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Journal articles on the topic 'Straightness measurement'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

Wang, Fei Fei, and Wei Ming He. "Online Measurement Experiment and Data Analysis of the Slideway Straightness Motion Error for CMM." Applied Mechanics and Materials 529 (June 2014): 329–33. http://dx.doi.org/10.4028/www.scientific.net/amm.529.329.

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The paper introduces the principle of the sequential two points (STP) method, using the error separation technique to isolate slideway straightness error and workpiece straightness error, by means of measurement and data analysis to study the slideway straightness error. Using least square method for fitting to improve the accuracy of three coordinate measuring machine. Last to assess and maintain the accuracy of the measurement machine.

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12

Okuyama, Eiki, Shingo Asano, Yuichi Suzuki, and Hiromi Ishikawa. "Generalized Two-Point Method for Straightness Profile Measurement - Error Propagation and Experimental Results." Advanced Materials Research 939 (May 2014): 600–606. http://dx.doi.org/10.4028/www.scientific.net/amr.939.600.

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In the straightness profile measurement of a mechanical workpiece, hardware datums have been the traditional standard. However, when the straightness profile is measured using a scanning displacement sensor set on an X-stage as the hardware datums, output of a displacement sensor includes the signal of straightness profile and the sensor’s parasitic motion, i.e. straightness error motion. Then, error separation techniques of the straightness profile from parasitic motions have been developed. For example, two-point method uses two displacement sensors and separates the sensor’s straightness er

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13

Yadav, Sanjay, Jiro Matsuda, and Lalith Prasantha Liyanawadu Chitarage. "Studies on Uncertainty Evaluation in Straightness Measurement." Journal of Robotics and Mechatronics 13, no. 6 (2001): 643–50. http://dx.doi.org/10.20965/jrm.2001.p0643.

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The evaluation of uncertainty associated with measurements of geometrical forms is a subject of considerable interest these days in machine design. In the present study, a straightness measuring machine that was developed at National Research Laboratory of Metrology (NRLM), Japan is investigated to evaluate various uncertainty components associated with measurements over a length of 500mm of a datum cylinder. Investigations on the heating effect of the measuring machine due to heat generated by an electric motor, the effect of the stability and shape of the probe head, the effect of bending of

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14

Liu, Yue, Zhi Wei Hao, and Tian Tian Ren. "Inspection of Large Guide Rail Precision Based on Bistatic Measurement Method." Advanced Materials Research 791-793 (September 2013): 945–48. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.945.

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Use two total stations cooperating with each other to measure the straightness of the guide rail. The straightness can test the accuracy of a large rail. Put the coordinates measuring with the two total station instruments to the same user coordinate system, take a key point between some distance with the auxiliary measuring tool of high precision, measure and record the key point s coordinate values. According to them, it can calculate the straightness of guide rail by using the least square method. The straightness accuracy of bistatic measurement can reach below 0.05mm, so it can meet the a

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15

Xu, Ben Sheng, Can Wang, and Yan Ru Zhong. "Research on Knowledge Base System of Straightness Verification Base on Ontology." Applied Mechanics and Materials 278-280 (January 2013): 1814–17. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1814.

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To realize the management and reuse of the knowledge of straightness verification, the ontology theory is applied in the knowledge base system of straightness verification. The system is divided into three layers: domain layer, inference layer and application layer. The ontology of the straightness verification is established for formal description of the conceptions of straightness verification and the relationship among these conceptions. Related axioms, rules of straightness measurement are given out according to related standard documents. Finally, an application platform is provided for t

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16

Küng, Alain, Benjamin A. Bircher, and Felix Meli. "Low-Cost 2D Index and Straightness Measurement System Based on a CMOS Image Sensor." Sensors 19, no. 24 (2019): 5461. http://dx.doi.org/10.3390/s19245461.

