.3. Begriffe fuer die Verdrehung einer Strecke eines bewegten Teiles 31 3.4.3.1. Begriffe fuer die allgemeine Bewegung 31 3.4.3.2. Begriffe fuer die Rotation und Translation 37 3.4.3.3. Erlaeuterungen zu den Begriffen 37 3.5. Vergleich und Einschaetzung der neuen Definitionen 43 3.6. Zeichnungsangaben von Bewegungs- und Verdrehungsabweichungen 49 4. Messverfahren zur Bestimmung von Rotationsabweichungen 51 4.1. Theoretische Untersuchungen 52 4.1.1. Vergleichsmessverfahren 53 4.1.2. Mehrlagenmessverfahren 54 4.1.2.1. Umkehrmessverfahren 55 4.1.2.2. Relativlagenmessverfahren 57 4.1.2.2.1. Relativlagenmessverfahren mit zwei Messstellungen 58 4.1.2.2.2. Relativlagenmessverfahren mit punktweiser Berechnung 59 4.1.2.2.3. Relativlagenmessverfahren mit Fourier-Reihen- Berechnung 60 4.1.2.3. Kontinuierliches Relativlagenmessverfahren 61 4.1.3. Weitere Messverfahren 64 4.1.3.1. Frequenztrennmessverfahren 64 4.1.3.2. Fotodiodensignalmessverfahren 65 4.1.4. Einschaetzung 66 4.2. Messtechnische Untersuchungen 67 4.2.1. Relativlagenmessverfahren mit punktweiser Berechnung 68 4.2.2. Vergleichsmessverfahren 73 4.2.3. Kontinuierliches Relativlagenmessverfahren 76 4.2.4. Einschaetzung 86 4.3. Messverfahren zur Richtighaltung von Kreisformmessgeraeten 87 5. Metrologische Richtighaltung 88 5.1. Pruefschema fuer Kreisformmessgeraete 90 5.1.1. Spezialnormal der Laenge fuer die Kreisform 91 5.1.2. Referenznormale 91 5.1.3. Arbeitsmessmittel 92 5.2. Pruefvorschriften fuer Kreisformmessmittel 93 5.2.1. Pruefvorschriften fuer die Eichung der Haupt- normale 93 5.2.2. Betriebliche Pruefvorschriften fuer Kreisformmessgeraete 93 5.3. Einschaetzung 95 6. Weitere Aufgaben 95 Verzeichnis der Anmerkungen 97 Literaturverzeichnis 98 Verzeichnis der Abbildungen 105 Verzeichnis der Anlagen 108 Anlagen 110 Thesen
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Books on the topic "Roundness instrument"

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W, Li. Development of a finite element approach for the optimisation of the dynamic performance of metrology equipment with particular reference to the Taylor Hobson Talyrond 262 roundness measuring instrument. Birmingham: University of Birmingham, 1998.

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Conference papers on the topic "Roundness instrument"

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Loychik, Neil, Mathieu Barraja, Afzal Khan, R. Ryan Vallance, Eric R. Marsh, and Dave A. Arneson. "Mechanical Design of a Precision Instrument for Measuring the Roundness Profiles of Micro Shafts." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21101.

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This paper presents a new instrument for measuring roundness profiles of axially symmetric micro shafts with diameters below 250 micrometers. The instrument will measure form error in cutting tools used for micro machining, small-hole metrology probes, and other high aspect ratio micro structures. This instrument operates on the same physical principle as scanning tunneling microscopes, which measure surface topography using fluctuations in tunneling of electrons between probe and sample. The instrument will measure roundness profiles using a fixed-sensitive-direction arrangement of the detector, similar to macro scale metrology instruments. Challenges resulting from dimensional scaling necessitate an entirely new instrument compared to conventional instruments. We describe the need for this instrument, its working principle, architecture, the design of the traction drive mechanism, and the design of the nano positioning stages.
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Wang, Wei Nong. "Roundness measuring instrument for 2-dimensional standards." In Sixth International Symposium on Precision Mechanical Measurements, edited by Shenghua Ye and Yetai Fei. SPIE, 2013. http://dx.doi.org/10.1117/12.2035806.

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Wang, Yue, Yu Zhang, Yuehong Jin, and Ming Yang. "Research of electrical system reform based on Talyrond 73 roundness instrument." In 2014 IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA). IEEE, 2014. http://dx.doi.org/10.1109/wartia.2014.6976269.

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Luo Chen-xu, Han Zheng-tong, Du Chang-long, and Zhu Yong-she. "The analysis for roundness error of revolution body based on hypothesized instrument." In 2010 2nd International Conference on Information Science and Engineering (ICISE). IEEE, 2010. http://dx.doi.org/10.1109/icise.2010.5688614.

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Liu, Yang, Ziyue Wu, Tancheng Xie, and Yanwei Xu. "Development of the Control System in Bearing Roundness Measuring Instrument Based on CPAC." In 2017 7th International Conference on Education, Management, Computer and Society (EMCS 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/emcs-17.2017.78.

