Articles | Volume 15, issue 1
https://doi.org/10.5194/ms-15-353-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-15-353-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 May 2024
Research article |
| 08 May 2024
| 08 May 2024
Study on the contact performance of the variable hyperbolic circular arc tooth trace cylindrical gear with installation errors
Dengqiu Ma
School of Engineering and Technology, Zunyi Normal University, Zunyi, 563006, China
School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
Bing Jiang
CORRESPONDING AUTHOR
School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
Lingli Bao
School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
Zhenhuan Ye
School of Engineering and Technology, Zunyi Normal University, Zunyi, 563006, China
Yongping Liu
School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
Related authors
Dengqiu Ma, Bing Jiang, Zhenhuan Ye, and Yongping Liu
Mech. Sci., 15, 395–405, https://doi.org/10.5194/ms-15-395-2024, https://doi.org/10.5194/ms-15-395-2024, 2024
Short summary
Short summary
In the present paper, study on meshing stiffness characteristics of the modified variable hyperbolic circular-arc-tooth-trace cylindrical gears was proposed. The modified tooth surface equation was deduced, and a 3D model was developed. The load tooth contact analysis (LTCA) model was developed. The meshing stiffness calculation method was proposed and verified by the finite-element calculation. The influence of the load and modification parameters on the stiffness was investigated.
Yongping Liu and Dengqiu Ma
Mech. Sci., 13, 909–920, https://doi.org/10.5194/ms-13-909-2022, https://doi.org/10.5194/ms-13-909-2022, 2022
Short summary
Short summary
Firstly, the tooth surface modification method based on the parabolic forming blade and cutter inclination was proposed. Next, the modified tooth surface equation was deduced and the 3D reconstruction of the modified tooth surface is realized. Then, the influence of modification parameters on tooth surface curvature characteristics was analysed. Finally, the tooth contact analysis model was established to discuss the influence of modification parameters on the elliptical contact area.
Dengqiu Ma, Bing Jiang, Zhenhuan Ye, and Yongping Liu
Mech. Sci., 15, 395–405, https://doi.org/10.5194/ms-15-395-2024, https://doi.org/10.5194/ms-15-395-2024, 2024
Short summary
Short summary
In the present paper, study on meshing stiffness characteristics of the modified variable hyperbolic circular-arc-tooth-trace cylindrical gears was proposed. The modified tooth surface equation was deduced, and a 3D model was developed. The load tooth contact analysis (LTCA) model was developed. The meshing stiffness calculation method was proposed and verified by the finite-element calculation. The influence of the load and modification parameters on the stiffness was investigated.
Yongping Liu and Dengqiu Ma
Mech. Sci., 13, 909–920, https://doi.org/10.5194/ms-13-909-2022, https://doi.org/10.5194/ms-13-909-2022, 2022
Short summary
Short summary
Firstly, the tooth surface modification method based on the parabolic forming blade and cutter inclination was proposed. Next, the modified tooth surface equation was deduced and the 3D reconstruction of the modified tooth surface is realized. Then, the influence of modification parameters on tooth surface curvature characteristics was analysed. Finally, the tooth contact analysis model was established to discuss the influence of modification parameters on the elliptical contact area.
Related subject area
Subject: Mechanisms and Robotics | Techniques and Approaches: Numerical Modeling and Analysis
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Yushuai Fan, Xun Li, Xin Liu, Shuo Cheng, and Xiaohua Wang
Mech. Sci., 15, 195–207, https://doi.org/10.5194/ms-15-195-2024, https://doi.org/10.5194/ms-15-195-2024, 2024
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In this study, we systematically improved the multi-robot formation control algorithm. We employed a virtual spring approach to stabilize formations, enhanced the Velocity Obstacle algorithm to address collisions in dynamic mobility, and introduced a leader for consistency. Simulations with up to 20 robots confirmed our method's suitability for large-scale formation obstacle avoidance. Position error and path length remained stable as robot numbers increased.