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Accurate traceable measurement systems often use laser interferometers for position measurements in one or more dimensions. Since interferometers provide only incremental information, they are often combined with index sensors to provide a stable reference starting point. Straightness measurements are important for machine axis correction and for systems having several degrees of freedom. In this paper, we investigate the accuracy of an optical two-dimensional (2D) index sensor, which can also be used in a straightness measurement system, based on a fiber-coupled, collimated laser beam pointin

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17

Harja, Herman Budi, Anisa Nurbaniah, Novi Saksono Brodjo Muhadi, and Andi Noviandi. "Straightness Geometric Error Assessment for CNC Milling Machine." Key Engineering Materials 939 (January 25, 2023): 39–46. http://dx.doi.org/10.4028/p-a8n75m.

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The straightness movement error of the machine tools axis contributes significantly to the straightness of the workpiece machining feature. This paper focuses on the assessment study of CNC machine tools’ straightness geometric error for obtaining recommendation information to improve machine geometric accuracy. A research method by determining measurement parameters according to ISO 230 procedure, no-load measurement of straightness vertical-horizontal geometric error using a laser interferometer, collecting data, data analysis. Data analysis calculates positional straightness deviation, mean

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18

Egidi, Andrea, Alessandro Balsamo, Davide Corona, and Marco Pisani. "Investigation on Modulation-Based Straightness Measurement." Sensors 23, no. 6 (2023): 2912. http://dx.doi.org/10.3390/s23062912.

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The concept of a novel non-contacting technique for measuring straightness and its practical realization in a mechanical device are presented in this article. The device, called InPlanT, is based on the acquisition of the luminous signal retroreflected by a spherical glass target and impinged on a photodiode after mechanical modulation. The received signal is reduced to the sought straightness profile using dedicated software. The system was characterized with a high-accuracy CMM and the maximum error of indication was derived.

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19

Su, Hang, Ruifang Ye, Fang Cheng, Changcai Cui, and Qing Yu. "A Straightness Error Compensation System for Topography Measurement Based on Thin Film Interferometry." Photonics 8, no. 5 (2021): 149. http://dx.doi.org/10.3390/photonics8050149.

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Straightness error compensation is a critical process for high-accuracy topography measurement. In this paper, a straightness measurement system was presented based on the principle of fringe interferometry. This system consisted of a moving optical flat and a stationary prism placed close to each other. With a properly aligned incident light beam, the air wedge between the optical flat and the prism would generate the interferogram, which was captured by a digital camera. When the optical flat was moving with the motion stage, the variation in air wedge thickness due to the imperfect straight

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20

WADA, Hisashi, Hideo SAKUMA, and Koichi TABE. "Straightness measurement using heterodyne moire method." Journal of the Japan Society of Precision Engineering 51, no. 5 (1985): 984–89. http://dx.doi.org/10.2493/jjspe1933.51.984.

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21

Zhang, G. X., X. H. Chu, W. Tang, and Z. Z. Jin. "Distance-Distance Method for Straightness Measurement." CIRP Annals 41, no. 1 (1992): 581–84. http://dx.doi.org/10.1016/s0007-8506(07)61273-6.

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22

AI, Xiaoyong, Tsuyoshi SHIMIZU, and Makoto OBI. "Straightness Measurement Using Improved Reversal Method." Journal of the Japan Society for Precision Engineering 66, no. 10 (2000): 1578–82. http://dx.doi.org/10.2493/jjspe.66.1578.

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23

Schmid-Schirling, Tobias, Lea Kraft, and Daniel Carl. "Laser scanning–based straightness measurement of precision bright steel rods at one point." International Journal of Advanced Manufacturing Technology 116, no. 7-8 (2021): 2511–19. http://dx.doi.org/10.1007/s00170-021-07468-7.

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AbstractIn industrial manufacturing of bright steel rods, one important quality factor is the straightness or straightness deviation. Depending on the application, deviations of less than 0.1 mm per meter rod length are desired and can be reached with state-of-the-art manufacturing equipment. Such high-quality requirements can only be guaranteed with continuous quality control. Manual straightness measurements conducted offline using a dial gauge provide accurate results on single positions of the rod. We propose a contactless, optical measurement technique based on laser scanning which has th

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24

Jywe, Wen-Yuh, Tung-Hsien Hsieh, Po-Yu Chen, and Ming-Shi Wang. "An Online Simultaneous Measurement of the Dual-Axis Straightness Error for Machine Tools." Applied Sciences 8, no. 11 (2018): 2130. http://dx.doi.org/10.3390/app8112130.

