ME 17 L2 : METROLOGY AND MEASUREMENTS LAB

Syllabus

1. Use of vernier caliper, micrometer, depth gauge and height gauge – source of error in
1. measurement ideas on range, precision and accuracy
2. Slip gauges and their use in linear measurements.
3. Ideas on tolerance allowance, limits, fits.
4. Dial gauges – their use in the measurement of small linear displacements, parallelism and concentricity.
5. Measurements using tool maker’s microscope – tool angles and tool wear.

6. Measurement of surface roughness – surface roughness parameters – surface finish evaluation using
perth-O-meter/ Talysurf
7. Standards for screw threads – Screw thread measurements using Universal Measuring
8. Microscope/Measuring Projector.
9. Use of measuring Projector to evaluate form error.
10. Microstructure studies using Metallurgical Microscope.
11. Lathe tool dynamometer – study and use of measurement of cutting forces in turning.
12. Milling forces – Milling parameters – measurement of milling forces in slab
13. milling operations.
14. Measurement of drilling thrust and torque using drill toll dynamometer.
15. Study of grinding wheel and grinding parameters – experiments in grinding.
16. Non-destructive tests.

Note : 50 % marks is earmarked for continuous evaluation, and 50% marks for end semester examination to be conducted by two examiners. A candidate shall secure a minimum of 50 % marks in the aggregate and 50 % minimum in the end semester examination for a pass