Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition

Jafar Keighobadi; Hojjat Fouladi; Davood Hashempour; Amirreza Rafat Talebi

doi:doi:10.11648/j.ijmea.20210906.14

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Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition

Jafar Keighobadi, Hojjat Fouladi, Davood Hashempour, Amirreza Rafat Talebi

Published in International Journal of Mechanical Engineering and Applications (Volume 9, Issue 6)

Received: 7 November 2021 Accepted: 14 December 2021 Published: 24 December 2021

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Abstract

Cam-follower mechanism efficiency in production of desired motions has been proved along the history of space missions. In this paper, according to pre-specified spatial condition of wide temperature variations between -100 and +120 Celsius degrees, some new and innovative cam-follower profile designs are presented. In the first follower mechanism, through rotating a connected screw to a servomotor, changes in length of the moving follower on cam is compensated with respect to the temperature changes of certain spatial conditions. In the second design, an inclined surface cam is equipped with an active controllable follower. As the third suggestion, the design with an inclined cam surface is optimized by investigating the length of the shaft connected to the cam. In the fourth model, a new design is proposed by changing the shaft's material from aluminum to titanium and a modified design is presented. The proposed designs are investigated and compared using the analytical solutions and optimization tools using MATLAB and ANSYS. The purpose of this study was to identify the effect of profile type on the dynamic behavior of the mechanism under the effects of a temperature difference of -100 to +120°C in space condition. It is concluded that changing the length of the follower, using an inclined cam surface and optimizing the length of the shaft connected to the follower are all effective solutions to the cam's volume variation problem. The results also indicate that for solving the problem of the volume variation of the cam-follower mechanism a combination of the proposed designs is optimal. Moreover, among the presented designs, the mechanism with an inclined cam surface with an aluminum shaft is shown to have the highest precision and performance with respect to the other three.

Published in	International Journal of Mechanical Engineering and Applications (Volume 9, Issue 6)
DOI	10.11648/j.ijmea.20210906.14
Page(s)	113-131
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Cam-Follower Mechanism, Temperature Changes, Spatial Conditions, Profile Modification, Mechanism Design

References

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[26]	S. Rafatnia, Nourmohammadi, J. Keighobadi, Badamchizadeh, “In-move aligned SINS/GNSS system using recurrent wavelet neural network (RWNN)-based integration scheme” Mechatronics, Volume 54, October 2018, Pages 155-165.
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APA Style

Jafar Keighobadi, Hojjat Fouladi, Davood Hashempour, Amirreza Rafat Talebi. (2021). Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. International Journal of Mechanical Engineering and Applications, 9(6), 113-131. https://doi.org/10.11648/j.ijmea.20210906.14

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ACS Style

Jafar Keighobadi; Hojjat Fouladi; Davood Hashempour; Amirreza Rafat Talebi. Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. Int. J. Mech. Eng. Appl. 2021, 9(6), 113-131. doi: 10.11648/j.ijmea.20210906.14

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AMA Style

Jafar Keighobadi, Hojjat Fouladi, Davood Hashempour, Amirreza Rafat Talebi. Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. Int J Mech Eng Appl. 2021;9(6):113-131. doi: 10.11648/j.ijmea.20210906.14

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@article{10.11648/j.ijmea.20210906.14,
  author = {Jafar Keighobadi and Hojjat Fouladi and Davood Hashempour and Amirreza Rafat Talebi},
  title = {Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition},
  journal = {International Journal of Mechanical Engineering and Applications},
  volume = {9},
  number = {6},
  pages = {113-131},
  doi = {10.11648/j.ijmea.20210906.14},
  url = {https://doi.org/10.11648/j.ijmea.20210906.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmea.20210906.14},
  abstract = {Cam-follower mechanism efficiency in production of desired motions has been proved along the history of space missions. In this paper, according to pre-specified spatial condition of wide temperature variations between -100 and +120 Celsius degrees, some new and innovative cam-follower profile designs are presented. In the first follower mechanism, through rotating a connected screw to a servomotor, changes in length of the moving follower on cam is compensated with respect to the temperature changes of certain spatial conditions. In the second design, an inclined surface cam is equipped with an active controllable follower. As the third suggestion, the design with an inclined cam surface is optimized by investigating the length of the shaft connected to the cam. In the fourth model, a new design is proposed by changing the shaft's material from aluminum to titanium and a modified design is presented. The proposed designs are investigated and compared using the analytical solutions and optimization tools using MATLAB and ANSYS. The purpose of this study was to identify the effect of profile type on the dynamic behavior of the mechanism under the effects of a temperature difference of -100 to +120°C in space condition. It is concluded that changing the length of the follower, using an inclined cam surface and optimizing the length of the shaft connected to the follower are all effective solutions to the cam's volume variation problem. The results also indicate that for solving the problem of the volume variation of the cam-follower mechanism a combination of the proposed designs is optimal. Moreover, among the presented designs, the mechanism with an inclined cam surface with an aluminum shaft is shown to have the highest precision and performance with respect to the other three.},
 year = {2021}
}

