What is the skeleton of the umbrella made of?

Umbrella ribs refer to the ribs that support umbrellas. In the past, umbrella ribs were mostly made of wood and bamboo. Later, there were iron bones, steel bones, aluminum alloy bones (also known as fiber bones), electric bones and resin bones. Most of them appear in the form of shrinking bones, which are light and easy to carry.

Steel skeleton is the most durable, not easy to break and has a long service life. Iron skeleton is hard and not easy to break, and has good wind resistance, but it is easy to rust after a long time. Aluminum alloy bone is light in weight and cheap in price. Chemical fiber bone is light in weight, durable and strong in wind resistance. Carbon fiber reinforced bone has light weight, average wind resistance and the highest price among all materials. Electric bone and resin bone are relatively light and portable, and are widely used in portable umbrellas at present. Their disadvantages are easy folding and poor windproof performance.

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The more ribs, the better?

The number of ribs is not fixed, but is adjusted according to different needs. There is no absolute statement about whether it is good or not. So the number of ribs is not necessarily as high as possible. The quality of an umbrella depends not only on the number of ribs, but also on what material it is made of.

The number of ribs can not directly identify the quality of an umbrella, but the more ribs, the rounder the umbrella surface, the more beautiful the ribs, the more ribs, but also the heavier. Generally, there are 6-8 ribs, up to 24 ribs, which are mainly used for straight umbrellas.

Generally, there are 6, 7 and 8 parasols, and we often see 8-bone steel bones. 8-bone 16 bone is widely used in umbrellas and umbrellas, but in order to reduce the cost, many umbrellas are now 7-bone. Six bones and seven bones are widely used in sunshade ultralight umbrellas, and most of them are aluminum alloy bones (fiber bones) and resin bones. However, the price of aluminum alloy bone' fiber bone' resin bone is relatively high, so it is often used in high-grade umbrellas. High-grade umbrellas pay attention to styles. When designing umbrellas, the umbrella type will be considered, and the number of ribs will not be considered to reduce the cost. Therefore, it is best to have more ribs for sun umbrellas, and the number of ribs is not necessary for ultra-light umbrellas that shade the sun.