Log Splitter

[Highpower]

I liked your smoke trails too Dave. Looked like a miniature air show going on. Were the chips in the shape of miniature aircraft too?   

I've always been led to believe (don't believe everything you read on the internet, right?) that you either run carbide dry OR with flood coolant due to the micro fracturing issue. I don't remember seeing any different distinction between inserts or brazed carbide tools. I always assumed carbide is carbide and there was no basic difference. Coatings are another matter I suppose.

That said - I have used WD-40 on aluminum parts when cutting them with a brazed carbide tool in a fly-cutter in the past. It did seem to leave a better finish. What I question is why I see all kinds of folks on the internet (including the popular names) that are running super-duper carbide inserts in their lathe, and putting a scant dollop of oil on the part with an acid brush and proceed to make all kinds of interrupted cuts and a lot of starting and stopping. How is that not putting the same kind of stress on their inserts?   

I don't have that kind of problem with insert cutters on my mill.  Because I don't have any!  
I can barely afford to buy insert screws, let alone a shell mill.