ranchak
Cast Iron
- Joined
- Dec 4, 2007
- Location
- Southern California
I've been using Tungaloy inserts for turning SS and 4140 and have had very little success. I was wondering if anyone else is using any Tungaloy products and having success. I use Korloy for aluminum and get great results. I've tried multiple grades, chip breakers, ground, molded and still do not get a great finish or long life. I'm talking a few parts before the inserts start to fail. The parts are usually around 1.5" diameter or less. My turret is trammed to the spindle, no excessive stickout. Current job is 1.125" 4140 run in a 20C collet sticking out 3.0". Without getting into great details this is a simple part, nothing fancy. The one thing I noticed is to get an acceptable finish I really need to run these inserts at their max SFM and IPR. I'm starting to suspect the material, but it's supposed to be domestic. I've had very little luck with their parting inserts. And yes I've talked to the rep and the factory, but that hasn't seemed to help.
Flame on!!!
Flame on!!!