MM R 2013 Syllabus
ME6504 - METROLOGY AND MEASUREMENTS
UNIT I BASICS OF METROLOGY
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
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
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
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
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.
