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March 29, 2021
By MVJCE
| Date of the Event | 4th January 2021 to 9thJanuary 2021 |
| Title of the Event | STTP on Advanced Manufacturing Techniques for Medical and Precision Engineering – Phase I |
| 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 &W hitney, IISc Campus, Bangalore • Dr. A Udaya Kumar, Senior Principal Scientist, CSIR-NAL, Bangalore • Mr. Vinod Chaudhari, Technology Director, Dheya Engineering & Technologies / Former Technical Leader, GE Aviation, Bangalore 6 people from Academia • Dr. Ram Kumar J,Professor, Dept. of ME, IIT Kanpur • Dr. Somashekhar Hiremath, Professor, Dept. of ME, IIT Chennai • 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. Satish V Kailas, Professor, Dept. of ME, IISc, Bangalore |
| 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 I’, from 4th January 2021 to 9th January 2021 (10.00 AM to 12.00 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 the medical industry, advanced manufacturing techniques that use digital data exchange, and opportunities for Research and Development. On an average, 60 participants (25 from MVJCE and 35 from outside) benefited from this short term Training Programme.
The STTP was sponsored by All India Council for Technical Education (AICTE), in association with Institution of Innovation Council (IIC) and IQAC.
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 precision manufacturing techniques for medical industry, micro machining and nano finishing techniques, digital manufacturing using data exchange.
Day 1: 4th January, 2021 (Monday)
Dr. Sunil Shankar Waddar, Associate Professor, Mechanical Engineering Department, welcomed all participants to the STTP, and requested HoD of Mechanical Department to deliver the Welcome Address.
Dr. G. Anand, Associate Professor, welcomed the Guests of Honour, Speakers and all participants to the STTP program, on behalf of HoD Mechanical Engineering Department and Convenor of the STTP. The distinguished Principal of MVJ College of Engineering, Dr. P Mahabaleswarappa, Vice Principal Prof. Brindha, senior faculty from Aeronautical Department Prof. S. C. Gupta, and Controller of Examinations Dr.Vamangudi inaugurated the STTP, by lighting the lamp. Ms. Madhuri Iyengar, final year student, rendered the prayer song to mark the beginning of the auspicious occasion.
Principal and other dignitaries inaugurated the STTP by lighting the lamp
In his address, Principal, MVJ College of Engineering, pointed out that advances in manufacturing are made to improve the product quality, reduce cost and to improve the process quality.
Dr. J. Ramkumar, Professor, Mechanical Department, IIT Chennai, was the Chief Guest for this Inaugural function, and he provided key note address for the STTP. He also hosted the first session on Day1, on the topic ‘Amalgamation of Technology and Biology’. Dr. G. Anand, Associate Professor in Mechanical Engineering Department, MVJCE, introduced the Resource Person to the participants.
Customization of products is the need of the medical industry. The Speaker highlighted the differences between equipment made for conventional use and those made for bio-medical application, like medical implants. There is continuous demand for artificial organs of the human body. The role of 3D printing techniques for bio-medical application was brilliantly elaborated by the Speaker. Some of the techniques discussed were Extrusion-based bio printing, droplet-based bio-printing and laser-based bio-printing. Even the most complicated organ can be made through Laser-based bio-printing, but limited by photo sensitive material. Inkjet bio-printing is an economical method for skin, bone, blood vessels etc. In extrusion-based methods, bio-ink is extruded through nozzle tip and this method is suitable for Cartilage, muscle, liver etc. The Speaker further went on to explain mathematical modelling for design of bio-printing. He pointed out that there is rigorous research that is happening, to increase the resolution, speed, and selection of compatible materials for bio-printing of different organs of the human body.
Day1 Session 1 : Amalgamation of Technology and Biology
The session opened up a lot of research opportunities in bio-printing. Overall, the session was well received by the participants.
Questions from participants were taken 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.
The second session of Day 1 was on the topic ‘Advanced Machining Process – Micromachining’, by Dr. Somashekhar Hiremath, Professor, Dept. of ME, IIT Chennai. The Principal of MVJ College of Engineering, Dr Mahabeshwarappa introduced the Resource Speaker to the participants.
In this session, the role of miniaturization of products and processes was highlighted. Research areas in Control Engineering, Mechatronics, Robotics, Precision Manufacturing and Hydraulics and Pneumatics were discussed. The Speaker also elaborated on Robotic calibration test facility used for Workspace calibration and Dynamic characteristics in Robotic system. Different Micromachining processes like EDM, ECDM and Abrasive Jet Machining were explained with fundamental principles and test setups. Micro channel machining and Micro Electric Mechanical Systems (MEMS) were also described.
Day1 Session 2 : Advanced Machining Process – Micromachining
Miniaturization increases the overall system efficiency and ease of transportation, occupies less space and requires less material. Different micro machining methods, viz, subtractive process, additive 3D printing, Deep X-ray Lithography, nano finishing, mass containing and joining were elaborated on.
