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Thread: Anyone use down cut bits for wood cutting...

  1. #21

    Default Re: Anyone use down cut bits for wood cutting...

    Not the same brand but I did find this 1/8" downcut with an 1/8" shank on EBay. Seems deccent quality! https://www.ebay.ca/itm/151926815022. I should add that the seller said it would work fine for wood, which is how I intend on using it.



  2. #22
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    Default Re: Anyone use down cut bits for wood cutting...

    yah thats a possiblity...was hoping for a 2" OAL thats what all of my up cuts currently are



  3. #23
    Member ger21's Avatar
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    Default Re: Anyone use down cut bits for wood cutting...

    .i would like an 1/8' down cut as well with an 1/8 shank...doesnt seem to exist
    Most of the major router bit manufacturers don't make 1/8" shank bits, because handheld routers don't have 1/8" collets.
    Ebay is your best bet for 1/8" shank tools. You'll pay a fraction of what you'll pay anywhere else.

    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  4. #24

    Default Re: Anyone use down cut bits for wood cutting...

    I noticed that Lee Valley is offering 1/8" down cut bits for dremels, I assume they are fine for CNC routers. Not sure on the OAL, but here's a link Mini Downcut Spiral Bits - Lee Valley Tools



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    Default Re: Anyone use down cut bits for wood cutting...

    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  6. #26

    Default Re: Anyone use down cut bits for wood cutting...

    Looks like the same seller as my earlier post with a volume discount. Good price!



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    Default Re: Anyone use down cut bits for wood cutting...

    I found a downcut bit was my only way to run cutting profiles in thin sign work in 1/8" PVC sheet (Sintra board). Its a really flimsy sheet and my vacuum couldn't keep the sheet flat with an upcut. The upcut force would lift the sheet from the spoilboard and screw up the cut accuracy. Are there compression bits that would place the compression center in the middle of such a thin sheet?



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    Default Re: Anyone use down cut bits for wood cutting...

    ordered the 1/4 yoniko and will order an 1/8 and 1/6 from fleebay...to save my sanity from sanding



  9. #29
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    Default Re: Anyone use down cut bits for wood cutting...

    Quote Originally Posted by ger21 View Post
    The box joint pics I posted earlier were done with a Yonico bit from Amazon.
    Gerry, what chip load, rpm, feed and DOC are you using in hardwood with your Yonico down cut?

    I have a 7/32 3 flute down cut but can't find anywhere the specifications and Yonico doesn't seems to bother when I mail them...



  10. #30
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    Default Re: Anyone use down cut bits for wood cutting...

    Anything under 1/4", I keep my depth of cut to no more than the tool diameter.
    Feedrate depends on what you're doing, could be anywhere from 75ipm to 300ipm. 12,000-18,000 rpm.

    With a 3 flute, keep the rpm lower, and the feedrate higher.

    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  11. #31
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    Default Re: Anyone use down cut bits for wood cutting...

    Lately (which is past 3-4 years), for wood, I use single-edge endmills almost exclusively for most any tooling 1/4" or less. Creates larger chips, and ejects them a lot better. Plus, you can run your spindle at higher speeds, where you'll have more HP...



  12. #32
    Member Biggs427's Avatar
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    Default Re: Anyone use down cut bits for wood cutting...

    Running at higher speed would help the speed control on my router to keep up...

    I saw single flute dow cut in a catalognat work. I think I'll order one to try. I think it's FS Tools. Are these good cutters?

    My new router is supposed to have 2hp but at lower rpm my old 1hp Makita had better speed control so it "felt" like it had more power at low speed...

    I really need to complete my PID but sometimes life gets in the way.



  13. #33
    Member ger21's Avatar
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    Default Re: Anyone use down cut bits for wood cutting...

    Yes, FS tools are good, and made in Canada.
    Probably not the cheapest, though, but nothing is, when you live in Canada.

    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


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