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FAQ
- The tape measure is on, and the one below is centimeters. What's on the centimeter? Is it inch? But I say that an inch online is 3.33 centimeters, that way, an inch above, down to be a little more than three centimeters, but above down only about 2.5 centimeters, an inch is 2.5 or 3.3 ah? Why do people say 3.3 on the Internet and 2.4, 2.5 and so on?
- Usage method:Press the button on the tape tape at one hand and pull the head of the tape. You can pull it out and measure it.Reading method:1. direct reading methodWhen measuring, the zero mark of the steel tape measure is aligned with the measuring starting point, and the proper tension is applied to directly read the ruler scale corresponding to the measuring stop point.2. indirect reading methodIn some parts of the steel tape can not be used directly, can use the ruler or ruler, the zero alignment measurement, ruler and measurement direction; using tape to get a whole distance scale ruler or square, with more than a long amount of reading method.
- The stretching and winding principle of steel tape measure? The concave section is it. How to analyze it from mechanical angle?I do not know that you have played a small play like, is made of tin, was to go to school to play, about 20cm long, cross section is concave, usually straight, put it a shot in the arm, it rolled around the arm. Please explain it with mechanical knowledge!
- Pulling out is concave, but it's flat when retracted!It is made of concave, so as to have a certain rigidity when it is pulled outWhen it retracted, a trough flattened it, because the steel was elastic, so after pulling it out, it was still concave!Elastic deformation occurs at the mechanical angleCan be understood as a spring deformation occurs the same principle!
- Younger brother wants to buy helmet in Taobao. The tape measure is 57 centimeters. How much is the waistline ruler?
- 57/33=1 feet 727, about 1 feet 7
- What's the size of the 2 foot 9 pants on the tape measure?
- 1, 2 feet 9 pants is 38 yards.2. Conversion steps2.9*10=29 inch, 29+9=38 code3 size comparison table26 yards = 1.9 feet, waist 27 yards = 2 feet, waist 28 yards = 2.1 feet, waist 29 yards = 2.2 feet waist30 yards = 2.3 feet, waist 31 yards = 2.4 feet, waist 32 yards = 2.5 feet, waist 33 yards = 2.6 feet waist34 yards = 2.7 feet, waist 36 yards = 2.8 feet, waist 38 yards = 2.9 feet, waist 40 yards = 3 feet waist
- The method of repairing steel tape (I removed it, now the amount of parts can not be taken back)
- How can you open your ass?. No way to put it back. First roll the inner coil as tightly as possible. It's hard to do with hand, then put the two outer shell together and fasten it
- 5 meters of steel tape at home because of excessive pull out, the result is broken, shrink back. Apart to try inside the steel spring rollback rollback, but to a certain extent, it is a sound way. Is that structural damage, please? Can I fix it? How should I fix it? Thank youWhether this problem is not worth repairing scope, do not give an irrelevant answer!
- Spend 5 yuan to buy one!! Are worthless gadgets worth repairing? Fortunately, post asking this question
- I measured the height of the 183CM when barefoot in the school, but I always thought that I 183CM, yesterday to a friend's house to play, see a steel tape, is very curious and take it out. The amount of height, my 181CM, what this situation? Did I shrink when I was 15? How do you get that broken steel tape measuring 181CM? Still not allowed? Is that my school or this?.
- General rule of small expansion coefficient, measured relative accuracy, measured winter than summer high, it is not a ruler of expansion and contraction.
- What is not the same as the tape and tape scale! Here is the ruler of dough tape? Does the tape measure refer to the steel tape measure?
- From a measurement point of view, it must be a steel tape correctly. Because of its high strength and low elasticity, the measurement error is smaller. In formal measurement, it is necessary to use steel tape instead of leather tape. Said some of the popular, is the steel tape for you as long as the correct, regardless of his size, the error is very small, while the tape is different, too hard and some small hard there might be different. Actually, the steel tape will be more accurate. The cortex will have a certain extensibility because of the material. You will be more relaxed and loose than the result.
