Syllabus
|
Course Code: Elective-III MTIP-110 Course Name: Metrology |
||
| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
|---|---|---|
| 1 | Introduction to metrology: Definition, types, need of inspection, terminologies, methods of measurement, selection of
instruments, measurement errors, units, Measurement standards, calibration, statistical concepts in metrology. Systems of Limits and Fits: Introduction, nominal size, tolerance limits, deviations, allowance, fits and their types – unilateral and bilateral tolerance system, hole and shaft basis systems – interchangeability and selective assembly. Indian standard Institution system – British standard system, International standard system for plain and screwed work. Limit Gauges: Taylor’s principle – Design of limit gauges, computer aided tolerancing. |
|
| 2 | Linear Measurement: Length standard, line and end standards, slip gauges – calibration of the slip gauges, dial
indicator, micrometres. Measurement of angles and tapers: Different methods – bevel protractor – angle slip gauges –
spirit levels– sine bar – sine plate, rollers and spheres. Flat Surface Measurement: Measurement of flat surfaces – instruments used – straight edges– surface plates – optical flat and auto collimator. Optical Measuring Instruments: Tool maker’s microscope and its uses, collimators, optical projector, optical flats and their uses, interferometer. |
|
| 3 | Surface Roughness Measurement: Introduction, terminology, specifying roughness on drawings, surface roughness
parameters, factors affecting surface roughness, ideal surface roughness, roughness measurement methods,
precautions in measurement, surface microscopy, surface finish softwares. Screw Thread Measurement: Elements of measurement – errors in screw threads – measurement of effective diameter, angle of thread and thread pitch, profile thread gauges. Measurement through Comparators: Comparator: Features of comparators, classification of comparators, different comparators, advanced comparators, thread comparators. |
|
| 4 | Metrology of machine tools: Alignment and practical tests. Gear Measurement: Gear measuring instruments, gear tooth profile measurement, measurement of diameter, pitch, pressure angle and tooth thickness. Advanced Metrology: Advanced measuring machines, CNC systems, Laser vision, In-process gauging, 3D metrology, metrology softwares, Nano technology instrumentation, stage position metrology, testing and certification services, optical system design, lens design, coating design, precision lens assembly techniques, complex opto mechanical assemblies, contact bonding and other joining technologies. |
|