Haitong Liang, Hailing Fu, and Guangbo Hao
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A miniaturized statically balanced compliant mechanism is proposed as a structural solution to effectively lower the working frequencies of vibrational energy harvesters to ultralow levels across a wide bandwidth for practical applications. This mechanism exhibits zero stiffness and zero force within a specific displacement range and stiffness nonlinearity in the overall range. It overcomes the working frequency limit imposed by the size effect, showing great potential application value.
Yufei Liu, Lang Wu, En Lu, and Jinyong Ju
Mech. Sci., 15, 123–136, https://doi.org/10.5194/ms-15-123-2024, https://doi.org/10.5194/ms-15-123-2024, 2024
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This paper investigates the vibration coupling effect and grinding force control of an elastic component grinding system, which is a multi-dimensional coupling system conveying a dynamic interaction between the elastic component and the grinding device during the grinding process. The research results have guiding significance for the vibration control and constant force control of robotic grinding systems for elastic components.
Haijun Xu, Liyang Xu, Yikun Feng, Xiaojun Xu, Yue Jiang, and Xue Gao
Mech. Sci., 14, 277–292, https://doi.org/10.5194/ms-14-277-2023, https://doi.org/10.5194/ms-14-277-2023, 2023
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A high-speed wheeled amphibious vehicle was designed and researched based on computational fluid dynamic (CFD) technology. The results were compared with the corresponding test results for verification. CFD is applied to analyze the influence of the wheel flip angle on the resistance performance, and resistance reduction is explained by the change in wake flow-field of the amphibious vehicle. The wheel well was optimized based on our requirement for the vehicle performance on land and water.
Rui Liu, Yishan Zeng, Min Hu, Huabing Zhu, Changhai Liu, and Lei Wang
Mech. Sci., 14, 259–275, https://doi.org/10.5194/ms-14-259-2023, https://doi.org/10.5194/ms-14-259-2023, 2023
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In order to reduce the energy loss and improve the wear resistance of a piston–cylinder pair in an axial piston motor，an optimized tapered piston bore is designed and applied. A fluid–structure interaction numerical model and a new test rig of the friction force of the piston–cylinder pair are developed. Numerical analysis and experimental results show that the optimized tapered-shape piston bore in an axial piston motor can achieve a significant reduction in leakage flow and friction force.
Jian Qi, Yuan Gao, and Fufu Yang
Mech. Sci., 14, 171–178, https://doi.org/10.5194/ms-14-171-2023, https://doi.org/10.5194/ms-14-171-2023, 2023
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Overconstrained linkages always need fewer links to realize complex motion in a 3D space and are supposed to be great for constructing large deployable structures. However, the strict geometric conditions are hard to use in a complicated 3D environment. In this study, joint clearance is actively introduced to improve the adaptivity of the linkages (with an example given). This work is significant for improving the application of overconstrained linkages in a complicated environment.
Enyi He and Shihao Yin
Mech. Sci., 13, 1011–1018, https://doi.org/10.5194/ms-13-1011-2022, https://doi.org/10.5194/ms-13-1011-2022, 2022
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A novel helical gear mechanism with improved geometry is proposed to reduce transmission errors. For the novel spiral gear mechanism with improved geometry, the maximal contact stresses change more smoothly and have a stronger bearing capacity. The results show that, under the same conditions, the gear in this paper improves the transmission accuracy, and the bearing capacity is also stronger.
Jinshuai Xu, Yingpeng Zhuo, Zhaohui Qi, Gang Wang, Tianjiao Zhao, and Tianyu Wang
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A super element of the telescopic boom for an all-terrain crane is proposed, and its geometric nonlinear calculation is realized by the co-rotational (CR) formulation. Considering the cable force, the nonlinear equilibrium equations of the system are established, which are transformed into differential equations, and the load displacement curves of the nodes are obtained. Through the slope ratio of the load displacement curve, the judgment criterion of the instability load is established.
