Recently, the exposure on the network a group of photographs, the photograph shows one flies spend column of B of around door along with one case by " pull " come down, see below reason of unidentified traffic accident photograph of this group of accidents lets a person feel really unimaginably queer.
From the point of the photograph of trouble spot, of this white fly degree of left around door and B column had departed thoroughly with automobile body, door resembling is torn off, is not to disconnect, deputy driving safe gasbag has been played entirely piece, at present still the casualties circumstance of the member that not witting car mies wife.
Message spread fast, and the discussion of the security that spends about flying also is on the net scamper boil, it is to fly after all the question that spends automobile body quality, or is driver operation undeserved at that time and is rapid rate brought about?
To this matter, the netizen says on small gain, this Ben Tianfei spends what flank blew roadside to protect column at that time, door B column produced later " pull completely " the circumstance that come down.
2014, the Ben Tianfei in C-NCAP collision test of home spends the opinion that obtained 5 stars, and in the E-NCAP that is in Europe, fly degree also obtained small-sized car group to fasten optimal. Nevertheless everybody knows, c-NCAP has all along " 5 stars are wholesale factory " say, and European E-NCAP test flies mediumly degree, also not be domestic version. As the small-sized car of a 100 thousand less than, ben Tianfei is spent perfection cannot be being achieved in safe respect also is of course, but what people worries most is homebred still decrease compound a problem, no less than considers region with what be this cropland, it is worth while that column of the B in the test that grinds in middleman and guarantor is bumped to rupture people is thoughtful.
The data on the network shows, flying to what column of B of the edition outside sailing across the sea uses is 1500Mpa inside, outside bag 780Mpa rolled steel + 590Mpa steel, at the same time bridge of coping of connective of coping B column, steel of use 980Mpa extra high strength + the design of 780Mpa rolled steel, bottom B column and doorsill 1500Mpa join. Fly spend column of homebred edition B to simplify greatly, 1500Mpa heat is used into profiled bar outside B column, 590Mpa rolled steel is inside B column, coping bridge has and have 590Mpa rolled steel only.
And besides B column rolled steel, domestic and international version flies to other place spending is to having a lot of difference likewise, it is existence however " decrease match " , go up in Chinese market and did not violate any regulations, the standard that wants to be able to blame China only quite wants under Euramerican.
Write finally
B column is the basiccest safe structure that flank of car beat back collides, because flank;burst;ulcerate;festers,shrink the area is small, when car flank is bumped, only joist support of column of door, B, below gets outside force, because the position is inferior,play side bar among them great majority collides together finally most cockpit of protection of line of defence is not torn off by pretty force. And in general profile accident, protective driver is the basiccest also be hardware of last line of defence, it is door and B column.
Middleman and guarantor ground last year announce the first batch checked model result moment 2018, column of the B in collision of this flank of Tian Sai region is bumped to rupture caused heat to discuss, think of region to also collide because of this flank one column gives directly took " difference is judged " . After all, before speed, iron sheet is weak be like paper, still hope everybody drives slow point, manufacturer quality conscience is nodded.
