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Modeling and experimental verification of chip evacuation forces in cortical bone drilling.

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Title: Modeling and experimental verification of chip evacuation forces in cortical bone drilling.
Authors: Sui, Jianbo1 (AUTHOR) jianbo_sui@hotmail.com, Jiang, Yiping1 (AUTHOR), Wei, Qunfang1 (AUTHOR), Sheng, Peizhe1 (AUTHOR), Luo, Jiaqi1 (AUTHOR), Du, Cezhi1 (AUTHOR), Wang, Chengyong1 (AUTHOR)
Source: Machining Science & Technology. 2025, Vol. 29 Issue 4, p605-622. 18p.
Subjects: Compact bone, Osteonecrosis, Thrust, Friction, Torque
Abstract: Excessively increased drilling forces due to poor chip evacuation have increased the risk of drill bit breakage and thermal necrosis of bone tissue. To evaluate chip evacuation on the force increase, an improved force model is proposed to predict the chip evacuation forces for bone drilling operations. First, the bone chips generated in the drill flutes are considered granular solids, and the chip evacuation force model is determined from normal and lateral pressures on a differential chip element. Then, a calibration experiment is designed to determine the two required coefficients of friction in the developed model for bovine cortical bone. Finally, a set of drilling experiments with varied process parameters is conducted to validate the model. The results show that the two coefficients of friction are related to the tool and workpiece material combination and change with variable process parameters. The predicted chip evacuation forces by the model fit well with the experimental forces, with an average error of 8.28% for chip evacuation thrust force and 9.81% for chip evacuation torque. [ABSTRACT FROM AUTHOR]
Copyright of Machining Science & Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 186248493
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Modeling and experimental verification of chip evacuation forces in cortical bone drilling.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Sui%2C+Jianbo%22">Sui, Jianbo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jianbo_sui@hotmail.com</i><br /><searchLink fieldCode="AR" term="%22Jiang%2C+Yiping%22">Jiang, Yiping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Qunfang%22">Wei, Qunfang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sheng%2C+Peizhe%22">Sheng, Peizhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Luo%2C+Jiaqi%22">Luo, Jiaqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Cezhi%22">Du, Cezhi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Chengyong%22">Wang, Chengyong</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Machining+Science+%26+Technology%22">Machining Science & Technology</searchLink>. 2025, Vol. 29 Issue 4, p605-622. 18p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Compact+bone%22">Compact bone</searchLink><br /><searchLink fieldCode="DE" term="%22Osteonecrosis%22">Osteonecrosis</searchLink><br /><searchLink fieldCode="DE" term="%22Thrust%22">Thrust</searchLink><br /><searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br /><searchLink fieldCode="DE" term="%22Torque%22">Torque</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Excessively increased drilling forces due to poor chip evacuation have increased the risk of drill bit breakage and thermal necrosis of bone tissue. To evaluate chip evacuation on the force increase, an improved force model is proposed to predict the chip evacuation forces for bone drilling operations. First, the bone chips generated in the drill flutes are considered granular solids, and the chip evacuation force model is determined from normal and lateral pressures on a differential chip element. Then, a calibration experiment is designed to determine the two required coefficients of friction in the developed model for bovine cortical bone. Finally, a set of drilling experiments with varied process parameters is conducted to validate the model. The results show that the two coefficients of friction are related to the tool and workpiece material combination and change with variable process parameters. The predicted chip evacuation forces by the model fit well with the experimental forces, with an average error of 8.28% for chip evacuation thrust force and 9.81% for chip evacuation torque. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Machining Science & Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/10910344.2025.2507005
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 605
    Subjects:
      – SubjectFull: Compact bone
        Type: general
      – SubjectFull: Osteonecrosis
        Type: general
      – SubjectFull: Thrust
        Type: general
      – SubjectFull: Friction
        Type: general
      – SubjectFull: Torque
        Type: general
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      – TitleFull: Modeling and experimental verification of chip evacuation forces in cortical bone drilling.
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            NameFull: Sui, Jianbo
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            NameFull: Jiang, Yiping
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            NameFull: Wei, Qunfang
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            NameFull: Sheng, Peizhe
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            NameFull: Luo, Jiaqi
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            NameFull: Du, Cezhi
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            NameFull: Wang, Chengyong
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          Dates:
            – D: 01
              M: 07
              Text: 2025
              Type: published
              Y: 2025
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