
It is hard to find out which measuring device is more accurate and precise, because of recent continuous development in technologies.
Continue reading Top-10 Accurate Mechanical Measuring DevicesIt is hard to find out which measuring device is more accurate and precise, because of recent continuous development in technologies.
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Mechanical engineering is not gendered specific, but it has one of the lowest females to male ratio compared to other engineering programmes(about 13.8%)
Continue reading Do industries prefer a girl as a Mechanical Engineer?Mechanical Engineering opens career options as Quality Engineer, Design Engineer, Maintenance Engineer, Production Engineer, Automation Engineer, Calibration Engineer, Thermal Engineer, and many more.
Continue reading Top-10 Mechanical Engineering Industries in India with current Job OpeningHere are some most commonly used mechanical instruments for measurement in industries. Without these instruments, I don’t think any quality process is possible.
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Vernier Caliper is a widely used linear measurement instrument with the least count of 0.02 mm. It is used to measure linear dimensions like length, diameter, depth.
It is a Basic Instrument of measurement, consisting of two types of scale
The main scale and the Vernier scale can slide along the main scale. Two types of measurement we can do, the first one is through the external jaw (measure external dimensions) and another one is the internal jaw (measure internal dimensions).
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External Micrometer is also known as Outside Micrometer or External Micrometer.
It is used to check the outside diameter of the circle by the means of the accuracy of 0.01 mm or up to 0.001 mm.
Vernier type Micrometer gives highest acceptable accuracy of 1 micron such gauge is vernier type micrometre.
1. Usually Micrometer is more accurate and precise than a Vernier calliper
2. Measurement range of micrometre is 25 mm while the vernier calliper has a wide range.
3. You can check depth by vernier calliper but in case of micrometre you have to use Depth Micrometer
4. Inside Micrometer is used for measurement of inner diameter but in the case of vernier calliper, it is checked by the internal jaw.
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A steel scale is a single piece linear measuring instrument. The steel scale indicates two units that are cm and inches, cm division on one side and inches, on another side.
Vernier height gauge used to measure vertical dimension from reference ground. Vernier Height Gauge consists of a graduated scale or bar that is held in a vertical position by a finely ground fixed base.
The graduated scale has the least count of 0.02 mm as Vernier Caliper has. And the way of taking a reading of measurement in Vernier Height Gauge is the same as in Vernier gauge.
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Vernier Depth Gauge as the name suggests is used to measure the depth from the surface of reference of an object. Vernier calliper also has a depth bar but this can not be used as the standard measurement.
A simple protractor is a basic device used for measuring angles with the least count of 1° or ½°. Bevel Protractor is an angular measuring instrument capable of measuring angles with a least count of 5’.
The protractor dial is graduated in degrees with every tenth degree numbered. The sliding blade is fitted into this dial I.e. it may be extended to either direction and set at an angle to the base.
The dial indicator or the Plunger dial gauge is one of the simplest and the most widely used mechanical comparators.
First of all the use of plunger dial gauge is used to compare work-pieces against a master
Lever Dial Gauge is also known as Test Indicator. It is used to measure sensitive contact.
The Lever Dial gauge usually measure up to 0.80 mm. But some special type lever dial design for measurement up to 2 mm.
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A ruler can be used to draw straight lines but there is no guarantee that the line is drawn is accurate and exactly straight, this is where the engineering square is brought into use.
An engineering square also known as a machinist square is similar in size and construction to a try square.
It is a tool used for making straight lines and is used to measure angles.
In Industries where precise marking and firm holding of objects is required, V-Blocks play a major role and are extremely important metalworking jigs.
The construction had two clamps: a screw clamp and a U shaped handles like a clamp and a V-block.
The materials used are hardened tool steel and cast iron. The V-block is used as a locator and a centralizer.
It is mostly used to fit round or cylindrical objects tight and rigid for easy marking or cutting.
Gauges are derived from the French word”jauge” which means the result of the measurement. We are all aware that gauges are used to measure the thickness, size or capacity of something.
Likewise, radius gauges are instruments that are used to measure the radius of the object.
The radius gauge is combined with another gauge known as fillet gauge which in mechanics means a rounding of the part design
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