MEC 431 Lecture Notes - Lecture 5: Geometric Modeling, Stratasys, Makerbot

• School: Ryerson University
• Department: Mechanical Engineering
• Course: MEC 431
• Professor: N/ A

Document Summary

Video: makerbot* rapid prototyping to fix kitchen lamp. Slicing of the model (a) conversion of a solid model of an object into layers (b) only one layer is shown. 22 layer by layer. model, into a stack of layers: anr/pmodelismadebythemachine(cid:498)forming(cid:499) each layer of the model, therefore,thecadmodel,isconvertedintoa triangulated mesh surface model. 23 modelling the surface of the part with numerous tiny triangles: although r/p processes differ greatly, the following procedure is, cadmodel asolidmodelofthe component, translator thesolidmodelisconvertedtoa (cid:498)stl(cid:499) file, essentially, supports overhanging layers require supports. Slicing thetriangulatedsurfaceisslicedby the computer into a series: build ther/pmachinebuildsthemodel, layer by layer, partcleaning thepartisremovedfromthe machine, and supports are, postcure the(cid:498)green(cid:499)partisfurther hardened in an oven or uv light of horizontal slices. Basic r/p process generally used: cut or cleaned off. booth. Layer forming methods lasers: printing heads that operate using ink-jet technology, extruder heads, other processes: electron beams cutting knives.