Filters








10,316 Hits in 8.1 sec

Design of a Measurement System for Six-Degree-of-Freedom Geometric Errors of a Linear Guide of a Machine Tool

Chien-Sheng Liu, Jia-Jun Lai, Yong-Tai Luo
2018 Sensors  
This paper proposes a system utilizing a Renishaw XL80 positioning error measuring interferometer and sensitivity analysis design to measure six-degree-of-freedom (6 DOF) geometric errors of a machine  ...  This system measured actual 6 DOF geometric errors of a machine tool's linear guide, and a comparison is made with the Renishaw XL-80 interferometer measurements.  ...  The authors also published a Taiwan patent I614513 resulting from the work reported in this manuscript. Conflicts of Interest: The authors declare no conflict of interest. Sensors 2019, 19, 5  ... 
doi:10.3390/s19010005 fatcat:2hvjoc7fsjgzvoj42zq45gdffu

A Novel Method for the Measurement of Geometric Errors in the Linear Motion of CNC Machine Tools

Xuan Wei, Zhikun Su, Xiaohuan Yang, Zekui Lv, Zhiming Yang, Haitao Zhang, Xinghua Li, Fengzhou Fang
2019 Applied Sciences  
In order to improve the accuracy of the linear motion of computer numerical control (CNC) machine tools, a novel method based on a new type of 1-D (1-dimensional) artifact is proposed to measure the geometric  ...  artifact measured by the machine tool and that measured by a more precise method, for example, laser interferometry.  ...  x (x Fi ). (16) Thus, the 6 degrees-of-freedom errors of a linear motion guide rail can all be identified.  ... 
doi:10.3390/app9163357 fatcat:x2janewgezdg5hd4rvqvjuh64a

Present situation and development of error calibration for linear motion guide

Zhiyong Qu, Zhengmao Ye
2010 2010 3rd International Conference on Computer Science and Information Technology  
The calibration of linear motion guide is not only the academic direction for mechanical machining, but also the important means for error compensation of multi-freedom motion system.  ...  The calibration of linear motion guide is important part for kinematic research of motion system and main portion for the enhancement of motion system precision.  ...  A type of calibration method is by the multi-degree-of-freedom measurement systems (MDFM systems).  ... 
doi:10.1109/iccsit.2010.5564813 fatcat:hkg3pbrce5arjm6zhdp7engeuy

Systematic Geometric Error Modeling for Workspace Volumetric Calibration of a 5-axis Turbine Blade Grinding Machine

Abdul Wahid Khan, Chen Wuyi
2010 Chinese Journal of Aeronautics  
A systematic geometric model has been presented for calibration of a newly designed 5-axis turbine blade grinding machine.  ...  set-up errors of workpiece and cutting tool. 39 of them are found to have influential errors and are accommodated for finding the resultant effect between the cutting tool and the workpiece in workspace  ...  The authors extend their gratitude and appreciation to HEC Pakistan and BUAA for providing financial support for this project.  ... 
doi:10.1016/s1000-9361(09)60261-2 fatcat:cpmbxkgmjbf5bcilyoopn6sem4

An Analysis Methodology for Stochastic Characteristic of Volumetric Error in Multiaxis CNC Machine Tool

Qiang Cheng, Can Wu, Peihua Gu, Wenfen Chang, Dongsheng Xuan
2013 Mathematical Problems in Engineering  
According to multibody system theory, a mean value analysis model for volumetric error is established with consideration of geometric errors.  ...  In order to address the stochastic characteristic of the volumetric error for multiaxis machine tool, a new probability analysis mathematical model of volumetric error is proposed in this paper.  ...  As Figure 2 for an example, there are six geometric errors of B rotating shaft, respectively, for three linear errors and three angle errors.  ... 
doi:10.1155/2013/863283 fatcat:ngcuttd3abd5dfff5jy4h2rkue

FOUR DEGREE OF FREEDOM MEASURING INSTRUMENT FOR PRECISION MACHINERY BASED ON SEMICONDUCTOR LASER OPTICAL FIBER COMPONENTS

2018 International Journal of Mechatronics and Applied Mechanics  
Based on the forthcoming six degree of freedom simultaneous measurement and research, a basic platform is set up, and a four degree of freedom simultaneous measuring instrument is developed.  ...  The four-degree of freedom (straightness of X and Y direction, deflection angle and pitch angle) of the machine tool guide is measured at the same time by collecting and processing data through single  ...  Development of a Four Degree of Freedom Measuring Instrument Laser 4D measuring instrument is suitable for geometric precision measurement of large precision equipment (CNC machine tool and coordinate  ... 
doi:10.17683/ijomam/issue4.21 fatcat:gsvuitcryje3dftwwlglgn2cqa

A Geometric Accuracy Error Analysis Method for Turn-Milling Combined NC Machine Tool

Pengzhong Li, Ruihan Zhao, Liang Luo
2020 Symmetry  
The actual errors and the error compensation values are a pair of "symmetry" data sets which are connected by the movement of machine tools.  ...  was extracted, providing a theoretical basis for error compensation and precision distribution.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/sym12101622 fatcat:yqi6udtwl5dbva6g6ljzym5aqi

