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AICTE Sponsored Short Term Training Programme (STTP) on ‘Advanced
Manufacturing Techniques for Medical and Precision
Engineering, Phase-II'.
Date of the Event 8th February 2021 to 13th February 2021
Title of the Event STTP on Advanced Manufacturing Techniques for Medical and
Precision Engineering, Phase-II
Number of Sessions 12
Resource Speakers 5 people from Industry
• Dr. K Niranjan Reddy, Scientist E, Precision Metrology,
CMTI, Bangalore
• Mr. BS Raghunandan, Technical Manager, Quest Global
Services, Bangalore
• Dr. Dheepa Srinivasan, Chief Scientist, Pratt &Whitney,
IISc Campus, Bangalore
• Dr. Ram Prabhu, Deputy Director / Scientist, CEMILAC,
DRDO, Bangalore
• Mr. Vinod Chaudhari, Technology Director, Dheya
Engineering & Technologies, Former Technical Leader,
GE Aviation Bangalore
7 people from Academia
• Dr. Ram Kumar J, Professor, Dept. of ME, IIT Kanpur
• Dr. Satish V Kailas, Professor, Dept. of ME, IISc
Bangalore
• Dr. Dinesh Singh Thakur, Head - ME Department, DIAT
(Defence Institute of Advanced Technology), DRDO,
Pune
• Dr. R Elansezhian, Professor and Placement Officer,
Dept. of ME, Puducherry Technological University,
Puducherry
• Dr. Mamilla Ravishankar, Associate Professor, Dept. of
ME, IIT - Tirupati
• Dr. Sunil Shankar Waddar, Associate Professor,
Short Term Training Programme (STTP)
from Department of Mechanical
Engineering
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Mechanical Dept., MVJ College of Engineering,
Bangalore • Dr. Afzaal Ahmed, Assistant Professor, IIT - Palakad
Organized by Department of Mechanical Engineering, MVJCE
Material selection and manufacturing processes are playing a critical role in today’s competitive
and sophisticated precision medical manufacturing industry. There have been substantial
advancements in research and development of polymers, ceramics, semiconducting materials and
composites, as functional materials in the field of structural, biomedical, sensor and energy
applications. Similar advancements are taking place in the manufacturing processes, viz micro
EDM, ECM and 3D printing.
Keeping this in mind, the Department of Mechanical Engineering, MVJCE, organized a six-day
Short Term Training Programme (STTP) on ‘Advanced Manufacturing Techniques for Medical
and Precision Engineering, Phase-II', from 8th February 2021 to 13th February 2021 (10.30 AM
to 12.30 PM and 2.00 PM to 4.00 PM). The STTP was designed to provide insights into state-of-
the-art recent trends and advancements in Precision manufacturing techniques, developments in
medical industry, advanced manufacturing techniques using digital data exchange and
opportunities for Research and Development. On an average, 45 participants (20 from MVJCE
and 25 from outside) benefited from this Short Term Training Programme.
This STTP was sponsored by All India Council for Technical Education (AICTE), in association
with Institution of Innovation Council (IIC).
The sessions were conducted in virtual mode, i.e. online (Webex Platform) due to the Covid
situation prevailing across the world.
Eminent scholars from premier academic institutes were invited to deliberate on the research in
precision manufacturing techniques for medical industry, micro machining and nano finishing
techniques, digital manufacturing using data exchange.
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Day 1: 8th February, 2021 (Monday)
Dr. Sunil Shankar Waddar, Associate Professor, Mechanical Engineering Department, welcomed
all participants to the STTP and requested the Head of the Mechanical Department to deliver the
Welcome Address.
Dr. Vivkekanand Huddar, HoD of Mechanical Engineering Department and Convenor of the
STTP welcomed the Guests of Honour, Speakers and all the participants to the STTP program.
Dr. P. Mahabaleswarappa, Principal, MVJ College of Engineering, underlined the relevance of
this STTP in the current scenario of the industry. The importance of advanced manufacturing in
precision and medical industry was also elaborated.