Fufeng Xue and Zhimin Fan
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Yucheng Tang, Xiaolong Yang, Xiaojin Zhu, Shichao Zhou, Wenbin Zha, Yuxin Sun, and Yulin Wang
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Xinran Wang, Wen Li, Dongxu Hu, Xingjian Dai, and Haisheng Chen
Mech. Sci., 12, 677–688, https://doi.org/10.5194/ms-12-677-2021, https://doi.org/10.5194/ms-12-677-2021, 2021
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This paper investigates the influence of friction effects on a gear-rotor system in compressed air energy storage (CAES), a new mathematical model of the system is established, and some new vibration characteristics of the gear-rotor system are shown in this paper. The results obtained in this paper will provide a reference for the study and design of a gear-rotor system in CAES.
Wenjie Wang, Qing Tao, Xiaohua Wang, Yuting Cao, and Congcong Chen
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Juan Ignacio Valderrama-Rodríguez, José M. Rico, and J. Jesús Cervantes-Sánchez
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Chongfei Huai and Yaping Zhao
Mech. Sci., 10, 199–211, https://doi.org/10.5194/ms-10-199-2019, https://doi.org/10.5194/ms-10-199-2019, 2019
Gaspar Rodríguez Jiménez, David Rodríguez Salgado, Francisco Javier Alonso, and José María del Castillo
Mech. Sci., 9, 359–371, https://doi.org/10.5194/ms-9-359-2018, https://doi.org/10.5194/ms-9-359-2018, 2018
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The present work describes the design and build of a new completely mechanical propulsion system for manual wheelchairs for use in ascending or descending long ramps. The design is characterized by a self-locking mechanism that activates automatically to brake the chair when the user stops pushing. The main component of the propulsion system is a planetary gear train that can self-lock, this means that the user does not need to activate external brakes.
Zharilkassin Iskakov, Kuatbay Bissembayev, and Nutpulla Jamalov
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• With a large load on the vibrating table, the oscillation of the motor shaft angular velocity and the effect of friction on it are more significant.
• Simulink model of the mechanism was developed for numerical calculations.
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• Sliding friction influences the frequency, the maximum and minimum values of the work-table kinematic parameters.
Chan-Jung Kim
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The conceptual design of balance shaft was very important process as how to locate the unbalance masses and corresponding supporting bearings. In this paper, the optimal conceptual balance shaft model was derived by using proposed objective functions for an inline 3-cylinder engine and an inline 4-cylinder one, respectively. Two kinds of optimal model were derived from simulations and efficient design guidelines was finally explained with design flowchart.
Wenjie Wang, Lingtao Yu, and Jing Yang
Mech. Sci., 8, 323–335, https://doi.org/10.5194/ms-8-323-2017, https://doi.org/10.5194/ms-8-323-2017, 2017
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Force sensing plays an important role in minimally invasive surgery. In this study, a new asymmetric cable-driven type of micromanipulator for a surgical robot was designed, and a joint angle estimator(JAE) was designed based on the dynamical model system. Closed-loop control of the joint angle was carried out by regarding the JAE output as the feedback signal. An external force estimator was designed using a disturbance observer. The experimental results shown the correctness and validity.
Santhakumar Mohan and Burkhard Corves
Mech. Sci., 8, 235–248, https://doi.org/10.5194/ms-8-235-2017, https://doi.org/10.5194/ms-8-235-2017, 2017
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This paper presents the complete dynamic model of a new six degrees of freedom (DOF) spatial 3-RPRS parallel manipulator. Further, a robust task-space trajectory tracking control is also designed for the manipulator along with a nonlinear disturbance observer. To demonstrate the efficacy and show the complete performance of the proposed controller, virtual prototype experiments are executed using one of multibody dynamics software namely MSC Adams.
