Flashcards
Lecture 1
Flashcards do conjunto (24)
- 1What does the process of AM of components look like?1) Customer needs
2) (Design&) applied engineering
3) Industrial operation
4) High-performance part - 2How did the way of production develop?1) Late 18th: craftmanship production
2) Early 20th: mass production
3) Early 70s: serial mass production
4) Today: localization, individualized production - 3How did the industry develop?-1.0: water & steam (first power loom)
-2.0: electrification in the age of oil (first assembly line)
-3.0: electronics & IT for automation (first programmable logic controller)
-4.0: digitalization of production (cyber-physical systems) - 4What does automation and optimization of entire factories & process chains through networking lead to?-Individualized mass production
-Cyber-physical systems
-New value chains
-New manufacturing techniques and new design possibilities with 3D-printing - 5What are cyber-physical systems?Modular & flexible production units with complete & consistent virtual copy
-> raw materials and machines are interconnected, production processes operate autonomously - 6What is the component of digital factories with the highest usage?Connected sensors
(Then: 3D-printing - VR/AR - AI - Humanoid robots - Drones) - 7What are the advantages of AM?-Complex geometries
-Short setup times
-New materials
-Mass customization
-Digital parts inventory
-Distributed manufacturing
-Weight reduction & resource efficiency
-On-demand manufacturing - 8Name different AM technologies! (Page 29/30) Which ones are the main technologies for polymers or metals?-Material extrusion
-Material jetting (Polymers)
-Binder jetting
-Vat photopolymerization
-Sheet lamination
-Powder bed fusion (Metals)
-Directed energy deposition (Metals) - 9Which materials can be produced with most of the AM technologies? Which ones can only be produced with one or two? (Page 27)Many: polymeres, composites
Few: paper, hybrid metals - 10With which AM technologies can most of the materials be produced? Which ones can only produce few materials? (Page 27)Many: binder jetting, powder bed fusion
Few: directed energy deposition, material extrusion, material jetting - 11What are the production steps in 3D-printing?1) Digital design of 3D model (e.g. CAD)
2) Preparation of construction process: 3D model -> 3D printing format (e.g. STL file), preparation of 3D file & printer
3) Construction process: physical construction, removal (possible cooling or hardening)
4) Possible post-processing: removal of support material, surface treatment
5) Use of printed object - 12Name three technologies of additive manufacturing with polymers!-Fused Depositing Modeling (FDM)
-Stereolithography (SLA)
-Polyjet (mixture of FDM & SLA) - 13What are the most relevant metal AM technologies?-Powder bed fusion (ca. 80-90%) - selective laser melting (80-85%), electron beam melting (15-20%)
-Directed energy deposition (ca. 10-15%) - 14In which fields is Laser Metal Depositing (LMD) applied?(Welding with powder nozzle)
-Energy
-Space
-Oil & gas
-Machine tools - 15In which fields is Selective Laser Melting (SLM) applied?(Welding in the powder bed)
-Medical technology
-Dental applications
-Machine building - 16What should metal powders have for AM?-Spherical shape -> good flow & coating ability
-Particle size between 50 and 150µm
-Particle size distribution tailored to application & properties
-Controlled chemical composition
-Controlled gas content - 17Which inputs are necessary for producing AM metal powder?Feed metals (powder, ingots), slag formers, inert gas, vacuum
- 18Which worldwide suppliers of AM printers focus on powder bed fusion?-eos: medical, aerospace & industrial applications
-Arcam AB: orthopedic implant & aerospace industries, worldwide patent for EBM technology
-CONCEPTLASER: medicine & dental technology, aerospace industry, machine-tool, mold-making, automotive industries, patented process - 19Which worldwide suppliers of AM printers focus on directed energy deposition?-DMG MORI: powder bed & powder nozzle
-SCIAKY INC.: electron beam welding & electron beam AM solutions
-TRUMPF: Laser Metal Fusion (LMF) & Laser Metal Deposition (LMD) - 20Which industries use AM (in 2017; descending order)?-General industry: 18.8%
-Aerospace: 18.2%
-Automotive: 14.8%
-Consumer: 12.8%
-Healthcare: 11.0%
-Others: 24.4% - 21What does the AM situation look like for Oerlikon today?Strong materials foundation (currently 18 AM qualified alloy powders, 5 launching) provides excellent base for AM service offering (training/application engineering, prototyping, series production)
- 22What are the elements and services of Oerlikon's AM business model?-Powder producer
-Powder distributor
-Software developer
-Equipment provider
-AM service center
-Post-processing technologies - 23What does Oerlikon's AM business model enable?End-to-end application engineering: material design & powder producer, design optimization, additive fabrication, post-processing
- 24What are the goals of Oerlikon's AM Innovation & Technology Centre?-Define future & push boundaries of AM technologies
-Leading research hub for academic & industrial partnerships
-Complete end-to-end value chain expertise
Informações
- Descrição
- Industry Technologies (Oerlikon) FlashCards sobre Lecture 1, criado por Timo Bierwirth em 05-02-2019.
- Criado por
- Timo Bierwirth
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