Basic Information Of Tape Measure

December 19, 2022

Basic Information Of Tape Measure

High quality tape measure is a commonly used measuring Tool in daily life. We often see Steel Tape, commonly used in construction and decoration, but also one of the essential household tools. Divided into fiber tape measure, tape measure, waist measure and so on. Luban ruler, wind and water ruler, text meter also belong to the steel tape.

The practical tape measure can be rolled up because the tape is equipped with a spring, when pulling out the length of the measurement, it is actually to lengthen the length of the ruler and the spring. Once the measurement is completed, the spring inside the tape measure will automatically shrink, and the ruler will also shrink under the action of the spring force, so the tape measure will be rolled up.
Characteristics of the
One, tape deformation is too large will not fail. Why didn't it fail; The winding in the tape measure is very long, and its completely relaxed to completely tight interval is very large. The whole trip of the tape measure includes it, and there is a margin at both ends, so the tape measure will not fail.
Two, there is no difference between pulling one meter long and pulling two meters long; The winding of the tape measure is very thin, and the deformation when it is tightened is also very small, so the reaction force is very small, and the change of force can not be felt when the ruler is stretched.
High Quality Tape Measure

calibration
Measuring tape and high quality measuring tape have the same metric scale, one centimeter of the tape is equal to one centimeter of the tape.
The opposite side of the tape measure is the market scale: city scale, city inch; The front of the tape measure is divided into two parts, one side is the metric scale (meters, centimeters), one side is the imperial scale (feet, inches).
The number on the tape measure
The numbers on the practical tape measure are divided into two rows, one row of numbers is centimeter /CM, the other row of numbers is inch, 1CM is about =0.3937 inches, 1 inch is about =2.54CM, so the number with the shorter distance between the two numbers is centimeter, the longer is inch, and the font of the number with the unit centimeter is also smaller than the inch, 100cm =1 meter, The common unit in use is centimeters.
Practical Measuring Tape

The "inner core" of a high-quality tape measure contains a small piece of steel that acts like a spring. It can also be thought of as the toy pistol trigger, which is used to "strike" the bullet with the small steel wire, when pulled out, it is bent by force, and after release, the external force (refers to the force of hand pulling, and the friction is small, less than the elastic force of the small steel wire) disappears, so it automatically springs back. The practical tape measure has a folding part at the front, which works to keep the tape stuck on the outside, so that it does not shrink in completely. At first, it is loose, and when it is pulled out, it becomes tight. After it is released, it should have a recovery process, so it automatically bounces back. That is, it is loose at the beginning, and when it is pulled, it is tight. There is an elastic force between it, and then it will spring back naturally.

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