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	<title>车聚网 &#187; 吃胎</title>
	
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	<description>网聚汽车人的力量</description>
	
	
	
	
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		<title>有哪些广为人知的汽车知识，其实只对了一小半 ？&#124; 聚侃</title>
		<link>https://www.autoju.com/2019/08/09/307605/</link>
		
		
		
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<blockquote style="white-space: normal; margin: 1em 0px; padding: 15px 25px; border-width: 0px 0px 0px 10px; border-left-style: solid; border-left-color: rgb(1, 110, 53); color: rgb(62, 62, 62); font-size: 13px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; line-height: 24px; font-family: 微软雅黑; top: 0px; vertical-align: baseline; background-color: rgb(239, 239, 239); box-sizing: border-box !important; overflow-wrap: break-word !important;">
<p dir="ltr" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 0em; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="font-size: 16px;"><span style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 0.5px; font-size: 14px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; overflow-wrap: break-word !important;">引</strong><strong style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; overflow-wrap: break-word !important;">言 |&nbsp;</strong></span><span style="letter-spacing: 0.5px; font-size: 14px; color: rgb(89, 89, 89);"><span style="color: rgb(89, 89, 89); text-align: justify;">你中招</span><span style="color: rgb(89, 89, 89); text-align: justify;">过几个？</span></span></span></p>
</blockquote>
<p style="box-sizing: border-box; text-align: justify; line-height: 2em;"><span style="color: rgb(89, 89, 89); background-color: rgb(255, 255, 255); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun;">据有关统计，超过50%的朋友在拥有自己的汽车之前基本没有了解过汽车知识，超过35%的车主表示买车后只希望换换冷却液和玻璃水，其他的养护工作能简化就简化。正因此，当我们被迫去恶补汽车知识时，总难免会遇到一些知识误区。</span><br/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">今天车聚君就带大家盘点下有哪些广为人知的知识误区，它们看似是对的，但其实只是对了一小半而已。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">一、<span style="color: rgb(89, 89, 89); font-size: 16px; box-sizing: border-box; font-weight: 700;">排气管发黑是因为烧机油</span></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); line-height: 2em;"><span style="color: rgb(89, 89, 89); font-size: 16px; text-align: justify;">可以肯定的是，烧机油是导致排气管发黑的原因之一。通常来说，汽车烧机油还伴随有以下特征：1、机油油尺刻度下降；2、冒蓝烟；3、火花塞烧黑，有积碳；4、在尾气排放口，有明显的呛鼻味道。</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/56921565328961.jpg" contenteditable="false" id="netease156532391926671" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">所以如果出现排气管发黑，我们应该再检查下其他特征是否出现。而单论排气管发黑的原因就有很多了，除烧机油外，以下问题都有可能引起。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/87091565328961.png" contenteditable="false" id="netease1565323919266955" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">简单归纳下，排气管发黑的根本原因在于不充分燃烧。要说明的是引起不充分燃烧的原因远不止我们上面所列举的四项，比如喷油嘴质量差、空滤堵塞、点火系统故障等都有可能引起这个问题。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">二、<span style="color: rgb(89, 89, 89); font-size: 16px; box-sizing: border-box; font-weight: 700;">吃胎是因为轮胎质量不好</span></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">吃胎指的是个别轮胎内侧或者外侧出现的不正常加速磨损现象。<br style="box-sizing: border-box;"/>引起吃胎的原因有很多，轮胎质量是其中原因之一。如果我们选择质量较差的轮胎，在使用一段时间后有可能出现不规则的全胎面吃胎现象，这一般是轮胎扭曲变形和胶质差导致的。</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/42441565328962.jpg" contenteditable="false" id="netease1565323919266735" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">但从日常情况看，引起吃胎的主要原因还是在轮胎气压、底盘转向机械机构上。为此，车聚君整理了一些常见的吃胎现象以及引起这种现象的原因。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/99001565328962.png" contenteditable="false" id="netease1565323919266422" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">从以上常见的吃胎现象和原因不难发现吃胎与轮胎的质量差并无直接关系，即便是很贵的车胎也有可能出现吃胎现象。