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TY  - JOUR
T1  - Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition
AU  - Jafar Keighobadi
AU  - Hojjat Fouladi
AU  - Davood Hashempour
AU  - Amirreza Rafat Talebi
Y1  - 2021/12/24
PY  - 2021
N1  - https://doi.org/10.11648/j.ijmea.20210906.14
DO  - 10.11648/j.ijmea.20210906.14
T2  - International Journal of Mechanical Engineering and Applications
JF  - International Journal of Mechanical Engineering and Applications
JO  - International Journal of Mechanical Engineering and Applications
SP  - 113
EP  - 131
PB  - Science Publishing Group
SN  - 2330-0248
UR  - https://doi.org/10.11648/j.ijmea.20210906.14
AB  - Cam-follower mechanism efficiency in production of desired motions has been proved along the history of space missions. In this paper, according to pre-specified spatial condition of wide temperature variations between -100 and +120 Celsius degrees, some new and innovative cam-follower profile designs are presented. In the first follower mechanism, through rotating a connected screw to a servomotor, changes in length of the moving follower on cam is compensated with respect to the temperature changes of certain spatial conditions. In the second design, an inclined surface cam is equipped with an active controllable follower. As the third suggestion, the design with an inclined cam surface is optimized by investigating the length of the shaft connected to the cam. In the fourth model, a new design is proposed by changing the shaft's material from aluminum to titanium and a modified design is presented. The proposed designs are investigated and compared using the analytical solutions and optimization tools using MATLAB and ANSYS. The purpose of this study was to identify the effect of profile type on the dynamic behavior of the mechanism under the effects of a temperature difference of -100 to +120°C in space condition. It is concluded that changing the length of the follower, using an inclined cam surface and optimizing the length of the shaft connected to the follower are all effective solutions to the cam's volume variation problem. The results also indicate that for solving the problem of the volume variation of the cam-follower mechanism a combination of the proposed designs is optimal. Moreover, among the presented designs, the mechanism with an inclined cam surface with an aluminum shaft is shown to have the highest precision and performance with respect to the other three.
VL  - 9
IS  - 6
ER  -

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Author Information

Jafar Keighobadi

Department of Mechanical Engineering, University of Tabriz, Tabriz, Iran
Hojjat Fouladi

Department of Mechanical Engineering, University of Tabriz, Tabriz, Iran
Davood Hashempour

Space Exploration Research Center, Iranian Space Research Center, Tabriz, Iran
Amirreza Rafat Talebi

Department of Mechanical Engineering, University of Tabriz, Tabriz, Iran

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Jafar Keighobadi, Hojjat Fouladi, Davood Hashempour, Amirreza Rafat Talebi. (2021). Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. International Journal of Mechanical Engineering and Applications, 9(6), 113-131. https://doi.org/10.11648/j.ijmea.20210906.14

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ACS Style

Jafar Keighobadi; Hojjat Fouladi; Davood Hashempour; Amirreza Rafat Talebi. Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. Int. J. Mech. Eng. Appl. 2021, 9(6), 113-131. doi: 10.11648/j.ijmea.20210906.14

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AMA Style

Jafar Keighobadi, Hojjat Fouladi, Davood Hashempour, Amirreza Rafat Talebi. Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition. Int J Mech Eng Appl. 2021;9(6):113-131. doi: 10.11648/j.ijmea.20210906.14

