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    Air-Cooling Used For Metal Cutting

    171544_171544.pdf (841.7Kb)
    Access Status
    Open access
    Authors
    Boswell, Brian
    Chandratilleke, Tilak
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Boswell, Brian and Chandratilleke, Tilak T. 2009. Air-Cooling Used For Metal Cutting. American Journal of Applied Science. 6 (2): pp. 251-262.
    Source Title
    American Jounal of Applied Science
    DOI
    10.3844/ajassp.2009.251.262
    ISSN
    1546-9239
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/7817
    Collection
    • Curtin Research Publications
    Abstract

    Air-cooling and dry machining are both being trialled as possible solutions to the metal cutting industry’s long running problems of extending tool life, reducing tool failure and minimising the heat generation at the tool tip. To date, large amounts of expensive coolant which cause both environmental damage and health hazards have had to be used. The introduction of dry machining is the goal of today’s metal cutting industry that tirelessly endeavours to reduce machining costs and impact from chemicals in the environment. Modern tool tips are already capable of maintaining their cutting edge at higher temperatures, but even with these improvements in tool materials, the cutting edge will eventually break down. Applying cold air to the tool interface of these modern tool tips will also help prolong their tool life reducing the cost of metal cutting. Dry machining incorporating air being directed on to the tool interface is considered in this paper as a possible alternative for harmful liquid-based cooling. However, low convective heat removal rates associated with conventional air-cooling methods are generally inadequate for dissipating intense heat generation in the cutting processes, and suitable improved cooling methodologies have yet to be established.

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