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Thread: V Carve Inlay surface smoothing

  1. #1
    Join Date
    Sep 2016
    Location
    Victoria British Columbia Canada
    Posts
    5

    Question V Carve Inlay surface smoothing

    I am trying to figure out how to set my machine to do the following. I have a v carve inlay which after trimming is still say 0.2 proud of the board surface. I do not want to plane it. There should be a way to set up my machine with my z height on the board a start height of 0.2 above z and a depth of cut of zero (to bring the inlay flush with the board surface. For some reason I cannot set a start height of Z + 0.2. Anybody had any luck with this?

    Thanks

    Fred

  2. #2
    Join Date
    Apr 2007
    Location
    Marquette, MI
    Posts
    3,388

    Default

    Move bit to .2
    ZZ
    Gary Campbell
    GCnC Control
    GCnC411(at)gmail(dot)com
    Servo Controller Upgrades
    http://www.youtube.com/user/Islaww1


    "We can not solve our problems with the same level of thinking that created them"
    Albert Einstein


  3. #3
    Join Date
    Sep 2016
    Location
    Victoria British Columbia Canada
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    Default

    Thanks but I think I worked out how to set the system. I was trying to do it through the Vectric software but yesterday got it figured out using the Shopbot software.

    Fred

  4. #4
    Join Date
    Apr 2013
    Location
    Kennebunkport, Maine
    Posts
    4,419

    Default

    Fred,
    Best luck here (but depends on design and how the waste sits), is to raster against the grain to remove majority of waste, leaving a skin of waste .01-.02".
    Then using something like a business card under Z-plate(.01") raster again or manual, and then ZZ, but with a stepover this time more as if you're doing a 3D(4-10% depending on bit D),
    and take off say .05"(depends on flatness of board)again against the grain. Seems to minimize splinters tearing stuff out.
    Then skim as close as you dare before sanding.
    I've had best luck with a downcut.
    Attached Images Attached Images
    scott P.
    2013 Desktop/spindle/VCP 11.5**
    Maine

  5. #5
    Join Date
    Sep 2016
    Location
    Victoria British Columbia Canada
    Posts
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    Thanks Scott

    Works like a charm. Started with .05 last couple of passes .02. Thankfully being retired I have enough time on my hands to play with light cuts. Gets to be a bit of a gem of chicken, how close can I get, but nice to know I can do it

    Fred

  6. #6
    Join Date
    Apr 2013
    Location
    Kennebunkport, Maine
    Posts
    4,419

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    Glad it worked well for you Fred!
    If board was surfaced by machine, and flatly held down, you can get within a whisker
    Also helps if after clamping, the board is turned upside down, so any glue excess winds up on waste...strengthens the waste a little also, so it doesn't splinter off and take a chunk with it.
    FUN seeing it emerge
    scott
    scott P.
    2013 Desktop/spindle/VCP 11.5**
    Maine

  7. #7
    Join Date
    Jun 2011
    Location
    Melbourne, Australia
    Posts
    1,010

    Default

    I have found the easiiest and most cock up proof method is to just slice off the top with the band saw. A final clean up is then done on a drum sander and you do get extremely consistant results.
    Buddy BT48 with 6' power stick
    2.2 HSD Spindle
    Aspire 9.5
    6" ShopBot Indexer

  8. #8
    Join Date
    Apr 2013
    Location
    Kennebunkport, Maine
    Posts
    4,419

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    Hey Bob,
    I don't know about Fred, but both those tools are on my wish list, NOT in my shop
    Actually like the last one I did...I left inlay about .015" proud, and using a soft Bosch pad/abranet backing pad/ and 320/400/600 abranet, and it left the inlay VERY slightly proud and it added a nice tactile touch similar to Greene Brothers
    The Fein 5" optional hard pad and working through the grits, leaves it flush without too much time to take it down.
    I hear you guys are finally getting some warm days and less rain
    Skim ice in places for first time on the pond today.
    scott
    scott P.
    2013 Desktop/spindle/VCP 11.5**
    Maine

  9. #9
    Join Date
    Sep 2016
    Location
    Victoria British Columbia Canada
    Posts
    5

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    Hi Bob

    That works well with a sharp blade and a flat surface well the band saw part anyway the drum sander purchase was put off in favour of the shopbot purchase. What What using the shopbot technique will allow me to do is place and finish insert in a piece where the insert location is below the nominal surface. For example an already turned plate where the surface of the plate was below the rim of the plate. Christmas gift ideas abound. Thanks for all the advice it will all apply at some point.

    Fred

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