The Location of the Maximum Temperature on the Cutting Edges of a Drill

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This study analyzes the temperature profile along the cutting edges of a drill and describes how the temperature on the chisel edge can exceed the temperature on the primary cutting edges. A finite element model predicts the temperature distribution in the drill, where the heat flux loads applied to the finite element model are determined from analytical equations. The model for the heat flux loads considers both the heat generated on the shear plane and the heat generated on the rake face of the tool to determine the amount of heat flowing into the tool on each segment of the ... continued below

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PDF-file: 16 pages; size: 0.2 Mbytes

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Bono, M J & Ni, J January 7, 2005.

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Description

This study analyzes the temperature profile along the cutting edges of a drill and describes how the temperature on the chisel edge can exceed the temperature on the primary cutting edges. A finite element model predicts the temperature distribution in the drill, where the heat flux loads applied to the finite element model are determined from analytical equations. The model for the heat flux loads considers both the heat generated on the shear plane and the heat generated on the rake face of the tool to determine the amount of heat flowing into the tool on each segment of the cutting edges. Contrary to the conventional belief that the maximum temperature occurs near the outer corner of the drill, the model predicts that the maximum temperature occurs on the chisel edge, which is consistent with experimental measurements of the temperature profile.

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PDF-file: 16 pages; size: 0.2 Mbytes

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  • Journal Name: International Journal of Machine Tools and Manufacture; Journal Volume: 46

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  • Report No.: UCRL-JRNL-209516
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 883836
  • Archival Resource Key: ark:/67531/metadc874632

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 7, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 9, 2016, 6:35 p.m.

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Bono, M J & Ni, J. The Location of the Maximum Temperature on the Cutting Edges of a Drill, article, January 7, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc874632/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.