<br style="box-sizing: border-box;"/>考虑到吃胎现象有很多种细分，想要解决吃胎没有万能方法。当然至少在保养的第一步上，我们可以通过控制好胎压、定期做好动平衡、在使用一定里程后调换四轮来解决或避免吃胎问题。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">三、<span style="color: rgb(89, 89, 89); font-size: 16px; box-sizing: border-box; font-weight: 700;">开慢车是造成堵车的最大根源</span></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">虽然遇到慢车会让人很火大，但其实这么理解不全对。有研究发现，造成堵车的主要原因是幽灵堵车现象。<br style="box-sizing: border-box;"/>幽灵堵车现象是因为驾驶员不良驾驶习惯导致的，细分下来，它有几种典型。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/18531565328962.png" contenteditable="false" id="netease156532391926670" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">下面这张动图很形象地描绘出了幽灵堵车现象。</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/8711565328963.gif" contenteditable="false" id="netease1565323919266154" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/80121565328964.gif" contenteditable="false" id="netease1565323919266685" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/62711565328965.gif" contenteditable="false" id="netease156532391926628" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">总之，开慢车是造成堵车的重要原因之一，但要说是不是最大根源还没有准确的定论。专家通过很形象的比喻把日常开车中很常见的坏习惯归纳在一起，如果要总结一句话，那就是不遵守交通规则才导致堵车的。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">四、<span style="color: rgb(89, 89, 89); font-size: 16px; box-sizing: border-box; font-weight: 700;">没天窗的车比有天窗的安全</span></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">汽车天窗根据尺寸和功能有很多分类，比如全景大天窗或者仅设计在前舱的小天窗等；又因为具备开启功能的天窗还会对车顶结构造成一定影响，安全性也会有所不同。<br style="box-sizing: border-box;"/>我们挑一个极端例子：可开启式全景天窗VS无天窗。<br style="box-sizing: border-box;"/>理论上，虽然全景天窗的车型会强化侧围结构，但开口空间处的支撑性还是会打折扣，它的安全表现是会差一些。<br style="box-sizing: border-box;"/>举个最简单的例子，全景天窗的车型发生异响和开启关闭故障的几率普遍较高，其原因与开口处横向支撑性不强有关。这就好比用栅栏还是用木板抵挡撞击一样，后者的变形自然要小一些。</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/94011565328965.jpg" contenteditable="false" id="netease1565323919266285" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">近些年IIHS的车顶静压测试在国内很火，这项测试的基本原理是使用刚性平板作为加载装置，对车辆一侧或两侧顶部施加准静态载荷，计算车顶最大承载力与车辆整备质量力的比值，以此考察车顶的承载能力。<br style="box-sizing: border-box;"/>如果想要对比天窗对汽车安全的影响，这项测试是最合适不过的。不过不论是国内自行进行测试还是IIHS官方测试，全景天窗版本极为少见，即便有天窗也多是小天窗。</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><img src="https://www.autoju.com/wp-content/uploads/2019/08/41851565328965.jpg" contenteditable="false" id="netease1565323919266404" style="box-sizing: border-box; border: 0px; vertical-align: middle; max-width: 100%;"/></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">▲有些车型在碰撞测试难度系数最高的25%小偏置碰撞中依然选择了全景天窗版本，说明了对全景天窗版本安全表现的信心。<br style="box-sizing: border-box;"/>总体来说，小天窗对汽车的安全性影响并不大，只不过会增加车辆异响的几率。特别是对以城市使用为主的车辆，其发生侧翻的可能性并不大。而且车顶本身不属于首要的结构受力件，除极特殊情况，对安全性不会起到决定性作用。<br style="box-sizing: border-box;"/></span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="box-sizing: border-box; font-weight: 700; font-size: 16px; color: rgb(89, 89, 89);">车聚小结</span></p>
<p style="box-sizing: border-box; color: rgb(68, 68, 68); font-family: helvetica, Arial, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, simsun; font-size: 18px; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; line-height: 2em;"><span style="font-size: 16px; color: rgb(89, 89, 89);">以上我们聊到了四种常见的知识误区。老话说，行百里者半于九十，大家愿意去了解汽车知识是好事，但知其一不知其二并不好，有时候甚至可能把我们带入了错误的结论处。大家看看，以上四点，您之前有误会过吗？</span></p>
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]]></description>
		<pubDate>Wed, 30 Nov -0001 00:00:00 +0800</pubDate>
		</item>
		<item>
		<title>揭开众泰T600“吃胎”之谜｜聚技</title>
		<link>https://www.autoju.com/2016/04/21/85148/</link>
		
		
		