Copy | Download

@article{10.11648/j.ijmea.20210906.14,
  author = {Jafar Keighobadi and Hojjat Fouladi and Davood Hashempour and Amirreza Rafat Talebi},
  title = {Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition},
  journal = {International Journal of Mechanical Engineering and Applications},
  volume = {9},
  number = {6},
  pages = {113-131},
  doi = {10.11648/j.ijmea.20210906.14},
  url = {https://doi.org/10.11648/j.ijmea.20210906.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmea.20210906.14},
  abstract = {Cam-follower mechanism efficiency in production of desired motions has been proved along the history of space missions. In this paper, according to pre-specified spatial condition of wide temperature variations between -100 and +120 Celsius degrees, some new and innovative cam-follower profile designs are presented. In the first follower mechanism, through rotating a connected screw to a servomotor, changes in length of the moving follower on cam is compensated with respect to the temperature changes of certain spatial conditions. In the second design, an inclined surface cam is equipped with an active controllable follower. As the third suggestion, the design with an inclined cam surface is optimized by investigating the length of the shaft connected to the cam. In the fourth model, a new design is proposed by changing the shaft's material from aluminum to titanium and a modified design is presented. The proposed designs are investigated and compared using the analytical solutions and optimization tools using MATLAB and ANSYS. The purpose of this study was to identify the effect of profile type on the dynamic behavior of the mechanism under the effects of a temperature difference of -100 to +120°C in space condition. It is concluded that changing the length of the follower, using an inclined cam surface and optimizing the length of the shaft connected to the follower are all effective solutions to the cam's volume variation problem. The results also indicate that for solving the problem of the volume variation of the cam-follower mechanism a combination of the proposed designs is optimal. Moreover, among the presented designs, the mechanism with an inclined cam surface with an aluminum shaft is shown to have the highest precision and performance with respect to the other three.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Dynamical Investigation of Cam-Follower Profile Under Space - 100 to + 120°C Temperature Condition
AU  - Jafar Keighobadi
AU  - Hojjat Fouladi
AU  - Davood Hashempour
AU  - Amirreza Rafat Talebi
Y1  - 2021/12/24
PY  - 2021
N1  - https://doi.org/10.11648/j.ijmea.20210906.14
DO  - 10.11648/j.ijmea.20210906.14
T2  - International Journal of Mechanical Engineering and Applications
JF  - International Journal of Mechanical Engineering and Applications
JO  - International Journal of Mechanical Engineering and Applications
SP  - 113
EP  - 131
PB  - Science Publishing Group
SN  - 2330-0248
UR  - https://doi.org/10.11648/j.ijmea.20210906.14
AB  - Cam-follower mechanism efficiency in production of desired motions has been proved along the history of space missions. In this paper, according to pre-specified spatial condition of wide temperature variations between -100 and +120 Celsius degrees, some new and innovative cam-follower profile designs are presented. In the first follower mechanism, through rotating a connected screw to a servomotor, changes in length of the moving follower on cam is compensated with respect to the temperature changes of certain spatial conditions. In the second design, an inclined surface cam is equipped with an active controllable follower. As the third suggestion, the design with an inclined cam surface is optimized by investigating the length of the shaft connected to the cam. In the fourth model, a new design is proposed by changing the shaft's material from aluminum to titanium and a modified design is presented. The proposed designs are investigated and compared using the analytical solutions and optimization tools using MATLAB and ANSYS. The purpose of this study was to identify the effect of profile type on the dynamic behavior of the mechanism under the effects of a temperature difference of -100 to +120°C in space condition. It is concluded that changing the length of the follower, using an inclined cam surface and optimizing the length of the shaft connected to the follower are all effective solutions to the cam's volume variation problem. The results also indicate that for solving the problem of the volume variation of the cam-follower mechanism a combination of the proposed designs is optimal. Moreover, among the presented designs, the mechanism with an inclined cam surface with an aluminum shaft is shown to have the highest precision and performance with respect to the other three.
VL  - 9
IS  - 6
ER  -

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