Friday, September 12, 2014

The key is that there is a bomb, it precisely fits in the steering wheel. Pillow is a combination o

How does the airbag of the car and how to do it? | Interesnik
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Car conquered humanity. Over the past 30 years the number yan mcline of cars on the roads has tripled, and the increase in the number of vehicles has caused growth in the number yan mcline of accidents. Every year, 20 million are injured people, more than one million die on the road. This number is equal to the population of Barcelona.
The idea of the airbag at first glance seems simple, but in fact it is a subtle and complex mechanism, because from the moment of collision the pillow is only about 50 thousandths of a second to inflate and protect yan mcline the driver from the ejection through the windshield. This is a quarter yan mcline of the time it takes is one stroke of the wing hummingbird.
However, this is not all. If the airbag is not immediately deflate 0.2 seconds, it can destroy itself driver. How to make the airbag inflates at supersonic speeds and how to prevent the death of the driver from what should it be protected?
Vargada city in western Sweden. Here is a company Autoliv, the world's largest designer and manufacturer of bags, it produces a cushion for almost all cars on the international market, 3.5 million pieces per year.
However, engineers and manufacturers - are not the only heroes of this company. In hideaway room there is a group of "experts", without which the development of the airbag would be impossible. In the heart of the building group dedicated yan mcline staff is doing its job, forgetting about their own safety, with no complaints and moans they make everything yan mcline that falls on their heads.
Each mannequin is a complex electronic machine yan mcline and is worth 180 thousand dollars. Mannequins can be compared with cyborgs: their body is a system, replicating the human metabolism and simulates all of the key functions and structure of the human body: the skeleton, organs, nerves, and even the veins and arteries. They are crammed with thousands of sensors to record all the processes taking place in the human body at the time of the accident.
With these dummies Autoliv has developed a range of airbags, which reduced mortality among drivers and passengers yan mcline wearing seatbelts, a quarter. But manages to inflate the pillow in such a short period of time?
The key is that there is a bomb, it precisely fits in the steering wheel. Pillow is a combination of sensor, actuator, and a nylon pad. Bomb the real. The explosion is achieved in a controlled ignition of explosives, which have the form of pills. At the time of the explosion fills the air cushion at an incredible rate.
For various different models of cars set of pillows, and the design is constantly being improved. For each new design creates a three-dimensional virtual model, it is made with a prototype.
Nylon pad is cut with a laser and sewed on the automated sewing machine. Before testing the pillow on mannequins, it passes the preliminary test. Steel weight strikes the steering wheel to make sure that the pad will withstand the force with which

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