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Analysis of the thermo-mechanical load and productivity during force-compliant grinding of pcBN.

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Title: Analysis of the thermo-mechanical load and productivity during force-compliant grinding of pcBN.
Authors: Müller, Ulrich1 (AUTHOR) u.mueller@wzl.rwth-aachen.de, Prinz, Sebastian1 (AUTHOR), Barth, Sebastian1 (AUTHOR), Bergs, Thomas1,2 (AUTHOR)
Source: Journal of Materials Processing Technology. Jul2022, Vol. 305, pN.PAG-N.PAG. 1p.
Subjects: Grinding wheels, Boron nitride, Cutting tools, Aerospace industries, Automobile industry
Abstract: Superhard cutting tool materials such as polycrystalline cubic boron nitride (pcBN) are increasingly demanded in the aerospace and automotive industries. Although grinding is a common manufacturing technology for pcBN cutting tools, the lack of knowledge regarding thermal and mechanical loads during grinding of pcBN can cause workpiece damage and high grinding wheel wear. Therefore, this work presents a new approach of force-compliant grinding (FCG) of different pcBN specifications considering the thermal and mechanical load as well as the productivity. During the FCG approach, the normal force between the grinding wheel and the pcBN workpiece was set to a predefined value before material removal starts. Based on an evaluation of the grinding force ratio, the temperature of contact and the material removal rate, a modification of Preston's theory of polishing was found to be applicable to predict the productivity. Accordingly, both an increasing grinding normal force and grinding force ratio lead to an increasing productivity during FCG of pcBN. However, the quantitative models developed in this work enable to predict the productivity as well as the mechanical and thermal load during FCG of pcBN. These models hence contribute to the extension of process knowledge for grinding pcBN and thus to prevent damage to the workpiece and high wear of the grinding wheel. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 156627771
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Analysis of the thermo-mechanical load and productivity during force-compliant grinding of pcBN.
– Name: Author
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  Data: <searchLink fieldCode="AR" term="%22Müller%2C+Ulrich%22">Müller, Ulrich</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> u.mueller@wzl.rwth-aachen.de</i><br /><searchLink fieldCode="AR" term="%22Prinz%2C+Sebastian%22">Prinz, Sebastian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Barth%2C+Sebastian%22">Barth, Sebastian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bergs%2C+Thomas%22">Bergs, Thomas</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Processing+Technology%22">Journal of Materials Processing Technology</searchLink>. Jul2022, Vol. 305, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Grinding+wheels%22">Grinding wheels</searchLink><br /><searchLink fieldCode="DE" term="%22Boron+nitride%22">Boron nitride</searchLink><br /><searchLink fieldCode="DE" term="%22Cutting+tools%22">Cutting tools</searchLink><br /><searchLink fieldCode="DE" term="%22Aerospace+industries%22">Aerospace industries</searchLink><br /><searchLink fieldCode="DE" term="%22Automobile+industry%22">Automobile industry</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Superhard cutting tool materials such as polycrystalline cubic boron nitride (pcBN) are increasingly demanded in the aerospace and automotive industries. Although grinding is a common manufacturing technology for pcBN cutting tools, the lack of knowledge regarding thermal and mechanical loads during grinding of pcBN can cause workpiece damage and high grinding wheel wear. Therefore, this work presents a new approach of force-compliant grinding (FCG) of different pcBN specifications considering the thermal and mechanical load as well as the productivity. During the FCG approach, the normal force between the grinding wheel and the pcBN workpiece was set to a predefined value before material removal starts. Based on an evaluation of the grinding force ratio, the temperature of contact and the material removal rate, a modification of Preston's theory of polishing was found to be applicable to predict the productivity. Accordingly, both an increasing grinding normal force and grinding force ratio lead to an increasing productivity during FCG of pcBN. However, the quantitative models developed in this work enable to predict the productivity as well as the mechanical and thermal load during FCG of pcBN. These models hence contribute to the extension of process knowledge for grinding pcBN and thus to prevent damage to the workpiece and high wear of the grinding wheel. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jmatprotec.2022.117604
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Grinding wheels
        Type: general
      – SubjectFull: Boron nitride
        Type: general
      – SubjectFull: Cutting tools
        Type: general
      – SubjectFull: Aerospace industries
        Type: general
      – SubjectFull: Automobile industry
        Type: general
    Titles:
      – TitleFull: Analysis of the thermo-mechanical load and productivity during force-compliant grinding of pcBN.
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            NameFull: Müller, Ulrich
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            NameFull: Prinz, Sebastian
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            NameFull: Barth, Sebastian
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            NameFull: Bergs, Thomas
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          Dates:
            – D: 01
              M: 07
              Text: Jul2022
              Type: published
              Y: 2022
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              Value: 09240136
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              Value: 305
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            – TitleFull: Journal of Materials Processing Technology
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