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Rapid-Prototyping.ppt

  1. EML 2023
  2. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 2
  3.  additive technique  layer of powder placed on base  high power laser used to fuse selected parts of the powder  the powder bed is lowered a small amount and a new layer of powder is spread  does not require any support structures 3
  4. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 4
  5.  additive technique  material is laid down in layers  plastic material is melted in a nozzle that moves in XY direction  typically uses ABS plastic  support material is required stratasys 5
  6. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 6
  7.  additive process  uses a vat of liquid UV-curable resin and a UV laser  exposure to the laser causes the material to harden  after a pattern has been traced, the platform descends and a resin filled blade recoats the top  requires support structures 7
  8. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 8
  9.  sheet is adhered to substrate with a heated roller  laser traces out the outline of the layer  non-part areas are cross- hatched to facilitate removal of waste material  next layer is pulled across and the process is repeated 9
  10. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 10
  11.  metal parts are made from a metal powder  a layer of powder is spread and the part region is melted together by a computer controlled electron beam 11
  12. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 12
  13.  “inkjet” type process  a fine powder of plaster or corn starch is bonded by “printing” an adhesive from the printhead  considered the fastest technique zcorp 13
  14. Prototyping Technologies Base Materials Selective laser sintering (SLS) Thermoplastics, metal powders Fused deposition modeling (FDM) Thermoplastics, eutectic metals Stereolithography (SLA) Photopolymer Laminated object manufacturing (LOM) Paper Electron beam melting (EBM) Titanium alloys 3D printing (3DP) Various Materials 14
  15.  Dimension Uprint (Soluble SupportTechnology) Building MAE-B 17
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  17. 868” build volume 19
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