The Speaker also addressed topics like advancements and research opportunities in micro-feature generation, building a microstructure for biomedical applications, nano particle generation and building a mathematical model and use of artificial intelligence.
Questions from participants were taken at the end of the session. Principal, MVJ College of Engineering, delivered 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 2: 5th January, 2021 (Tuesday)
The first session on Day 2 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 second day of the STTP and Dr. G. Anand introduced the Speaker.
Dr. Dinesh Singh Thakur highlighted the importance of micromachining in aerospace applications. An understanding of physics helps to develop innovative methods. Green machining (coolant fluid elimination) techniques were explained and demonstrated by the Speaker, for sheet metal cutting operations. High speed machining for Aerospace materials was alsi explained in detail.
Day2 Session 1 : Precision High speed green (dry/near dry) machining of aerospace materials
Questions from participants were taken at the end of the session. Dr. Sunil Shankar Waddar proposed the vote of thanks to the Resource Person, after which feedback was collected from the participants.
The second session on Day 2 was on the topic ‘Manufacturing advancements in medical technologies’, by Mr. Vinod Chaudhari, Technology Director, Dheya Engineering & Technologies. Formerly, he was also the Tchnical Leader, at 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 talking about the mechanical requirements for the tiny medical devices that are used in cleaning arteries and clearing heart blockages. He pointed out that there is lot of scope for cost reduction of medical equipment, by using advanced machining processes. Advanced precision medical equipment and their manufacturing, and the opportunities created to the mechanical engineering world after the onset of the Corona pandemic were also elaborated by the Speaker.
Day2 Session 2 : Manufacturing advancement in medical technologies
At the end of the session, the Speaker took Questions from the participants. Dr. Sunil Shankar Waddar and Mr Sridhara Rao, Associate Professors from Mechanical Engineering Department proposed the vote of thanks to Mr. Vinod Chaudhari, on behalf of MVJ College Management and the Organizing Committee. The session concluded with feedback from participants.
Day 3: 6th January, 2021 (Wednesday)
The first session on Day 3 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 to the third day of the STTP and Dr. G. Anand introduced the Resource Speaker to the participants.
Day3 Session 1 : Intelligent Manufacturing
In this session, the differences between LEAN and Agile Manufacturing were explained by the Speaker. The need for and advantages of intelligent manufacturing in the scenario of the current industry revolution were elaborated. The differences between smart and intelligent manufacturing were highlighted, with examples. The Speaker pointed out that it may take another 10 years to completely shift to the intelligent manufacturing paradigm at all levels globally, and realize the benefits. Manufacturing organizations that fail to implement these revolutionary technologies may soon be out of business, and will be highly vulnerable to competition.
Questions from participants were taken at the end of the session. Dr. Rajesh Kumar Paul, 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, following which feedback was taken from the participants.
The second session on Day 3 was on ‘Abrasive flow finishing of complex bio medical implants’, by Dr. Mamilla Ravishankar, Associate Professor, Dept. of ME, IIT Tirupati.
Dr. Sunil Shankar Waddar welcomed all the participants and Dr. G. Anand introduced the Speaker.
The Speaker started by emphasizing the importance of Micromachining and Nano machining in Bio medical implants. He described the role of semi solids for nano finishing with fundamentals principles of Rheology. Smart abrasive nano finishing test setup was also explained.
At the end of the session, the Speaker took Questions from the participants. Dr. Sunil Shankar Waddar proposed the vote of thanks to the Resource Person, after which feedback was taken from the participants.
Day3 Session 2 : Abrasive flow finishing of complex bio medical implants
Day 4: 7th January, 2021 (Thursday)
The first session on Day 4 started with Dr. K. Niranjan Reddy, Scientist E, Precision Metrology, CMTI, Bangalore, speaking on ‘Advanced Mechanical Measurements for Precision Engineering’.
Dr. G. Anand first welcomed all the participants and Dr. Sunil Shankar Waddar introduced the Resource Speaker to the participants.
Dr. K. Niranjan Reddy explained conventional devices for linear, angular measurements, with lot of illustrations. Different industry standards were also explained in detail. The Speaker elaborated on different Optical instruments, viz, CMM, Interferometry devices for precision measurement. Laser trackers in Ultra precision measurement were also explained, with test setups.
Day4 Session 1 : Advanced Mechanical Measurements for Precision Engineering
Questions from participants were taken at the end of the session. Dr Sunil Shankar Waddar delivered 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 fourth day was conducted by Mr. BS Raghunandan, Technical Manager, Quest Global Services, Bangalore, on the topic ‘Digital Manufacturing’.
Dr. Sunil Shankar Waddar welcomed the participants and Mr. Sridhara Rao MV introduced the Speaker to the participants.
