METROLOGY
Syllabus:
- Introduction to linear measurement
- Introduction to angular measurement
- Introduction to surface measurements
- Linear Measuring Inurnments – Vernier Caliper, Micrometer, Inside Micrometer, Vernier Height gauge, Depth Gauge and Slip Gauge.
- Angular Measuring Instruments – Universal Bevel Protractor, Sine Bar.
- comparator- Mechanical comparators and Pneumatic comparators.
Exercises:
I. Linear Measurements:
- Determination of the thickness of ground MS flat to an accuracy of 0.02mm using vernier caliper.
- Determination of the diameter and length of a turned cylindrical (turned in lable exercise) to an accuracy of 0.02mm using vernier caliper.
- Determination of the inside diameter of a bush component to an accuracy off 0.02 using vernier caliper.
- Determination of diameter of a cylindrical component to an accuracy 0f 0.01mm using micrometer and check the result with digital micrometer
- 5. Determination of inside diameter of the bore of a bush cylindrical component to an accuracy of 0.01mm using inside micrometer
- Determine the heights of gauge blocks or parallel bars to accuracy of 0.02mm using vernier height gauge and check the result with digital vernier height gauge.
- Determine the depth of a blind bore component to an accuracy of 0.02mm using vernier depth gauge.
- Determine the thickness of ground MS plates using slip gauges
II. Angular Measurements:
- Determination of angle of v-blocks, dovetails in mechanical components using universal bevel protractor.
- Determination of angle of machined surfaces of components using sine bar with slip gauges.
- Measurement of V-Thread dimensions.
- Measurement of spur gear tooth dimensions.
III. Machine Tool Maintenance & Testing
- Dismantling and assembly of tailstock of lathe
- Dismantling and assembly of three jaw chuck
- Dismantling and assembly of four jaw chuck
- Dismantling and assembly of Bench vice
- Dismantling and assembly of D C Motor
- Dismantling and assembly of A.C. Induction Motor
- Dismantling and assembly of Hydraulic cylinders
- Dismantling and assembly of Directional control value
- Testing of lathe
- Testing of Horizontal milling machine
- Testing of Shaping machine
- Testing of Tool and Cutter grinder
- Testing of Pillar type drilling machine
- Testing of Radial Drilling machine
- Testing of Planning machine