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Thread: Sled question

  1. #1

    Default Sled question

    Hello,

    I have a pattern that I am carving that I built a sled for. The sled is 3/4 thick and the board I am carving is 3/4, so 1 1/2" thick total. I used the outline feature in designer and selected the pattern to be cut out. I loaded the board and the machine touched off with the 1/8 cutting bit and the machine gave the message "board too thick to cut through: 1) Abort 2) Continue" I chose continue and it is currently carving. When it completes the pattern with the cutting bit, will it treat the cut path as if it was cutting through only 3/4 and leave tabs like it normally would and just cut a little into my sled (as i was intending), or will it not perform the cut path at all? I realize the 1/8" bit only cuts 1" deep, I was thinking the machine would just use the thickness of the programmed board and perform the cut path just over 3/4 deep and leave the tabs.

    This is my first project with a sled.

    Thanks,

    Tim

  2. #2
    Join Date
    Sep 2007
    Location
    Northern Colorado
    Posts
    7,962

    Default

    Did you get any message asking to cut through the project or the board? Did you set your board size in designer as 3/4 or 1 1/2?
    RingNeckBlues
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  3. #3

    Default

    No, the machine did not ask to cut through project or board. The board in designer was set to 3/4. From some searching on the forum, it seems it should have asked project or board. If it asks me to load the 1/8 bit after the carving bit has finished, I may just see what happens and have my finger on the stop button. I did set the max cut depth to .260 so it should take it in small cuts.

  4. #4
    Join Date
    Nov 2008
    Location
    Vancouver Island
    Posts
    8,193

    Default

    I believe that after the machine gives the board too thick message and you press continue, it will cut to the maximum depth possible. Be ready for the bit to cut into the sled. Tabs may be cut.

  5. #5

    Default

    Well, it seems it wasn't a problem. The machine finished the carve, asked for the 1/8" bit, and started routing. It left the tabs and went into the sled only .075" (measured with dial caliper). *phew*

  6. #6
    Join Date
    Nov 2008
    Location
    Vancouver Island
    Posts
    8,193

    Default

    Did the machine ask for the board thickness before it continued?

  7. #7

    Default

    No, it just asked to load 1/8 cutting bit, it touched off on the swing out plate and went to work. I'm almost positive it did not ask for cut through project/board at the beginning. I plan on making a 2nd identical project in a day or two, so when I start that one I'll make sure to note any prompts from the machine.

  8. #8
    Join Date
    Jun 2013
    Location
    Southeast Idaho
    Posts
    641

    Default

    What I have found is that if the total thickness is one inch or less, the machine asks whether to cut through board/project. Over an inch (can't find sliding plate) it just says too thick, abort/continue. Selecting continue, it goes with the design thickness. Hasn't failed to use design thickness yet.

  9. #9
    Join Date
    Nov 2008
    Location
    Vancouver Island
    Posts
    8,193

    Default

    I my experience, if if cannot touch the sliding plate, it asks for the board thickness.

    When it asks for board or project thickness it is because it did touch the sliding plate and the thickness it found did not agree with the project thickness.

    There is a third case where it bobs at the keypad side and just says board too thick. I think that in that case, it does a max depth cut.

    I do not know which case is happening here.

  10. #10

    Default

    Running an identical project this afternoon. This is what the machine did:

    Measured board, stay under rollers, center on board, etc, etc,
    prompt for 1/8 cutting bit, spin up test
    bobbed a couple times (keypad side - no z errors)
    moved across machine and touched off on the slide out plate
    returned to keypad side and bobbed a couple times (no z error)
    Touched off on board (1 1/2" total thickness)
    Message "Board to thick to cut through, 1) Abort 2) continue" pressed "2"
    Load 1/16" carving bit, spin up test, bob keypad side, touch off on slide out plate
    begin carve

    To the best of my knowledge this is the exact sequence it went through on my first carve a couple days ago, and the end result was it performed the cut paths properly with tabs and penetrated .075" into the sled.

    It works for me, but still wonder if i'm supposed to get the "project or board" prompt, or if its automatically assumed to cut through the project when the machine knows it cant go all the way through the board.

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