Engineering Metrology

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Engineering Metrology Notes on System of Limits, Fits, and Tolerances [PDF]

Before understanding the System of limits, fits, and tolerances, you need to have basic knowledge of what is a limit and what is Tolerance? However, I have explained in detail the Types of Fits. You can check it once. What is Limit? The variation permitted on the given dimension is called Limit. What is Tolerance? […]

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Engineering Metrology Types of Angular Measuring Instruments [PDF]

Angular Measuring Instruments are the devices that are used to measure the angle of the given specimens. Types of Angular Measuring Instruments: There are various types of Angular Measurements which are based on various standards, and those are the following: Line Standard Angular Measuring Devices Protractor Universal Bevel Protractors Face Standard Angular Measuring Devices Sine […]

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Engineering Metrology Linear Measurements: Definition, Standards, Methods & Instruments [PDF]

Metrology is defined as the science of measurements or the precision of measurements. Even it can be defined as the accuracy of measurements. The science which is dealing with measurements and their conditions is called measurement science or metrology. In this article, we will discuss Methods, Standards, and Instruments for Linear Measurements. But before that, […]

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Engineering Metrology Types of Measuring Instruments and their Uses in Engineering Workshop [PDF]

Measuring Instruments plays a vital role in the Engineering Workshop. The Instruments duty is to measure the given specimen according to the given dimensions. So in today's class, we will be discussing on Types of Measuring Instruments and their Uses in Engineering Workshop. In the last class, we had discussed Angular Measurements and Linear Instruments […]

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Engineering Metrology Vernier Caliper: Parts, Principle, Formula, Least Count, Range, Resolution, Applications, Advantages, and Disadvantages [PDF]

Vernier Caliper is used to measure the dimensions of the given specimen like diameter (Outer Dia and Inner dia), length and depth, etc very accurately that's the reason it is also called as Precision measuring Instrument. In the last class, we had discussed the concepts on Angular Measurements & Linear Measurements and in today's paper, we […]

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Engineering Metrology Sine Bar: Working Principle, Construction, Formula, Limitations & Viva Questions [PDF]

In the last session, we had discussed Marking and Measuring Tools used in Engineering Workshop. Apart from that, a detailed article on Working of Vernier Caliper was also discussed. But in today's article, we are going to study about Angular Measuring device called as Sine bar. In this paper we are going to cover the topics like Working Principle, Construction, Limitations […]

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Engineering Metrology Types of Fits: Clearance Fit, Transition Fit, Interference Fit [PDF]

Fit is defined as the degree of freedom of tightness between the mating parts in an assembly process, it is also defined as the relationship between the hole and the shaft during the Assembly is called Fit. In this article, we are going to discuss different types of Fits in a detailed way. The various parameters that can be included […]

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