Fundamentals of Manufacturing Processes

Closed
Cours
en
Anglais
56 h
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  • Sur www.edx.org
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  • 14 séquences
  • Niveau Intermédiaire
  • Débute le 16 mai 2022
  • Clôture le 15 août 2022

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Détails du cours

Déroulé

Week 1: Introduction and Process Planning
An introduction to the scope and significance of manufacturing worldwide, followed by an overview of the structure of 2.008x and highlights of key topics. Then, a framework is presented for planning manufacturing processes, and for evaluating process performance based on four key attributes.

Week 2: Machining
This module describes machining, the most common process of material removal. Chapters address the mechanics of material deformation, estimates of material removal rate and cutting forces, practical aspects of turning and milling operations, and methods of machining advanced materials and complex parts.

Week 3: Injection Molding
Injection molding is the most widely used plastics manufacturing process. Chapters of this module describe the process physics, rate-limiting steps, process parameters, thermoplastic materials, mold tooling design, and guidelines for defect prevention. Examples include molding of toy bricks, cups, and plastic furniture.

Week 4: Thermoforming and Sheet Metal Forming
These modules address sheet forming of plastics and metals. Chapters describe the materials and process considerations, rate- and geometry-limiting aspects including springback and tearing, and explain various uses including manufacturing of plastic packaging and aluminum beverage cans. A supplement to the thermoforming module introduces other polymer forming processes including those for plastic bottles, bags, and large containers.

Week 5: Casting
This module introduces casting, whereby a metal part is made by solidification within a mold. Modules describe sand casting, die casting, and investment casting processes; rate-limiting steps and factors governing part microstructure, quality, and cost are also analyzed.

Week 6: Additive Manufacturing
We first introduce the spectrum of additive manufacturing (AM) technologies, its key applications, and reasons for its rapid growth and significance. Next, we focus in-depth on the three most prevalent AM processes: extrusion of polymers and composites (i.e., FFF/FDM), photopolymerization (i.e., stereolithography or SLA), and selective laser melting (SLM) of metals.

Week 7: Quality and Variation
This module explains basic statistical methods for analyzing, monitoring, and controlling process variation, including the use of control charts. The critical differences between variation, tolerances, and quality are explained; and principles of precision metrology are introduced.

Week 8: Manufacturing System
We will introduce probability theory and queuing theory, give analytical examples of simple manufacturing systems through the lens of critical concepts such as production rate, capacity, buffers, and offer simulations representative to the current state of the industry and case study examples.

Week 9: Manufacturing Cost
Understanding the cost of manufacturing a part or product, and its relationship to the process details and production volume, is essential to effective scale-up. This module presents a methodology for estimating manufacturing cost, and examples discuss the cost of making toy bricks, window glass, and smartphones.

Week 10: Sustainability and Robotics
First, we discuss the implications of the energy consumption of manufacturing, and of the product life cycle life cycle. Second, the robotics module introduces several types of robots used in manufacturing, compares their performance, and illustrates how robotics can improve production efficiency and quality.

Week 11: Electronics
This module will explain the process physics of microelectronics fabrication, and PCB manufacturing. We will explain techniques for assembling electronic components on to PCBs and discuss Cost, Rate, Quality, and Flexibility of different assembly techniques.

Week 12: The Future of Manufacturing and Conclusion
To conclude, this module provides a brief summary of 2.008x, highlights important emerging manufacturing technologies, and presents the perspectives of instructors and guests on the exciting future of manufacturing.

Prérequis

  • secondary school (high school) math and physics
  • Calculus I
  • knowledge or willingness to simultaneously study basic principles of mechanics of material, fluid mechanics, thermodynamics, and heat transfer

Intervenants

A. John Hart
Associate Professor of Mechanical Engineering
Massachusetts Institute of Technology

John Liu
Lecturer, Department of Mechanical Engineering
Massachusetts Institute of Technology

David Dow
Technical Instructor
Massachusetts Institute of Technology

Sanjay Sarma
Vice President for Open Learning
Massachusetts Institute of Technology

Timothy Gutowski
Professor of Mechanical Engineering
Massachusetts Institute of Technology

Emily Welsh
Educational Technologist
Massachusetts Institute of Technology

Éditeur

Le Massachusetts Institute of Technology (MIT), en français Institut de technologie du Massachusetts, est un institut de recherche américain et une université, spécialisé dans les domaines de la science et de la technologie. Situé à Cambridge, dans l'État du Massachusetts, à proximité immédiate de Boston, au nord-est des États-Unis, le MIT est souvent considéré comme une des meilleures universités mondiales.

Il édite la Technology Review, une revue scientifique consacrée aux sciences de l'ingénieur et à l'innovation.

Plateforme

EdX est une plateforme d'apprentissage en ligne (dite FLOT ou MOOC). Elle héberge et met gratuitement à disposition des cours en ligne de niveau universitaire à travers le monde entier. Elle mène également des recherches sur l'apprentissage en ligne et la façon dont les utilisateurs utilisent celle-ci. Elle est à but non lucratif et la plateforme utilise un logiciel open source.

EdX a été fondée par le Massachusetts Institute of Technology et par l'université Harvard en mai 2012. En 2014, environ 50 écoles, associations et organisations internationales offrent ou projettent d'offrir des cours sur EdX. En juillet 2014, elle avait plus de 2,5 millions d'utilisateurs suivant plus de 200 cours en ligne.

Les deux universités américaines qui financent la plateforme ont investi 60 millions USD dans son développement. La plateforme France Université Numérique utilise la technologie openedX, supportée par Google.

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