				<description><![CDATA[<p><span style="font-size: 16px; font-family: 微软雅黑, &#39;Microsoft YaHei&#39;;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">引言 | </strong></span>这次，你准备死多少脑细胞？</span></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="line-height: 1.6; margin: 0px; padding: 0px; max-width: 100%; color: rgb(123, 12, 0); font-size: 16px; box-sizing: border-box !important; word-wrap: break-word !important;">近</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; line-height: 1.6;">日，论坛里闹得沸沸扬扬的众泰T600吃胎事件，让大家开始聚焦众泰这个善于借（chao）鉴（xi）的中国品牌。</span></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">众多帖子显示，T600在一万公里内，甚至6000公里时，后轮胎就出现严重磨损的情况。根据现阶段的分析结果，媒体舆论纷纷将矛头指向后桥的车轮定位参数。</p>
<p style="text-align: center; line-height: 2em;"><img data-s="300,640" data-type="jpeg" data-src="http://mmbiz.qpic.cn/mmbiz/T3aEEK52wZDgptLTE2ciczZrraNn2fot5sgJcDQ1ClkzSXiaCpdFC7oCRHhJu9vQGYP5Sh5az8vDQN66pbyibohXg/0?wx_fmt=jpeg" data-ratio="0.8938848920863309" data-w="" src="http://www.autoju.com/wp-content/uploads/2016/04/99891461203338.jpg" style="margin: 0px; padding: 0px; height: auto !important; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">那么，究竟是不是车轮定位参数造成了后桥吃胎？吃胎的真正原因是什么？有什么解决办法？</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车聚君愿意从以下技术角度来简析一下（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">如果感觉今天的文章过于烧脑了，请直接跳到文末，看车聚君对T600吃胎案例的解析</em>）。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: left; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">一、</strong><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">车</strong><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">轮并非完</strong><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">全垂直于路面</strong></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; line-height: 1.6;">大家在保养爱车时，4S店会检查四轮定位参数。利用车轮定位检测台，可以测量前后轮的定位参数。目前国内的主流车型， 一般检查和调整车轮前束、车轮外倾角和主销后倾角。通常在使用说明书中，标注有前后轮的定位参数。根据油箱油量以及车辆是否加载，该参数略有变化。</span></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; line-height: 1.6;"></span></p>
<p><img src="http://www.autoju.com/wp-content/uploads/2016/04/48141461203338.jpg" style="float:none;" title="q1.jpg"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车辆实际行驶时，轮胎不是完全垂直于路面的。举个通俗易懂的例子。滑雪时为了保持平衡，人的双脚一般脚尖向内、脚跟朝外，同时腿部呈人字形。车轮也一样，车轮的前端向内，后端向外，称为前束；轮胎的上端向内，下端向外，称为负外倾（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">内倾</em>）。把车轮的姿态想象成我们滑雪时双脚的姿势，就容易理解了。这样的车轮姿态，对抵抗侧向干扰、提高转弯时车辆的稳定有重要作用。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; line-height: 1.6;">车轮不是100%垂直于路面行驶，就会增加轮胎的磨损。所以具体选取多少角度十分重要。下面，车聚君将以专业角度，详细介绍车轮前束、车轮外倾、主销后倾的作用和设计要求。</span></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: left; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">二、前束V和前束角δV</strong></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; line-height: 1.6;">前束，指左右两侧车轮轮辋前端与后端的差值，如下图中，V=b-a。前束角，是轮迹线（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">车轮平面与地面的相交线</em>）和车辆纵向轴线的夹角。前束和前束角可以通过车轮轮辋半径换算。</span></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">负的前束，也可称为后束。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/12891461203338.jpg" title="q2.jpg" style="white-space: normal; float: none;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">▲ 车轮前束和前束角</em></em></em></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">适当的前束（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">常见在0～50’以内</em>），有以下优点：</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53); font-family: 宋体;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: pre-wrap; color: rgb(62, 62, 62);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53);">▎</span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong></span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong>车轮前束配合车轮内倾，可使轮胎内外侧的磨损均匀</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车轮前束+车轮内倾（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">即：负的车轮外倾</em>），是目前全球乘用车主流的设计理念。车轮前束，轮胎外侧磨损较多。下一节将介绍的车轮内倾，轮胎内侧磨损较多。所以两者配合合理，可以改善车轮的偏磨。如果大家的爱车，出现车轮偏磨严重的情况，很有可能是车轮前束或者外倾出现了问题，应尽快检测四轮定位参数。