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id="zbbbnpu2h4x" class="m3"></span> </div> <div id="zbbbnpu2h4x" class="Logo fl"><h1></h1></div> <div id="zbbbnpu2h4x" class="toptel"></div> <div id="zbbbnpu2h4x" class="clear"></div> </div> <div id="zbbbnpu2h4x" class="Nav w100"> <div id="zbbbnpu2h4x" class="Navlist w1000"> <ul> <li id="Top1"></li> </ul> <div id="zbbbnpu2h4x" class="clear"></div> </div> <div id="zbbbnpu2h4x" class="clear"></div> </div> <div id="zbbbnpu2h4x" class="clear"></div> </div> <div id="zbbbnpu2h4x" class="blockindex h450"> <div id="zbbbnpu2h4x" class="new9"> <div id="zbbbnpu2h4x" class="new91"> <h1>談?wù)劻⑹郊庸ぶ行木炔畹脑?/h1> 發(fā)布時(shí)間：2024-06-05 </div> <div id="zbbbnpu2h4x" class="new92"> <div class="zbbbnpu2h4x" id="contentt"></div> 立式加工中心主軸軸線與工作臺(tái)垂直設(shè)置的加工中心指的是，主可以適用于加工板類、盤類、模具及小型殼體類復(fù)雜零件。不過(guò)加工中心批量加工能求工件尺寸的一致性很高，這點(diǎn)人為操作相對(duì)困難，即使允許有一定的誤差值，但假設(shè)參考數(shù)據(jù)設(shè)置不當(dāng)或操作失誤都會(huì)間接影響工件加工精度很差，那么立式加工中心的精度差的原因有哪些呢?下面我們簡(jiǎn)單的了解一下：<br>1、由于切削速度過(guò)高、切削液不合適、鉸刀過(guò)度磨損、鉸刀主偏角過(guò)大或余量太大等都會(huì)造成加工中心的加工粗糙度高由于。<br>因?yàn)樵斐纱植诙雀叩暮芏嘤捎?，所以解決就比較困難，可以降低切削速度，參考加工材料來(lái)選擇切削液，減小鉸孔余量并鉸孔前底孔位置精度與質(zhì)量上升，增加鉸孔余量，加大容屑槽空間或采用帶刃傾角的鉸刀使排屑順利，定期更換鉸刀合理選擇刀具等措施。<br>2、因?yàn)榱⑹郊庸ぶ行膶?dǎo)向套磨損或是導(dǎo)向套低端距離工件太遠(yuǎn)，導(dǎo)向套長(zhǎng)度短或精度差等因其造成鉸出的孔位置精度差。<br>可以定期檢查更換導(dǎo)向套，加長(zhǎng)導(dǎo)向套，加強(qiáng)導(dǎo)向套與鉸刀間隙的配合精度，及時(shí)調(diào)整主軸軸承間隙。<br>3、主軸軸承松動(dòng)，孔表面有砂眼或氣孔，或是鉸刀過(guò)長(zhǎng)剛性達(dá)不到，都會(huì)造成加工中心鉸出的內(nèi)孔不圓。<br>可以從鉸刀采用剛性聯(lián)接進(jìn)行安裝，選用合格的鉸刀，控制預(yù)加工工序的孔位置公差，采用不等齒距的鉸刀、選用合格的毛坯，定期調(diào)整主軸間隙等來(lái)著手解決。<br>4、立式加工中心切削速度過(guò)高，進(jìn)給量不當(dāng)或加工余量過(guò)大，或者是加工中心自身因其造成的孔徑逐漸加大。<br>可以根據(jù)實(shí)際的情況進(jìn)行處理，適當(dāng)減小鉸刀外徑、降低切削速度、減小主偏角，選擇冷卻性能較好的切削液、調(diào)整或更換主軸軸承或者更換整條主軸都可以有效解決孔徑加大的問(wèn)題。<br> 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