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Are auto makers cutting corners by replacing metal bumpers with plastic

  • Categories:Media coverage
  • Author:
  • Origin:
  • Time of issue:2018-12-17 10:39
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(Summary description)Everyone knows that cars are getting thinner and thinner, and the safety bumpers are actually made of plastic. Many people think that this is cut corners, and they also doubt the safety of plastic bumpers...

Are auto makers cutting corners by replacing metal bumpers with plastic

(Summary description)Everyone knows that cars are getting thinner and thinner, and the safety bumpers are actually made of plastic. Many people think that this is cut corners, and they also doubt the safety of plastic bumpers...

  • Categories:Media coverage
  • Author:
  • Origin:
  • Time of issue:2018-12-17 10:39
  • Views:
Information

Everyone knows that cars are getting thinner and thinner, and the safety bumpers are actually made of plastic. Many people think that this is cut corners, and they also doubt the safety of plastic bumpers. In the past, the bumpers of cars were made of metal. Since Fiat was the first to use plastic bumpers, other car manufacturers have followed suit. Will fragile plastics be safer than metals?

Plastic bumpers have been used in the automotive industry for many years. Nowadays, almost all the bumpers of family cars on the market use engineering plastic bumpers. In fact, plastic bumpers are indeed safer than metal materials. Although the metal bumper is crash-resistant, the energy absorption effect is not very good. When the vehicle collides, the metal bumper will transmit the impact force to the people in the car to a large extent, resulting in greater casualties. The plastic bumper deforms when it hits, which brings better energy absorption effect and reduces injuries to people in the car.

Car crash
Car crash

The plastic bumper is not only safer for people inside the car, but also safer for pedestrians outside the car. Compared with the impact of a metal bumper, when the car hits a pedestrian on the roadside, the impact force caused by the plastic bumper is smaller.

 

In October of last year, China Society of Automotive Engineers annual meeting of the National Advisory Committee powerful strategy, Ouyang Ming Gao professor at Tsinghua University as a representative issued the "energy-saving and new energy vehicle technology road map" of concern, including lightweight technology , including The seven major directions of energy-saving vehicles, pure electric and hybrid vehicles, fuel cell vehicles, intelligent connected vehicles and automobile manufacturing, power battery technology, and automobile manufacturing technology are written into the technology roadmap.

Regarding the goal of lightweight vehicle body, the roadmap proposes that from 2016 to 2020, the vehicle curb weight will be reduced by 15% from 2015, from 2021-2025 to 30% from 2015, and from 2026 to 2030 from 40% by 2015;

 

In addition to better safety, plastic bumpers have many advantages. The bumper made of plastic is much lighter than the metal, which reduces the quality of the car and brings better fuel consumption performance. Moreover, the plastic bumper is not easy to rust, which is more convenient for later maintenance and maintenance. The cost of plastic materials is lower than that of metal materials, and cars are becoming cheaper and cheaper now, which has a lot to do with the improvement of car materials. The use of plastic bumpers reduces the cost of the car, which is also a good thing for consumers.

Replacing metal bumpers with plastics is actually a great change in automobile production technology, which not only reduces costs but also brings better safety, which is beneficial to both car manufacturers and consumers. .

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