Results 261 to 270 of about 14,250 (299)

Thermal error modelling and compensation for a coordinate measuring machine

, 2000
Doctor of Philosophy (PhD)
Barakat, Nael
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Thermal error compensation method for machine center

The International Journal of Advanced Manufacturing Technology, 2011
High-speed machining (HSM) technology has become the most important application in metal cutting industries. However, overcome the positioning error is one of a great concern. The position error happens due to poor machine structure design and thermal expansion comes from cutting, especially when HSM is applied.
Ching-Wei Wu, Chia-Hui Tang, Ching-Feng Chang, Ying-Shing Shiao   +3 more
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Research on Thermal Error Compensation Technique of the Screw

Advanced Materials Research, 2012
In the system of the machine tool, the position error is directly affected by the thermal deformation of ball screw. Screw system is a complex thermal system, which is affected by the processing conditions, the processing cycle, the use of cooling fluid, and the surrounding environment.
Hong Xin Yue, Yan Shi, Yan Mei Xi
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Thermal displacement error compensation in temperature domain

Precision Engineering, 2015
Abstract Thermal displacement errors are becoming more and more important in the precision engineering field where the specifications are ever increasing. This paper proposes a novel technique to compensate in-plane thermal displacement errors in a thin plate under a moving disturbance heat load.
Takeshi Morishima, Ron van Ostayen, Jan van Eijk, Robert-H. Munnig Schmidt   +3 more
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Thermal Property Analysis of Precision Machinery and Its Thermal Error Compensation

International Journal of Heat and Technology, 2022
The machining error caused by the thermal deformation of machines or tools accounts for half or even more in the total error, and the machining precision could be improved by stabilizing the heat balance of the process system. However, few of the existing studies have concerned about the thermal deformation law caused by the high-speed self-feed ...
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Reduction and Compensation of Thermal Errors in Machine Tools

CIRP Annals, 1995
Abstract The main reasons for dimensional and geometric errors in workpieces produced on machine tools include low static stiffness of the machine structure, low dynamic performance of feed drives, tool wear and thermal deformations of the tool, machine and workpiece.
M. Weck, P. McKeown, R. Bonse, U. Herbst
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Integrated Model and Compensation of Thermal Errors of Silicon Microelectromechanical Gyroscope

IEEE Transactions on Instrumentation and Measurement, 2009
Based on the thermal interferential moment, the dynamic thermal error induced by accelerations of a microelectromechanical system (MEMS) gyroscope is analyzed. The electromechanical-thermal error is discussed. The integrated thermal error compensation method considering the electromechanical-thermal error and the dynamic thermal error induced by ...
Jiancheng Fang, Jianli Li
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Thermal Behaviour of Industrial Robots and Possibilities for Error Compensation

CIRP Annals, 1997
Abstract The fundamental differences between the kinematics of SCARA-, six-axes- and portal robots as well as tripod and hexapod machines are also reflected in their varying thermal behaviour This paper describes the sequential investigation of the thermal behaviour of industrial robots with a standardized experimental setup It includes a comparison ...
U. Heisel, F. Richter, K.-H. Wurst
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Measurement and Compensation of Thermal Error on a Machining Center

1992
With the improvement of machining accuracy of machine tools, the influence of thermal deformation has become increasing conspicious. This paper describes the experimental work to investigate the time-variant and position-dependent thermal error on a vertical machining center. Based on the measured data, empirical models relating tool/workpiece position
K. C. Fan, J. F. Lin, S. S. Lu
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A new approach to thermally induced volumetric error compensation

The International Journal of Advanced Manufacturing Technology, 2012
A traditional model for thermally induced volumetric error of a three-axis machine tool requires measurement of 21 geometric error components and their variation data at different temperatures. Collecting these data is difficult and time consuming. This paper describes the development of a new model for calculating thermally induced volumetric error ...
Lu, Yuxia, Islam, Mohammad Nazrul
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