Course on Mechanical Measurements and Metrology
About Course
Metrology is the scientific study of measurement which comprises the administration of measuring instruments, application for units of measurement, and testing procedures which are commonly established in either engineering or according to standards. The purpose is to provide accurate and reliable measurements for engineering application as Metrology provides the science, techniques, and precision measuring devices that are used to determine if parts or features of parts fit within the tolerances and dimensions specified for the part.In order to thoroughly grasp the concept of measurement technically, metrology is divided into two subfields. These two subfields in metrology are: scientific or fundamental metrology, applied or industrial metrology. In the course both the field of measurements are incorporated so that engineers after completion of the course be familiar with the type of measurements, means of measurement and testing to be adopted in engineering according to the standards.
Course Content
Introduction to Metrology, Liner measurement and angular measurements
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Definition, objectives of metrology, Material Standards, Wavelength Standards, Classification of standards, Line and End standards, Calibration of End bars. Numerical examples.
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Slip gauges-Indian standards on slip gauges, Adjustable slip gauges, Wringing of slip gauges, Problems on building of slip gauges (M87, M112), Measurement of angle-sine bar, Sine centre, Angle gauges, Optical instruments for angular measurements. Autocollimator-Applications for measuring straightness and squareness.
System of Limits, Fits, Tolerance and Gauging, Comparators
Measurement of screw thread and gear, Gear tooth Measurements
Measurement system and basic concepts of measurement methods
Transducers, Intermediate Modifying and Terminating Devices
Applied mechanical measurement, Measurement of strain and temperature
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