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Computer Numerical Control Notes pdf – CNC Notes Pdf

Computer Numerical Control Notes pdf – CNC notes pdf file

Computer Numerical Control Notes pdf – CNC pdf notes – CNC notes pdf file to download are listed below please check it –

Link:Complete Notes

Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. If you have any doubts please refer to the JNTU Syllabus Book.

UNIT I

Features of NC Machines: Fundamentais of numerical control, advantage of NC systems. cissiflcation of NC systems. point to point, NC and CNC, incremental and absolute. open and closed loop systems, Features of N/C 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 – measuring systems-Tool monitoring systems.

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.

UNIT IV

NC Part Programming: Manual programming-Basic concepts, Point to point contour programming. canned cycles. parametric programming.

UNIT V

Compute-Aided Programming: General information, APT programming, Examples Apt progrmming problems (2D machining only). NC programming on CAD/CAM systems. the design and implementation of post processors .lntroduction to CAD/CAM soltware. Automatic Tool Path generation.

UNIT VI

DNC Systems and Adaptive Control: introduction, type of DNC systems. advantages and disadvantages of DNC, adaptive control with optimization. Adaptive control with constraints, Adaptive control oi machining processes like turning, grinding.

UNIT VII

Micro Controllers: introduction, Hardware components. I/O pins, ports. external memory. counters. timers and serial data I/O interrupts. Selection of Micro Controllers, Embedded Controllers. Applications an Programming of Micro Controllers. ,

UNIT VIII

Programming Logic Controllers (PLC’s): Introduction. Hardware components of PLC. System. basic structure. principle of operations Programming mnemonics timers. Internal relays and counters Applications of PLC’s in cnc Machines.

Reference – Computer Numerical Control – WS notes pdf – WS pdf notes – WS Pdf – WS Notes

1. Machining Tools Hand Book Vol 3, (Automation 8t Control)! Manf Weckl John Wiley and Sons. 1984. ”
2. Machatronlcs – HMT, TMH.

Text books – Computer Numerical Control – WS notes pdf – WS pdf notes – WS Pdf – WS Notes

1. Computer Control of Manufacturing Systems/Yoram Koren! Mc Gra Hill Int. 1983.
2. CADICAM – Michel P.Groover. TMH

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