In this session, the role of Virtual Reality and Augmented Reality in the design of factory setups, process installation and maintenance were explained with interesting videos. The latest tools that are being used currently, in the industry, were explained in detail. Additive manufacturing using Robots was demonstrated for the parts where the history is unavailable. Model base enterprise, Inspection tools in UGNX platform and 3D scanning were also discussed in detail.
Day4 Session 2 : Digital Manufacturing
The Speaker took Questions from the participants, at the end of the session. Dr. Santhosh N proposed the vote of thanks to the Resource Person and the session concluded after collecting feedback from the participants.
Day 5: 8th January, 2021 (Friday)
The first session on Day 5 started with Dr. Satish V Kailas, Professor, Dept. of ME, IISc, Bangalore, speaking on ‘Joining of metals using friction stir welding’.
Dr. Sunil Shankar Waddar welcomed the participants to the fifth day of the STTP and introduced the Speaker to the participants.
Day5 Session 1 : Joining of Metals by Friction stir Welding
Dr. Satish V Kailas began his session by stating why it was important to join metals without soldering materials. Friction stir welding provides an opportunity to join metals, without emanating harmful gases and causing environmental pollution. The Speaker demonstrated Friction stir welding for joining of Cu. Microstructure evaluation of Aluminum alloys was also explained in detail by him.
At the end of the session, Questions from participants were taken by the Speaker. Dr. Santhosh N delivered the vote of thanks, acknowledging the gratitude of the Management of MVJ College and the Organizing Committee, to the Speaker. The session concluded with feedback from the participants.
The second session on the fifth day was on ‘Gas Turbine Materials and Additive Manufacturing’, by Dr. Dheepa Srinivasan, Chief Scientist from Pratt & Whitney, IISc Branch, Bangalore. Dr. Santosh N welcomed the participants and Dr.Sunil Shankar Waddarintroduced the Resource Speaker.
Materials have played a 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 up to 2700 F temperature. Single crystal technology has resulted in a paradigm shift in creep strength, 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. All these aspects were discussed by the Speaker, making the session a highly interesting one.
Day5 Session 2 : Gas Turbine Materials and Additive Manufacturing
Moving on, tougher TBCs with low thermal conductivity is an area to focus on. Coating the complex shapes where access is restricted is another area for development. The Speaker explained in detail, additive manufacturing for Gas Turbine material using different methods.
At the end of the lecture, Questions were taken from the participants. Dr. Santhosh N proposed the vote of thanks to the Resource Person and the session concluded with feedback from the participants.
Day 6: 9th January, 2021 (Saturday)
The first session on the sixth day was on ‘Bio-Ceramic Functionally Graded Micro-Nano Coatings on Titanium Alloys, for Biomedical Applications’, by Dr. Mamilla Ravishankar, Associate Professor, Dept. of ME, IIT Tirupati. Dr. Sunil Shankar Waddar welcomed the participants to the first session of the final day of the STTP. Dr. Anand G introduced the Resource Person to the participants.
Dr. Mamilla Ravishankar began the session with a discussion on the development of bullet proof materials and liquid armours using magneto rheological fluids with low reaction times. Cutting fluid emissions and Bio ceramic coatings for medical implant devices were also explained by her. Dr. Mamilla Ravishankar also dealt in detail with the applications of coatings in medical implants, using physical varpor deposition methods.
Day6 Session 1 : Bio-Ceramaic Functionally Graded Micro-Nano Coatings on Titanium Alloys for Biomedical Applications
Questions from participants were taken 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 the sixth day was on ‘Ceramic Matrix Composites: A high temperature material of choice for strategic applications’, by Dr. A Udaya Kumar, Senior Principal Scientist, CSIR-National Aerospace Laboratories, Bangalore. Dr. Santosh N welcomed the participants to this final session of the STTP. Dr. Sunil Shankar Waddar introduced the Resource Speaker.
In aircraft industry, CMCs reduce weight and increase thrust to weight ratio. They have high temperature capability, no dimensional stability. Weight reduction at the rear end of the engine pushes the CG to go forward. The Speaker spoke about the different types of CMCs and application locations in an aircraft engine. Carbon reinforced composites were explained in detail. CMCs for Aerospace applications were also described, comprehensively.
Day6 Session 2 : Ceramic Matrix Composites – A high temperature material of choice for strategic applications
Questions were taken from the participants by the Speaker, at the end of the session. Dr. Sunil Shankar Waddar proposed the vote of thanks to the Resource Person and the session concluded with feedback from the participants. Overall, the session was well received by all the participants.
FDP Culmination
At the end of six days, the last Speaker presided over the valedictory function. On behalf of the HoD of Mechanical Engineering Department, Dr. Anand G highlighted the importance of the different sessions and outlined the valuable inputs shared by each Speaker. Mr. Sridhara Rao MV, Associate Professor, Mechanical Department, provided glimpses from each session, from Day1 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 the 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
It 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. The participants learnt about several interesting research areas in micro-machining and nano-finishing which are required for the medical industry.
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