Dr. Mamilla Ravishankar, Associate Professor, Dept. of ME, IIT - Tirupati was the Chief Guest
and he gave the keynote address. He highlighted the importance of micro manufacturing and
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nano finishing in the bio-medical, automobile and nuclear industries. Certainly, Advanced
manufacturing is going to play a stellar role in the GDP of the country, in the coming years.
Day 1: 8th February, 2021 (Monday)
The first session on Day1 was on the topic ’Smart Abrasive flow nano finishing of bio medical
implants’ by Dr. Mamilla Ravishankar. Dr. G Anand, Associate Professor in the Mechanical
Engineering Department, MVJCE, introduced the Resource Person to the participants.
Micro machining applications in biomedical, nuclear, micro fluidic channels for MEMS
applications were discussed. Laser micromachining for automobiles and micro nano coatings
were also analyzed in detail.
Day 1 Session 1 : Smart Abrasive flow nano finishing of bio medical implants
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Questions from participants were taken at the end of the session. Dr. Sunil Shankar Waddar,
Associate Professor from Mechanical Engineering Department proposed the vote of thanks to the
Resource Person on behalf of MVJ College Management and the organizing committee. The
session concluded with Feedback from the participants.
The second session on the first day was handled by Dr. Satish V Kailas, Professor, Dept. of ME,
IISc – Bangalore, speaking on ‘Joining of metals using friction stir welding’.
Dr. Sunil Shankar Waddar welcomed all participants for the first day, 2nd session of STTP and
resource speaker was introduced to the participants.
The importance of joining metals without soldering materials was highlighted. Friction stir
welding provides an opportunity to join the metals without producing harmful gases and causing
environmental pollution. This method of welding for joining of Copper was demonstrated.
Microstructure evaluation of Aluminium alloys explained in detail.
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Questions from participants were addressed by the Speaker, at the end of the session. Dr. Sunil
Shankar Waddar proposed the vote of thanks to the Resource Person, on behalf of MVJ College
Management and the organizing committee. The session concluded with Feedback from the
participants.
Day 1 Session 2 : Joining of Metals by Friction stir Welding
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Day 2: 9th February, 2021 (Tuesday)
The first session on Day 2 was on the topic ‘Intelligent Manufacturing’, by Dr. R Elansezhian,
Professor and Placement Officer, Dept. of ME, Puducherry Technological University,
Puducherry.
Dr. Sunil Shankar Waddar welcomed all the participants for the third day of the STTP and Dr. G
Anand, Associate Professor, welcomed and introduced the Resource Speaker to the participants.
Day 2 Session 1 : Intelligent Manufacturing
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The differences between LEAN and Agile Manufacturing were explained by Dr. R Elansezhian.
He elaborated on the need for and advantages of Intelligent manufacturing in the current scenario
of industry revolution. The differences between smart and intelligent manufacturing were
focused on, with examples. It may take another 10 years to completely shift to the intelligent
manufacturing paradigm at all levels, globally, and realize the benefits in doing so.
Manufacturing organizations that fail to implement these revolutionary technologies may soon
be out of business and will be highly vulnerable to competition.
The Speaker took Questions from the participants, at the end of the session. Dr. Santhosh N,
Associate Professor from Mechanical Engineering Department proposed the vote of thanks to the
Speaker, on behalf of MVJ College Management and the organizing committee. The session
concluded with Feedback from the participants.
The second session on the second day was on ‘Advanced Coatings for Gas Turbines’ by Dr.
Dheepa Srinivasan, Chief Scientist from Pratt & Whitney, IISc Branch, Bangalore. Dr. Sunil
Shankar Waddar welcomed all the participants for this session of the STTP. Dr. Santosh N
introduced the Resource Speaker to the participants.
Materials have always played key role in jet engine advancements over decades. Core
efficiency, fan weight and development, time, drive, materials, R&D etc. are important aspects.
