EML 2023 Rapid Prototyping Technologies Prototyping Technologies Base

EML 2023 Rapid Prototyping

Technologies 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 3 D printing (3 DP) Various Materials 2

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

Technologies 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 3 D printing (3 DP) Various Materials 4

Fused deposition modeling (FDM) 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

Technologies 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 3 D printing (3 DP) Various Materials 6

Stereolithography (SLA) 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

Technologies 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 3 D printing (3 DP) Various Materials 8

Laminated object manufacturing (LOM) sheet is adhered to substrate with a heated roller laser traces out the outline of the layer non-part areas are crosshatched to facilitate removal of waste material next layer is pulled across and the process is repeated 9

Technologies 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 3 D printing (3 DP) Various Materials 10

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 11

Technologies 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 3 D printing (3 DP) Various Materials 12

3 D printing (3 DP) “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

Technologies 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 3 D printing (3 DP) Various Materials 14