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Relevant bibliographies by topics / Ball screws

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Journal articles

Academic literature on the topic 'Ball screws'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 May 2022

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Journal articles on the topic "Ball screws"

1

Wang, Fu Ji, Jian Wei Ma, Zhen Yuan Jia, Jiang Yuan Yang, and Di Song. "Multiple Influencing Factors Analysis for Non-Conformal Contact Characteristics of Ball Screw." Advanced Materials Research 199-200 (February 2011): 707–14. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.707.

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The contact between balls and screw races or nut races is a kind of typical non-conformal contact. The study of contact characteristics of ball screw will provide theoretical bases for improving transmission efficiency and working properties of ball screw. In this study, hertz contact theory was adopted to construct the solution formula of ball screw’s contact stiffness, ball screw’s contact characteristics in terms of axial load, design parameters and material properties was analyzed, and the contact deformation value of the contact between ball and screw races was got using finite element si

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2

Horng, Jeng-Haur, Shin-Yuh Chern, Chi-Lin Li, and Yang-Yuan Chen. "Surface temperature and wear particle analysis of vertical motion double-nut ball screws." Industrial Lubrication and Tribology 69, no. 6 (2017): 952–62. http://dx.doi.org/10.1108/ilt-10-2016-0244.

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Purpose This paper aims to investigate the temperature and wear properties of vertical ball screws and to discuss the surface design of ball screws in industrial applications. Design/methodology/approach The energy equation of the screw surface considering the frictional heat was established to verify the surface temperature of the ball screw. X-ray diffraction was used to examine the micro-contact temperature between the ball and screw. Debris size and density were examined to investigate wear properties of ball screws and to study the relationship of wear debris and temperature. Findings Fir

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3

Xu, Xiang Rong, Xian Chun Song, Hong Kui Jiang, and Yan Feng Li. "Finite Element Modal Analysis of Ball Screws Linear Guide Feed Unit." Applied Mechanics and Materials 433-435 (October 2013): 67–71. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.67.

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With the high-speed and high-precision development of CNC machine tool, the vibration problem of ball screws linear guide feed unit has become more and more prominent. The dynamic characteristics was analyzed for ball screws linear guide feed unit, the 3D finite element model was built, the finite element modal analysis was discussed, the natural frequency and vibration modes were obtained, which were compared with the test results. The vibration weaknesses of ball screws linear guide feed unit were found out. The results show that the vibration weaknesses of ball screws linear guide feed unit

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4

Zhao, Jiajia, Mingxing Lin, Xianchun Song, and Qizhen Guo. "Analysis of the precision sustainability of the preload double-nut ball screw with consideration of the raceway wear." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, no. 9 (2019): 1530–46. http://dx.doi.org/10.1177/1350650119883484.

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Ball screws are the driving components used to convert the rotational motion into linear motion in precision equipment. However, the machining accuracy of precision equipment is directly determined by the positioning accuracy of the ball screw. The authors analyze the precision sustainability of preload double-nut ball screws with raceway wear. A new wear model combining the modified Archard theory and the iterative interpolation method is established to analyze the variations in wear depth. A new model considering the coupling relationship between raceway wear and preload loss is proposed to

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5

Chen, Yongjiang, and Wencheng Tang. "Determination of contact stiffness in ball screws considering variable contact angles." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 12 (2014): 2193–203. http://dx.doi.org/10.1177/0954406213516304.

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The contact angles formed at the position of each ball in ball screws are conventionally assumed to be a constant value in determination of contact stiffness. In this study, instead of being treated as pre-assumed constants, the contact angle is formulated as functions of the position angle of balls to reﬂect their distribution dependent on the operation condition and design parameters. After establishing a proper transformed coordinate system according to the ball screw mechanism, the variable contact angles and normal forces of the ball screw are predicted. Then the contact stiffness obtaine

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6

Gao, Xiangsheng, Kuan Zhang, Min Wang, Tao Zan, and Jiajun Luo. "Thermally stimulated artificial muscles: Bio-inspired approach to reduce thermal deformation of ball screws based on inner-embedded CFRP." REVIEWS ON ADVANCED MATERIALS SCIENCE 60, no. 1 (2021): 541–52. http://dx.doi.org/10.1515/rams-2021-0047.

