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Scheda Riassuntiva
Anno Accademico 2017/2018
Scuola Scuola di Ingegneria Industriale e dell'Informazione
Insegnamento 051135 - DIGITAL MANUFACTURING [IC]
Docente Colosimo Bianca Maria , Strano Matteo
Cfu 10.00 Tipo insegnamento Corso Integrato

Corso di Studi Codice Piano di Studio preventivamente approvato Da (compreso) A (escluso) Insegnamento
Des (Mag.)(ord. 270) - BV (1091) DESIGN & ENGINEERING - PROGETTO E INGEGNERIZZAZIONE DEL PRODOTTO INDUSTRIALE*AZZZZ099929 - ADDITIVE MANUFACTURING
Des (Mag.)(ord. 270) - BV (1160) DESIGN DEL PRODOTTO PER L'INNOVAZIONE*AZZZZ099929 - ADDITIVE MANUFACTURING
Ing Ind - Inf (Mag.)(ord. 270) - BV (479) MANAGEMENT ENGINEERING - INGEGNERIA GESTIONALE*AZZZZ097313 - ADDITIVE MANUFACTURING
Ing Ind - Inf (Mag.)(ord. 270) - BV (483) MECHANICAL ENGINEERING - INGEGNERIA MECCANICA*AZZZZ051135 - DIGITAL MANUFACTURING [IC]
097620 - ADDITIVE MANUFACTURING B
Ing Ind - Inf (Mag.)(ord. 270) - MI (473) AUTOMATION AND CONTROL ENGINEERING - INGEGNERIA DELL'AUTOMAZIONE*AZZZZ097313 - ADDITIVE MANUFACTURING
Ing Ind - Inf (Mag.)(ord. 270) - MI (486) ENGINEERING PHYSICS - INGEGNERIA FISICA*AZZZZ097313 - ADDITIVE MANUFACTURING

Programma dettagliato e risultati di apprendimento attesi

Course objectives and content

The low-volume production of parts with highly complex geometries has long been regarded as an economically unfeasible task with traditional manufacturing processes. Such belief is now changing because engineers have new options:

  • Additive Manufacturing (AM) processes, often referred to as the term of 3D Printing, allow building the parts additively, layer by layer, according to a computerised trajectory of the tool, with few geometrical constraints, if compared to conventional processes;
  • many software tools and environments (Virtual Manufacturing) are increasingly used for the simulation of manufacturing processes and systems; this accelerates the process planning phase.

This course integrates two educational modules covering these two important disciplines of modern, digital manufacturing.

Additive Manufacturing

This module will provide an introduction to the AM processes and their applications, discussing their technical and business-oriented implications for designers, engineers, “makers” and other possible users of this advanced manufacturing technology.

Virtual Manufacturing

The module aims at preparing students with the theoretical knowledge and practical skills required for an advanced use of numerical simulations with the Finite Element Method (FEM), as currently used for the design of metal forming and removal processes.

 

Main Topics

Additive Manufacturing

  • Introduction. Layer-by-layer principle. Benefits and limitation of AM. Historical development of AM technology. Generalized AM process chain. Materials and industrial applications: rapid prototyping, rapid tooling, direct digital manufacturing. Process selection, market availability and trends, business opportunities.
  • AM technology: Polymers. Description and modeling of the main AM processes for polymers. Machines, software issues, post-processing, design for.
  • AM technology: Metals. Description and modeling of the main AM processes for metals. Machines, software issues, post-processing, design for.
  • AM product verification. The need for precision metrology.Dimensional and geometrical metrology for AM: limits of tactile and optical measuring systems; volume based measuring systems: 3D X-ray computed tomography. Surface topography measurement (tactile, optical, other, analysis methods).
  • AM process monitoring. The need for precision processing. In-line monitoring for AM: process variables measurement, monitoring approaches, sensor and data fusion.

Virtual Manufacturing

  • Introduction to virtual manufacturing methods and applications; the simulation of manufacturing processes and machines
  • Analytical modeling of manufacturing processes: Fundamentals of plasticity of metals: yield criteria, hardening laws
  • FEM simulation of materials at large deformations: the finite element method, visco-plastic approach and implicit integration under stationary conditions, elastic-plastic approach with explicit time integration under transient conditions
  • FEM simulation of bulk metal forming processes: selection of elements, mesh building, contact problem, remeshing algorithms, thermal conduction, tools and dies elasticity
  • FEM simulation of material removal processes: fracture criteria, tool wear models, heat exchange problems at the tool-chip interface, contact problem
  • FEM simulation of sheet and tube forming processes: selection of elements, meshing and remeshing criteria, contact algorithms, elastic springback, fracture criteria


Organization

The course is based on a mix of lectures, discussion of case studies, testimonials from industry, in-class exercises, laboratory activities, training at the computer.
Laboratory activities will be held at AddMe.Lab of the Mechanical Engineering Department and allow students to develop hands-on knowledge on specific AM problems.
Computer simulations will be carried out in a room equipped with PCs


Note Sulla Modalità di valutazione

Additive Manufacturing

An optional team project will be possible. Grading will be based on an oral examination, which may include the discussion of the project.

Virtual Manufacturing

A mandatory team project will be assigned. Grading will be based on a brief discussion that includes the presentation of the project.


Bibliografia
Risorsa bibliografica obbligatoriaIan Gibson, David Rosen, Brent Stucker, Additive Manufacturing Technologies - 3D Printing, Rapid Prototyping, and Direct Digital Manufacturing, Editore: Springer, Anno edizione: 2015, ISBN: 9781493921133 http://link.springer.com/book/10.1007/978-1-4939-2113-3
Note:

available as ebook biblio.polimi.it

Risorsa bibliografica obbligatoriaTeacher's notes on Beep https://www11.ceda.polimi.it/schedaincarico/schedaincarico/controller/docente/Beep
Risorsa bibliografica facoltativaShiro Kobayashi, Soo-Ik Oh, Taylan Altan, Metal forming and the finite-element method

Mix Forme Didattiche
Tipo Forma Didattica Ore didattiche
lezione
56.0
esercitazione
0.0
laboratorio informatico
50.0
laboratorio sperimentale
12.0
progetto
0.0
laboratorio di progetto
0.0

Informazioni in lingua inglese a supporto dell'internazionalizzazione
Insegnamento erogato in lingua Inglese
Disponibilità di materiale didattico/slides in lingua inglese
Disponibilità di libri di testo/bibliografia in lingua inglese
Possibilità di sostenere l'esame in lingua inglese
Disponibilità di supporto didattico in lingua inglese
schedaincarico v. 1.6.1 / 1.6.1
Area Servizi ICT
23/10/2019