Engineering Metrology

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Comparators

Sunday, 11 September 2016

Comparators are the devices which are used to find only dimensional difference between the actual manufactured component and standard or master componen...

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Errors in Threads

Errors in screw threads are related to the five elements of the screw threads. They are major diameter, minor diameter, pitch diameter...
Hole Basis system and Shaft Basis System

Hole Basis system: If the system of assembly of shaft and hole is consisting of basic hole, then that type of system is known as Hole Basi...
Comparators

Comparators are the devices which are used to find only dimensional difference between the actual manufactured component and standard or ma...
Basic Hole and Basic Shaft

Basic Hole: If the lower limit size or minimum size of hole is equal to the basic size then that type of hole is known as basic hole for a...
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Fit is defined as a degree of tightness or looseness between two mating parts to perform definite function when they are assembled tog...
Screw Thread Metrology

A Screw Thread Metrology deals with the measurements of the threads. To understand what are the measurements we can take from screw t...
Basic terminology for understanding the limits by conventional diagram

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Sine bar

Sine bar is an instrument which is used for measuring smaller taper angles. Here taper means slant(inclined). So, the smaller angles are de...
Measurement of Minor diameter of External and Internal Threaded component

Minor Diameter of External Threaded component: The minor diameter of external threads can be determined by using a special type ...
Measurment of Pitch:

A pitch value a screw thread can be measured in so many ways like by using screw pitch gauges, screw plug gauges and also by Tool Mak...

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