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27288Re: [GrizHFMinimill] Re: anyone sells brass gibs or tapered gibs for X2?

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  • John Lindo
    Apr 7 9:57 PM
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      Hello Dave.
      Agree that the gibs need to be flat,but not lapped unless you intend to finish the job
      and scrape both surfaces both gib and running edge of the machined vee.
      If not they will tend to "RING" (stick) together as similar to a slip gauges,and also you have no areas or pockets for the oil 
      to be trapped between the surfaces for lubrication.
      Ideal material is not brass but phosphor bronze and or cast iron because of the materials inherent lubricity
      content and durability.
      I worked for many years building thread grinders and jig borers,this was how it was done as follows.
      The machine beds (cast iron ) were first milled after 2 years outside weathering,then all surfaces 
      including the vees were surface ground and finally scraped to there mating running parts.
      John
      Spain.  
      On Monday, April 7, 2014 10:10 PM, "davegreenham@..." <davegreenham@...> wrote:
       
      If you want brass gibs instead of steel. Then Arceurotrade sell them. But you will still need to lap them in.Dave. U.K.


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