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Abstract Ball screws are the indispensable machine tool components and, as such, influence the positional accuracy of machine tools. The accuracy stability of machine tools is affected by thermal deformation of ball screws resulting from the increase in temperature. Inspired by the distinctive artificial muscle heat behavior, a bio-inspired ball screw was proposed. The proposed ball screw was based on the inner-embedded carbon fiber-reinforced plastic (CFRP), which restrains the axial expansion through the thermal contraction of CFRP. Additionally, a thermal conductor was mounted between the s

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7

Gao, Qin, Guo, Wang, and Zan. "Adaptive Method to Reduce Thermal Deformation of Ball Screws Based on Carbon Fiber Reinforced Plastics." Materials 12, no. 19 (2019): 3113. http://dx.doi.org/10.3390/ma12193113.

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Abstract: In high-speed precision machining, thermal deformation caused by temperature rise affects the accuracy stability of the machine tool to a significant extent. In order to reduce the thermal deformation of ball screws and improve the accuracy, a new adaptive method based on carbon fiber reinforced plastics (CFRP) was proposed in this study and the thermal deformation of ball screws was determined. By using the sequential coupling method, the thermal–structural coupling analysis of a ball screw was conducted based on the finite element method (FEM). The analysis results were verified th

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8

Zhao, Leilei, Hutian Feng, and Qianfeng Rong. "A novel non-contact measuring system for the thread profile of a ball screw." Mechanical Sciences 9, no. 1 (2018): 15–24. http://dx.doi.org/10.5194/ms-9-15-2018.

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Abstract. In order to meet the demand of high position accuracy, many methods have been developed for measuring the thread profile features of ball screws. However, most of these efforts are limited to measuring a small number of ball screw features and therefore less efficient. In this study, an automatic, non-contact measuring system for the thread profile of a ball screw was developed. It is capable of measuring most common features of the ball screw thread profile and can measure ball screws of different sizes and lengths. The main part of the system is the light curtain which has a high-r

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9

Xiao, Hui, Da Wei Zhang, Yi Guang Shi, and Zhen Hong Sun. "Research on the Effect of Pre-Stress on Bending Stiffness of the Ball Screw Based on ANSYS." Advanced Materials Research 690-693 (May 2013): 1784–87. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.1784.

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In this paper, the effect of pre-stress of ball screws on bending stiffness is studied. By using ANSYS APDL parameterized method and adding stress stiffness effect, the relationship between the maximum deflection of ball screws under gravity load and pre-stress is given. The research result shows that with the increasing of pre-stress, the maximum deflection of the ball screw under gravity load gets smaller nonlinearly. The effects of pre-stretching of the ball screw on bending stiffness vary with different cross sections.

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10

Zhou, Chang-Guang, Yi Ou, Hu-Tian Feng, and Zeng-Tao Chen. "Investigation of the precision loss for ball screw raceway based on the modified Archard theory." Industrial Lubrication and Tribology 69, no. 2 (2017): 166–73. http://dx.doi.org/10.1108/ilt-12-2015-0204.

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Purpose This paper aims to examine the precision loss of ball screw raceway under different operating conditions and geometry parameters. Design/methodology/approach Based on a new coefficient K’ introduced especially for ball screws to reflect the actual contact condition, the modified Archard theory is applied to ball screws to obtain wear volume of the ball-screw contacts. Thus, the axial precision loss can be defined as the ratio of the wear volume to the contact area. Meanwhile, a novel running bench and a precision-measuring system of ball screws are conducted. Precision variation is obt

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