From: none@none.com99   
      
   On 2/17/2026 8:52 PM, Snag wrote:   
   >    I'm going to try my hand at brazing new carbide on some chipped and   
   > worn boring bars for my mill . I have 3 choices for heat source , O/A ,   
   > TIG , or my induction heater . I also have a couple of choices for braze   
   > filler , phosphor bronze TIG filler , regular brazing rod , and silver   
   > solder if I can find mine . I also have some brass wire , composition   
   > unknown and a few sticks of silphos , though I don't know if that will   
   > stick to steel . I also have both borax and regular brazing flux .   
   >   
   >   The plan is to heat and remove the old/broken insert , apply flux and   
   > a thin piece of brazing filler topped with a new carbide piece , and   
   > heat to brazing temp . After watching a couple of youtube videos it   
   > looks like I may need to hold the new carbide in place as it heats/   
   > cools , I'll probably use a piece of SS TIG filler for that .   
   >   
   >    I just realized that I can replace the carbide teeth on the face mill   
   > that came with my milling machine . I tried to sharpen the cutters on   
   > the lathe , turned out less than optimum . If I do that I'll use the   
   > indexing device I built for sharpening end mills to sharpen them . Might   
   > try that to even them up , might turn out I don't need to replace them   
   > right away .   
   >   
   >   Thoughts on heat source and filler selections ?   
      
      
   Let us know what you choose, and how it works.  Please.   
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)