The device of the caliper. The types, sizes and purpose of caliper

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2019-05-24 11:20:30

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In the process of execution of any works connected with repair in the house or flat, repair of vehicles, during construction operations, it is necessary to have measuring tools. Often most of the works are enough tape measures or rulers. For measurements of depths, diameters and other sizes will fit universal and more accurate measuring tool – this is the Vernier caliper. The device of the caliper is such that it can be used to measure any external and external dimensions. About it we will talk in our today's article.

How to construct a Vernier caliper

Main site – is a range, it is also a rod. Hence the name. Dividing the rod is often equal to one millimeter. Ruler length may be between 150 mm and above. The range defines the maximum which can be measured by the instrument. In this case, the maximum size – not higher than 150 mm. assigning caliperAt the end of the rod set of the sponge. They consist of two parts. The second part of the jaws mounted on the movable frame. This movable frame moves along the bar. Thus it is possible to measure the size of the part.

There are external sponge and internal. They differ from each other in the direction of the cutters. First stare outward, and the second - on each other. So, outer jaws to measure internal diameter and the second measured the outer dimensions of the object. For fixing the size of the device calipers required a special screw, which is located on the movable frame.

On the surface the main line you can see the integer value of the measured size. To Refine the result there are additional Vernier scale. It is located on the lower part of the movable frame. It has ten divisions – each of them is equal to 0.1 mm. There are models where you can get higher accuracy. To measure the depth in the device tool has a special tail-the depth gauge. It extends from rod.

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Digital calipers

Today, along with mechanical measuring tools in the market can meet and electron models. They are arranged in the same way. But there are small differences. Thus, the device of the Vernier caliper digital type has no traditional Vernier. movable frameInstead it provides a display, which reads the sizes. Often digital devices have a higher accuracy. They are able to measure with accuracy to hundredths of a millimeter.

Principal

There are 3 types of these instruments, as well as 8 sizes. But this is only according to domestic Standards and regulations. The measuring tool is divided according to the type of indicator, which shows the numbers of dimensions. There are models of Vernier, dial Vernier caliper and digital solutions.

Each type is also divided into subtypes depending on what the design of the main line and its length. In addition, you can classify tools and the materials of construction for a particular model. So, in hard metal is made SCT-1. The types of calipers are distinguished according to the type of jaws and the presence of additional devices. For example, SHC-1 and SHC-3 are distinguished by the position of the measuring jaws. In the first case they are located on two sides, and the second – only one. The device caliper SHC-2 is slightly different from the previous element. The tool has a special frame with a micrometer feed. It makes it easier to work on the markup in that case, if the measurement is to be transferred to other plane.

Caliper SHC-1

This tool is the simplest and most popular model, which is used in everyday life and in industrial production. Masters called this caliper ‘Columbia”. This name was given to him by a firm producing, measuring and other instrument in time of war.

This tool is suitable for measuring internal or external dimensions, of depth. With regard to measurement intervals and accuracy, it's dimensions from 0 to 150 mm with accuracy up to 0.02 mm.

Shpts-1

Under this offers digital marking device. They, as already noted, nothing constructive from mechanical instruments do not differ, except for the electronic measuring unit and a digital indicator. As for intervals, it also allows you to measure dimensions in the range from 0 to 150 mm. But due to the digital module, the accuracy is much higher. caliper scribingThe Comfort from the use of an electronic device that at each point of measurement you can set the indicator to 0. By pressing a small button switch measurement system – for example, metric to inch and back.

Before the acquisition of the electronic models, it is important to pay attention to the indications when the sponge of the device is reduced. Also, when tightening the locking screw, the screen should be no jumping of numbers.

SHTSK-1

A Feature of this design is a rotatable dial indicator having a circular dial.Vernier caliper price Scale indicator has a scale of 0.02 mm. These tools are also very handy for regular a standard measurement in the industry. The indicator is good becausehis arrow is clearly visible. This allows you to instantly monitor the results of the measurements. Also the arrow does not jump, unlike electronic counterparts. These tools are particularly useful for departments of technical control, which often make standard measurements.

SHC-2

These models are used for measuring internal and external dimensions. This option is also used as a caliper marking. Sponges have a carbide nozzles. This protects them from wear and tear. The instrument can measure any size in the range from 0 to 250 mm Accuracy 0,02 mm.

SHC-3 and shpts-3

If you want to measure great detail, this model is ideal for this. This tool is much more accurate than other counterparts. Mechanical products have a standard accuracy of 0.02 mm, and a digital - to 0.01 mm. Maximum dimension sizes – 500 mm. the jaws are pointing down. Their length can reach 300 mm.

Special calipers

Along with the universal instruments there are special models that use only a narrow range of measurements. dial caliperIf you can meet in the sale of such caliper, its price will be very high – from three thousand roubles.

  • SCCT is designed to measure parameters of the pipes. This pipe caliper.
  • SCCV used to measure internal dimensions. It is equipped with a digital display.
  • SCZN – a similar tool, but designed for the size of the interior.
  • SCPU – digital universal measuring tool. It comes with a set of nozzles for hard to reach places. The purpose of the caliper-the measurement center distance, thickness of the pipe wall, the outer and inner diameters.
  • SCCD – a device for measuring thickness of brake discs and similar components. It has various special tabs.
  • SCCP – this tool is used for measurement of residual tread depth of tyres of the car.
  • SCCM is intended only for measurement center-to-center distance.

How to use a Vernier caliper

The First thing the tool check – sponges are mixed together, and then control the accuracy of their closure. There should be no gaps. Then take the caliper in one hand, a detail that will explore – to another. To measure the external size, the lower jaw and have bred between them detail. Then squeeze the sponge until they are in contact with the surfaces of the parts. Then, you can check how settled sponge. Size precision is high, when they are located at equal distances from the workpiece. Then, if necessary, fix the screw. Further detail of the delay, and the tool take to get the result. caliper deviceIf the calipers – marking, its jaws can apply the necessary dimensions directly on the surface of the part. Jaws made of hard alloys, and they can make notes on steel and similar alloys.

How to remove results measurements

First, count the number of millimeters. The post find the division closest to the zero on the Vernier. SHC 1Then calculate the fraction of millimeters. On looking for the Vernier division coincides with a division on the rod. This will be an indicator measurements.

Conclusion

This is a versatile tool that is a must have for any DIY enthusiast. For home you can buy electronic calipers. The price of domestic products mechanical begins with five hundred rubles. Electronic model calipers offered at the price of one and a half thousand rubles.


Article in other languages:

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DE: https://tostpost.com/de/gem-tlichkeit/33092-das-ger-t-messschieber-arten-abmessungen-und-verwendungszweck-messschi.html

ES: https://tostpost.com/es/la-comodidad-del-hogar/32967-el-dispositivo-de-di-metro-tipos-tama-os-y-asignaci-n-de-di-metro.html

KK: https://tostpost.com/kk/domashniy-uyut/33730-ryl-y-shtangencirkulya-t-rler-lshemder-zh-ne-ta-ayyndau-shtangencirkul.html

PL: https://tostpost.com/pl/komfort-domu/34779-urz-dzenie-suwmiarki-rodzaje-wymiary-i-przeznaczenie-suwmiarki.html

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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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