改装知识——轮毂规格及选择
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">现在消费者针对改装车辆的第一个项目大概就是换上一组美美的加大铝圈了。铝圈跟轮胎一样，在改装时须注意许多规格，相信许多读者对铝圈的规格是一知半解，在本篇除了告诉读者选购铝圈的注意事项外，还要教你解读铝圈密码。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <STRONG><SPAN style="mso-spacerun: yes"> </SPAN></STRONG></SPAN><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">轮圈规格何其多，看清认明多用心</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">以往车辆大多配置铁圈，铁圈不但几乎没有造型设计可言（只能靠外部的铁圈盖来作花样），较重的重量也影响了车辆操控性，近乎密闭式的造型也让煞车的散热能力大幅降低，因此换组铝圈除了能带来立即性的视觉美观效果外，对于车辆操近控性及煞车散热性更是有大幅加分作用。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">以往换组铝圈可要花上不少钱，但随着铝圈制造技术的进步，现今消费者的标准已从早期的铁圈换铝圈，变成现在的铸造铝圈换锻造铝圈，甚至其他的两片式、三片式，还有更高档的镁铝合金、镁合金钢圈等。台湾的代工技术远近驰名，而铝圈制造技术绝对能排上世界前三强，有许多知名大厂品牌的铝圈都是在台湾代工生产。也因此在汽车百货大卖场量贩店中，数量最多的就是各式各样的铝圈了。铝圈有着令人眼花缭乱的各种造型，同时还有一堆让人看不懂的规格数据。小编便以实际图文的方式来解说，相信能让读者有更进一步的了解。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">直径与</SPAN><SPAN lang=EN-US style="COLOR: black">J</SPAN></STRONG><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">值</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">以</SPAN><SPAN lang=EN-US style="COLOR: black">17*7J</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">来说，</SPAN><SPAN lang=EN-US style="COLOR: black">17</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">指的是轮圈的直径，也就是大家说的几寸轮圈，而后方的</SPAN><SPAN lang=EN-US style="COLOR: black">7J</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">为轮圈宽度，大约是一寸，但必须视不同国家的认证规范而有不同长度标准。</SPAN><SPAN lang=EN-US style="COLOR: black">J</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">指的是轮胎和轮圈接触地方的形状，对轮圈与轮胎的气密性有很大影响。除了</SPAN><SPAN lang=EN-US style="COLOR: black">J</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">之外，还有</SPAN><SPAN lang=EN-US style="COLOR: black">C</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、</SPAN><SPAN lang=EN-US style="COLOR: black">JJ</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、</SPAN><SPAN lang=EN-US style="COLOR: black">JK</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、</SPAN><SPAN lang=EN-US style="COLOR: black">K</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">等，主要分别为凸起高度的不同，</SPAN><SPAN lang=EN-US style="COLOR: black">C</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">为最低，</SPAN><SPAN lang=EN-US style="COLOR: black">K</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">为最高。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><STRONG><SPAN lang=EN-US style="COLOR: black"> Offset</SPAN></STRONG><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（ＥＴ值）</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">选购轮胎应就自己需求而购买，若是不常开快对轮胎的抓地要求不高，那买全热熔胎也只是浪费钱。不要人云亦云，朋友花大钱买的好轮胎自己不见得需要用到，应就本身的驾驶技巧层次、环境需求等做选购，如此才能买到最具</SPAN><SPAN lang=EN-US style="COLOR: black">C/P</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">值的产品。而挑选时最应注意出厂时间，能买到愈新的胎愈好。另外，轮胎升级时应注意适用规格，若换装过大，胎面的轮胎可能会千万时速表不准等问题。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><STRONG><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN></STRONG><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">认识标章</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">通过该国的认证规定后，铝圈上便会打上该国的认证标章。日本为</SPAN><SPAN lang=EN-US style="COLOR: black">JWL</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、</SPAN><SPAN lang=EN-US style="COLOR: black">VIA</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、德国为</SPAN><SPAN lang=EN-US style="COLOR: black">TUV</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、美国为</SPAN><SPAN lang=EN-US style="COLOR: black">SFI</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">、中华民国为</SPAN><SPAN lang=EN-US style="COLOR: black">CIS</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">认证。基本上通过认证的轮圈，产品水准都有一定的保障，消费者可作为购买时的参考。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"> </SPAN><SPAN lang=EN-US style="COLOR: black"> <STRONG>PCD</STRONG></SPAN><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">值与孔位</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">孔位指的是轮圈固定时需要使用几颗螺帽（螺丝），一般为</SPAN><SPAN lang=EN-US style="COLOR: black">4</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">孔或</SPAN><SPAN lang=EN-US style="COLOR: black">5</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">孔（</SPAN><SPAN lang=EN-US style="COLOR: black">Smart</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">为三孔）。</SPAN><SPAN lang=EN-US style="COLOR: black">PCD</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">值则是将这些螺丝孔中心点想连形成圆圈直径。目前常见轮圈上有多种孔位设定，就是为了对应不同的</SPAN><SPAN lang=EN-US style="COLOR: black">PCD</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">值而设计的。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"> </SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> </SPAN><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">锻造与铸造的差异</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">目前铝圈的制造方式可分为铸造与煅造两种。铸造的生产方式为将合金原料经高温熔成液装后，再倒入事先铸好的模具内成形。而锻造为将合金原料加温至可塑温度（接近液状前的温度），再利用事先铸好的模具直接加压成形。铸造铝圈成本较低，且模具制造容易，因此可以有相当多变的造型，但因分子密度较大（排列较松散）而刚性较差，重量也偏高。锻造与铸造型改变不易，因此衍生出两片式、三片试等组合而成的铝圈产品。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"> </SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> </SPAN><STRONG><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">购买须知</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: ' '"> <SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '">购买铝圈第一件事当然便是要知道自己车辆的适用的轮圈规格，之后再针对可用于自身车辆的轮圈外观做选择。要注意升级时最好以一级为主，能避免重拖及磨损到车辆机件的问题。行驶一段时间后要检查平衡铅块、螺帽（螺丝）有无松动，必要时回轮胎行重新做动太平衡。如果轮圈已有裂痕，几乎可宣告报销，即便以点焊方式修补，但轮圈整体强度已与原本相差颇大，在铝圈价格不断降低的情况下，建议消费者直接换掉，换得较为安全的行车保障。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ' '"><o:p></o:p></SPAN></P>
Re: 改装知识——轮毂规格及选择
为大家容易学习再放张图片吧
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