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It is exposed that the A pillar is suspected to be out of shape in the Baoyan test in the M7.

2024-09-17 Update From: AutoBeta autobeta NAV: AutoBeta > News >

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Recently, the China Insurance Research Institute of Automotive Technology released the results of the China Insurance Automobile Safety Index (C-IASI) 2022. It is understood that a total of 14 models participated in the evaluation, including the ideal L9, Honda Civic, Lecker 09, brilliance BMW X5, AITO M7 and other popular models. PICC Research conducted four major tests for the above models, including "crashworthiness and maintenance economy", "occupant safety", "pedestrian safety" and "vehicle auxiliary safety".

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It is worth noting that in this evaluation, in the driver's 25% offset collision test, the M7 got the "A" evaluation of the upper cabin invasion, the "A" evaluation of the body structure, and the "A" evaluation in terms of anti-collision compatibility, but the comprehensive score of occupant safety in the car was "G". The result has also aroused a lot of heated discussion among netizens. Some automotive media even pointed out that the A-pillar of the Baoyan test in the M7 seems to have been deformed. It said: according to the China Insurance Research website, after the 25% offset collision, the front of the vehicle collapsed, and the connection between the A-pillar and the roof was suspected to have been obviously deformed. In the project evaluation of the driver's 25% offset collision test, the invasion of the upper part of the crew cabin only got the "A" evaluation, and the car body structure only got the "A" evaluation. Bloggers also pointed out that the AITO M5 and M7 models were optimized by original models such as Cyrus SF5 and Dongfeng scenery ix7. In the process of vehicle forward research and development and vehicle verification, the AITO brand may not be fully evaluated. However, in response to this statement, the customer service said that "the models are all developed by themselves and meet the safety standards of China Insurance Research."

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It is understood that the A-pillar of the automobile is the key part to support the structural strength of the automobile. When the vehicle collides in the front, it is first undertaken by the A-pillar, which is dispersed and transmitted to the whole car body. In the case of collision, A-pillar plays a great role, it must first ensure that it does not deform, in order to protect the integrity of the crew cabin, and then to transfer force. Therefore, in the vehicle collision test, the deformation of A-column is also regarded as an important index to test the safety performance of the vehicle. Therefore, the A-column of automobile is generally made of high-strength steel plate, and some models that pay more attention to automobile safety will also use ultra-high-strength thermoformed steel to make A-column.

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The topic has also attracted a lot of attention. Yesterday, a certified Huawei smart car solution engineer @ hit a stone on Weibo and said: "with everyone, 25% offset collision A-pillar deformed ≠ is not safe!" And A-pillar deformed ≠ A-column broken! Fracture and deformation are two completely different concepts, and we should not be tempted by "alternative interpretation". The order of ratings is G (excellent) > A (good) > M (general) > P (poor), it said. Among them, the in-car member safety index and its four sub-items, the boundary M7 all got G (excellent), as well as pedestrian safety index G (excellent) and vehicle auxiliary safety index G (excellent). As a whole, in terms of collision safety, the question M7 has all reached the highest safety standard G (excellent). The announcement results of the Institute of China Insurance Research can prove that there is no doubt about the protection of the safety of the crew cabin by the M7.

In addition, it said that from the evaluation criteria, driver injury assessment is the key evaluation item, which accounts for the largest proportion, and has the greatest impact on the overall rating. In the actual use of vehicles, the protection and safety of drivers is also the most important. Ask the M7 in this evaluation test, was able to get the G (excellent) rating is also due to adequate cab protection. After the collision in the real scene, the cab is not invaded by external forces, the space is intact to ensure the safety of the driver, coupled with the timely and correct opening of the airbag and side air curtain to improve the safety again. At the same time, it points out that the deformation of the A-column is due to the fact that the boundary M7 has made a certain safety optimization in the shape and structure of the whole vehicle. As the strongest part of the whole vehicle, the A-column has to bear and decompose the impact force of a large part in order to protect the cab. In addition, the Research Institute of China Insurance Research has also made a standard response that the deformation of the A-pillar is not a standard for judging whether the vehicle is good or bad, which clearly points out that the intersection of the A-pillar and the roof is not within the scope of the assessment index. secondly, the assessment indicators are concentrated in the vehicle and occupant cabin, as well as some parts behind the firewall.

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According to relevant data: M7 launched on July 4 this year, the new car positioning medium and large SUV, a total of three configuration models, the price range is 31.98-379800 yuan. As soon as the new car comes on the market, it is also highly expected. Huawei Yu Chengdong has asked the boundary M7 platform for many times. At the delivery ceremony of the first batch of M7 owners on August 24, Yu Chengdong said: "A friend told me that our car has a big disadvantage, that is, the price is too cheap, can you sell it a little more expensive." I hope that selling more expensive can reflect his identity, because he used to buy more than one or two million yuan and would not buy it so cheaply. After driving, I really felt that our car was very good value for money. In addition, Yu Chengdong also said that he eliminated the BMW at home with the M5 and the Porsche with the M7, and now the BMW and Porsche at home are no longer open. There are friends who are ready to buy BMW X5, GLS and even Maybach, and now they all ask him to buy the M7. Even after experiencing the Zero Gravity seat of the M7, the car was opened to the driver and the bosses sat by themselves. According to relevant data, the latest M7 sales in September were 4746, with a cumulative sales of 8514 in 2022, ranking 17th in monthly sales and 44th in annual sales among SUV.

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