JNTUH B.Tech 4th year (4-1) CNC Technologies gives you detail information of CNC Technologies (Elective – II) R13 syllabus It will be help full to understand you complete curriculum of the year.
Objectives
Understand basic features of NC and CNC Machines and their Design Considerations.
- To study various system devices hardware and software interpolations.
- To know various tooling systems used in CNC Machines.
- Understand both Manual and Computer Aided Programming for Generating Various Contours.
- To study about the DNC systems and Adaptive Control used for various machining process.
UNIT I
Features of NC Machines, Fundamentals of numerical control, advantage of NC systems, classification of NC systems, point to point, NC and CNC, incremental and absolute, open and closed loop systems, Features of NC Machine Tools, design consideration of NC machine tool, methods of improving machine accuracy.
UNIT II
CNC Machines Elements: Machine Structure- Guide ways – feed drives- spindles – spindle bearings.
System Devices: Drives, feedback devices, counting devices. Interpolators for manufacturing systems: DDA integrator, DDA hardware interpolators, CNC software interpolators.
UNIT III
Tooling for CNC Machines: Interchangeable tooling system, preset and qualified tools, coolant fed tooling system, modular fixturing, quick change tooling system, automatic head changers.
TEXT BOOKS
- Computer Control of Manufacturing Systems – Yoram Koren ,Tata Mc Graw Hill, 2009.
- Computer Aided Manufacturing – Elanchezhian, Sunder Selvan and Shanmuga Sunder, University Science Press, Second edition.
REFERENCE BOOKS
- Machining Tools Hand Book Vol 3, (Automation & Control)! Manfred Weck / John Wiley and Sons, 1984.
- Mechatronics — HMT, TMH.
- Computer Numerical Control-Operations and Programming — Jon Stenerson and Kelly Curron Pul, 3rd Edition.
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