Engineering Report

Attached.

Running Head: ENGINEERING

1

Engineering
Student’s Name
Institutional Affiliation
Course
Date

ENGINEERING

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Contents
Introduction ……………………………………………………………………………………………………………………………….. 3
Basic Principles on Mfg. Metrology ……………………………………………………………………………………………….. 3
Legal metrology ………………………………………………………………………………………………………………………. 3
Inspection……………………………………………………………………………………………………………………………….. 4
Accuracy and precision …………………………………………………………………………………………………………….. 5
Standards of Measurement ………………………………………………………………………………………………………. 5
National physical laboratory ……………………………………………………………………………………………………… 6
Material standard ……………………………………………………………………………………………………………………. 7
Yard ……………………………………………………………………………………………………………………………………….. 7
Meter …………………………………………………………………………………………………………………………………….. 8
Subdivision of standards …………………………………………………………………………………………………………… 8
Limits, Fits, and Tolerance Distance Measurement Sensor ……………………………………………………………… 10
Fits ……………………………………………………………………………………………………………………………………….. 10
Terminologies used in Fits and tolerance ………………………………………………………………………………….. 10
Standard tolerances ……………………………………………………………………………………………………………….. 11
Linear measurements ………………………………………………………………………………………………………………… 11
Non-precision instruments ……………………………………………………………………………………………………… 12
Source of errors while using a steel ruler. …………………………………………………………………………………. 12
Precision instruments …………………………………………………………………………………………………………….. 12
Characteristics of linear measuring instruments ………………………………………………………………………… 12
Angular measurement ……………………………………………………………………………………………………………….. 13
Sine bar ………………………………………………………………………………………………………………………………… 13
Optical instruments for angle measurement……………………………………………………………………………… 13
Optical Measurement and Interferometry ……………………………………………………………………………………. 13
Optical interference ……………………………………………………………………………………………………………….. 14
Interferometry ………………………………………………………………………………………………………………………. 15
CMM and Miscellaneous Metrology Machine Tool Alignment and Machine Vision, Thermal Errors
Flexure, linear drives ………………………………………………………………………………………………………………….. 15
Machine Vision Thermal Errors………………………………………………………………………………………………… 15
Flexure…………………………………………….