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Modeling of CNC machine tools’ spatial geometric error based on two-dimensional angle error
SN Applied Sciences, 2022 A modeling method of CNC machine tools’ spatial geometric error is proposed based on two-dimensional angle error in this paper. Different from traditional modeling method, this method takes into account the effect of additional angle errors because the ...
Xiuqin Zhang +5 more
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Geometric Error Modeling of 3-DOF Planar Parallel Manipulators Using Conformal Geometric Algebra
MachinesThis paper proposes a geometrically intuitive error modeling method for planar parallel mechanisms (PPMs) based on conformal geometric algebra (CGA). First, the end point of each limb is determined through rotational transformations in geometric algebra.
Huijing Yao, Chenxin Tang, Xinxue Chai
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SensorsThe geometric error distributed on components’ contact surfaces is a critical factor affecting assembly accuracy and precision instrument stability. Effective error separation methods can improve model accuracy, thereby aiding in performance prediction ...
Zhichao Sheng +6 more
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Model of geometric deviations in milling with three error sources [PDF]
Manufacturing Technology, 2021 The milling process is widely used industrially and the quality of the obtained milled products should becontrolled because it affects their performance in exercise. This work correlates the quality of themachined surfaces with the adopted locating system, the shape deviations of the workpiece datum andthe machine tool.
Andrea Corrado, Wilma Polini
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High-Efficient Calculation Method for Sensitive PDGEs of Five-Axis Reconfigurable Machine Tool
Machines, 2021 Sensitive geometric errors of a machine tool have significant influence on machining accuracy, and it is important to identify them. Complex modeling and analysis must be carried out to identify the sensitive geometric errors of a five-axis machine tool ...
Zhanqun Song +4 more
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Thermal Positioning Error Modeling of Servo Axis Based on Empirical Modeling Method
Micromachines, 2021 In order to investigate the thermal effect of a servo axis’ positioning error on the accuracy of machine tools, an empirical modeling method was proposed, which considers both the geometric and thermal positioning error.
Yang Li +3 more
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Machines, 2022 Three-axis milling machine tools are widely used in manufacturing enterprises, and they have enormous potential demands for remanufacturing to improve their performance.
Wenzheng Ding, Zhanqun Song, Shuang Ding
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IEEE Access, 2021 Till now, most calibration methods only compensate geometric error caused by inaccurate kinematic parameters, while the desired accuracy may still not be achieved when the robot is performing long-stroke, heavy-duty loading and unloading tasks.
Hongyu Wan +6 more
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2021 This paper presents a systematic method for kinematic modeling and improving the positioning accuracy of a compound machine tool. With the configuration of model frames and the adjustment of the link offset parameters, the position and orientation of the
Yingchun WU, Jianxin SHEN
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The modeling method of machine tool geometry error based on Bryan principle
Advances in Mechanical Engineering, 2023 The error caused by measurement itself directly affects the accuracy of models. The error caused by the failure to follow the Bryan principle in the process of measuring the volumetric error of the machine tool makes the geometric accuracy of the machine
Hongwei Liu, Rui Yang
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