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Physics behind climb cutting and conventional cutting

  1. Apr 14, 2013 #1
    Hi guys:


    For basic info: wikipedia: mill cutting : conventional cutting and climb cutting, there's a graph showing how a mill cutting cuts.

    Yesterday in the shop my instructor taught me that climb cutting gives better surface finish than conventional cutting, yet it requires more load(torque). But I have yet to understand the physics behind it.


    Wikipedia page's explanation is not that satisfying either, there's nothing that it says about climb cutting I cannot say the same about convention cutting. On the page it says that in conventional cutting is slides across the surface of the part hence dulling the tool, but if I understand this correctly when you are cutting, the tip of your tool is always sliding across the new surface you are creating as you are cutting, so I don't see how climb cutting is better than conventional to be honest.

    What am I not seeing?
     
  2. jcsd
  3. Apr 14, 2013 #2
    The only reason I can possibly come up with , is that the chip in climb cutting acts as an mechanical leverage that allows the force to be distributed on more surface of the cutter.
     
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