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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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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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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  • 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 August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.