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    	<div class="nyNewsDetail_Title"><h1>测针有这么多种材质，如何选？</h1></div>
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            <span><img src="/skins/158899/images/date01.png" />更新时间：2024-11-13</span><span><img src="/skins/158899/images/hit.png" />点击次数：1579</span>
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            <p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">测针</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">，是测量时接触工件的测量部件，通常由测杆和测球组成。它的工作原理是通过与工件接触，使测头装置产生位移，根据所产生的信号取得测量值，从而实现精准测量。</span></span></p><p style="margin-top:0;margin-right:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">为了保证测量精度，在选择测针时需要注意以下事项：</span></span></p><p style="margin-top:0;margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">测针长度</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">要尽量</span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">短</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(89, 89, 89);letter-spacing: 0;font-size: 12px">测针越长越容易弯曲，从而准确性越低。且测头的位置准确性与测头轴销到测针测球的距离成反比。所以最短的测头会有较高的准确性。</span></p><p style="margin-top:0;margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">测</span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">球直径</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">要尽量</span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">大</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(89, 89, 89);letter-spacing: 0;font-size: 12px"><span style="font-family:宋体">使用大直径的测球会增加测球与测杆之间的间隙，从而减少测杆与工件</span><span style="font-family:宋体">(柄)接触的可能性。大直径的测球也会减少工件表面加工对测量准确度的影响。</span></span></p><p style="margin-top:0;margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">连接点</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">要尽量</span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">少</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(89, 89, 89);letter-spacing: 0;font-size: 12px">测针与延长杆一起使用会增加弯曲的可能性，在任何程序中尽可能的少使用配件。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">测针的类型和大小的选择，主要取决于被测工件的特征，同时，其</span></span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">测针的测杆和测球的材质也非常的关键。</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><br /></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)">&nbsp;&nbsp;</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">常见的测针测球的材质以红宝石居多，其实还有氧化锆、氮化硅等其他材质，此外，测杆的材质也不局限于钢，还有铝合金、陶瓷、碳纤维等等。这么多材质，应该如何选择呢？</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">测球</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的材质</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">选型须考虑测量方法和工件的材质</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">红宝石</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">：</span><span style="font-family: 宋体;color: rgb(123, 12, 0);letter-spacing: 0;font-size: 12px">适合绝大多数材质的工件</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">红宝石</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><span style="font-family:宋体">，材质坚硬，表面尤其光滑，压缩强度高，对机械擦拭具有优良的特性。而且，红宝石的低比重，可使得测球的质量尽量地变小，有效消除了</span><span style="font-family:宋体">CMM移动或振动时由质量惯性引发的错误触发现象。</span></span></p><p style="margin-right:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">在制造必须具备</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">高耐磨性</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的球型碰触点时，红宝石被业界堪称wan美的全能型材料，</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">适用于绝大多数的材质工件测量</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">。但在对铝、铸铁工件扫描测量时会产生为粘附磨损，此时建议选用其他材质的测球。</span></p><p style="margin-right:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">氧化锆</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">：</span><span style="font-family: 宋体; color: rgb(214, 168, 65); letter-spacing: 0px; font-size: 12px;">适合铸铁工件、粗糙表面</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">氧化锆</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，是一种陶瓷复合材料。由氧化锆制成的触碰点具有特殊的表面性质，被认为是</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">对粗糙表面（如铸铁制成的工件）进行高强度扫描</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">理想选择。氧化锆的硬度和耐磨性几乎与红宝石相同，适合</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">铸铁工件</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">的扫描测量。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">氮化硅</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">：</span><span style="font-family: 宋体;color: rgb(46, 51, 46);letter-spacing: 0;font-size: 12px">适合铝制、铝合金制工件</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">氮化硅</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，是极其坚硬且超级耐磨的陶瓷材质，在已知测球材料中的</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">表面粗糙度最小</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的材质。它的特殊优势在于不会被铝吸附，粘着磨损远小于其他测球材质。</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><br /></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">但需要注意的是，对钢制表面的工件表面扫描时，其会出现明显的磨损消耗，因此限制应用在</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">铝合金制的工件</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">上。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">测杆和基座</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的材质</span></p><p style="margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">为了抑制测针弯曲，测杆的刚性要尽可能的强。</span></p><p style="margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">钢</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，是高强度精密测针的shou选材质，可确保以ji高的精度完成测量任务。该材质具有出色的材料强度，</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">是制造测针或基准探测元件的标准材质</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">。</span></p><p style="margin-right:0;margin-left:0;text-indent:24px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体; color: rgb(255, 76, 0); letter-spacing: 0px; font-size: 12px;">陶瓷</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">，因其材质轻且极其坚硬的特点，是测杆的理想材料，尤其是用于</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">长测针</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">。它的热稳定性</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">优良，即使在高温下的膨胀倾向也非常低，</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">适合在生产现场的环境下使用</span><span style="font-family: 宋体; letter-spacing: 0px; font-size: 12px;">。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">碳化钨</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">是由钨和碳组成的化合物，硬度与金刚石相近，在环境稳定的测量实验室下，由碳化钨制成的</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">抗弯测杆</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">几乎是所有标准应用的理想选择。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">碳纤维</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">与碳化钨相比其质量更</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">轻</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，且极其</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">坚硬</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，适合用于</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">长测针</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><span style="font-family:宋体">。在</span><span style="font-family:宋体">45摄氏度以下的温度环境下，其通胀系数几乎为零，在</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">车间环境</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><span style="font-family:宋体">中可以</span><span style="font-family:宋体">&ldquo;大显身手&rdquo;。</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><br /></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">&nbsp;&nbsp;</span><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">碳纤维管</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px"><span style="font-family:宋体">，在</span><span style="font-family:宋体">15至40℃的温度下的膨胀系数几乎为0。三丰主要采用碳纤维管制造优质的</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">测针、连接件以及测头加长杆</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px">铝合金</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">的材质轻且稳定，经常被用作</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">测针加长杆</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">，考虑其热膨胀的因素，推荐</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px">在温度稳定的测量室中使用。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:24px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style="font-family: 宋体;color: rgb(255, 76, 0);letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">钛</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">，具备ji高的刚性，坚硬稳定，且密度相对较低，重量极轻。三丰主要将该材料应用在</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">测针的基座、连接件和加长杆</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 12px;background: rgb(255, 255, 255)"><span style="font-family:宋体">。</span></span><span style="font-family: 宋体;letter-spacing: 0;font-size: 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