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53); font-family: 宋体;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: pre-wrap; color: rgb(62, 62, 62);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53);">▎</span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong></span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong>提高车辆的行驶稳定性</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车辆在行驶过程中，会受到侧向力的作用（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">比如侧风、转弯时的离心力等</em>）。通过轮胎变形，地面对车辆提供一个反作用力，维持车辆的平衡。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">对于轮胎、橡胶衬套等弹性元件，其刚度特性类似下图的曲线。当弹性件没有变形时，其刚度较低，可以提供的反作用力小。当弹性件有一定预变形，其刚度提高，可以提供较大的反作用力。所以车轮前束，使轮胎预先有一定的变形，当侧向外力施加到行驶中的车辆时，轮胎可以快速提供一个反作用力，保持车辆的稳定行驶。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/81491461203338.jpg" title="q3.jpg" style="color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; line-height: 32px; text-align: center; white-space: normal; float: none;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">▲&nbsp;弹性件刚度特性曲线</em></em></em></em></em></em></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53); font-family: 宋体;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: pre-wrap; color: rgb(62, 62, 62);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53);">▎</span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong></span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong>车轮跳动时，恰当的车轮前束变化，保证车辆实现不足转向特性</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">驾驶员打方向盘，保持一个角度。随着车速提高，如果车辆的转向半径R增大，称为过度转向；如果转向半径R减小，称为不足转向；如果转向半径R不变，称为中性转向。通常认为，操纵性良好的车辆，应具有适度的不足转向特性，保证车辆的行驶安全。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">理想中的车轮前束，随车轮跳动（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">即弹簧拉伸和压缩</em>）的变化，按照图3设计。当车辆右转向时，受离心力作用，左侧弹簧受压缩，右侧弹簧受拉伸。左前轮，弹簧压缩，左轮后束；右前轮，弹簧拉伸，右轮前束。前桥左右轮由于前束变化引起的转动，对车辆的转向有一定的抑制作用，车辆呈现不足转向特性。当后桥车轮前束随车轮跳动的变化与前桥正相反时，如下图曲线，可以使车辆进一步趋向不足转向。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">在设计普通乘用车底盘时，工程师致力于实现车轮跳动过程中如图3的前束变化。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/50461461203338.jpg" title="q4.jpg" style="color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; line-height: 32px; text-align: center; white-space: normal; float: none;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">三、前束V和前束角δV</strong></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车轮外倾角，指车轮平面与路面法向的夹角（下图所示）。外倾为正值，内倾为负值。负的车轮外倾角可以提高轮胎提供侧向力的潜力。但外倾或内倾会增加直线行驶时的轮胎磨损和滚动阻力，通过与车轮前束的配合，可以降低轮胎磨损。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">如图5的车辆，向右转向。车辆受到向左的离心力，左侧车轮承受路面垂向作用力Fz大于右侧车轮。因此左轮提供侧向力Fz的潜力大于右侧车轮，重点考察左轮。左轮负的外倾角，使轮胎与路面间产生更大的侧向力Fy，保持车辆稳定行驶。因此目前多数乘用车采用负的车轮外倾角，常见的车轮外倾角为0～-2°。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/image005.png" title="image005.png" width="300" height="316" border="0" hspace="0" vspace="0" style="width: 300px; height: 316px;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">▲ 车轮外倾角</em></em></em></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"><img src="http://www.autoju.com/wp-content/uploads/2016/04/16931461203338.jpg" title="q5.jpg" style="white-space: normal; float: none;"/></em></em></em></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">▲ 车轮外倾角对车轮侧向力的影响</em></em></em></em></em></em><br/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53); font-family: 宋体;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: pre-wrap; color: rgb(62, 62, 62);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53);">▎</span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong></span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong>主销</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车轮实际的转向，不是完全绕z轴，而是绕主销转动。与主销有关的参数较多，图6所示为与主销有关的运动学参数。