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首页>>新闻中心>>常见问题>>汽车车身必须有足够的刚度和强度!

汽车车身必须有足够的刚度和强度!

来源:/ 日期:2019-09-20 发布人:admin
  现代车身主要采用承载车身设计,身体几乎熊装载在汽车的使用过程中,包括扭转、弯曲、振动和碰撞,等等,汽车帮助电动主说,因此身体必须有足够的刚度和强度,以确保车辆的使用和动态性能要求。
  Modern car body mainly adopts the design of load-bearing body. The body is almost loaded with bears in the use of the car, including torsion, bending, vibration and collision, etc. The main idea of auto help electric is that the body must have enough stiffness and strength to ensure the use and dynamic performance requirements of the vehicle.
  扭转刚度是汽车最重要的性能指标之一。合理的扭转刚度设计可以避免车身在多种工况下的可靠性、耐久性、振动、噪声等相关问题,使整车综合性能指标得到提高。
  Torsional stiffness is one of the most important performance indicators of autos. Reasonable torsional stiffness design can avoid the reliability, durability, vibration, noise and other related problems of the body under various working conditions, and improve the comprehensive performance index of the vehicle.
  实际上,机体的失效主要是由扭转疲劳引起的。当扭转刚度不足时,机体在外力作用下会产生较大的扭转变形。反复疲劳负荷局部弱项,就像折断筷子一样。
  In fact, the failure of the body is mainly caused by torsional fatigue. When the torsional stiffness is insufficient, the body will produce large torsional deion under the action of external forces. The local weakness of repeated fatigue load is like breaking chopsticks.
  什么原因导致车身变形
  What Causes the Body Deion
  什么样的车身能达到更高的扭转刚度?路尊汽车电动助力大师说,其实,除了使用高强度材料外,结构设计尤为关键。例如,当电动汽车的离体电池处于没有纵梁的区域时(即在电池区域的中央通道被切断),它的纵梁会比传统燃料汽车的弱,电池区域会整体变软。
  What kind of body can achieve higher torsional stiffness? Lu Zun auto electric power assistant master said, in fact, in addition to the use of high-strength materials, structural design is particularly critical. For example, when the isolated battery of an electric vehicle is in the area without longitudinal beam (that is, the central channel of the battery area is cut off), its longitudinal beam will be weaker than that of a conventional fuel vehicle, and the battery area will become weaker as a whole.
济南哪里有宝马汽车维修的
  关于扭转刚度的重要性,我们知道纯电动汽车非常重视轻量化系数,这是通过综合车身尺寸、质量和性能的性能数据得到的。轻量化系数越小,单位能量吸收指数的重量成本越低。在这个公式中,除了车辆的重量和车身尺寸外,唯一的“强度”指标是扭转刚度。
  Regarding the importance of torsional stiffness, we know that pure electric vehicles attach great importance to lightweight coefficient, which is obtained by synthesizing the performance data of body size, quality and performance. The smaller the lightweight coefficient is, the lower the weight cost per unit energy absorption index is. In this formula, except for the weight of the vehicle and the size of the body, the only "strength" index is the torsional stiffness.
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