Oxidation coatings and thermal barrier coatings help the turbine blades to withstand temperatures
up to 2700 degree F. Single crystal technology resulted in a paradigm shift in creep strength,
Day 2 Session 2 : Advanced Coatings for Gas Turbines
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thermal fatigue strength and corrosion resistance. Gadolinium Zirconium TBC results in a
significantly longer life than Yittria Zirconia in HPT blades for Gas Turbine Applications. The
Speaker explained the role of coatings in gas turbine applications, in detail. Cold spray
technology for repair of the components was also elaborated. Coating at the rub interfaces was
highlighted.
Questions from the participants were taken at the end of the session. Dr. Santhosh N proposed
the vote of thanks to the Resource Person, on behalf of MVJ College Management and the
organizing committee. The session concluded with Feedback from the participants.
Day 3: 10th February, 2021 (Wednesday)
The first session on Day 3 was on the topic ‘Advanced Light Weight Composites–
Manufacturing, Testing and Applications’, by Dr. Sunil Shankar Waddar, Associate Professor,
Mechanical Engineering Department, MVJ College of Engineering, Bangalore. Dr. Santhosh N
Day 2 Session 2 : Illustration of Cold spray Technique
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welcomed all the participants to the third day of the STTP and introduced the Resource Speaker
to the participants.
Dr. Sunil Shankar Waddar explained about the manufacturing of different types of composites.
Standards to be maintained and precautions to be followed for composite material testing were
Day 3 Session 1 : Advanced Light Weight Composites– Manufacturing , Testing and Applications
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elaborated. Applications of different types of composite materials were also discussed. Different
methods that are adopted to manufacture syntactic foam composites were presented.
Questions from the participants were taken at the end of the session. Then, Dr. Santhosh N
proposed the vote of thanks to the Resource Person, on behalf of MVJ College Management and
the organizing committee. The session concluded with Feedback from the participants.
The second session on the third day was by Dr. J Ram Kumar, Professor, Department of
Mechanical Engineering, IIT, Kanpur, on the topic ‘Electron beam Additive manufacturing”. Dr.
Anand G, Associate Professor from Mechanical Engineering Department, welcomed all
participants for this third day of the STTP and introduced the Resource Speaker to the
participants.
Day 3 Session 2 : Electron beam Additive manufacturing
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Electron beam Manufacturing is the latest Additive manufacturing technology. Differences
between Laser beam Manufacturing and Electron beam Manufacturing were explained in detail,
aided by videos. Applications and limitations of Laser Beam Manufacturing were also discussed.
Questions from the participants were answered by the Speaker, at the end of the session. Dr.
Sunil Shankar Waddar proposed the vote of thanks to the Resource Person, on behalf of MVJ
College Management and the organizing committee. The session concluded with Feedback from
the participants.
Day 4: 11th February, 2021 (Thursday)
The first session on Day 4 was on the topic ‘Precision High speed green (dry/near dry)
machining of aerospace materials’ by Dr. Dinesh Singh Thakur, Head - ME Department, DIAT
(Defence Institute of Advanced Technology), DRDO, Pune.
Dr. Sunil Shankar Waddar welcomed all the participants to the fourth day of STTP and
introduced the Resource Speaker.
Day 4 Session 1 : Precision High speed green (dry/near dry) machining of aerospace materials
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In his session, the Speaker highlighted the importance of micromachining for aerospace
applications. A deep understanding of physics helps to develop innovative methods. Green
machining (coolant fluid elimination) techniques were explained and demonstrated for sheet
metal cutting operations. The topic of high speed machining for Aerospace materials was also
dealt with, in detail.
The Speaker took Questions from the participants, at the end of the session. Dr. Sunil Shankar
Waddar then proposed the vote of thanks to the Resource Person, on behalf of MVJ College
Management and the organizing committee. The session concluded with Feedback from
participants.
The second session on the fourth day was presented by Dr. Afzaal Ahmed, Assistant Professor,
IIT - Palakad on the topic ‘Novel approach for drilling exotic engineering materials’. Dr. Sunil
Shankar Waddar welcomed all the participants and introduced the Resource Speaker.
The Speaker discussed the challenges in deep hole drilling which are applicable in the Oil and
Gas industry, and in the Automobile and Defense industries. He elaborated on the cutting forces
in deep hole drilling, with proper annotations. Concepts like New method, Hybrid Electric
Discharge Arc Machining (HEDAM) to decrease tool bit erosion, maintaining straightness which
increases drilling speed by 12 times were also explained.
