Page 1 of 2 12 LastLast
Results 1 to 10 of 16

Thread: Very High Density Foam for Fine Detail Carving

  1. #1
    Join Date
    Jun 2010
    Location
    Cypress, TX
    Posts
    54

    Default Very High Density Foam for Fine Detail Carving

    Does anyone have small (approx 12" x 12" x 0.5") quantities available of some very high density precision HDU foams? Ideally something like General Plastic's FR-4625.

    I am trying to machine parts of a model that require very fine detail. I have tried 18lb HDU but its too coarse, also tried Delrin plastic but keep breaking the fine bits since the plastic is too hard.

    I am machining pieces using bits as small as 0.03". I get decent results on the delrin but I think since i am using vcarve pro 8.5 instead of more advanced CAM software the 3D finishing tool path occasionally likes to bury the bit aggressively causing them to break.

    Thank you.

  2. #2
    Join Date
    Feb 2018
    Posts
    15

    Default

    Do you still need this stuff? I've had good luck with the "precision board" made by Coastal Industries http://precisionboard.com/. They'll send out free samples for you to try, which as I recall were about a half-inch thick.

    Andrew Werby
    computersculpture.com

  3. #3
    Join Date
    Jun 2010
    Location
    Cypress, TX
    Posts
    54

    Default

    Andrew, Thank you for the reply. I am familiar with precision board and I can recommend it for general use. I was working on something that required an incredible amount of detail so I ended up using 31# Duna corafoam with good results.

  4. #4
    Join Date
    May 2014
    Location
    MA
    Posts
    375

    Default

    Quote Originally Posted by tallen84 View Post
    Andrew, Thank you for the reply. I am familiar with precision board and I can recommend it for general use. I was working on something that required an incredible amount of detail so I ended up using 31# Duna corafoam with good results.
    Is this something you could 3d print instead?

  5. #5
    Join Date
    Jun 2010
    Location
    Cypress, TX
    Posts
    54

    Default

    Some parts of it may have been better to 3D print while others were too large to reasonably do so. Since this was a personal project I could not warrant subcontracting the printing so I used the shopbot for all of it.

  6. #6
    Join Date
    Dec 2005
    Location
    Pro Signs, Coal CIty IL
    Posts
    260

    Default

    Do yo have any photos of the end results?

  7. #7
    Join Date
    Mar 2004
    Location
    Delray Beach, FL
    Posts
    3,624

    Default

    FYI Precision Board does have up to 75lb available. That is very dense.
    It is approved as core material under FRP in boats for mounting cleats through.
    Most sign guys consider the 30 lb the top they ever need to go and generally use 18.
    And also, (unless it is confidential) like to see some pics as well.

  8. #8
    Join Date
    Jun 2010
    Location
    Cypress, TX
    Posts
    54

    Default

    I have not used the precision board with that high of a density but will see if I can get a sample of it for next time. At the lower densities I tend to prefer Duna corafoam products over precision board, I find it seems finer than competitor's foams at the same density, is easier to finish smooth, less gritty, and is more easily available locally (Duna USA is somewhat nearby).

    As for the project, it is a name sign I am making to go over my daughter's bed. This one is modeled after the Disney World castle with a few tweaks (I created one previously for my son that was modeled after the Pixar Cars logo). It is currently about 90% complete, I am finishing the internal LED lighting and still needs a few finishing touches.

    IMG_0625.jpg

  9. #9
    Join Date
    Jan 2015
    Location
    Wilson, NC
    Posts
    73

    Default

    Quote Originally Posted by tallen84 View Post
    As for the project, it is a name sign I am making to go over my daughter's bed.
    I was expecting some version of a sign, featuring a name. You know, just “regular old sign” type stuff.

    THAT is not just “a name sign”! Very cool work!

  10. #10
    Join Date
    Jan 2004
    Location
    iBILD Solutions - Southern NJ
    Posts
    7,809

    Default

    Wow! Very nice! Somebody loves his little girl!

    -B
    High Definition 3D Laser Scanning Services - Advanced ShopBot CNC Training and Consultation - Vectric Custom Video Training IBILD.com

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •