Fly Cutter VS Face Mill and the economics of using each.

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Published 2023-09-29

All Comments (21)
  • @jimkibler786
    It all depends on your goal. Compare same diameter tools and you can run the facemill 5x the feed rate of the fly cutter. Sometimes finish is no concern, but if it is, a fly cutter is hard to beat in my experience.
  • @ashesman1
    Interesting video. Would love to see the same comparison with the face mill running at the recommended feeds and speeds. Of course, it would still not leave as good a finish, but the cycle times should be more favorable. Can also chamfer with most face mills that have 45 degree inserts at high speed, so save a tool change and gets better use out of your inserts.
  • The face mill should give a much better finish than what was shpwn. Consider revisting the feeds and speeds.
  • @ElixirCNC
    Great video! Thanks for the content. Looks like you definitely found something that works for you. I use the Mitsubishi ASX 445 and it leaves a near mirror finish with 20 or 30 in/min feed through steel. The 45° inserts are great because they have balanced downward and side force. I prefer the 2.5” diameter because the 3” version can sometimes be problematic in my Fadal tool changer. I have a video of it in action on my channel.
  • @ypaulbrown
    look at that little buddy pushing the like button and subscribe button.......so sweet.....
  • Thank you for the comparrison. what HP is your milling machine ?
  • @ypaulbrown
    glad I watched, very informative........cheers.....Paul
  • @bennywaymouth
    Nice video. Although it seems an unfair comparison as the face mill was running way too slow. Should be running about 180 m/min for finishing on M/S. That’s assuming of course you’re using tips with modern cutting technology. Also, why didn’t you use wiper inserts on the face mill for comparison as well? You can achieve much higher feedrates and still get a nice shiny finish.
  • @rcdogmanduh4440
    Always preferred traditional fly cutter with hhs, single edge simple re-sharpening.
  • @khoa1825
    Nice video! thank you so much.
  • @SteveInFLALand1
    Thank you for these informative videos. Couldn’t you have used a wiper insert in the fly cutter? Wouldn’t that leave a cleaner finish? All the best!
  • @SergeiPetrov
    You only have one pass with the flying cutter. And two passes with inserts for facemil. Well, you can leave only one insert for facemil for the same purity. Or choose inserts for it on the stove that do not appear so clearly at odds.
  • @absolute___zero
    by any chance do you know what is the difference between "SE" and "AP" carbide inserts ? and what those abbreviations mean? These face mills are sold on aliexpress , they have 2 tooths instead of one. AP is positioned parallel to the working piece and SE is positioned at 45 degrees so it is basically like the suburban tool, but AP is completely different. Looks like SE is what I need for ideal flatness, but would like to ask expert opinion.
  • kinda apples to oranges. while it is a pain to get your cutter overlap area to not have a small step with the facemill, a different facemill with a positive or negative positive square or octagonal insert in a 45 degree facemill/shell mill will create a nice shinny, somewhat mirror surface as long as chips are flushed away. the fly cutter will always get a better finish though bc of only having a single point cutter. unless you have a facemill that you can independently adjust each carbide insert and that would be a pain also bc inserts just arent going to be perfectly cutting on the same plane/depth. no matter how expensive the cutter.like the video though