Use method and conversion method of soft ruler
1 m = 100 cm =3 feet (city scale) =30 inches (city inch)
1 ft = 100/3=33.3333 cm
Chest circumference 24 =2.4 feet =2.4*33.333? 80 cm
Waist circumference 23 =2.3 feet =2.3*33.333? 77 cm
2 1 inch = 0.7m = 70cm
metering method
The tape head is loose, so that we can measure the size. There are two ways to measure dimensions with a tape measure. One is hanging on the object, and the other is propping on the object. The difference between these two methods lies in the thickness of the iron sheet at the head of the tape measure. The function of loosening the tape head is to compensate the iron sheet at the tape head when the tape head abuts against the object.
Steel belt assembly composition
Steel tape measure consists of eight parts: shell, ruler body, brake, ruler hook, sling, ruler spring, anti-fall protective sleeve and label. The details are as follows
1, shell: ABS new plastic, shiny appearance; Anti-fall, wear-resistant, not easy to deform.
2. Ruler: 50# first-class strip steel with a thickness of 10 wire (0.10 mm); The ruler surface is the most advanced environmental protection paint: tasteless, smooth and wear-resistant, bright in color and clear in scale.
3. Braking: it has three-dimensional brakes at the top, side and bottom, which has a stronger sense of hand control.
4, ruler hook: rivet ruler hook structure, not easy to deform, to ensure more accurate measurement.
5. Belt lifting: rubber and nylon; High-grade quality; It's durable and feels good.
6. ruler spring: generally made of 50# carbon steel and 65# manganese: strong toughness and high precision.
7, anti-fall protective cover: high-quality plastic, to prevent falling and collision damage, enhance durability.
8. Labeling: Labeling can be produced according to customer requirements.
Main classification of soft ruler tape measure
Tape measure p? slow
[Tape] A tape measure made of varnished cloth and soft cloth, which is mainly used for construction site measurement.
steel tape measure
Steel tape measure can be divided into automatic winding tape measure, braking tape measure and swinging tape measure.
Other names: steel tape measure and steel box ruler.
Followed by fiber tape measure, that is, tape measure that we often see, many people say that it is cloth quantity, waist circumference ~ tailor quantity/clothing quantity all belong to this category. In southern China and Hongkong, it is usually called a soft ruler or ruler. Its material is PVC plastic and glass fiber, which can prevent the tape measure from being elongated during use. Gift rulers are used for advertising and promotion. Divided into steel tape measure (steel tape measure) and leather tape measure (PVC plastic fiber tape measure), usually cute and small.
Soft ruler mainly introduces that soft ruler is generally used when measuring or cutting clothes. Very soft, can be rolled up and carried, shaped like a belt, the top is easy to use, with metal sheets attached. It has two units, one is inches (there are inches and city inches) and the other is centimeters.
The main type of soft ruler is steel tape measure, followed by fiber tape measure, which is the tape measure that everyone often sees. Many people say it's cloth ruler, and waist ruler (tailor ruler/clothing ruler belongs to this category). In southern China and Hongkong, the tape measure is usually called a soft ruler or a ruler. Its material is PVC plastic and glass fiber, which can prevent the tape measure from being elongated during use.
Soft ruler, usually metric, with 150 cm on one side and 60 inches on the other. Inch is a commonly used unit of measurement abroad, and the size unit of TV and monitor is inch. Jeans are also measured in inches. In China, tape measures are often used in cities. One side is 150 cm and the other side is 45 inches. It is often said that 2 feet 1, 2 feet 2 waist, is the unit of city inch.
Material: PVC plastic and glass fiber
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