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Rapid Prototyping

EML 2023. Rapid Prototyping. Technologies. Selective laser sintering (SLS). 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

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Rapid Prototyping

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  1. EML 2023 Rapid Prototyping

  2. Technologies

  3. Selective laser sintering (SLS) • additive technique • layer of powder placed on base • high power laser used to fuseselected parts of the powder • the powder bed is lowered asmall amount and a new layer of powder is spread • does not require any support structures

  4. Technologies

  5. Fused deposition modeling (FDM) • additive technique • material is laid down in layers • plastic material is melted ina nozzle that moves in XYdirection • typically uses ABS plastic • support material is required stratasys

  6. Technologies

  7. Stereolithography (SLA) • additive process • uses a vat of liquid UV-curableresin and a UV laser • exposure to the laser causesthe material to harden • after a pattern has been traced,the platform descends and aresin filled blade recoats the top • requires support structures

  8. Technologies

  9. Laminated object manufacturing (LOM) • sheet is adhered to substratewith a heated roller • laser traces out the outlineof the layer • non-part areas are cross-hatched to facilitate removalof waste material • next layer is pulled across and the process is repeated

  10. Technologies

  11. Electron beam melting (EBM) • 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

  12. Technologies

  13. 3D printing (3DP) • “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

  14. Technologies

  15. UF machines - FDM • Dimension Uprint (Soluble Support Technology) Building MAE-B

  16. UF Rapid Prototyping Machines sodium hydroxide & water tank 101012” build volume 868” build volume

  17. 2nd UF machine - FDM

  18. Fabrication

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