From: Snag_one@msn.com   
      
   On 2/28/2025 6:37 PM, Bob La Londe wrote:   
   > No, I didn't put the lathe in reverse, except when I meant to anyway.   
   >   
   > I bought a new parting tool, and some new parting inserts for it that   
   > were supposedly optimized for high chromium and stainless steels.  I   
   > broke a lot of inserts.   
   >   
   > I went back to an HSS parting blade, but I used one 3/16 wide (yeah   
   > really) and ground a chip breaker in it.  Then I polished by hand with a   
   > diamond hone.  Turned the lathe speed way down, and cut several pieces   
   > of 1.5in diameter 416 without much issue.  It does need a drop (just a   
   > drop) 8-10 times during the cut, but it did the trick without a lot of   
   > excitement.   
   >   
   > The chip breaker didn't always break the chips, but it did curly them up   
   > nicely when it didn't.  I didn't have any wild death metal flying around   
   > in my face.   
   >   
   > I'd really like to be able to due this process faster, but atleast some   
   > of my customers are opting for the cheaper aluminum inserts.   
   >   
   > Its not a heavy lathe, but its not a toy either.  Its got a 14 inch   
   > sling, 3HP motor, and weighs right at 2000lbs.  The only thing I thought   
   > of is swapping it out to a 3phase motor so I can change the RPM on the   
   > fly as the diameter decreases. Yeah, I know a real lathe that size would   
   > probably weigh twice that.   
   >   
   >   
      
       I'm still using the 73 year old Logan I got almost 25 years ago .   
   But you're in a different world of machinery requirements . Is there no   
   way this cutting operation can be done on a bandsaw or a cold saw ?   
   --   
   Snag   
   We live in a time where intelligent people   
   are being silenced so that   
   stupid people won't be offended.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)