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CENTRE OF EXCELLENCE. INDUSTRIAL TRAINING INSTITUTE KUBERNAGAR. TRADE:PMBT. MODUL:1. MODUL:1: BASIC FITTING AND MEASUREMENT PREPAIRD BY: JITENDRA PARMAR. LESSON NO: 1 METROLOGY
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CENTRE OF EXCELLENCE INDUSTRIAL TRAINING INSTITUTE KUBERNAGAR TRADE:PMBT MODUL:1
MODUL:1:BASICFITTING AND MEASUREMENT • PREPAIRD BY: JITENDRA PARMAR
LESSON NO: 1 METROLOGY METROLOGY is define as a measurement of length and angles and other such quantities which are expressed in linear and angular measurement.
IMPORTANTCE OF METROLOGY • To achieve quality control in production • To achieve up to date production, knowledge of The measurement require. • To reduce rejection with the help of quality control. • To develop inspection procedure . • To calibrate measuring instrument time to time
TERMS USED IN METROLOGY • SPECIFICATION: Every product and part have some certain characteristics .It gives certain thoughts of that particular product. Its called specification. It gives easy to understand production method. STANDARD : Standard is define as , it is a physical quantity which is established by higher authority or organization .This standard is reliable and acceptable to measure physical quantity. Ex. METER
LENGTH STANDARD THERE ARE TWO STNDARD SYSTEM TO MEASURE LENGTH 1.BRITISH SYSTEM: INCH,FOOT,YARD 2.METRIC SYSTEM: MM,CM,METER