Material and Process Selection: Considerations for Non-Traditional Processes and Materials, Study notes of Mechanical Engineering

Download Material and Process Selection: Considerations for Non-Traditional Processes and Materials and more Study notes Mechanical Engineering in PDF only on Docsity! Material and Process Selection Non-Traditional Processes Notes ¢ Lab 2 date * Quiz 2 date and content * Homework Vacuum Chambers Geometry Loads Tensile, compressive, shear Pressure  Cyclic loading Fracture Weight Cost Manufacturability, quantity  Thermal issues Temperature Conductivity Thermal expansion Electrical issues Airframe Airframe Construction Geometry Loads Tensile, compressive, shear Pressure  Cyclic loading Fracture Weight Cost Manufacturability, quantity  Thermal issues Temperature Conductivity Thermal expansion Electrical issues Frame Details Cambridge Engineering Selector Z eo 4 E ia 48 ee B > b B B a o > E i Layouts [Shaaing we WY craphe: EE) veep aang Process schematic Pressure pad —e| Shape ished! sheet Physical attributes Mass range Range of section thickness: Tolerance Roughness acess aca7e-3 7ere-3 o.0as 1.02 1969 01563 0.126 b in n mil [x FDM Parts Stereolithography Liquid monomer is polymerized with UV laser that is scanned over surface. Part is fabricated layer-by-layer . http://www.youtube.com/watch?v=nwQ5HA8sE-k ° http://www.youtube.com/watch?v=tiYNfB9OiI9M Spinal shunt HeCd laser 4 Tunable mirror Euan Photocurable resin Selective Laser Sintering SCANMHER f SYSTEM) Lf LASER SEALED CHAMBER FABRICATION Lo POWDER BED iA) ROLLER B) N\ I I I I I POWDER : DELIVERY OBJECT BEING | SYSTEM FABRICATED =| ey ' Pom BUILD ' C¥LIMDER(C} | I KO POWDER FABRICATION ' DELIVERY PISTOH @) 1 PISTON ! I I Fig. 2. Selective laser sintering.