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Questions from participants were taken by the Speaker, at the end of the session. Dr. Sunil
Shankar Waddar proposed the vote of thanks to the Resource Person, on behalf of MVJ College
Management and the organizing committee. The session concluded with Feedback from
participants.
Day 5: 12th February, 2021 (Friday)
The first session on Day 5 was by Mr. BS Raghunandan, Technical Manager, Quest Global
Services, Bangalore, on the topic ‘Digital Manufacturing’.
Dr. Sunil Shankar Waddar welcomed all the participants to this session. Mr. Sridhara Rao MV,
Associate Professor in Mechanical Engineering Department, MVJCE, introduced the Resource
Speaker to the participants.
Details of IOT and their implementation were discussed by the Resource Speaker. Digital
manufacturing requirement and impact were elaborated. Role of Virtual Reality and Augmented
Reality in the design of factory setups, process installation and maintenance were explained with
interesting videos.
Day 5 Session 1 : Digital Manufacturing
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Questions from participants were taken by the Speaker, at the end of the session. Dr. Sunil
Shankar Waddar then proposed the vote of thanks to the Resource Person on behalf of MVJ
College Management and the organizing committee. The session concluded with Feedback from
the participants.
The second session on Day 5 started with a presentation by Dr. K Niranjan Reddy, Scientist E,
Precision Metrology, CMTI, Bangalore. He spoke on the topic ‘Advanced Mechanical
Measurements for Precision Engineering’. Dr. Sunil Shankar Waddar welcomed the participants
and introduced the Resource Speaker.
Dr. K Niranjan Reddy explained about the conventional devices for linear, angular
measurements, with informative pictures. Different industry standards were explained in detail
by him. Different Optical instruments, viz, CMM, Interferometry devices for precision
measurement were also elaborated. Laser trackers in Ultra precision measurement were also
explained with test setups.
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Questions from participants were taken at the end of the session. Dr. Sunil Shankar Waddar
proposed the vote of thanks to Resource Person on behalf of MVJ College Management and the
organizing committee. The session concluded with Feedback from participants.
Day 6: 13th February 2021 (Saturday)
Day 5 Session 2 : Advanced Mechanical Measurements for Precision Engineering
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The first session on Day 6 was on the topic ‘Effect of Build direction on the Tensile properties
of Al10SiMg alloys’, by Dr. Ram Prabhu, Deputy Director / Scientist, CEMILAC, DRDO,
Bangalore. Dr. Sunil Shankar Waddar welcomed the participants to this session on the last day of
the STTP. Dr. Anand G introduced the Resource Speaker to the participants.
Dr. Ram Prabhu started by discussing about the build direction impact in Additive manufacturing
of Al10SiMg and Microstructure and Residual stress playing a critical role in the strength of the
material. Possible research proposals and PhD opportunities useful for industry were also
discussed.
Questions from participants were taken by the Speaker, at the end of the session. After this, Dr.
Sunil Shankar Waddar proposed the vote of thanks to the Resource Person on behalf of MVJ
College Management and the organizing committee. Last but not the least, was the Feedback
from the participants.
Day 6 Session 1 : Effect of Build direction on the Tensile properties of Al10SiMg alloys
19
The Second session on the last day was on the topic ‘Manufacturing advancements in medical
technologies” by Mr. Vinod Chaudhari, Technology Director, Dheya Engineering &
Technologies (Former Technical Leader, GE Aviation, Bangalore).
Mr. Sridhara Rao M V, Associate Professor in Mechanical Engineering Department, MVJCE,
introduced the Resource Person to the participants.
Mr. Vinod Chaudhari started his lecture by explaining about the mechanical requirements for the
tiny medical devices used in the cleaning of arteries and in heart blockages. He then went on to
speak about the scope for cost reduction of medical equipment by advanced machining process.
Day 6 Session 2 : Manufacturing advancement in medical technologies
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He also elaborated on the opportunities created to the Mechanical Engineering world after the
Corona Virus.