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53); font-family: 宋体;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: pre-wrap; color: rgb(62, 62, 62);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; white-space: normal;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(1, 110, 53);">▎</span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong></span></strong></strong></strong></strong></strong></strong></strong></strong></strong></strong>主销内倾角σ及其相关参数</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">主销内倾角σ，在y-z平面内，主销与地面法线z向的夹角。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">主销偏移距rL，在y-z平面内，车轮接地面中心与主销延长线和地面交点的距离。当主销延长线和地面交点在车轮中心平面外侧，是负值。设计底盘时，尽量选择中性或者略微负值的主销偏移距，以便当两侧车轮制动力不平衡时，能够使车辆自动平衡。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">图7所示，左轮位于冰雪路面（<em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">附着系数低</em>），右轮在普通干燥路面上，进行制动。由于附着系数不同，右轮制动力远大于左轮制动力，车辆向右偏移。对于负的主销偏移距，普通路面上的右前轮，制动力与主销偏移距的乘积得到的力矩，使右前轮逆时针方向转动，抑制车辆向右的偏移，起到稳定车辆行驶姿态的作用。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">实现负的主销偏移距，需要将主销靠近车轮中心平面，这将占据轮辋及制动盘的安装空间，空间布局存在一定难度。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/41881461203338.jpg" title="q6.jpg" style="white-space: normal; float: none;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(79, 97, 40); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><em style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">▲&nbsp;主销偏移距的作用</em></em></em></em></em></em></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">在x-z平面内，主销后倾角τ为主销与路面法线z向的夹角。主销后倾偏移值no为，在车轮中心高度，主销与车轮中心的距离。设计主销后倾nK为，主销延长线与地面交点和车轮接地点中线的距离。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">此外还有一个参数，轮胎后倾nR，指车轮接地点受横向力中心与z向的距离。由于轮胎变形，轮胎侧向力受力点在轮胎前进方向靠后的位置。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">当车辆直线行驶时，如果车辆偏移，主销后倾会使车轮产生回正力矩，保持车辆直线前进。主销后倾越大，车辆直线行驶时，车轮回正性能越好；但与此同时，路面突如其来的侧向干扰对转向系统的影响也越显著。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: left; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="color: rgb(1, 111, 52); font-family: 微软雅黑; line-height: 24px; white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">四、众泰T600后轮吃胎问题</strong></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">通过不太清晰的网上照片，车聚君隐约感觉外侧轮胎磨损更为严重。这可能是车轮前束或者车轮外倾角过大引起的。 &nbsp;</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: center; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img src="http://www.autoju.com/wp-content/uploads/2016/04/47831461203338.jpg" title="q7.jpg" style="white-space: normal; float: none;"/></p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">车聚君特地查阅了网上公布的众泰T600四轮定位参数。从这张表可以看到，前后轮的定位参数正常，属于通常的范畴。但该参数是在车辆空载时测量的。如真如网上部分车主所言，在4S调整了四轮定位参数、做了动平衡之后，轮胎磨损问题依然严重，那极有可能是车辆有乘员和物品后，载荷增加，后轮的前束和外倾角远离了空载的数值。</p>
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; min-height: 1em; white-space: pre-wrap; color: rgb(62, 62, 62); font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Hiragino Sans GB&#39;, &#39;Microsoft YaHei&#39;, Arial, sans-serif; text-align: left; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">如果要解决这个问题，需要重新设计后桥结构，减小后轮跳动时，四轮定位参数的变化量。仅仅依靠目前免费更换轮胎的方法，治标不治本。</p>
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<p style="white-space: normal; text-align: center;"><img data-s="300,640" data-type="jpeg" data-src="http://mmbiz.qpic.cn/mmbiz/T3aEEK52wZAEODv8gqZvSiahTmxtN58Fia3pZXic9x3WPGmZAuVibXQgLhice8aCmYuPLdvVZIG9hwVWricg8y03GUVQ/0?wx_fmt=jpeg" data-ratio="0.6169064748201439" data-w="" src="http://www.autoju.com/wp-content/uploads/2016/04/63341461203338.jpg" style="line-height: 32px; margin: 0px; padding: 0px; max-width: 100%; height: auto !important; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"/></p>
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		<pubDate>Wed, 30 Nov -0001 00:00:00 +0800</pubDate>
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