18 Questions
What is material extrusion defined as?
An additive manufacturing process in which material is selectively dispensed through a nozzle or orifice
What is one of the advantages of material extrusion?
Low cost
What is the term for the thickness of the material being extruded in the material extrusion process?
Layer thickness
Which of the following is NOT a parameter in the material extrusion process?
Material density
What is one of the limitations of material extrusion?
Surface finish and accuracy
Which of the following applications is NOT a common use of material extrusion?
Textile manufacturing
What is the process invented by Scott Crump in 1988?
Material Extrusion
In what year was the patent granted to Scott Crump for material extrusion?
June 9, 1992
What is the primary application of Fused deposition modelling (FDM)?
Building polymer components
What is the name of the process that has the largest installed base of additive manufacturing machines in the world?
Material Extrusion
What are the other names for Fused deposition modelling (FDM)?
Fused Filament Fabrication (FFF) and Material Jetting
What is the significance of the year 1988 in the context of material extrusion?
The year when Scott Crump invented the material extrusion process
What is a limitation of material properties in parts built using Material Extrusion compared to conventional and LPBF techniques?
Lower yield strength, ultimate strength, and elongation
What is the primary function of the 'eForge' system developed by Electronic Alchemy?
Building functional electronic components
How many independently controlled extruders are used in the 'eForge' system?
Eight
What is the build volume of the 'eForge' system?
10.75″ x 7.85″ x 11.8″
What type of sensors can be manufactured using the 'eForge' system?
Various sensors, including pressure, vibration, optical, and temperature sensors
What is an advantage of the 'eForge' system for astronauts?
It allows astronauts to create items on-demand, including mission-critical devices and components
Test your understanding of the Material Extrusion process, a type of additive manufacturing that uses a nozzle or orifice to selectively dispense material. This process was first introduced in 1991 by Stratasys Inc. and is widely used in 3D printing technology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
