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3D Printing and Design for Educators

By Dr. Sharad K. Pradhan   |   National Institute of Technical Teachers Training and Research, Bhopal
Learners enrolled: 6975

AICTE and NEP 2020 recommends inclusion of emerging technology area courses into the existing Diploma, UG and PG engineering programs. The incorporation of ‘3D Printing and Design’ as Professional elective course or Value added course in the existing curriculum would rightly empower the engineering scholars to be ready inline with IR4.0 skill requirements.

As 3D Printing is an emerging technology and many technical education institutes have taken initiatives to include it in their curriculum. Hence, Curriculum document, Underpinning knowledge, Instructional methods and Assessment tools are now required by the teachers to teach this course effectively at Diploma, UG and PG level engineering programs.

 

Additive manufacturing (AM) or Additive layer manufacturing (ALM) is the industrial production name for 3D Printing. 3D Printing is a process that makes solid objects from a digital model. It involves depositing material either metal, plastic, ceramic etc. in solid/liquid/powder form in thin 2D layers to get a 3D object. This course on ‘3D Printing and Design for Educators’ attempts to develop understanding of the process of making real object from corresponding digital model using various 3D printing processes and materials. It covers the software and hardware required, various materials used for 3D Printing and details about printing process parameters. It also covers the post processing required to make a quality 3D printed component.

 

On one side this Swayam MOOC throws light on various 3D Printing processes to print real objects from corresponding 3D digital models. While on the other side this course provides a platform for all the teachers of technical educational institutes to develop teaching and assessment skills required in offering a course on 3D Printing and Design to the students of different engineering programs.

 

This 3 credit ‘3D Printing and Design for Educators, course comprises of 7 units to provide you an exposure to various 3D Printing processes and related aspects through several video lectures, video demonstrations, text content, discussion forum, assignments, and self-assessment tools. Being practical oriented course, number of demonstration videos of actual operations is included in the course material to give more incite related to working, operations, and selection of various 3D printing.

 

We welcome you to register for this MOOC on the SWAYAM platform. Looking forward for a healthy interaction during the whole course.

Summary
Course Status : Completed
Course Type : Not Applicable
Language for course content : English
Duration : 8 weeks
Category :
  • Teacher Education
Credit Points : 3
Level : Continuing Education
Start Date : 15 Jul 2024
End Date : 31 Oct 2024
Enrollment Ends : 31 Aug 2024
Exam Date : 07 Dec 2024 IST
Exam Shift :

Shift-2

Note: This exam date is subject to change based on seat availability. You can check final exam date on your hall ticket.


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Course layout

Unit-1: Additive Manufacturing Introduction and CAD

Additive v/s Conventional Manufacturing processes-Overview of 3D printing processes, Computer Aided Design and  file formats-Process chain for 3D Printing-Reverse Engineering for 3D Printing.

 

Unit-2: Data Preparation for 3D Printing

3D Printing interfaces, STL interface Specification, Creating STL file, Repair of STL files, STL data Manipulation-Advantages and limitations of STL file format. 

Part orientation and support generation-Model Slicing and Contour Data organization, Direct and adaptive slicing: Identification of peak features-Tool Path generation.

 

Unit-3: 3D Printers and Software

3D printers, Accuracy, Precision and Tolerance in 3D printing-3D Printer software- Fusion 360, Solidworks, Onshape, Tinkercad, UltimakerCura, MeshLab, Simplify 3D, Repetier host, Slic3r, etc. – use and operation of anyone.

 

Unit-4: 3D Printing Materials
Various forms of 3D printing raw material- Liquid, Solid, Wire, Powder-i.      Popular FDM, SLA, SLS, Binder Jetting, Material Jetting and Direct Energy deposition 3D printing materials-Polymers, Metals, Non- Metals, Ceramics-Polymers and their properties-Powder Preparation and their desired properties.

Unit-5: Solid based 3D Printing Processes
Basic principle of Solid based 3D printing processes; Constructional details, Basic Principle and working of fused deposition modeling (FDM)  process; Post Processing of FDM and other Solid based 3D Printed components. Troubleshooting Common Issues, Applications of FDM, DED and SL; Advanced Concepts and Future Trends.

Unit-6: Liquid based 3D Printing Processes
Basic principle of Liquid based 3D printing processes; Photo Polymerization-Principle and working of stereo lithography apparatus-SLA based 3D printing processes-Curing processes; Applications; Post Processing; Advanced Concepts and Future Trends..

