Unit 1 Introduction to Metrology

4 lecture hours

• Need & Scope of Metrology  Precision & Accuracy
• Readability, and Calibration  Standards of Measurement (Line, End, Wavelength Standards)

Unit 2 Linear and Angular Measurement

7 lecture hours

•  Vernier Calliper
• Dial Gauge
• Slip Gauges  Height Gauge
• Depth Gauge
• Combination Set  Sine Bar, Bevel Protractor
• Angle Gauges
• Autocollimator  Applications and Errors in Measurements

Unit 3 Concept of Geometrical Tolerances

6 lecture hours

•  Concept of Tolerance
• Types of Fits, and Allowances  Measurement of Straightness
• Roundness, and Squareness  Introduction to Coordinate Measuring Machine (CMM)

Unit 4 Measurement of Surface Roughness

5 lecture hours

•  Concept of Surface Finish
• Surface Texture Terminology  Parameters of Surface Roughness (Ra, Rz, Rq)  Surface Roughness Measuring Instruments (Stylus Profilometer)

Unit 5 Gear and Thread Measurement

5 lecture hours

•  Measurement of Spur Gear Parameters (Pitch
• Runout)  Gear Tooth Vernier and Base Tangent Method  Measurement of Thread Parameters (Pitch
• Effective Diameter)  Two-Wire & Three-Wire Method

Unit 6 Limit Gauges

4 lecture hours

•  Limit System: GO and NO-GO Gauges  Types of Gauges: Plug
• Snap, and Thread Gauges  Interchangeability and Selective Assembly  Gauge design

Unit 7 Transducers and Sensors

•  Definition and Classification of Transducers 4 10 Program Name: Engineering Level: Diploma Branch: Mechanical Engineering/Mechanical Engineering (CAD/CAM)/ Mechatronics Engineering Course / Subject Code: DI03000151 Course / Subject Name: Measurements and Metrology  Displacement
• Force, and Strain Measurement  Applications in Mechanical Systems

Unit 8 Temperature Measurement

3 lecture hours

•  Measurement of Temperature using Thermocouples, and Pyrometer  Infrared and Digital Temperature Sensors

Unit 9 Quality Control & Industry 4.0 in Metrology

4 lecture hours

•  Introduction to Digital Measurement Techniques  Role of IoT in Quality Control  Automation in Metrology & Smart Inspection Systems