Syllabus

ME6238 Micro-machining and Precision Engineering
Module I [ Hours 6]
Introduction to micro-machining process: Mechanical micro-machining process, thermal micro-machining process, chemical and electrochemical micro-machining processes, mechanical advanced micro-machining processes, ultrasonic micromachining, thermal advanced micro-machining processes, Electron beam micro-machining, Laser beam micro-machining, electro chemical micro-machining.
Module II [ Hours 10]
Micro-electric Discharge machining: Principles of Micro-EDM, Research and development, Micro-EDM system development, influence of pulse characteristics, fabrication of high aspect ratio holes, heat affected zone in micro-EDM, Modelling of single spark in micro-EDM, ignition phase in micro-EDM, heating phase in micro-EDM, Removal phase in micro-EDM
3. Laser micro-machining techniques: Lasers used for micro-machining, Laser beam characteristics, Laser material interaction, Laser Micro-machining System, Nano-second pulse micro-machining, pieco-second pulse micro-machining, Femtosecond pulse micro-machining
Module III [Hours 4]
Micro-milling: Micro-milling mechanism and methods, micro-End milling methods, micro-milling machine, micro-milling cutters: Tool materials and tool fabrication methods, EDM for Micro-tool fabrication, Tool accuracy, Applications of micro-milling: micro-grooves with square cross-sections, micro-grooves with arc cross sections, micro Dimple arrays
Module IV [ Hours 4]
Electro-chemical micro-machining: electro chemical machining over-view, Fundamentals of EMM, Electro-chemistry of EMM, Mechanism of material removal, Types of EMM, Maskless EMM, Major factors of EMM, EMM power supply, EMM electrolyte, Design and development of micro-tools, Basic EMM set-up, Applications of EMM
Module V [ Hours 6]
Diamond turning: Types of DTM, Components of diamond turn machine, spindle system, spindle, spindle housing, spindle drive, work-piece and tool positioning system, Table slide ways, Tool measurement system, machine control system, Ductile regime machining, Tools for DTM, Tools geometry of single crystal diamond tool, Tool setting, Advances in DTM
Module VI [Hours 6]
Metrology of micro-machined components: Scanning electron microscopy, Optical micro-scopy, Scaning white light interferometry, Confocal laser microscopy, Scaning probe microscop, Computed tomography, Digital volumetric imaging, Molecular measuring machine, Micro-cordinate measuring machine, auto-focusing probe, Scaning laser

Understand the fundamental concepts of micro-machinig and precision Engineering

To learn micro-machining theory for development of micro-product

To learn precision engineering principles for measurement of micro-machined feature

To apply micro-machining theory and precision engineering for research work

CO1 Knowledge will be gained in micro-machining and precision engineering
CO2. Able to apply knowledge for micro-fabrication
CO3. Able to design micro-products and learn micro-fabrication methods
CO4. Able to carry out innovative research in the field of micro-machining and precision Engg
CO5. Able to learn dimond turning operation for precision application

V K Jain, Introduction to micro-machining, Narosa, 2nd Edition, 2022

Mark J Jackson, Microfabrication and nano-manufacturing, Taylor & francis, 1st Edition, 2020

Yi Qin, Micro-manufacturing Engineering and Technology, Science Direct, 1st Edition, 2021

Hassan El-Hofy, Machining processes, Taylor & Francis, 1st Edition, 2022