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Very Hot Topic (More than 25 Replies) Next Project, Hepburn Walker Patent Configuration (Read 1016 times)
steel-pounder
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Re: Next Project, Hepburn Walker Patent Configuration
Reply #30 - Today at 8:57pm
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how about fixturing the receiver flat on a vertical rotary table so that the center point of the circle defining the 1.125 radius is on the center axis of the table. a flat end mill can then come in 90 to the face of the track? then rotate the receiver so the radius is cut?
  
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bobw
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Re: Next Project, Hepburn Walker Patent Configuration
Reply #31 - Today at 9:30pm
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steel-pounder wrote Today at 8:57pm:
how about fixturing the receiver flat on a vertical rotary table so that the center point of the circle defining the 1.125 radius is on the center axis of the table. a flat end mill can then come in 90 to the face of the track? then rotate the receiver so the radius is cut?


If I understood Greg correctly, this is exactly what they came up with.  In the original frame it looks to be just enough clearance to complete the arc and miss the barrel section of the frame.  It will need to be a long end mill.  Not sure how large will work but my guess it will need to be small, 1/4 but hopefully 3/8.
Bob
  
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