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Vertical straightness errors are the key factor that affects the flatness of the workpiece during vertical machining. Traditionally, the individually measured and fitted vertical straightness errors of the X and Y axes are used to compensate the Z axis and, thus, obtain the flatness of the working table of the machine tool. However, it is difficult to measure and compensate the vertical straightness error of the desired position on the working table, not to mention the centroid variation effect of the working table on the measured data. In this study, an online dual-axis measurement system wit

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25

KOMIYAMA, Takuya, Hiroshi SAWANO, Hayato YOSHIOKA, and Hidenori SHINNO. "B005 A Long-Range Straightness Measurement with Motion Error Compensation." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2013.7 (2013): 173–76. http://dx.doi.org/10.1299/jsmelem.2013.7.173.

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26

Li, Sen. "Laser Shearing-Interferometry for Measurement of Rail Straightness Accuracy and Error Analysis." Applied Mechanics and Materials 401-403 (September 2013): 1063–67. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.1063.

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A long rail straightness measurement method is given for the portable laser alignment measurement system which is based on laser shearing interference fringes. Through theoretical derivation, mathematical model is set up between the laser phase differential linearity error and shearing interferometry. Large numbers of experiments have verified correctness of long rail straightness measurement method, analyzed the cause of error and provided ways for error reduction.

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27

Liang, Jintao, Xiaotian Song, Kaixin Wang, and Xiaolan Han. "An On-Machine Measuring Apparatus for Dimension and Form Errors of Deep-Hole Parts." Sensors 24, no. 23 (2024): 7847. https://doi.org/10.3390/s24237847.

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The precise measurement of inner dimensions and contour accuracy is required for deep-hole parts, particularly during the manufacturing process, to monitor quality and obtain real-time error parameters. However, on-machine measurement is challenging due to the limited inner space of deep holes. This study proposes an automatic on-machine measuring apparatus for assessing inner diameter, straightness, and roundness errors. Based on the axial-section measurement principle, an integrated measuring module was designed, including a self-centering mechanism, a diameter measuring sensor, and a positi

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28

Tanaka, H., and H. Sato. "Extensive Analysis and Development of Straightness Measurement by Sequential-Two-Points Method." Journal of Engineering for Industry 108, no. 3 (1986): 176–82. http://dx.doi.org/10.1115/1.3187061.

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Characteristics of errors which might occur in the straightness measurement method due to sequential-two-points were investigated. The investigation made it clear that the slight discrepancies of alignment at the tip between two displacement sensors would be accumulated onto the portion of linear increment generally observed when the straightness is measured; the method of compensation is analytically shown. It is theoretically proposed that the error which might be introduced by the yaw of the tool post and is neglected by the present system can be evaluated by the measurement using sequentia

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29

Kono, Ginsuke, Takaharu Kuroda, Teruyoshi Daitoh, and Kuniaki Maruoka. "The Development of the Automatic Measurement of Straightness Using by a Ball Screw." Advanced Materials Research 126-128 (August 2010): 713–18. http://dx.doi.org/10.4028/www.scientific.net/amr.126-128.713.

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Recently, the screens of TVs and computers are getting larger and larger. In accordance to that, surface plates of those, which are used during the production process, are also becoming bigger. These surface plates are required to be checked every certain period of duration. Therefore, an automatic measurement of straightness, that is highly accurate, and capable of measuring large area, is necessary. The straightness is the degree of difference from a straight line geometrically. It is one of the indexes to express machining precision. In Mechanical Engineering, the accuracy of processing sid

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30

Glubokov, Alexander Vladimirovich, Svetlana Vladimirovna Glubokova, Alexey Vileninovich Shulepov, and Sergey Evgenievich Ped. "Spectral Parameters of Straightness Deviation Evaluation." Materials Science Forum 876 (October 2016): 74–79. http://dx.doi.org/10.4028/www.scientific.net/msf.876.74.

