Metrolgy and Measurements (MM)
METROLOGY AND MEASUREMENTS
BASICS OF METROLOGY
Introduction to MetrologyNeed of inspection
Various measuring system elements
Generalized measuring systems
Types of measuring instruments
Precision and Accuracy
Various characteristics (Static and Dynamic) of measuring systems
Errors & Types of errors
Standards and types of standards
LINEAR AND ANGULAR MEASUREMENTS
Linear Measuring Instruments & its typesVernier Caliper
Vernier Height Gauge
Vernier Depth Gauge
Micrometer
Inside Micrometer
Depth Micrometer
Thread Micrometer
Stick Micrometer
V anvil micrometer
Blade type micrometer
Bench micrometer
Groove micrometer
Digital micrometer
Slip Gauges
Comparators
Mechanical Comparators
Dial indicator
Reed type mechanical comparator
The Sigma comparator
Electrical comparators
Electronic comparators
Optical comparators
Pneumatic comparators
Fluid Displacement comparators
Limit gauges
Plug Gauges
Ring Gauges
Snap Gauges
Applications of limit gauges
Thread pitch gauges
Form or profile gauges
Radius and fillet gauges
Feeler gauges
Wire gauge
Gauge design & design procedure
Concepts of interchange ability and selective assembly
Angular measuring instruments & Types
Protractor, Vernier bevel protractor & Optical bevel protractor
Angle gauges
Sine bar, Sine Centre and Sine Table
Spirit Level
Clinometer
Auto-Collimator & its applications
Angle Dekkor & its use
ADVANCES IN METROLOGY
Basic concept of lasers & advantagesLaser Interferometers
Interferometer types
Single frequency DC interferometer system
AC laser interferometer
Michelson interferometer
Twyman-green specialization of michelson interferometer
Interferometer applications
Interferometric measurement of angle
Straightness – Alignment
Basic concept of CMM, Types of CMM (Constructional features – Probes – Accessories – Software) & Applications
Basic concepts of Machine Vision System – Elements – Applications.
FORM MEASUREMENT
Straightness measurementFlatness measurement
Thread measurement
Gear measurement
Surface finish measurement
Roundness measurement
MEASUREMENT OF POWER, FLOW AND TEMPERATURE
Measurement of ForceDirect methods
Equal arm balance
Unequal arm balance
Multi-lever Type
Pendulum Scale
Indirect methods
Electromagnetic balance method
Elastic force meter (or) Proving Rings
Load cells (Strain gauge load cell, Hydraulic Load Cell & Pneumatic load cells)
Spring balance
C-type Bourdon Tube
Bellows
Measurement of Torque
Torque Reaction Methods
Prony Brake
Torque Measurement using Strain Gauges
Optical Torque Measurement
Measurement of Power
Dynamometers
Mechanical Dynamometers
Eddy Current Dynamometer
Hydraulic or Fluid Friction Dynamometer
Transmission Dynamometers
Flow Measurement
Orifice Flow Meter
Venturimeter
Flow Nozzle
Pitot tube
Rotameter