CSWA-AM QUESTIONS WITH CORRECT ANSWERS

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Additive Manufacturing - CORRECT ANSWER -
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The process of joining materials to create an object from a 3D model, usually adding layer over l ayer
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What 3D areas is technology for 3D printing advancing? - CORRECT ANSWER -
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Printers and printing methods, design software, and materials
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What is additive manufacturing sometimes known as? - CORRECT ANSWER -rapid prototyping
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FFF or FDM - CORRECT ANSWER -Fused Filament Fabrication or Fused Deposition Method
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What is FFF technology used for - CORRECT ANSWER -Desktop 3D printing
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What is the purpose of a slicer - CORRECT ANSWER -
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Takes a 3D modeland translates it into individual layers
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What is an STL file? - CORRECT ANSWER -
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Stereo lithography file format, commonlyused in 3D printing
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What is SLA - CORRECT ANSWER -a form of 3D printing in which a computer-
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controlled low power highly focused ultraviolet laser is used to create layers from a liquid polym er
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that hardens on contact.
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List some advantages of FFF Manufacturing - CORRECT ANSWER -
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Lower Cost, Lowers barriers to traditional subtractive manufacturing, reduce part count in an ass
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embly, numerous thermoplastic filament types and colors, remote monitoring ability, print multi ple
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filaments, customize percent infill, uses only the material amount required, no post curing pr
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, ocess, faster development cycle, quicker customer feedback, quicker produce customization and
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configuration, open source filament, parallel verticals, open source slicing engines
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List some advantages ofFFF manufacturing - CORRECT ANSWER -
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Slow build rates, may require post-
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processing, poormechanical properties, calibration required,printtime, requires aCAD model
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After printing something using an SLA 3D desktop printer what should you wash the print in? -
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CORRECT ANSWER -Isopropyl Alcohol(IPA)
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What are a few advantages of SLA manufacturing - CORRECT ANSWER - stronger
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final parts, parts are watertight and fullydense, high resolution
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what are a few disadvantages of SLA manufacturing - CORRECT ANSWER -
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higher cost, material cost, slower fabrication speed, not suitable for big parts, prints only a single
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material type, requires an isopropyl alcohol wash, ability to safely dispose the use of isopropyl a
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lcohol, requires a post-cure, sensitive to UV light exposure, may need a drain hole
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What does SLS stand for? - CORRECT ANSWER -Selective Laser Sintering
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What is the most common technology for additive manufacturing? - CORRECT ANSWER -SLS
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What is SLS? - CORRECT ANSWER -
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fusesparticles together layer by layerthrough ahigh energypulse laser. This process starts with a tank
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full of powder. As the printPcontinues the bed lowers itself for each new layer.
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What materials can be fused using SLS? - CORRECT ANSWER - both
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metal andplasticmaking them stronger and more durable
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