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Spectral analysis of different profiles obtained during straightness deviation measurement was performed. The several profiles are showed, for which the value of straightness deviation is the same, but its behavior differs greatly. Spectral parameters characterizing the type of straightness deviation are proposed. The automated system based on factors of fuzzy-set theory with implementation in the form of neural network is developed.

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31

Stępień, Krzysztof. "An analysis of influence of sampling strategy and scanning speed on estimation of straightness and flatness deviations with CMMs." Advanced Technologies in Mechanics 2, no. 2(3) (2015): 2. http://dx.doi.org/10.17814/atim.2015.2(3).17.

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The paper deals with the problem of influence of scanning speed and measuring strategy on results of flatness and straightness deviations with CMMs. The straightness was studied for various numbers of sampling points and for various scanning speeds. The flatness was investigated for various measurement paths and for various levels of scanning speeds. The results of the study indicate that applied measurement speed and selected measurement path can change obtained results very significantly.

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32

Cao, Guo Hui, and Yoshiharu Namba. "Straightness Error Compensation for Ultra-Precision Machining Based on a Straightness Gauge." Key Engineering Materials 381-382 (June 2008): 105–8. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.105.

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A method of straightness error compensation is presented, which is used in ultra-precision machining with nano-scale accuracy for a large mandrel manufacture. A set of measurement system in situ is developed, in which an ultra-smooth glass-ceramic flatness gauge and a non-contact micro displacement sensor with nano-scale resolution were used as a reference and sensor to get the straightness error of machine tool movement. The real straightness error can be obtained after subtracting the surface profile of the gauge from the original straightness error curve. Based on the real straightness erro

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33

Miyashita, Leo, and Masatoshi Ishikawa. "Real-Time Inspection of Rod Straightness and Appearance by Non-Telecentric Camera Array." Journal of Robotics and Mechatronics 34, no. 5 (2022): 975–84. http://dx.doi.org/10.20965/jrm.2022.p0975.

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In this paper, we propose a measurement system that employs a camera array based on a non-telecentric optical system and an accompanying measurement algorithm to measure the straightness, length, diameter, and appearance of a rod. Measurements using telecentric optical systems, which employ orthogonal projection to preserve the dimensional ratios regardless of distance, are common in image-based inspection of the dimensional or geometrical tolerances of industrial products. However, some cases depend on the size of the target or inspection item, wherein it is difficult to configure a measureme

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34

Sun, Chuang, Sheng Cai, Yusheng Liu, and Yanfeng Qiao. "Compact Laser Collimation System for Simultaneous Measurement of Five-Degree-of-Freedom Motion Errors." Applied Sciences 10, no. 15 (2020): 5057. http://dx.doi.org/10.3390/app10155057.

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A compact laser collimation system is presented for the simultaneous measurement of five-degree-of-freedom motion errors. The optical configuration of the proposed system is designed, and the principle of the measurement of five-degree-of-freedom errors is described in detail. The resolution of the roll and the horizontal straightness is doubled compared with other laser collimation methods. A common optical path compensation method is provided to detect light drift in real time and compensate for straightness and angle errors. An experimental setup is constructed, and a series of experiments

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35

Hu, Chang De, Yong Qiang Li, Juan Gao, Peng Fu, He Ping Min, and Ning Ye. "Long Guide Straightness Error Measurement Based on Laser Interference." Applied Mechanics and Materials 565 (June 2014): 126–32. http://dx.doi.org/10.4028/www.scientific.net/amm.565.126.

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A new kind of straightness error measurement system based on laser interference is developed. High stability He-Ne laser beam which is collimated and broadened is cast on wedge-shaped glass plate, on which back and front the light reflects and interfere. The angle of the guide and target would be changed when the motion of the target is along the guide, if there is linearity error existing in the guide. So interference stripes would be moved by the changed angle of the guide and target. In this way the straightness error of the guide is transferred to the displacement of the interference strip

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36

Yin, Zi Qiang, Suet To, and Ling Bao Kong. "Novel Error Separation Method for Straightness Measurement." Key Engineering Materials 364-366 (December 2007): 572–77. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.572.

