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Thread: Fly Cutter

  1. #1
    Supporting Member rossbotics's Avatar
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    Fly Cutter

    Made this little fly cutter with an integrated R-8 shank, It's made from 1.500" round 4140 steel, pre-heat treated to a 27-32 RC. It doesn't have an adjustable cutting diameter, It's a fixed 1.500" diameter which is plenty enough for me, I have adjustable ones but they make such a large cutting diameter, It holds a 1/4" high speed steel cutter or carbide, This fly cutter will save on end mills too.

    When I drew this up in cad I drew it up as 1.250" round, But when I went to my steel rack all I had was 1.500" round, I wasn't about to turn it down so I left it at 1.500", But I didn't change the cad drawing, never the less it wouldn't make any difference if it was 2.000" or what ever, the measurements would not change.

    Below are some photos
    As always thanks for looking and happy machining

    Doug

    Click here to purchase a set of these plans http://www.homemadetools.net/forum/r...y-cutter-50371


    Fly Cutter-100_0803.jpg

    Fly Cutter-100_0802.jpg

    Fly Cutter-100_0801.jpg

    Fly Cutter-100_0800.jpg

    Fly Cutter-100_0799.jpg

    Attachment 3985

    Click here to purchase a set of these plans http://www.homemadetools.net/forum/r...y-cutter-50371

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    Last edited by rossbotics; Sep 10, 2016 at 01:04 PM.
    Comments are always welcome
    Doug

    Subscribe to my you tube channel

    https://www.youtube.com/channel/UCDD..._as=subscriber



    Tool Plans for Sale by rossbotics






  2. The Following 7 Users Say Thank You to rossbotics For This Useful Post:

    high-side (Dec 31, 2018), Home-PC (Mar 19, 2021), jjr2001 (Sep 2, 2016), kbalch (Jul 20, 2015), Paul Jones (Jul 20, 2015), PJs (Jul 21, 2015), Tule (Dec 29, 2018)

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    kbalch's Avatar
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    Thanks Doug! I've added your Flycutter to our Fly Cutters category, as well as to your builder page: rossbotics' Homemade Tools. Your receipt:


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    good morning doug. i have purchased drawing. please share cutter geometry.
    thanks.
    david

  5. #4
    Supporting Member rossbotics's Avatar
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    Hi sniffipn and thank you for your purchase, you can use 1/4" square HSS tool bits and sharpen it like your going to use it on a lathe for a right hand cut, or you can use AR-4 carbide tipped tool bits.

    Thanks Again
    Doug
    Comments are always welcome
    Doug

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    Tool Plans for Sale by rossbotics






  6. #5
    Supporting Member jjr2001's Avatar
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    My copy of rossbotics fly cutter

    Great plans Doug,

    I used an existing R8 collet to setup my lathe and followed your plans.
    My steel was 1 3/8" in diameter instead of 1 1/2" so this one is a bit smaller.
    I might make another using a 1 3/4 diameter steel and call it a set.

    Cheers, JR
    Attached Thumbnails Attached Thumbnails Fly Cutter-img_2232.jpg   Fly Cutter-img_2233.jpg  

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    Thanks jjr2001! We've added your Fly Cutter to our Fly Cutters category,
    as well as to your builder page: jjr2001's Homemade Tools. Your receipt:






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