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It's already giving up the ghost. This is a pretty good demo in favour of "prime" turning. Good chip control, smoother turning, and that insert will outlast the CNMG many times over.

@@kevind1865 Generates enourmous amounts of radial forces, thus faster wearing the bearings and the turret. Spindle lifespan will be shorter for running over 100% all the time. I doubt the prime turning inserts last much longer. Yes, they have the cutting force spread out on bigger area but their geometry is extra weak. Also when classic insert breaks, you can hear "TURN IT OFF! TURN IT OFF!" and a guy running to the machine usually makes it in time. The only thing you will hear with prime insert is the machine picking up phone and ordering transport to the scrapyard. Also turning operations are the easiest thing that even the operator can program them on the panel within few minutes. For prime turning you need to pay license for CAM software that supports prime plugins. Also to note, costs for prime turning inserts are 50%-80% higher.

@@adamsevcik7708 The higher the spindle % the more money you make. Get with the times or get left behind. The future is now old man.

Thank you!

This is a great idea, we can make a comparing video. Can you please recommend us in your opinion competitive cutting speeds, feeds and depth of cut using W-style insert.

@@BULSOLIDLTD it's c45 steel, with sandvik WNMG 08 04 08-PR 4425 CVD you can go 330m/min, AP 2.5mm, 0.3mm/rev feed only problem could be clamping and rigidity, use jaws with bottom and stick the bar further in the spindle send me the contour please, i may try it

@@adamsevcik7708 So I ended up using all the same speeds and feeds and the same workholding. Thank you for your suggestion. New video is now life. Please check it. It will be interesting to see your comment. Link to new video- th-cam.com/video/QHGyskxNSvk/w-d-xo.html&ab_channel=BULSOLIDLTD

@@BULSOLIDLTD Wow, you guys rock, nice. I don't know if it's the angle of the camera or you changed the contour but new part seems big longer. Might be just matter of perspective. Anyway nice comparison.

​@@adamsevcik7708 Thank you, It seems during video editing picture was shrinked or camera was at different angle. We assure you that parts are completely identical.

I don't remember any dramatic vibration as long as you don't plunge in the material directly. I remember thying this with direct plunging in the material with 40 mm cutter and there was much more vibrations only at the moment when plunging .It was cutting really good.

I had the machine for year now. Never had issue with reliability or accuracy. I'm pretty happy with this machine.

feed per tooth is already .333mm

I am not talking about feed per tooth, I mean %10 of the tool diameter should be engaged while cutting. 1.2mm it should be in this case.@@Windows350

@@Windows350That's right, ideal chip load was achieved

I prefer 110%

¿Machine maximum?

Toe clamps are brand - AMF - catalog number - 6316U-14-0