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  1. #1
    Noticed when cutting small tables, the edges (even with a new bit) are very furry.

    I know a compression bit is the answer but they are expensive and upper cut spirals have worked in the past.

    Is it the quality of the mdf? It seems, the lighter colour it is, the better it cuts (or is that just a coincidence?)

    Stuff from Builders yards, Wickes, B & Q seems to waver wildly in quality. Where do you get decent stuff at good prices?

    Click image for larger version. 

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  2. #2
    Yes, lighter color generally indicates higher quality, often known as super-refined MDF.

    I generally use downcuts.
    Gerry
    ______________________________________________
    UCCNC 2017 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

  3. #3
    a straight flute generally works ok for me certainly better than that

  4. #4
    Quote Originally Posted by charlieuk View Post
    a straight flute generally works ok for me certainly better than that
    Does it plunge well? Know of any good prices on straight flutes?

  5. #5
    Quote Originally Posted by Straker View Post
    Does it plunge well? Know of any good prices on straight flutes?
    here; https://www.toolstation.com/shop/Pow...traight/p67412

    You should use a spiral lead-in because they are not designed to plunge straight down, I use them all the time.
    Last edited by EddyCurrent; 17-11-2017 at 10:31 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  6. #6
    Quote Originally Posted by EddyCurrent View Post
    here; https://www.toolstation.com/shop/Pow...traight/p67412

    You should use a spiral lead-in because they are not designed to plunge straight down, I use them all the time.
    Thanks, but isn't that a router bit? I'm talking CNC btw.

  7. #7
    Ha, the router bit has no idea nor cares whether you are using a router or a cnc, in fact I'm suprised you thought there was a difference. (where we are talking about wood products)
    Last edited by EddyCurrent; 17-11-2017 at 10:44 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  8. #8
    Quote Originally Posted by EddyCurrent View Post
    Ha, the router bit has no idea nor cares whether you are using a router or a cnc, in fact I'm suprised you thought there was a difference.
    Sorry I thought they were different. I just found a straight fluted mill bit that can plunge (specifically for CNC). Will give one of those a try. Thanks for suggestion. :)

  9. #9
    Plunging is fine but there comes a time when you should look at lead-in moves. What CAM software are you using ?
    Last edited by EddyCurrent; 17-11-2017 at 10:48 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  10. #10
    Quote Originally Posted by EddyCurrent View Post
    Plunging is fine but there comes a time when you should look at lead-in moves. What CAM software are you using ?
    I would only be plunging 6mm holes and the start of the table edge. I am using V Carve and Mach 3

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