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Module 1: Additive Manufacturing Categories and Process Chain

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Additive Manufacturing Categories and Process Chain - Lesson Summary

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The key points from this module are:

Machine Intelligence enables a machine to interact with an environment in an intelligent way

In the Modern paradigms:
Machine Intelligence are beneficial to the extent that their actions can be expected to achieve our optimal objectives.

The history of Machine Intelligence dates back to 1956.

Blockchain is a fully decentralized payment system, in which copies of the ledger are shared between all participants, and a process is established by which users agree on changes to the ledger.

Advantages of Blockchain include:
Low transaction costs
Multiple verifications
Improves efficiency and Scope of Market

Additive Manufacturing, also known as 3D Printing, is the process of joining materials to make objects from 3D model data, usually layer by layer, as opposed to subtractive methodologies.

Phases of Additive Manufacturing/3D Printing are:
CAD Data
Virtual Layers
Physical Layers
3D Part

Other phrases that have been used to refer to Additive Manufacturing in its early stages include:
Rapid Prototyping Technology
The Layered Manufacturing
Solid Free Form Fabrication
3D printing

The phrase 3D Printing was first coined in 1993, by a research group at MIT.

Material choices for Additive Manufacturing include:
Metal
Polymer - Thermoplastics, Thermosets.
Others - Sands, Composites, etc.

Categories of Additive Manufacturing Technologies are:
Material Extrusion
Sheet Lamination
Binder Jetting
Vat Photopolymerization
Powder Bed Fusion
Material Jetting
Direct Energy Deposition

The sectoral spread of Metal AM Technological interventions include:
Aeronautics - Gas Turbines, UAVs, Aircraft, etc.
White Goods- Jewellery, Watches, Customized Gifts, etc.
Medicals - Surgical Guides, Implants, etc.
Oil and Gas - Impellers, Manifolds, Pumps, etc.
Electronics - Micro Sensors, RF Parts, Wave Guides, etc.

Phases of Powder Bed Fusion are:
Data Input (CAD)
Data Processing
Part Building
Post Processing

Material options for Laser Powder Bed Fusion include:
Super Alloys
Aluminium
Copper Alloy
Titanium
Refractory, etc.

Process chain of the Powder Bed Fusion
Data Preparation
Machine Setup
Build
Heat Treatment/Cut & Resurface Build Plate
Post Processing & Quality Assurance