Bingxiao Ding, Yangmin Li, Xiao Xiao, Yirui Tang, and Bin Li
Mech. Sci., 8, 117–126, https://doi.org/10.5194/ms-8-117-2017, https://doi.org/10.5194/ms-8-117-2017, 2017
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A flexure-based monolithic micro manipulation stage with large workspace is designed and analyzed. The piezoelectric actuators are adopted to drive the manipulation stage. The optimized lever amplifier is integrated into the mechanism in order to compensate the stroke of the piezoelectric actuators. The working range of the manipulation stage along each axis is ± 42.31 μm, ± 48.56 μm, 0–10.28 m rad, respectively.
Guoyong Yang, Hongguang Wang, Jizhong Xiao, Zuowei Wang, and Lie Ling
Mech. Sci., 8, 51–63, https://doi.org/10.5194/ms-8-51-2017, https://doi.org/10.5194/ms-8-51-2017, 2017
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This paper presents a gravity unloading facility to simulate micro-gravity environment of space. The facility unloads the gravity of artificial antenna of satellite and its pointing mechanism to test the performance of the pointing mechanism on the ground. The facility consists of two layers to unload gravity hierarchically and simultaneously while the antenna pointing mechanism consists of two joints. The calculation, simulation and experiments all show the effectiveness of the method applied.
R. Benoit, N. Delanoue, S. Lagrange, and P. Wenger
Mech. Sci., 7, 31–38, https://doi.org/10.5194/ms-7-31-2016, https://doi.org/10.5194/ms-7-31-2016, 2016
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We propose two Interval Analysis based methods to characterize novel robots. Interval analysis theory allows us to consider intervals instead of values, making it possible to use computer algorithms, without the drawback of rounding errors. The first proposed method can isolate chosen interest points and is applied to the characteristic cusp and node points of 3R orthogonal manipulators. The second method encloses the robot available postures, giving complementary information on the novel robot.
G. Hao and J. Mullins
Mech. Sci., 6, 75–80, https://doi.org/10.5194/ms-6-75-2015, https://doi.org/10.5194/ms-6-75-2015, 2015
N. Khan, I. Ullah, and M. Al-Grafi
Mech. Sci., 6, 29–34, https://doi.org/10.5194/ms-6-29-2015, https://doi.org/10.5194/ms-6-29-2015, 2015
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The problem of dimensional synthesis of mechanisms to trace a given closed curve is solved by (a) representation of curve shape using normalized Fourier descriptors and (b) learning the relation between Fourier descriptors and mechanism dimensions by an artificial neural network (ANN). The ANN developed suggests dimensions of a four-bar mechanism with coupler curve of shape similar to the one desired. The dimensions are further refined by optimization.
G. Palmieri
Mech. Sci., 6, 9–14, https://doi.org/10.5194/ms-6-9-2015, https://doi.org/10.5194/ms-6-9-2015, 2015
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This paper deals with an elasto-static analysis of a 2-DOF spherical parallel
wrist where the links and the joints are considered flexible. An FEM approach is used to analyze the problem in a series of configurations of the wrist. The results are elaborated in order to obtain continuous maps of the positioning and orientation errors over the workspace of the machine.
Q. Meng, Y. Li, and J. Xu
Mech. Sci., 4, 345–356, https://doi.org/10.5194/ms-4-345-2013, https://doi.org/10.5194/ms-4-345-2013, 2013
H. Mazhar, T. Heyn, A. Pazouki, D. Melanz, A. Seidl, A. Bartholomew, A. Tasora, and D. Negrut
Mech. Sci., 4, 49–64, https://doi.org/10.5194/ms-4-49-2013, https://doi.org/10.5194/ms-4-49-2013, 2013
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Short summary
The relationship between installation error and contact performance was studied. The tooth surface equation and contact ellipse were deduced, and the imprinting experiment was realized. The tooth contact analysis (TCA) model was developed to investigate the influence of the installation error on the contact area. The formulas of the gap and flexibility matrix were given to develop the loaded TCA (LTCA) model. The influence of the installation error on load distribution was investigated.
The relationship between installation error and contact performance was studied. The tooth...
