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面包屑導航結束 --> <!-- 頁面標題開始 --> <div id="n1l1njb9b" class="title"> <h3><a>空心滾珠絲杠在數控機床伺服進給系統中的應用研究-結論<small></small></a></h3> </div> <!-- 頁面標題結束 --> <hr class="featurette-divider"> <!-- 中部開始 --> <div id="n1l1njb9b" class="container"> <!-- 正文 --> <div id="n1l1njb9b" class="lead" id="print"> <p> <span style="font-family: 宋體; font-size: 10.5pt; letter-spacing: 2.5pt; line-height: 14pt; text-indent: 0pt;">第五章結論與展望</span></p> <p class="NewStyle22" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:8.3000pt; margin-left:0.0000pt; text-indent:0.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:14.0000pt; mso-line-height-rule:exactly; mso-list:l0 level1 lfo1; "><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 2.5pt; font-size: 14pt;">5. </span><!--[endif]--><span id="n1l1njb9b" class="15" style="font-family: 宋體; letter-spacing: 2.5pt; font-size: 10.5pt;">1結論</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" 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-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">論文以某一型號的數控加工中心的伺服進給系統為研宄對象，探討了空心滾珠絲 杠的數學模型、邊界條件、仿真分析等，為空心滾珠絲杠的應用提供理論依據。該課 題的研宄不僅具較高的好理論研究價值，而且有重要的工程實踐應用價值。滾珠絲杠 伺服進給系統發熱問題是制約數控機床向高速、高精度發展的瓶頸問題，這一課題的 研宄有助于提升我國的數控機床伺服進給系統的水平。論文的主要研宄內容和結論如 下：</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" 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; mso-list:l1 level1 lfo2; "><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">1. </span><!--[endif]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">建立了實/空心滾珠絲杠伺服進給系統三維溫度場和熱變形的數學模型，從理 論上計算出高速滾珠絲杠的熱位移。同時與仿真結果做了對比，得到更精確的絲杠的 熱變形規律。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" 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; mso-list:l1 level1 lfo2; "><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">2. </span><!--[endif]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">建立了實/空心滾珠絲杠伺服進給系統三維仿真模型，并對不同工況下的高速 滾珠絲杠的應用規律做了深入的探討，得出幾點結論：</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（1)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">從高速進給的角度，進給 速度越高。熱變形量越大；與實心滾珠絲杠的熱位移量</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（1</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">mm</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">相比，空心滾珠絲杠 的熱變形量在</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">0.01</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">mm</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">數量級上，有效的抑制了空心滾珠絲杠的熱伸長。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（2)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">從不同 的冷卻液流量方面，由于冷卻液流速的增大對減小空心滾珠絲杠的熱位移的趨勢不是 很明顯，所以不必為了提高空心冷卻的效果而采用高性能的冷卻設備。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（3)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">在選擇不 同的冷卻介質時，不僅要考慮對空心滾珠絲杠的熱位移的影響，還要考慮到防銹，最 終本文選擇冷卻液作為冷卻介質。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（4)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">空心滾珠絲杠的開口大小不僅影響到空心滾珠 絲杠的強度、扭轉剛度等，而且對于開孔工藝方面也要考慮難易的程度。如果加工工 藝允許的話，選擇開孔大小為</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">l</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">〇</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">mm</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">的是合適的。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">（5)</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">從數控機床達到熱平衡的時間 做了最后一組仿真，得出空心滾珠絲杠對于縮短機床的熱機時間具有重要的意義。總 之，空心滾珠絲杠對于提高伺服進給系統的定位精度具有重要的意義。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" 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; mso-list:l1 level1 lfo2; "><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">3. </span><!--[endif]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">空心滾珠絲杠伺服進給系統作為一個機電一體化系統，其電氣、機械等參數 的匹配是非常關鍵的，因此在建立系統的模型時，根據參數匹配的原則，選取相關的 電氣、機械參數。在用</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">Sinmulink</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">仿真時由于空心絲杠的慣量占整個系統的慣量的比 例較小，故空心滾珠絲杠的快速性優于實心滾珠絲杠的快速性的曲線不是很明顯。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" 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; mso-list:l1 level1 lfo2; "><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">4. </span><!--[endif]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">空心滾珠絲杠系統的穩定性是前提，論文借助仿真模型推導出伺服進給系統 一部分的傳遞函數，分別對空心/實心滾珠絲杠的傳函編寫了伯德圖程序，從而判斷</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 0pt; line-height: 22.1pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">系統的穩定性。并通過</span><span id="n1l1njb9b" class="19" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 10.5pt;">Routh</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">判據，從理論上證明了系統是穩定的。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 25pt; line-height: 22.1pt;"><!--[if !supportLists]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">5. </span><!--[endif]--><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;">滾珠絲杠的空心化必然會影響到滾珠絲杠的強度、剛度。故在本文的最后部 分校核了系統的相關的強度和剛度，滿足空心滾珠絲杠的強度、剛度要求。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 10.5pt;"><br clear="all" style="page-break-before:always;mso-break-type:section-break" /> </span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 25pt; line-height: 22.1pt;"> </p> <p class="NewStyle23" style="margin: 0pt; text-indent: 25pt; line-height: 22.1pt;"><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“空心滾珠絲杠在數控機床伺服進給系統中的應用研究”，因為編輯困難導致有些函數、表格、圖片、內容無法顯示，有需要者可以在網絡中查找相關文章！本文由伯特利數控整理發表文章均來自網絡僅供學習參考，轉載請注明！</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 id="n1l1njb9b" class="blank10"></div> 分類： <a href='/bethel/type/jnc/type-1.html' target='_blank'>加工中心</a> <div id="n1l1njb9b" class="blank30"></div> <!--自動調用自定義字段--> <div 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