From: none@none.com99   
      
   On 5/27/2025 7:09 PM, Jim Wilkins wrote:   
   > "Bob La Londe"  wrote in message news:1014rbu$2n8jb$1@dont-email.me...   
   >   
   > I probably won't, but I have been thinking about it.   
   >   
   > --------------------------------   
   >   
   > I've used a piece of bar stock snugly fitted into and protruding above a   
   > tee slot as a vise fixed jaw of sorts. The mill was an RF-31 on which   
   > I'd found that the tee slots weren't quite parallel to table travel, so   
   > I milled the protruding portion of the stock parallel to X after   
   > shimming it up a little. The goal was a vise locating key that corrected   
   > the error, not relevant here.   
   >   
   > Two such tee slot bars could hold crossbars that form the center spacer/   
   > backstop and clamping sides of a double vise. With more spacers you   
   > could cover the table top with mold blanks. The spacer/backstops could   
   > index on the back of the table to make the slot bar fit less critical.   
   >   
   > In fitting the bar I found that the tee slot width wasn't constant   
   > either. It was close enough to file. That RF-31 from MSC was accurate to   
   > no better than 0.005", usually good enough for electronics packaging.   
   > More demanding jobs went to my Clausing.   
   >   
      
      
      
   My first mill vise was a piece of aluminum bolted across the table of my   
   Taig, a flat strip of aluminum, and a piece of aluminum angle.  I'd run   
   bolts through the angle, slide the strip under the flat leg, push the   
   vertical leg up against the stock and tighten it down forming a lever   
   clamp on the edge of the stock.  This allowed me to machine the entire   
   face.  I'm sure you get it, but if not I could pencil up a sketch pretty   
   quick.  I think the only reason I didn't send stock flying is because of   
   the very low cutting loads.   
      
      
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --   
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