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Xu, Xiping, Guoyu Zhang, Zhiyong An, and Chengzhi Li. "Method of real-time control and data processing of the laser roundness instrument." In Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, edited by Shulian Zhang and Wei Gao. SPIE, 2000. http://dx.doi.org/10.1117/12.403869.

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Che, Ying, Yuzhi Shen, and Jiong Liu. "Development of an optoelectronic instrument for detecting roundness of internal surface of artillery barrel." In Photonics China '98, edited by Shenghua Ye. SPIE, 1998. http://dx.doi.org/10.1117/12.318381.

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Jin, Kun, Yongyi He, and Chang Liu. "A detector circuit design for roundness measuring instrument based on the dynamic offset detection." In 2017 IEEE 2nd Information Technology, Networking, Electronic and Automation Control Conference (ITNEC). IEEE, 2017. http://dx.doi.org/10.1109/itnec.2017.8284814.

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Sahay, Chittaranjan, Suhash Ghosh, Joseph Daniel Premkumar, and Siva Pooja Ramachandran. "Effect of Filter Type and Filter Size on Roundness/Circularity Measurement Using Different Mathematical Algorithms." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23575.

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Abstract In the manufacturing industry, it is almost inconceivable to produce a rotating component without a minimal amount of roundness tolerance. The importance of studying roundness form deviations of circular and cylindrical features is to avoid the excessive lateral or axial runout deviations of the rotating and reciprocating parts during dynamic operations. Considering the precision that industries require now and will require in the future, the authors of this article have chosen roundness (also called circularity per ASME Standards) as the measurable parameter. In order to arrive at precise results, the roundness of a near-to-perfect cylinder is measured on an accurate spindle and turn-table type measuring instrument. Roundness profile, when measured, can be filtered in various ways to reduce or eliminate unwanted details, with a cut-off value set in terms of undulations per revolution (UPR), which gives valuable information about how the component may function, under specific conditions. Looking at real-life roundness graphs it is clear that information exists in the data at different frequencies. A classic example is ovality, which indicates an irregularity that occurs two times in one complete revolution. The workpiece would be said to have two lobes or two UPR. Multiple lobes may be present on a component, a condition contributing to either problems of fit with mating components or part functionality. Additionally, usage of recommended or generalized filter, yields data that approximately lies in the range of acceptability. Thus, there is a strong need to thoroughly understand the effect of filter size and type on roundness (form error for fit) and part functionality. Many published articles have investigated novel filters to accurately and efficiently calculate roundness. However, no work was found in literature that would present the filter size and type selection criteria and correlate it with roundness depending on mathematical method of calculating roundness and further to part functionality. This paper focusses on the investigation of filter type and size effect on roundness based on different mathematical methods of roundness error calculations. By varying parameters like the filter type (Gaussian 50%, 75% and RC Filters), the filter sizes (1 through 500 UPR) and the methods of measuring the roundness — (Least Squares Circle (LSC), Minimum Circumscribed Circle (MCC), Maximum Inscribed Circle (MIC) and Minimum Zone Circles or Separation (MZC or MZS)), roundness at different heights of the workpiece is evaluated. A clear trend is observed from the results, which can further help one to choose filters and their respective sizes for the respective design intent or the application in question.
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Zhang, Zhanfei, Wenhu Wang, Ruisong Jiang, Chengcheng Jin, Xiaoxiang Zhu, and Xiaofen Liu. "Experimental Study on Geometric Precision of Microholes Drilling by Picosecond Laser." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11002.

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Abstract The geometric precision of the film cooling hole has a great influence on the cooling efficiency and fatigue life of the turbine blade. In the paper, the processing of film cooling holes on DD6 single crystal superalloy by picosecond laser is investigated. The pulse laser at pulse duration of 2.1ps, the wavelength of 1030 nm and the repetition frequency of 75 kHz are selected to study the pulse energy, scanning speed, defocus and scanning width on the geometric precision of the film cooling hole. After drilling, the three-dimensional coordinates of the entrance and exit plane of the film cooling holes are obtained by using the three-dimensional surface measuring instrument. The diameter, roundness and taper of the film cooling holes are calculated by extracting and processing the coordinate points of the contour around the microholes. The experimental results show that defocusing has the greatest influence on the taper and roundness of film cooling holes. Negative defocusing can produce severe plasma shielding, which makes the exit roundness and taper larger. With larger pulses, positive defocusing and larger scanning width, smaller roundness and taper can be produced.
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Reports on the topic "Roundness instrument"

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Fiske, Brian, George Ulrich, Dean Freeman, Kenneth Sheffield, and Brian Sizemore. Qualification of Mitutoyo RA-2200 Roundness Tester Measuring Instrument for Clad Vent Set Cup Roundness and Flatness Inspections. Office of Scientific and Technical Information (OSTI), September 2020. http://dx.doi.org/10.2172/1731044.

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