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Need Help with Feedrate for Surfacing Tool

Discussion in 'CNC Mills/Routers' started by John Owen, Dec 7, 2021.

  1. John Owen

    John Owen New
    Builder

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    I have just finished building my Lead 1010 and I have secured a 3/4 MDF spoil board in place. I trammed the router and now I am ready to surface the spoil board but I am stuck. I have a the stock Dewalt Router.

    I planned to use the OpenBuilds CONTROL Surfacing tool/wizard. I homed everything and drove each axis to it's maximum to get the Width and Length values for the wizard.

    I am using the 3 Flute Sharbits Surfacing Bit which is 1"(25.4mm) in diameter.

    I was thinking that 1mm would be a good place to start with the Skim Depth and then move further from there if necessary. Thoughts?

    Also I cannot figure out what I should be using for Feedrate in the wizard. Any ideas?
     
  2. Alex Chambers

    Alex Chambers Master
    Moderator Builder

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    I surface my spoilboard with a MAX depth of cut at 0.5 mm - no point throwing spoilboard away unless you need to. I have a workbee rather than a Lead machine, but they are similar - I use 13K rpm at 1000 mm/min for a 20 mm bit.
    Alex.
     
    John Owen and sharmstr like this.
  3. John Owen

    John Owen New
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    I am trying out the GWizard Calculator but I am not 100% positive I should be using the Face Mill function, but it is saying feedrate should be 2540 at 27000 RPM which is I guess max for the Dewalt router.

    I will definitely go with .5mm for the depth, I just want to make sure the whole surface is done.
     
    #3 John Owen, Dec 8, 2021
    Last edited: Dec 8, 2021

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