ME8691 – NOTES & QP
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ME8691 – SYLLABUS
UNIT I INTRODUCTION
Product cycle- Design process- sequential and concurrent engineering- Computer aided design — CAD system architecture- Computer graphics — co-ordinate systems- 2D and 3D transformations- homogeneous coordinates — Line drawing -Clipping- viewing transformation-Brief introduction to CAD and CAM — Manufacturing Planning, Manufacturing control- Introduction to CAD/CAM –CAD/CAM concepts —-Types of production — Manufacturing models and Metrics — Mathematical models of Production Performance
UNIT II GEOMETRIC MODELING
Representation of curves- Hermite curve- Bezier curve- B-spline curves-rational curves-Techniques for surface modeling — surface patch- Coons and bicubic patches- Bezier and B-spline surfaces. Solid modeling techniques- CSG andB-rep
UNIT III CAD STANDARDS
Standards for computer graphics- Graphical Kernel System (GKS) — standards for exchange images- Open Graphics Library (OpenGL) — Data exchange standards — IGES, STEP, CALS etc. — communication standards.
UNIT IV FUNDAMENTAL OF CNC AND PART PROGRAMING
Introduction to NC systems and CNC — Machine axis and Co-ordinate system- CNC machine tools-
Principle of operation CNC- Construction features including structure- Drives and CNC controllers-
2D and 3D machining on CNC- Introduction of Part Programming, types — Detailed Manual part programming on Lathe & Milling machines using G codes and M codes- Cutting Cycles, Loops, Sub program and Macros- Introduction of CAM package.
UNIT V CELLULAR MANUFACTURING AND FLEXIBLE MANUFACTURING SYSTEM (FMS)
Group Technology(GT),Part Families–Parts Classification and coding–Simple Problems in Opitz Part Coding system–Production flow Analysis–Cellular Manufacturing–Composite part concept–Types of Flexibility — FMS — FMS Components — FMS Application & Benefits — FMS Planning and Control — Quantitative analysis in FMS ME8691 Computer Aided Design and Manufacturing