From: clare@snyder.on.ca   
      
   On Wed, 29 May 2024 12:07:36 -0700, Bob La Londe    
   wrote:   
      
   >I need to make a mounting adapter for the the ballscrew I plan to use on   
   >the Y axis of the Hurco mill.  On hand I have oodles (not quite a crap   
   >ton) of 6061, a little bit of MIC6, a little ATP 5, some 7075 (bought   
   >for a "special" project), and a decent amount of 4140HT not reserved for   
   >anything.   
   >   
   >The 7075 would likely be the best of the aluminum alloys.  Its the   
   >strongest, but like I said.  I bought it for a "special" project.   
   >   
   >The strongest by a lot would be the 4140HT, but it has its issues.  Its   
   >tough to machine, but I can do it.   It would have the least flex, or   
   >compression, but it can warp during machining.  I do have a toy surface   
   >grinder, but it has no coolant setup.  I have no desire to warp it even   
   >more trying it grind it flat after machining.   
   >   
   >In between would be cast iron (very expensive) and mild steel (likely   
   >1018) of which I have neither on hand suitable for this adapter.   
   >   
   >For context, the adapter will bolt onto the location where the old ball   
   >nut was, and the new ball nut will bolt on to it.  It doesn't have to be   
   >absolutely perfect, but it does need to be "pretty good."   
   >   
   >Ideas?  Suggestions?  Warnings?   
   >   
   >   
   >   
   >--   
   >Bob La Londe   
   >CNC Molds N Stuff   
    You think the stress would be too high for 6061T6?? Machines easily.   
      
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