ME6504
METROLOGY AND MEASUREMENTS L T P C
3 0 0
3
OBJETCTIVES:
·
To provide
knowledge on various Metrological equipments available to measure the dimension
of the components.
·
To provide
knowledge on the correct procedure to be adopted to measure the dimension of
the components.
UNIT I BASICS OF METROLOGY 5
Introduction to Metrology – Need – Elements –
Work piece, Instruments – Persons – Environment – their effect on Precision and
Accuracy – Errors – Errors in Measurements – Types – Control – Types of
standards.
UNIT II LINEAR AND ANGULAR
MEASUREMENTS 10
Linear Measuring Instruments – Evolution –
Types – Classification – Limit gauges – gauge design – terminology – procedure
– concepts of interchange ability and selective assembly – Angular measuring
instruments – Types – Bevel protractor clinometers angle gauges, spirit levels
sine bar – Angle alignment telescope – Autocollimator – Applications.
UNIT III ADVANCES IN METROLOGY 12
Basic concept of lasers Advantages of lasers –
laser Interferometers – types – DC and AC Lasers interferometer – Applications
– Straightness – Alignment. Basic concept of CMM – Types of CMM – Constructional
features – Probes – Accessories – Software – Applications – Basic concepts of Machine
Vision System – Element – Applications.
UNIT IV FORM MEASUREMENT 10
Principles and Methods of straightness –
Flatness measurement – Thread measurement, gear measurement, surface finish
measurement, Roundness measurement – Applications.
UNIT V MEASUREMENT OF POWER, FLOW AND
TEMPERATURE 8
Force, torque, power - mechanical, Pneumatic,
Hydraulic and Electrical type. Flow measurement: Venturimeter, Orifice meter,
rotameter, pitot tube – Temperature: bimetallic strip, thermocouples, electrical
resistance thermometer – Reliability and Calibration – Readability and
Reliability.
TOTAL : 45 PERIODS
OUTCOMES:
·
Upon completion
of this course, the Students can demonstrate different measurement technologies
and use of them in Industrial Components
TEXT BOOKS:
1. Jain R.K. “Engineering Metrology”, Khanna
Publishers, 2005.
2. Gupta. I.C., “Engineering Metrology”,
Dhanpatrai Publications, 2005.
REFERENCES:
1. Charles Reginald Shotbolt, “Metrology for
Engineers”, 5th edition, Cengage Learning EMEA,1990.
2. Backwith, Marangoni, Lienhard, “Mechanical Measurements”,
Pearson Education , 2006.