ME3305 CNC TECHNOLOGY SYLLABUS | ANNA UNIVERSITY BE MECHATRONICS ENGINEERING 5TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIFTH SEMESTER BE MECHATRONICS ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS, IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
ME3305 CNC TECHNOLOGY L T P C
3 0 0 3
OBJECTIVE
Now a day’s industries are having lot of changes because of technological developments and
the same creates better environment to manufacture components. CNC machining is one of the
widely accepted machining methods, which provides lesser manufacturing lead-time and
accuracy to the components. Therefore studying the fundamentals, construction details and
other controls are very much essential for the Mechatronics engineering students.
UNIT I FUNDAMENTALS OF CNC MACHINES 9
Introduction to Computer Numerical Control: CNC Systems – An Overview of Fundamental
aspects of machine control, Different types of CNC machines – Advantages and disadvantages
of CNC machines.
43
UNIT II CONSTRUCTIONAL FEATURES OF CNC MACHINES
AND RETROFITTING 10
Features of CNC Machines: Structure, Drive Mechanism, gearbox, Main drive, feed drive,
Spindle Motors, Axes motors. Timing belts and pulleys, Spindle bearing – Arrangement and
installation. Slide ways. Re - circulating ball screws – Backlash measurement and
compensation, linear motion guide ways. Tool magazines, ATC, APC, Chip conveyors.
Retrofitting of Conventional Machine Tools: Modification to be carried out on conventional
machines for retrofitting.
UNIT III CONTROL SYSTEMS, FEED BACK DEVICES AND TOOLING 10
Description of a simple CNC control system. Interpolation systems. Features available in a CNC
system – introduction to some widely used CNC control systems. Types of measuring systems
in CNC machines – Incremental and absolute rotary encoders, linear scale – resolver – Linear
inductosyn – Magnetic Sensors for Spindle Orientation. Qualified and pre-set tooling –
Principles of location – Principles of clamping – Work holding devices.
UNIT IV CNC PART PROGRAMMING 9
Part Program Terminology-G and M Codes – Types of interpolation Methods of CNC part
programming – Manual part programming – Computer Assisted part programming – APT
language – CNC part programming using CAD/CAM-Introduction to Computer Automated Part
Programming.
UNIT V ECONOMICS AND MAINTENANCE 7
Factors influencing selection of CNC Machines – Cost of operation of CNC Machines – Practical
aspects of introducing CNC machines in industries – Maintenance features of CNC Machines –
Preventive Maintenance, Other maintenance requirements.
TOTAL : 45 PERIODS
TEXT BOOK
1. Yoreur Koren, “Computer Control of Manufacturing Systems”, Pitman, London, 1987.
REFERENCES:
1. Radhakrishnan P., Computer Numerical Control Machines, New Central Book Agency,
1992.
2. BERRY LEATHAM – JONES, Computer Numerical Control, Pitman, London, 1987.
3. STEAVE KRAR and ARTHUR GILL, CNC Technology and Programming, McGraw–Hill
Publishing Company, 1990.
4. HANS B.KIEF and T.FREDERICK WATERS, Computer Numerical Control
Macmillan/McGraw-Hill, 1992.
5. G.E.THYER, Computer Numerical Control of Machine Tools. Second Edition, B/H
NEWNES, 1993.
6. GROOVER, M.P., Automation, Production Systems and Computer Integrated
Manufacturing, Prentice Hall, 1998.
7. MIKE MATTSON, “CNC Programming Thomson Learning, 2003.
ME3305 CNC TECHNOLOGY L T P C
3 0 0 3
OBJECTIVE
Now a day’s industries are having lot of changes because of technological developments and
the same creates better environment to manufacture components. CNC machining is one of the
widely accepted machining methods, which provides lesser manufacturing lead-time and
accuracy to the components. Therefore studying the fundamentals, construction details and
other controls are very much essential for the Mechatronics engineering students.
UNIT I FUNDAMENTALS OF CNC MACHINES 9
Introduction to Computer Numerical Control: CNC Systems – An Overview of Fundamental
aspects of machine control, Different types of CNC machines – Advantages and disadvantages
of CNC machines.
43
UNIT II CONSTRUCTIONAL FEATURES OF CNC MACHINES
AND RETROFITTING 10
Features of CNC Machines: Structure, Drive Mechanism, gearbox, Main drive, feed drive,
Spindle Motors, Axes motors. Timing belts and pulleys, Spindle bearing – Arrangement and
installation. Slide ways. Re - circulating ball screws – Backlash measurement and
compensation, linear motion guide ways. Tool magazines, ATC, APC, Chip conveyors.
Retrofitting of Conventional Machine Tools: Modification to be carried out on conventional
machines for retrofitting.
UNIT III CONTROL SYSTEMS, FEED BACK DEVICES AND TOOLING 10
Description of a simple CNC control system. Interpolation systems. Features available in a CNC
system – introduction to some widely used CNC control systems. Types of measuring systems
in CNC machines – Incremental and absolute rotary encoders, linear scale – resolver – Linear
inductosyn – Magnetic Sensors for Spindle Orientation. Qualified and pre-set tooling –
Principles of location – Principles of clamping – Work holding devices.
UNIT IV CNC PART PROGRAMMING 9
Part Program Terminology-G and M Codes – Types of interpolation Methods of CNC part
programming – Manual part programming – Computer Assisted part programming – APT
language – CNC part programming using CAD/CAM-Introduction to Computer Automated Part
Programming.
UNIT V ECONOMICS AND MAINTENANCE 7
Factors influencing selection of CNC Machines – Cost of operation of CNC Machines – Practical
aspects of introducing CNC machines in industries – Maintenance features of CNC Machines –
Preventive Maintenance, Other maintenance requirements.
TOTAL : 45 PERIODS
TEXT BOOK
1. Yoreur Koren, “Computer Control of Manufacturing Systems”, Pitman, London, 1987.
REFERENCES:
1. Radhakrishnan P., Computer Numerical Control Machines, New Central Book Agency,
1992.
2. BERRY LEATHAM – JONES, Computer Numerical Control, Pitman, London, 1987.
3. STEAVE KRAR and ARTHUR GILL, CNC Technology and Programming, McGraw–Hill
Publishing Company, 1990.
4. HANS B.KIEF and T.FREDERICK WATERS, Computer Numerical Control
Macmillan/McGraw-Hill, 1992.
5. G.E.THYER, Computer Numerical Control of Machine Tools. Second Edition, B/H
NEWNES, 1993.
6. GROOVER, M.P., Automation, Production Systems and Computer Integrated
Manufacturing, Prentice Hall, 1998.
7. MIKE MATTSON, “CNC Programming Thomson Learning, 2003.
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