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novel time-domain error separation method which can reconstruct straightness profile of workpiece exactly for on-machine measurement has successfully been developed. The proposed method is based on difference measurement and can use two or three displacement probes. It possesses following characteristics: (i) adapting to long or short workpiece, (ii) assuming no prior knowledge, (iii) employing large shears, (iv) needing no accurate zero-adjustment of probes, and (v) reconstructing various surfaces including smooth, non-smooth, periodic and non-periodic profiles with no theoretical error. The

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37

Vekteris, Vladas. "Two-dimensional straightness measurement using optical meter." Optical Engineering 47, no. 12 (2008): 123605. http://dx.doi.org/10.1117/1.3049908.

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38

Zhang, Jihua. "Interferometric straightness measurement system using triangular prisms." Optical Engineering 37, no. 6 (1998): 1785. http://dx.doi.org/10.1117/1.601696.

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39

Jinxing, Wang, Jiang Xiangqian, Ma Limin, Xu Zhengao, and Li Zhu. "Uncertainty of spatial straightness in 3D measurement." Journal of Physics: Conference Series 13 (January 1, 2005): 220–23. http://dx.doi.org/10.1088/1742-6596/13/1/051.

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40

Markov, B. N., and A. K. Konysbekov. "Laser interferometric measurement of deviation from straightness." Measurement Techniques 34, no. 10 (1991): 1002–5. http://dx.doi.org/10.1007/bf00981051.

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41

Virdee, M. S. "Non-contacting straightness measurement to nanometre accuracy." International Journal of Machine Tools and Manufacture 35, no. 2 (1995): 157–64. http://dx.doi.org/10.1016/0890-6955(94)p2367-o.

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42

Fan, Rui, and Di Zhang. "Research on the Compensation Method of Installation Errors in Guideway Straightness Measurement with PSD." Advanced Materials Research 630 (December 2012): 389–95. http://dx.doi.org/10.4028/www.scientific.net/amr.630.389.

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Influence and Compensation Theory of Installation Errors in Guideway Straightness Measurement with PSD Is Analyzed. it Shows that Pincushion Distortion Affects PSD’s Accuracy, while Angle θ between Laser and Guideway, Error Angle Caused by Straightness Error and Angle β Generated when PSD Rotates about the Guideway Have Significant Influence on System Measurement Accuracy. PSD’s Pincushion Distortion Could Be Corrected and Installation State Can Be Determined by Measuring on Site and Calibrating with Laser Tracer. after Error Compensation, System Measurement Accuracy Is Greatly Improved.

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43

Yang, Jiao Jiao, Xin Chen, Guo Qing Ding, Li Hua Lei, and Yuan Li. "A Six-Probe Scanning Method for Guide Rail Straightness Measurement." Applied Mechanics and Materials 217-219 (November 2012): 2669–73. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.2669.

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Straightness error is the main profile error of guide rail. This paper studies a scanning six-probe system for measuring straightness of two guide rails. The system does not use angle sensors and consists of two probe-units, each having three displacement sensors. The two probe-units are moved by a scanning stage to scan the surface of two guide rails, then they are rotated 180 and scan guide rails again after the first scanning. The zero-differences of two probe-units before and after probe-units being rotated, as well as the straightness of the guide rails, can be accurately evaluated from

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Fung, Eric H. K. "A New Method for Measuring Straightness and Yawing Motion Errors of a Linear Slide." Journal of Manufacturing Science and Engineering 128, no. 2 (2005): 503–12. http://dx.doi.org/10.1115/1.2162903.

