Detailed SyllabusThis course will be taught by three faculty
members (From India and Japan) as follows:1. Topics I: Introduction
to NC Machine tools and terminologyTypes of automation, Programmed
Automation, History of Numerical Control, Components of NC: Punched
Tape, MCU, Processing Unit, Axis Designation, Application of
Numerical Control, Advantages, & Disadvantages.More topics. can
be added4 lectures by Dr. P K Jain6-17 August, 2012As per time
table
2. Topics II: Hardware aspects of NC Machine toolsCNC Hardware
BasicsMachines Structure,Guidways: Requirements, types and design
features,Actuation systems: Ball Screws,Modern CNC
SystemsIndexablecarbide tools, Modular Tooling & Tool
Presetting, Machining Centers, Automatic tool changers, Cutting
tools and process parameter selection based on machining capacity,
accuracy and surface finish, various Process planning issues.More.
can be added3. Topic III: Control aspects of NC Machine tools
including DrivesNC Motion Control: PTP, Straight cut,
Contouring,Velocityrelationships using independent motors: position
control and its significance, Block Diagram of CNC
operations,Positioning System: Open loop and Closed loop System,
Precision in NC Positioning: Control resolution, Accuracy,
Repeatability. Actuation systems: Servo and Stepper Motors control,
Feedback devices: Encoder, Optical grating,
Resolvers,Inductosyn.More topics. can be added10-12 lectures and
one Lab by Senior Engineer Dr.-Eng. Masao Nakagawa, OKUMA Co.5-9
November,2hrs/day
4. Topic IV: Adaptive machiningFundamentals of Adaptive Control
Including In-process MeasurementUtilisationTechnology of NC Machine
Tools from Aspect of Machining Accuracy.More topics. can be
added17-18 lectures byResearch Associate
Dr.-Eng.RyutaSATODuration_______
5. Topic V: Part programming including projects for hands on
experienceProcess planning and flow chart for part programming. Cut
planning, Part programming formats for turning and milling, G &
M Codes, Interpolations, Canned Cycles and Subprograms, Tool
Compensations Absolute and incremental programming, fixed
zero/floating zero, Linear and Circular Interpolation, Development
of a CNC part program, Canned Cycles, Single Turning, Single
Facing, Multiple Turning, Multiple Facing, Pattern Repeating, Peck
Drilling, Single Threading, cycles for simplifying programming.
Cutter Radius Compensation, Tool length compensations, Tool Nose
Radius Compensations, Tool offsets, Canned Cycles for milling,
Continuous Drilling, Peck Drilling, Subprogram call, Mirroring and
Pocketing cyclesMore topics. can be added10-12 lectures
includingLab sessionsby Dr. P K Jain20 August, 2012 to 14
September, 2012As per time table
Attendance Requirement
Lecture Notes
1.Introduction to NC Machine tools and terminology2.Hardware
aspects of NC Machine tools3.Control aspects of NC Machine tools
including Drives4.Adaptive machining5.Part programming including
projects for hands on experience
Lab Work
Lab ManualsPower MILL GuideDownload CNC Simulator:
http://www.cncsimulator.com/index.php?page=download.htmFeature CAM
GuidePost Processor GuideCNC Milling Machine Manual(EMCO)CNC Lathe
Machine Manual(EMCO)CNC Milling Machine Manual(OKUMA)CNC Lathe
Machine Manual(OKUMA)List of Experiments/Exercise1.Part Programming
(Manual) and simulation for CNC Milling machining using CNC
simulator.2.Part Programming (Manual)and simulationfor CNC Lathe
machining using CNC simulator.3.Operating CNC Milling machine and
part fabrication on CNC Milling machine (EMCO).4.Operating CNC
Lathe machine and part fabrication on CNC Lathe machine
(EMCO).5.Typical part fabrication on CNC Milling machine
(EMCO).6.Typical part fabrication on CNC lathe machine
(EMCO).7.Operating CNC Milling machine and part fabrication on CNC
Milling machine (OKUMA).8.Operating CNC Lathe machine and part
fabrication on CNC Lathe machine (OKUMA).9.Typical part fabrication
on CNC Milling machine (OKUMA).10.Typical part fabrication on CNC
lathe machine (OKUMA ).
Assignments
1.EMCO Lathe machine2.EMCO Milling Machine3.Computations for
Part Programming
Projects
1.Virtual Manufacturing2.Computational Geometry
