Manufacturing Topic III Rapid prototyping
Manufacturing Topic III Rapid prototyping
Rapid Prototyping Techniques RPT allows designers to quickly generate 3D models or prototypes of parts in cheap materials. Benefits of RP: >Design improved >Potential machining problems identified
Rapid Prototyping Techniques RPT allows designers to quickly generate 3D models or prototypes of parts in cheap materials. Benefits of RP: Design improved Potential machining problems identified
>5.1 Laminated Object Manufacturing >5.2 Stereolithography >5.3 Other Rapid Modeling Techniques
5.1 Laminated Object Manufacturing 5.2 Stereolithography 5.3 Other Rapid Modeling Techniques
Laminated Object Manufacturing Creating a 3D model >Developed by Helisys in 1991 >Work 24 hours a day > Using inexpensive solid sheet material,such as ▣Paper ▣Plastic ▣Composites 口 The models (molds)can be used as direct tools for □Injection molding ▣Sand casting
Laminated Object Manufacturing Creating a 3D model Developed by Helisys in 1991 Work 24 hours a day Using inexpensive solid sheet material, such as Paper Plastic Composites … The models (molds) can be used as direct tools for Injection molding Sand casting …
The laminated object manufacturing process > Program CAD data into the LOM's X-Y positioning Laser device Layer outline process controller. and crosshatch Laser beam Generate a cross-sectional slice Laminating roller > A laser cuts the outline of the cross section and cross-hatches the excess Part block material for later removal Sheet Platform material Bond a new layer of material to the top of the previously cut layer Take-up roll The new cross section is prepared and cut Material supply roll Figure 22-17.The Laminated Object Manufacturing process
The laminated object manufacturing process Program CAD data into the LOM’s process controller. Generate a cross-sectional slice A laser cuts the outline of the cross section and cross-hatches the excess material for later removal Bond a new layer of material to the top of the previously cut layer The new cross section is prepared and cut