The students will be able to

	Develop CAD models for 3D printing.
	Import and Export CAD data and generate .stl file.
	Select a specific material for the given application.
	Select a 3D printing process for an application.
	Produce a product using 3D Printing or Additive Manufacturing (AM).

PRE-REQUISITES 
Computer Aided Design & Drafting Engineering Materials                                                               TOTAL: 30 HOURS

DETAIL CONTENTS

1.3D Printing (Additive Manufacturing) (6 Hours)

• Introduction, Process, Classifications, Advantages, Additive v/s Conventional Manufacturing processes, Applications.

2. CAD for Additive Manufacturing (4 Hours)

• CAD Data formats, Data translation, Data loss, STL format.

3.Additive Manufacturing Techniques (10 Hours)

• Stereo- Lithography, LOM, FDM, SLS, SLM, Binder Jet technology.
• Process, Process parameter, Process Selection for various applications.
• Additive Manufacturing Application Domains: Aerospace, Electronics, Health Care, Defence, Automotive, Construction, Food Processing, Machine Tools

 4. Materials (4 Hours)

• Polymers, Metals, Non-Metals, Ceramics Process, Process parameter, Process Selection for various applications.
• Various forms of raw material- Liquid, Solid, Wire, Powder; Powder Preparation and their desired properties, Polymers and their properties.
• Support Materials

5. Additive Manufacturing Equipment (4 Hours)

• Process Equipment- Design and process parameters
• Governing Bonding Mechanism
• Common faults and troubleshooting
• Process Design

Support Removal, Sanding, Acetone treatment, polishing,

7. Product Quality    (1 Hour)

• Inspection and testing
• Defects and their causes

LIST OFPRACTICALS

• 3D Modelling of a single component.
• Assembly of CAD modelled Components
• Exercise on CAD Data Exchange.
• Generation of .stl files.
• Identification of a product for Additive Manufacturing and its process plan.
• Printing of identified product on an available AM machine.
• Post processing of additively manufactured product.
• Inspection and defect analysis of the additively manufactured product.
• Comparison of Additively manufactured product with conventional manufactured counterpart.

LIST OF SUGGESTED BOOKS

• Lan Gibson, David W. Rosen and Brent Stucker, “Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing”, Springer, 2010.
• Andreas Gebhardt, “Understanding Additive Manufacturing: Rapid Prototyping, Rapid Tooling, Rapid Manufacturing”, Hanser Publisher, 2011.
• Khanna Editorial, “3D Printing and Design”, Khanna Publishing House, Delhi.
• CK Chua, Kah Fai Leong, “3D Printing and Rapid Prototyping- Principles and Applications”, World Scientific, 2017.
• J.D. Majumdar and I. Manna, “Laser-Assisted Fabrication of Materials”, Springer Series in Material Science, 2013.
• L. Lu, J. Fuh and Y.S. Wong, “Laser-Induced Materials and Processes for Rapid Prototyping”, Kulwer Academic Press, 2001.
• Zhiqiang Fan And Frank Liou, “Numerical Modelling of the Additive Manufacturing (AM) Processes of Titanium Alloy”, InTech, 2012