Design of a Precision, Agile Line Boring Station

Y. Koren, Z.J. Pasek, P. Szuba
1999 CIRP annals  
The machine includes a "smart" line boring tool with an on-line compensation mechanism, relying on sensing and intelligence built into the tool itself, for real-time correction of the boring process.  ...  To supplement the advantages provided by the "smart" tool, a prototype agile line boring machine was developed as a joint effort between the University of Michigan and Lamb Technicon, a machine tool builder  ...  a ACKNOWLEDGEMENTS Research presented in this paper was sponsored by NlST Advanced Technology Program grant # 70NANB5H1158. Other researchers who participated in the project are A. G. Ulsoy, G.  ... 
doi:10.1016/s0007-8506(07)63191-6 fatcat:hfwknirwnbgahoawpoawoevldi

Geometric error measurement and compensation of machines—An update

H. Schwenke, W. Knapp, H. Haitjema, A. Weckenmann, R. Schmitt, F. Delbressine
2008 CIRP annals  
Estler for their contributions, reviews and comments.  ...  Acknowledgements The authors would like to thank the colleagues from STC P and STC M for their valuable input. Special thanks go to P. McKeown, B. Hocken, H. Kunzmann, S. Balsamo and T.  ...  Defining the machine co-ordinate system including the machine axes leads to the 21 geometric errors of a 3axis CMM, to 52 geometric errors of a 5-axis machining centre, and 81 for a 6 degree of freedom  ... 
doi:10.1016/j.cirp.2008.09.008 fatcat:a5waqmlqvvdq5eyzbd5qgs6lgm

Positioning Errors Measurement of CNC Machine Tools Based on J-DBB Method

Tao Sun, Wen Wang, Zhanfeng Chen, Yewen Zhu, Kaifei Xu, Haimei Wu, Zhiqian Sang, Keqing Lu, He Yang
2021 Applied Sciences  
The measurement of traditional equipment is limited by a fixed measurement radius and a single degree of freedom, which can only be measured within a fixed plane.  ...  Due to the errors of the servo system and the errors of the ball screw drive system, the positioning errors inevitably occur in the process of CNC machine tools.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app112411770 fatcat:je74grzsirazric35hnp7kqitu

Application of Multisensor Information Fusion Technology in the Measurement of Dynamic Machining Errors of Computer Numerical Control (CNC) Machine Tools

Xiaoping Li, Yonghong Deng, Xuezhe Li, Guolong Shi
2021 Journal of Sensors  
A complete software and hardware system for online monitoring of CNC machine tools is established.  ...  factors affecting the errors of CNC machine tools.  ...  HKXNJG2021049), and Science and Technology Support Program of Hebei Province (No. 17211826).  ... 
doi:10.1155/2021/6918496 fatcat:giicdhktzrg4rlizl6eguqgnsy

Dimensional and geometrical errors of three-axis CNC milling machines in a virtual machining system

Mohsen Soori, Behrooz Arezoo, Mohsen Habibi
2018 Figshare  
Dimensional and geometrical errors of three-axis CNC milling machines in a virtual machining system.  ...  Some of these error can be reduced by controlling the machining process and environments parameters. However geometric errors which have a big portion of total error need more attention.  ...  Fig. 3 . 3 Geometric error parameters of 3 axis milling machine. Fig. 4 . 4 Six degrees of freedom error motion of a carriage. Fig. 5 . 5 Optical setup for finding linear positioning errors.  ... 
doi:10.6084/m9.figshare.3971880.v2 fatcat:s372nq6k7neszn2v5lde22b4uy

Development of New Measurement System of Errors in the Multiaxial Machine Tool for an Active Compensation

Noureddine Barka, Abderrazak El Ouafi
2016 Journal of Quality and Reliability Engineering  
This present approach involves the development of a new measurement system capable of dynamically evaluating the errors according to the six degrees of freedom.  ...  This system is able to perform dynamic measurements reflecting the global accuracy of the machine tool without a long and expensive analysis of various error sources contribution.  ...  The NMS is developed and designed for the simultaneous and direct evaluation of five geometrical errors on a multiaxial machine tool using a combination of various optical and electronic components.  ... 
doi:10.1155/2016/8565791 fatcat:2ok2iurgxjb2fdiyjpstjx6jk4

Automatic planning for machine tool calibration: A case study

S. Parkinson, A.P. Longstaff, S. Fletcher, A. Crampton, P. Gregory
2012 Expert systems with applications  
In this work, artificial intelligence in the form of automated planning is applied to the problem of machine tool pseudo-static geometric error calibration.  ...  An aspect of a machine's capability is its geometric accuracy.  ...  Figure 1 : 1 Six-degrees-of-freedom and squareness errors for the X-axis of a machine tool with three perpendicular linear axes Figure 2 :Figure 3 : 23 Motion and location errors of an axis of rotation  ... 
doi:10.1016/j.eswa.2012.03.054 fatcat:pamxfvulxner7euibhsrs2vcly

Modelling and Simulation of the passive Structure of a 5-Axis-Milling Machine with rigid and flexible bodies for evaluating the static and dynamic behaviour

Michael Schneider, Anton Haumer, Rupert Köckeis
2017 Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017  
For this usage a mechanical model of a 5-Axis-Milling Machine is implemented with rigid and flexible bodies.  ...  Milling machines are mechatronic systems, combining electrical, mechanical and control components for machining certain materials.  ...  Machine constructions where all linear movement Structure of the milling Machine Figure 2 . 2 Replacement for a flexible body system by a rigid body system for a carriage-rail component Figure 3 .  ... 
doi:10.3384/ecp17132389 dblp:conf/modelica/SchneiderHK17 fatcat:6a5ecsdy5zge3ifewyg4c2ilo4
« Previous Showing results 1 — 15 out of 10,316 results