Questions from participants were taken at the end of the session. Post that, Dr. Sunil Shankar
Waddar proposed the vote of thanks to the Resource Person on behalf of MVJ College
Management and the organizing committee. The session came to an end with Feedback from the
participants. Overall, all the sessions were well received by the participants.
FDP Culmination
At the end of six days, the last speaker presided over the valedictory function. HoD of
Mechanical Engineering Department, Dr. Vivenkanand Huddar, summed up the importance of
the different sessions handled by different Speakers and summarized the valuable inputs shared
by the experts. Mr. Sridhara Rao MV, Associate Professor, Mechanical Department, provided
glimpses of all the sessions, from Day 1 to Day 6. Principal, MVJCE, provided the concluding
remarks and thanked each and every Resource Speaker for accommodating the sessions in the
midst of their busy schedules. The STTP concluded with vote of thanks to Management at
MVJCE, Organizing Committee, Resource Speakers and all participants. Feedback was taken
and Quiz sessions were conducted, at the end of the 6th day.
Outcome of the STTP
This STTP has enlightened the participants on advancements in precision manufacturing
industry, digital manufacturing, different kinds of materials for strategic applications and 3D
printing for medical implants. Several interesting research areas in micro-machining and nano-
finishing, Aluminum alloys etc. came up during the discussions which can be taken forward.
Link to Videos
Day Topic Link
Day 1 Inauguration and delivery of
Keynote address
https://web.microsoftstream.com/video/8d0e9b0d-
0174-4e56-96a5-dc53a1bd2966
Day 1,
Session 1
Smart Abrasive flow nano
finishing of bio medical
implants
https://web.microsoftstream.com/video/f56f4fe8-
eb93-4c53-ac72-6bd1a44b1f22
Day 1,
Session 2
Joining of metals using
friction stir welding
https://web.microsoftstream.com/video/cbbfcdba-
7e2f-41e7-a2b9-1cd145857398
Day 2,
Session 1
Intelligent Manufacturing https://web.microsoftstream.com/video/b0c860d0-
e733-4780-b4cb-c62dae622935
21
Day 2,
Session 2
Advanced Coatings for Gas
Turbines
https://web.microsoftstream.com/video/8835842b-
bce3-4f4d-b365-fe638826c0d6
https://web.microsoftstream.com/video/0ac72d1f-
ed60-4a2c-bbea-d1894cc440fc
Day 3,
Session 1
Advanced Light Weight
Composites –
Manufacturing, Testing and
Applications
https://web.microsoftstream.com/video/54afed8e-
3fd1-405a-bf5e-7edaca6999a0
Day 3,
Session 2
Electron beam Additive
manufacturing
https://web.microsoftstream.com/video/1fb0701f-
cc79-4024-923f-7f69d5a56d8d
https://web.microsoftstream.com/video/b558bdca-
27c7-4491-8465-c19dc7889a0b
Day 4,
Session 1
Precision High speed green
(dry/near dry) machining of
aerospace materials
https://web.microsoftstream.com/video/1b541d93-
e7b2-4b49-bfb9-83bb0f0cbb81
Day 4,
Session 2
Novel approach for drilling
exotic engineering materials
https://web.microsoftstream.com/video/1b541d93-
e7b2-4b49-bfb9-83bb0f0cbb81
Day 5,
Session 1
Digital Manufacturing https://web.microsoftstream.com/video/3b9e5ee3-
7e69-4ead-96e6-b3f8e65dc09e
Day 5,
Session 2
Advanced Mechanical
Measurements for Precision
Engineering
https://web.microsoftstream.com/video/132cf18e-
aaaa-47be-9b29-a959b38621ce
Day 6,
Session 1
Effect of Build direction on
the Tensile properties of
Al10SiMg alloys
https://web.microsoftstream.com/video/330cef33-
7f69-4ed2-a65f-37fdc8dcd19b
Day 6,
Session 2
Manufacturing
advancements in medical
technologies
https://web.microsoftstream.com/video/57ca4038-
a749-480b-9adc-28034bff0cd4
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