Results 11 to 20 of about 158,077 (267)
High-precision modeling of CNCs’ spatial errors based on screw theory
SN Applied Sciences, 2022 Article Highlights The highlight of the study reported here is threefold: Firstly, a high-precision spatial error model of the machine tool is derived by means of the screw theory.
Guohua Chen +5 more
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Research on Machining Error Analysis and Traceability Method of Globoidal Indexing Cam Profile
Machines, 2022 The profile of the globoidal indexing cam is a spatially undevelopable surface. It needs a special computer numerical control (CNC) machine tool to finish batch production, and its machining quality will be affected by the motion error of each part of ...
Shuwen Sun +3 more
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Machines, 2022 Four-axis machine tools with two rotary axes are widely used in the machining of complex parts. However, due to an irregular kinematic relationship and non-linear kinematic function with geometric error, it is difficult to analyze the influence the ...
Guojuan Zhao +5 more
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Introducing engineering undergraduates to CNC machine tool error compensation
Advances in Industrial and Manufacturing Engineering, 2022 For manually operated machine tools, the accuracy of the machine tool structure limits the accuracy of the parts produced. Such is not necessarily the case with computer numerically controlled (CNC) machine tools.
Abhijit Bhattacharyya +4 more
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Experimental Study of the Volumetric Error Effect on the Resulting Working Accuracy—Roundness
Applied Sciences, 2020 Currently, various types of software compensations are applied to machine tools. Their aim is to increase the working accuracy of the tools. The improvement in working accuracy is then further assessed according to the increase in the dimensional and ...
Michal Holub +6 more
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2021 Aspherical or free-form optical surface machining using an ultra-precision machine tool is a common and effective method used in the manufacturing of precision optics.
Hao DUAN +4 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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Open Physics, 2019 To improve the accuracy of numerical control machine tools error, this paper studies the application of laser testing technology in numerical control machine tool, and put forward a laser interferometer automatic aiming system which can conduct space ...
Gao Qian, Zhang Pingchuan
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Numerical Aspects of Multilateration for Volumetric Error Calculation
Machines, 2022 We discuss two approaches to multilateration with a particular focus on numerical aspects for a given dataset. More precisely, we calculate the volumetric errors of the MCV 754 milling machine from the data measured by a LaserTRACER and provide criteria ...
Michal Holub +4 more
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012 Numerical error compensation is a cost-effective way to further improve the accuracy of high precision CNC machine tools. This paper discusses the major techniques for numerical error compensation on high precision machine tools. First, the high accuracy
Toru FUJIMORI +4 more
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