Who has placed the mouth and tongue in man.

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intro tekst


waarom stap


3D printing in function of investment casting
list of products

A list of products which are promoted for investment casting

list of 3d printers used
  • Ultimaker 2 : FFF or FDM printer, fused fusion filament or fused deposition modeling
  • formlabs : stereolithography printer
  • Autocad Ember : SLA, stereolithography printer
  • 3d Systems ProJet MJP 3600 : MJP, multi jet printer --> ..,make MJP printers ideal for direct investment casting applications in jewelry, dental, medical and aerospace applications where digital workflows provide significant time, labor, quality and cost advantages. MJP wax printers also offer a digital drop-in alternative to traditional lost-wax casting processes,...
CASE A, Colorfabb natural PLA/PHA

Colorfabb promotes it's natural PLA/PHA filament as the perfect solution for the use of 3D printing for investment casting.
They published different articles about this topic on their blog.

Reasons why the filament is used

  • clean burnout, it decomposes at 600 degrees C
  • contains no additives no pigments
  • biodegradable
  • 3d prints with smooth surface and easy printing on most FDM 3d printers
  • reasonably priced.

Previous experiments with PLA showed promising results in terms of clean burnout.

Printer settings :

  • processing temp : 210
  • printed on ultimaker 2
  • with a 0.4 nozzle,
  • layer height 0.06
  • --> zip file w Gcode, cura profile and STL

Results :

  • The material is slightly translucent and a bit shiny, which I found makes it hard to judge if fine level details are well printed yes or no.
CASE B, Polymaker

For this test I'm using Polymakers Polysmooth snow white filament. Polysmooth has developed a line of filaments which can be surface treated to have a smoother finish. Nebulizer This filament is not especially announced for the use of investment casting, but since most filaments have a rather clean burnout. The Polycast filament, this time of writing, is only available on special request.

Polysmooth is a bit unclear about what their filament is made out of.

Printer settings :

  • printed on ultimaker 2
  • processing temp : 210
  • with a 0.4 nozzle,
  • layer height 0.06
  • --> zip file w Gcode, cura profile and STL
CASE C,
Surface finishes
Brons casting foundries

http://kunstgieterijvangeert.be
http://www.artcasting.be
http://www.kunstbronsgieterij-degroeve.be

ceramic shell casting vacuum casting Zandvormgietwerk

Building a melting furnace

There are so many manuals on how to built a melting furnace, I found this one an interesting starting point. https://www.elab-hackerspace.org/2016/08/26/diy-metal-melting-furnace

tools & tips to repair and clean up STL files or meshes.


blender mesh repair http://www.mcell.org/tutorials/mesh_repair.html

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