Unit-7: Powder based 3D Printing Processes

Powder fusion mechanism-Principle and working of Selective Laser Sintering (SLS) process-SLS based 3D printers-Laser Engineering Net Shaping process-Electron Beam Melting-Binder Jet 3D Printing; Applications; Post Processing; Advanced Concepts and Future Trends.

Books and references

S.

No.

Titles

Author(s)

Publisher and Edition with ISBN

1.

Understanding Additive

Manufacturing: Rapid Prototyping, Rapid Tooling, Rapid Manufacturing

Andreas Gebhardt,

Hanser Publisher, 2011

ISBN: 156990507X, 9781569905074

2.

3D Printing and Design

SabrieSoloman

Khanna Publishing House, Delhi ISBN: 9789386173768

3.

3D Printing and Rapid Prototyping- Principles and Applications

C.K. Chua, Kah Fai Leong

World Scientific, 2017

ISBN: 9789813146754

4.

Getting Started with 3D Printing: A Hands-on Guide to the Hardware, Software, and Services Behind the New

Manufacturing Revolution

Liza Wallach Kloski, Nick Kloski

Make Community, LLC; 2nd edition, 2021

ISBN: 9781680450200


Instructor bio

Dr. Sharad K. Pradhan

National Institute of Technical Teachers Training and Research, Bhopal

Dr. Sharad K. Pradhan did his Ph.D from Mechanical Engineering Department, Indian Institute of Technology (IIT), Delhi, India and before joining NITTTR Bhopal he was a Scientist in ‘Design & Simulation Group’ at ‘Central Mechanical Engineering Research Institute’ (CMERI), Durgapur, (WB), India. After serving this research lab for 4 years he joined NITTTR, Bhopal as a Reader in 2003 and became Professor Mechanical Engineering in 2014. He has coordinated and organized more than 300 short term courses and workshops for Technical
teachers of Polytechnic and Engineering colleges of our country in ‘Content based areas’ like Industry 4.0, Finite Element Methods, Computer Aided Design and Analysis, Computer Aided Manufacturing, Applied Mechanics, Engineering Graphics and ‘Technical Education based areas’ like, Outcome based Education, Rubrics, Accreditation, Outcome based Curriculum, Basic and Advanced Teaching Methods, Student Evaluation and Assessment, Modern Lab Practices, etc. He is a member of NBA Evaluation Team for Accreditation of Mechanical Engineering UG Programs. He has developed Outcome Based Curriculum for four states of the country for Diploma and Post diploma in Mechanical Engineering and allied disciplines. He has developed many Modules, Handouts, Exercise books, Presentations and Videos on different topics related to Mechanical Engineering, Technical Education (NITTT-AICTE MOOCs) and Accreditation for UG/PG programs (SWAYAM-MOOCs). His research contributions include, Finite element model updating, Structural dynamic design, Optimization of machining parameters, Simulation of Manufacturing Processes, Robotics and Additive Manufacturing. He has a number of published papers to his credit, one book on Engineering Graphics with two upcoming books on ‘Finite Element Method’ and ‘Production Technology’. He has published four patents and is a consistent learner and is motivated to contribute to the world of knowledge.

Course certificate

"The SWAYAM Course Enrolment and learning is free. However, to obtain a certificate, the learner must register and take the proctored exam in person at one of the designated exam centres. The registration URL will be announced by NTA once the registration form becomes available. To receive the certification, you need to complete the online registration form and pay the examination fee. Additional details, including any updates, will be provided upon the publication of the exam registration form. For more information about the exam locations and the terms associated with completing the form, please refer to the form itself."

 

Grading Policy:

 

- Internal Assignment Score: This accounts for 30% of the final grade and is calculated based on the average of the best three assignments out of all the assignments given in the course.

- Final Proctored Exam Score: This makes up 70% of the final grade and is derived from the proctored exam score out of 100.

- Final Score: The final score is the sum of the average assignment score and the exam score.

 

Eligibility for Certification:

 

- To qualify for a certificate, you must achieve an average assignment score of at least 10 out of 30, and an exam score of at least 30 out of 70. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >=40/100.

Certificate Details:

 

- The certificate will include your name, photograph, roll number, and the percentage score from the final exam. It will also feature the logos of the Ministry of Education, SWAYAM, and NITTTR.

- Certificate Format: Only electronic certificates (e-certificates) will be issued; hard copies will not be dispatched.

 

Once again, thanks for your interest in our online courses and certification. Happy Learning.

 

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