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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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Day 4 Session 2 : Novel approach for drilling exotic engineering materials

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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

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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

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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