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class="NewStyle21" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:0.0000pt; text-indent:26.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; "><span style="font-size: small;"><span style="font-family: 宋體; letter-spacing: 0pt;">目前世界上主要的制造業(yè)強國對先進制造技術(shù)的投入不斷地加強，高速加工、精 密制造等先進技術(shù)的應(yīng)用日益增多，柔性系統(tǒng)的快速發(fā)展，超大規(guī)模集成電路功能的 不斷增強對數(shù)控加工技術(shù)水平提出了更加緊迫的時代要求</span><span style="font-family: 宋體; letter-spacing: 0pt; vertical-align: super;">[1</span><span style="font-family: 宋體; letter-spacing: 0pt;">?</span><span style="font-family: 宋體; letter-spacing: 0pt; vertical-align: super;">5]</span><span style="font-family: 宋體; letter-spacing: 0pt;">。機床的熱誤差是機床 誤差的重要組成部分，有研宄表明，機床的熱誤差占到總誤差的30%—50%[</span><span style="font-family: 宋體; letter-spacing: 0pt; vertical-align: super;">6</span><span style="font-family: 宋體; letter-spacing: 0pt;">]，這主要 是主軸單元和滾珠絲杠的熱變形誤差。隨著機床的高速化，滾珠絲杠伺服進給系統(tǒng)的 熱誤差越來越影響機床的定位精度與加工精度。</span></span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:43.6500pt; margin-left:0.0000pt; text-indent:26.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; "><span style="font-size: small;"><span style="font-family: 宋體; letter-spacing: 0pt;">數(shù)控機床伺服進給系統(tǒng)的結(jié)構(gòu)組成如圖</span><span style="font-family: 宋體; letter-spacing: 0pt;">1.1</span><span style="font-family: 宋體; letter-spacing: 0pt;">所示，主要包括：編碼器、電機、聯(lián) 軸器、滾珠絲杠副、支撐軸承組、光柵尺、導(dǎo)軌、工作臺等。其工作原理是將伺服電 機的旋轉(zhuǎn)運動通過滾珠絲杠副轉(zhuǎn)化為工作臺的直線進給運動，進行工件切削加工。</span></span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 1pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:43.6500pt; margin-left:0.0000pt; text-indent:26.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; "><span style="font-size: small;"><span style="font-family: MingLiU; letter-spacing: 0pt;">在滾珠絲杠進給系統(tǒng)中，熱源主要包括絲杠滾道與滾珠、滾珠與螺母滾道的摩擦 熱、滾珠與支撐軸承內(nèi)外圈的摩擦熱，伺服電機發(fā)熱傳遞到絲杠上的熱，環(huán)境的輻射 熱等。其中滾珠絲杠的摩擦熱占很大的比重，尤其在高速進給條件下，摩擦發(fā)熱更加 嚴重，這會使?jié)L珠絲杠產(chǎn)生軸向熱伸長。如圖</span><span style="font-family: MingLiU; letter-spacing: 0pt;">1.2</span><span style="font-family: MingLiU; letter-spacing: 0pt;">所示，一方面這會導(dǎo)致了工作臺 的定位精度的下降，影響了工件的加工精度；另一方面從熱伸長導(dǎo)致絲杠拉伸剛度降 低的角度看，較大的剛度的降低也會使系統(tǒng)的固有頻率降低，影響了伺服系統(tǒng)的快速 響應(yīng)性。</span></span></p> <p class="NewStyle21" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:43.6500pt; margin-left:0.0000pt; text-indent:26.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; "><span style="font-size:9.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">本文采摘自“空心滾珠絲杠在數(shù)控機床伺服進給系統(tǒng)中的應(yīng)用研究”，因為編輯困難導(dǎo)致有些函數(shù)、表格、圖片、內(nèi)容無法顯示，有需要者可以在網(wǎng)絡(luò)中查找相關(guān)文章！本文由伯特利數(shù)控整理發(fā)表文章均來自網(wǎng)絡(luò)僅供學習參考，轉(zhuǎn)載請注明！</span></p></div> <div id="n1l1njb9b" class="blank30"></div> <!-- tag --> <div id="n1l1njb9b" class="blank10"></div> 標簽： <a href='/index.php?case=tag&act=show&tag=%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>數(shù)控加工中心</a> <a href='/index.php?case=tag&act=show&tag=CNC%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>CNC加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E6%9C%BA%E5%BA%8A' target='_blank'>數(shù)控機床</a> <a href='/index.php?case=tag&act=show&tag=%E6%BB%9A%E7%8F%A0%E4%B8%9D%E6%9D%86' target='_blank'>滾珠絲桿</a> <!-- 分類 --> <div 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href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>數(shù)控加工中心</a> <a href='/index.php?case=tag&act=show&tag=CNC%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>CNC加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E6%9C%BA%E5%BA%8A' target='_blank'>數(shù)控機床</a> <a href='/index.php?case=tag&act=show&tag=%E6%BB%9A%E7%8F%A0%E4%B8%9D%E6%9D%86' target='_blank'>滾珠絲桿</a> <small>相關(guān)內(nèi)容</small></a></h3> <p></p> <span>——</span> </div> <!-- 頁面標題結(jié)束 --> <hr class="featurette-divider"> <div id="n1l1njb9b" class="container list-container"> <!-- 內(nèi)容列表開始 --> <div id="n1l1njb9b" class="news-list list-border list-border-w"> <div id="n1l1njb9b" class="list-date"> <span>11</span> <p>2024-12</p> </div> <h4><a title="U600S五軸加工中心視頻" href="/bethel/video/show-3042.html" target="_blank">U600S五軸加工中心視頻</a></h4> <p>此視頻詳細介紹了U600S高性能五軸加工中心各種參數(shù)及說明！… <a href="/bethel/video/show-3042.html" 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