Hi all, any one have any experience with 0.1mm end mill running in 316L stainless? Is this even possible, I have a good spindel able to do better than 100k RPM if needed, but that's about it, so any comments welcome.
Hi all, any one have any experience with 0.1mm end mill running in 316L stainless? Is this even possible, I have a good spindel able to do better than 100k RPM if needed, but that's about it, so any comments welcome.
Are you talking about a tapered bit with a 0.1mm tip? Or is it really a 0.1mm endmill? I couldn't imagine cutting plastic or wood with a 0.1mm endmill unless your machine is extremely accurate. The smallest amount of backlash or flex would snap a bit that tiny.
Steve
Yes, you have it 0.1mm diameter straight, 2 flute, with a length of 0.3mm with a total depth of cut of about 0.5mm, insane I know, I think the air spindle will be running about 80k and a feed of about 100 mm/min and a depth of cut of 20-25 microns, I will have to build a machine to do this, using micrometers as lead screws and linear ball tracks.
An ambitious project. Would love to see pictures as you build. I have run a 5° tapered end mill with a 0.15 mm tip, cutting 0.75 mm DOC, ~50,000 RPM, cutting 360 brass on my mill so I know that's possible. Should work fine with a tight and heavy machine. The mass of the machine helps with the tool killing vibration.
Ran about 500 of these, about 8 hours of run time.
Jim Dawson
Sandy, Oregon, USA