ME3592 METROLOGY AND MEASUREMENTS
Prepared by
Er.NANDHAKUMAR (Admin)
Important questions
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Unit -1
1.Errors in measurements2. Measurements system analysis
3.gauging
Unit-2
1.measuring instruments
2.profile projector angular measuring instruments
3.measurement of gear
Unit-3
1. basic of tolerance
2.tolerance analysis
Unit-4
1.GD & T
2.Functionality of surface parameters
3.metrology parameters
Unit-5
1.lesers in metrology
2.CMM
3.on-line and in-process monitoring
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PART-C
1.Compulsory Questions {a case study where the student will have to read and analyse the subject }
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*These questions are expected for the exams This may or may not be asked for exams All the best.... from admin Santhosh
Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates ~$tuff$£ctorSYllabuS
UNIT-I BASICS OF METROLOGY
Measurement - Need, Process, Role in quality control; Factors affecting measurement SWIPE; Errors in Measurements - Types-Control-Measurement uncertainty - Types, Estimation, Problems on Estimation of Uncertainty, Statistical analysis of measurement data, Measurement system analysis, Calibration of measuring instruments, Principle of air gauging- ISO standards.
UNIT-II MEASUREMENT OF LINEAR, ANGULAR DIMENSIONS, ASSEMBLY AND 9 TRANSMISSION ELEMENTS
Linear Measuring Instruments - Vernier caliper, Micrometer, Vernier height gauge, Depth Micrometer, Bore gauge, Telescoping gauge: Gauge blocks - Use and precautions, Comparators - Working and advantages; Opto-mechanical measurements using measuring microscope and Profile projector Angular measuring instruments-Bevel protractor, Clinometer, Angle gauges, Precision level, Sine bar, Autocollimator, Angle dekkor, Alignment telescope. Measurement of Screw threads Single element measurements - Pitch Diameter, Lead, Pitch. Measurement of Gears-purpose - Analytical measurement-Runout, Pitch variation, Tooth profile, Tooth thickness, Lead - Functional checking-Rolling gear test.
UNIT-III TOLERANCE ANALYSIS
Tolerancing-- Interchangeability. Selective assembly, Tolerance representation, Terminology. Limits and Fits, Problems (using tables IS919): Design of Limit gauges, Problems. Tolerance analysis in manufacturing. Process capability, tolerance stackup, tolerance charting.
UNIT-IV METROLOGY OF SURFACES
Fundamentals of GD & T- Conventional vs Geometric tolerance, Datums, Inspection of geometric deviations like straightness, flatness, roundness deviations; Simple problems - Measurement of Surface finish - Functionality of surfaces, Parameters, Comparative, Stylus based and Optical Measurement techniques. Filters, Introduction to 3D surface metrology-Parameters.
UNIT - V ADVANCES IN METROLOGY
Lasers in metrology - Advantages of lasers-Laser scan micrometers; Laser interferometers-Applications- Straightness, Alignment; Ball bar tests, Computer Aided Metrology - Basic concept of CMM-Types of CMM - Constructional features - Probes - Accessories - Software - Applications - Multi-sensor CMMs. Machine Vision - Basic concepts of Machine Vision System - Elements - Applications - On-line and in-process monitoring in production - Computed tomography-White light Scanners.
Contact uS
*These questions are expected for the exams This may or may not be asked for exams
All the best.... from admin Santhosh
Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements
If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates ~$tuff$£ctorUNIT-I BASICS OF METROLOGY
Measurement - Need, Process, Role in quality control; Factors affecting measurement SWIPE; Errors in Measurements - Types-Control-Measurement uncertainty - Types, Estimation, Problems on Estimation of Uncertainty, Statistical analysis of measurement data, Measurement system analysis, Calibration of measuring instruments, Principle of air gauging- ISO standards.
UNIT-II MEASUREMENT OF LINEAR, ANGULAR DIMENSIONS, ASSEMBLY AND 9 TRANSMISSION ELEMENTS
Linear Measuring Instruments - Vernier caliper, Micrometer, Vernier height gauge, Depth Micrometer, Bore gauge, Telescoping gauge: Gauge blocks - Use and precautions, Comparators - Working and advantages; Opto-mechanical measurements using measuring microscope and Profile projector Angular measuring instruments-Bevel protractor, Clinometer, Angle gauges, Precision level, Sine bar, Autocollimator, Angle dekkor, Alignment telescope. Measurement of Screw threads Single element measurements - Pitch Diameter, Lead, Pitch. Measurement of Gears-purpose - Analytical measurement-Runout, Pitch variation, Tooth profile, Tooth thickness, Lead - Functional checking-Rolling gear test.
UNIT-III TOLERANCE ANALYSIS
Tolerancing-- Interchangeability. Selective assembly, Tolerance representation, Terminology. Limits and Fits, Problems (using tables IS919): Design of Limit gauges, Problems. Tolerance analysis in manufacturing. Process capability, tolerance stackup, tolerance charting.
UNIT-IV METROLOGY OF SURFACES
Fundamentals of GD & T- Conventional vs Geometric tolerance, Datums, Inspection of geometric deviations like straightness, flatness, roundness deviations; Simple problems - Measurement of Surface finish - Functionality of surfaces, Parameters, Comparative, Stylus based and Optical Measurement techniques. Filters, Introduction to 3D surface metrology-Parameters.
UNIT - V ADVANCES IN METROLOGY
Lasers in metrology - Advantages of lasers-Laser scan micrometers; Laser interferometers-Applications- Straightness, Alignment; Ball bar tests, Computer Aided Metrology - Basic concept of CMM-Types of CMM - Constructional features - Probes - Accessories - Software - Applications - Multi-sensor CMMs. Machine Vision - Basic concepts of Machine Vision System - Elements - Applications - On-line and in-process monitoring in production - Computed tomography-White light Scanners.