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Computer Numerical Control Notes Pdf – CNC Notes Pdf

Here you can download the free lecture Notes of Computer Numerical Control Pdf Notes – CNC Notes Pdf materials with multiple file links to download. This Computer Numerical Control notes pdf (CNC Pdf Notes)free download book starts with the topics covering Fundamentals of numerical control, Machine structure- Guideways, interchangeable tooling system, Compute-Aided Programming: General information, type of DNC systems, Hardware components. I/O pins, Hardware components of PLC, Etc.

Computer Numerical Control pdf Notes – CNC notes pdf file

Computer Numerical Control Notes | CNC notes pdf | CNC pdf notes | CNC Pdf | CNC Notes

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: Fundamentals of numerical control, an 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- Guideways – 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.

Computer Numerical Control Notes pdf – CNC Notes Pdf

UNIT V

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

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

Textbooks

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

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