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In this paper, an on-machine Fourier five-sensor (F5S) measurement method is developed using Fourier series and sensor integration techniques to determine the straightness and yawing motion errors of a linear slide. The profile of the slide is also determined in this error separation technique. The method is an extension of the previous Fourier three-sensor (F3S) method (Fung, E. H. K., and Yang, S. M., 2000, “An Error Separation Technique for Measuring Straightness Motion Error of a Linear Slide,” Meas. Sci. Technol., 11, pp. 1515–1521; Yang, S. M., Fung, E. H. K., and Chiu, W. M., 2002, “Unc

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ARAI, Yoshikazu, Wei GAO, Hiroki SHIMIZU, Satoshi KIYONO, and Tsunemoto KURIYAGAWA. "310 Straightness error measurement of an ultra-precision aspheric grinding machine : Straightness and rolling error measurement of slide table." Proceedings of Conference of Tohoku Branch 2004.39 (2004): 110–11. http://dx.doi.org/10.1299/jsmeth.2004.39.110.

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Okuyama, Eiki, and Takato Fukuda. "Roundness Profile Measurement Using a Combination Method of Three-Point Method for Roundness Profile Measurement and Integration Method for Straightness Profile Measurement." International Journal of Automation Technology 18, no. 1 (2024): 77–83. http://dx.doi.org/10.20965/ijat.2024.p0077.

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A three-point method has been used to separate the roundness profile of a workpiece and radial motions of a turntable. First, weighted addition is used to extract the roundness profile, and then, inverse filtering is used to recover the original roundness profile. The three-point method works well in the low spatial frequency domain. However, in the high spatial frequency domain, the setting angle error of the sensor causes a large deflection of the transfer function. Therefore, a combination method of the three-point method for roundness profile measurement and an integration method for the s

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Tsai, Hsiu-An, and Yu-Lung Lo. "An Approach to Measure Tilt Motion, Straightness and Position of Precision Linear Stage with a 3D Sinusoidal-Groove Linear Reflective Grating and Triangular Wave-Based Subdivision Method." Sensors 19, no. 12 (2019): 2816. http://dx.doi.org/10.3390/s19122816.

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This work presents a novel and compact method for simultaneously measuring errors in linear displacement and vertical straightness of a moving linear air-bearing stage using 3D sinusoidal-groove linear reflective grating and a novel triangular wave-based sequence signal analysis method. The new scheme is distinct from the previous studies as it considers two signals to analyze linear displacement and vertical straightness. In addition, the tilt motion of the precision linear stage could also be measured using the 3D sinusoidal-groove linear reflective grating. The proposed system is similar to

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Chang, Syuan-Cheng, Yung-Cheng Wang, Chung-Ping Chang, and Ze-Fong You. "Linear Displacement and Straightness Measurement by Fabry-Perot Interferometer Integrated with an Optoelectronic Module." Tehnički glasnik 16, no. 3 (2022): 420–25. http://dx.doi.org/10.31803/tg-20220424124800.

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This research develops a three degrees of freedom (DOF) measurement system by integrating Fabry-Perot interferometer and photoelectronic inspection module to determine linear displacement, horizontal and vertical straightness geometric error parameters simultaneously. The interferometer and the photoelectronic inspection module in a three DOF measurement system share the same light source, and the two structures are used to measure linear displacement and straightness errors. The experimental results are utilized to calculate the relevant error parameters according to ISO standards and numeric

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Kokoszka, Wanda, Piotr Ochab, and Anna Gardzinska. "Measurement of Straightness and Verticality of Sheet Piling." Civil and Environmental Engineering Reports 30, no. 3 (2020): 281–94. http://dx.doi.org/10.2478/ceer-2020-0045.

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Abstract Sheet piling is commonly used in various areas of special construction. Embedded in the ground before carrying out excavation works, sheet piling constitutes an enclosure and protection for the designed excavation. It is a temporary enclosure and protection for excavations made for communication structures, launch shafts built for microtunnel construction, etc. In order to assess the quality of the engineering works related to the construction of sheet piling, measurements were made of straightness and verticality of the sheet piling used for the technological chambers. The measuremen

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Zhu Lingjian, 朱凌建, 李照锁 Li Zhaosuo, 刘君华 Liu Junhua, and 张钟华 Zhang Zhonghua. "Straightness-Error Measurement with Laterally Modulated Polarized Light." Acta Optica Sinica 29, no. 4 (2009): 955–59. http://dx.doi.org/10.3788/aos20092904.0955.

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