This preprint is under consideration at The International Journal of Advanced Manufacturing Technology. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
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Research Article
Tao Jiang
Jimei University
Corresponding Author
ORCiD: https://orcid.org/0000-0002-2967-5891
License:
This work is licensed under a CC BY 4.0 License. Read Full License
The ultrasonic elliptical vibration cutting (UEVC) technique has been found to be a promising technique for ultraprecision machining of microstructural functional surfaces. However, the current UEVC technique can’t achieve higher frequency ultrasonic cutting due to its rigid orthogonal vibration transmission. To further study the cutting mechanism and removal characteristics in high frequency UEVC of microstructural surface, the UEVC based on flexible guided wave transmission is proposed which can achieve 96.8 kHz. The influence of bending vibration of guided wave band on longitudinal vibration is elaborated with the model of the bending vibration dynamic model of the guided wave. The model of elliptical trajectory deflection of tool tip is established. Based on the theoretical modeling and finite element simulation, the residual height and material removal characteristics of elliptic trajectory with variable deflection angle are simulated and analyzed. The results show that when the deflection angle is between 10° and 70°, the tangential force is small and stable. Finally, the cutting experiments of micro-pyramid reflective mold in guided wave UEVC and conventional cutting (CC) are carried out. Compared with CC, high-frequency UEVC can obtain micro-pyramid elements with average roughness of 5.21 nm, that verifies the applicability of high-frequency UEVC in precision machining of microstructure.
Keywords
Ultrasonic elliptical vibration cutting, Guided wave transmission, Deflection angle, Microstructure, Elliptic trajectory
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CURRENT STATUS: Under Revision
Version 1
Posted 08 Mar, 2021
No community comments so far
Editorial decision: Major Revisions Needed
On 14 Apr, 2021
Reviewers invited
Invitations sent on 28 Feb, 2021
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On 28 Feb, 2021
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Received 28 Feb, 2021
First submitted
On 24 Feb, 2021
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Subject Areas
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This preprint is under consideration at The International Journal of Advanced Manufacturing Technology. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Tao Jiang
Jimei University
Corresponding Author
ORCiD: https://orcid.org/0000-0002-2967-5891
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Revision
Version 1
Posted 08 Mar, 2021
No community comments so far
Editorial decision: Major Revisions Needed
On 14 Apr, 2021
Reviewers invited
Invitations sent on 28 Feb, 2021
Editor assigned
On 28 Feb, 2021
Reviews received
Received 28 Feb, 2021
First submitted
On 24 Feb, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Mechanical Engineering
License:
This work is licensed under a CC BY 4.0 License. Read Full License
The ultrasonic elliptical vibration cutting (UEVC) technique has been found to be a promising technique for ultraprecision machining of microstructural functional surfaces. However, the current UEVC technique can’t achieve higher frequency ultrasonic cutting due to its rigid orthogonal vibration transmission. To further study the cutting mechanism and removal characteristics in high frequency UEVC of microstructural surface, the UEVC based on flexible guided wave transmission is proposed which can achieve 96.8 kHz. The influence of bending vibration of guided wave band on longitudinal vibration is elaborated with the model of the bending vibration dynamic model of the guided wave. The model of elliptical trajectory deflection of tool tip is established. Based on the theoretical modeling and finite element simulation, the residual height and material removal characteristics of elliptic trajectory with variable deflection angle are simulated and analyzed. The results show that when the deflection angle is between 10° and 70°, the tangential force is small and stable. Finally, the cutting experiments of micro-pyramid reflective mold in guided wave UEVC and conventional cutting (CC) are carried out. Compared with CC, high-frequency UEVC can obtain micro-pyramid elements with average roughness of 5.21 nm, that verifies the applicability of high-frequency UEVC in precision machining of microstructure.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Figure 21
Figure 22
This preprint is available for download as a PDF.
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