From: none@none.com99   
      
   On 10/15/2024 5:44 AM, Jim Wilkins wrote:   
   > "Bob La Londe"  wrote in message news:vek97o$1c4gf$1@dont-email.me...   
   >   
   > After drilling a giant hole int he bed of my new truck I decided I   
   > wanted to hit the freshly raw aluminum surface with some metal etching   
   > primer, and some black paint to match the black sprayed in bed liner and   
   > protect the metal.   
   >   
   > All my paint has been on the shelf a long time.  I wasn't able to break   
   > the bearing inside the can loose on the lathe, but after I got it moving   
   > I was able to chuck the spray can up cross wise in the six jaw chuck by   
   > removing two opposed jaws.   
   >   
   > I think taping the can to a long blade in the Super Sawzall is faster,   
   > but I can walk away with the lathe on 70 RPM and work on something else   
   > for 20 minutes when I chuck it in the lathe.   
   >   
   > Bob La Londe   
   > ----------------------------   
   >   
   > As a kid I made a rock tumbler consisting of a small windmill with a   
   > wood pulley and string speed reduction to the paint can holder. It did a   
   > fairly good job of scaring birds from Dad's garden as well. The blades   
   > were crossed sticks with thin plastic or aluminum flashing rectangles   
   > nailed on along one edge, so they self-feathered in strong winds.  It   
   > lasted about 3 months between repairs.   
   >   
      
   Finished it up with a grinder.  Many years ago, when this group was   
   thick with masters of all, I was a bit taken aback by all the folks who   
   would say, "I just freehand sharpen drills with a grinder."  Well, now I   
   just sharpen drills with a grinder.  Today I had to drill four holes in   
   the bed of the new truck for spring loaded chain loops.  The only 11/16   
   drill bit I found looked like it had a poor shallow grind for wallowing   
   its way through steel truck frames... In fact I think that's what it was   
   last use for, and I'm sure I was the one who put that grind on it.  I   
   walked it over to the grinder and put a sharp aggressive three facet   
   grind (6 if you want to be technical) on it for aluminum and punched the   
   holes I needed right through the stiffener and bed of the truck.  (There   
   were already holes in the steel under bed goose neck ball hitch plate.   
      
   After that it was just the usual fat guy trying to work under a truck to   
   get the springs and nuts on the under side of the chain loops.   
      
   All finished up.  Next project electric running boards so my wife can   
   get in and out of the truck safely without my having to run around the   
   truck with a step stool.  Yeah, I keep a step stool in the bed right now.   
      
   I keep telling myself I'll get some nice CBN wheels for one of the   
   grinders so I can sharpen lathe bits, drills, and even split points all   
   on one machine and I still haven't completely worn out a set of the   
   cheap grey stones they come with.  I probably should dress them more   
   often though.   
      
   Anyway now, "I just free hand sharpen drills on the grinder."  Its not   
   even very hard once you've done a few.  3/16 and up is pretty easy.  I   
   have sharpened smaller by swinging a magnifying lamp over the grinder,   
   but the smaller drills are so cheap I just buy them in batches.   
      
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --   
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