推荐回答(2个)
花纹种类比较多,大概有6种,轮胎花纹怎么选应根据不同车辆性能和购买侧重点去选择花纹类型。轮胎的纵向花纹是根据轮胎圆周排列的花纹。一个轮胎通常有数条;这种适用于在清洁、良好的硬路面上行驶。例如轿车、轻型卡车和小型货车可以选择该花纹。
横向花纹与纵向花纹相比,该类型是纵向断开,横向连续。该设计使轮胎具有较大的横向刚度,良好的摩擦和制动效果。适用于一般硬路面上,牵引力较大的中型或重型货车。

轮胎花纹注意事项
应根据车辆用途经常使用的路况和车速来选择比较合适的花纹轮胎。对于在一般硬路面上中速行驶的车辆,货车和客车等宜选用横向花纹或纵横兼有花纹轮胎;对于经常在高速公路及良好的硬路面上行驶的车辆宜选用散热性好、横向稳定怀强的纵向花纹和纵横兼有花纹轮胎。
为了预防“滑水现象”带来的危害,影响滑水临界速度的因素较多,经常在高速公路上行驶的轿车,在有条件的情况下,应尽量选择抗滑水轮胎.这种花纹的主要特点是,在胎面中部设计出宽大的排水沟(主沟),在轮胎与路面之间形成较大的排水空间。
一、轮胎花纹作用大
轮胎花纹的主要作用就是增加胎面与路面间的磨擦力,以防止车轮打滑,试想一下,没有花纹的轮胎是不是会摩擦摩擦似魔鬼的步伐,轮胎花纹用来提高胎面接地弹性,在胎面和路面间切向力(如驱动力、制动力和横向力)的作用下,花纹能产生较大的切向弹性变形,从而增强摩擦作用。
二、轮胎花纹的分类
1、普通花纹:
普通花纹又分为横向、纵向、纵横兼有花纹。横向花纹特点是胎面横向连续,纵向断开,因而胎面横向刚度大,纵向刚度小,适合于一般硬路面上、牵引力比较大的中型或重型货车使用;纵向花纹的共同特点是胎面纵向连续,横向断开,因而胎面纵向刚度大,横向刚度小,适合在比较清洁良好的硬路面,轿车、轻型和微型货车等使用;纵横兼有花纹在胎面中部具有曲折形的纵向花纹,在接近胎肩的两边制有横向花纹,应用范围广泛,既适用于不同的硬路面,也适宜和于轿车和货车。
2、越野花纹:
越野花纹的特点是花纹沟槽宽而深,花纹接地面积较小(约40%~60%),抓地力较大。根测试,在泥泞路上,同一车型的车辆使用越野花纹轮肿的牵引力可达普通花纹的1.5倍。越野花纹轮胎由于花纹块的接触压力大,滚动阻力大,在良好硬路面上长时间行驶会加重轮胎磨损,增加燃油消耗,汽车行驶振动也比较厉害,所以它适合在崎岖不平的道路、松软土路和无路地区使用。
3、混合花纹:
混合花纹是普通花纹和越野花纹之间的一种过渡性花纹。特点是胎面中部具有方向各异或以纵向为主的窄花纹沟槽,而在两侧则以方向各异或以横向为主的宽花纹沟槽。这样使混合花纹的综合性能好,适应能力强,既适应于良好的硬路面,也适应于碎石路面、雪泥路面和松软路面,附着性能优于普通花纹,但耐磨性能稍逊。目前,适用于一些货车和四轮驱动的乘用车。
另外还有如下三种花纹:单导向花纹,块状花纹,不对称花纹,一般适用于一些有特别需求的车型上。
三、轮胎花纹的深度
花纹过深,则花纹块接地弹性变形量大,形成的滚动阻力也就大,但不利于轮胎散热,花纹根部因受力严惩而易撕裂、脱落等。花纹过浅,影响其贮水、排水能力,容易产生“滑水现象”。为了确保花纹作用的有效性,世界各国都对轮胎花纹磨损极限制定了明确的法规。并在轮胎胎肩沿圆周的若干等份处模刻轮胎磨耗极限警报标记英文标记。当花纹块凸面磨损距离到花纹沟槽底部约1.6mm时,标记处的花纹已被磨平,故显露出窄横条状的光胎面,以此警示驾驶员,这个轮胎该换啦。
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