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IndustryArena Forum > WoodWorking Machines > Commercial CNC Wood Routers > Help with CNC speeds and feeds (cuts are smoking)
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  1. #1
    Join Date
    May 2023
    Posts
    6

    Help with CNC speeds and feeds (cuts are smoking)

    The specs on my cutter are;
    "3500-4300 rpm at a feed of 20""-100"" per minute for your application."

    I ran some tests:
    4300 at 100 feed rate and 10,000 sfm Result: smoking when making a cut
    3500 at 100 feed rate and 10,000 sfm cutter Result: stops on wood during cutting
    4300 at 50 feed rate and 10,000
    Result: stops on wood during cutting

    Any ideas what to try next in terms of adjusting my rpm/feed rate/sfm?

    Thanks

  2. #2
    Join Date
    May 2023
    Posts
    6

    Re: Help with CNC speeds and feeds (cuts are smoking)

    I’ve been running some tests on 3/4” plywood with a 5” slitting saw.

    I’ve been getting a lot of smoking when removing a small amount of material (around 1/16”) from the outside diameter of a cylinder.

  3. #3
    Join Date
    Dec 2003
    Posts
    1228

    Re: Help with CNC speeds and feeds (cuts are smoking)

    That is a very low spindle speed for a router.What other cutter have you run successfully?As for using a slitting saw to reduce a diameter-why?

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