Deck 29: Rapid Prototyping and Additive Manufacturing

Question 1

Rapid prototyping and additive manufacturing are two terms that refer to fabrication technologies that add layers of material to an existing part or substrate:

Answer 1

True

Question 2

In the context of rapid prototyping and additive manufacturing, tessellation refers to the process of slicing the CAD model of the part into layers:

Answer 2

False

Question 3

Which one of the following rapid prototyping processes uses a photosensitive liquid polymer as the starting material:

A)droplet deposition manufacturing,
B)fused-deposition modeling,
C)laminated-object manufacturing,
D)selective laser sintering,
E)stereolithography,
F)three-dimensional printing

Answer 3

stereolithography,

Question 4

Which of the following RP technologies uses powders as the starting material (two correct answers):

A)droplet deposition manufacturing,
B)fused-deposition modeling,
C)laminated-object manufacturing,
D)selective laser sintering,
E)stereolithography,
F)three-dimensional printing

Question 5

Which of the following RP technologies uses molten material as the starting material (two correct answers):

A)droplet deposition manufacturing,
B)fused-deposition modeling,
C)laminated-object manufacturing,
D)selective laser sintering,
E)stereolithography,
F)three-dimensional printing

Question 6

Ballistic-particle manufacturing is another name for which one of the following RP technologies:

A)droplet deposition manufacturing,
B)fused-deposition modeling,
C)laminated-object manufacturing,
D)selective laser sintering,
E)stereolithography,
F)three-dimensional printing

Question 7

Which of the following are examples of appropriate applications of additive manufacturing in the actual production of parts and products (three best answers):

A)castings made in small quantities,
B)customized one-of-a-kind parts,
C)mass-produced metal parts,
D)parts with intricate and/or complex geometries,
E)plastic parts in small batch sizes,
F)special textile products

Question 8

Which of the following are problems with the current rapid prototyping and additive manufacturing technologies (three best answers):

A)inability of the designer to design the part,
B)inability to convert a solid part into layers,
C)limited material variety,
D)part accuracy,
E)part shrinkage,
F)poor machinability of the starting material