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id="tpnrxl7j" class="title"> <h3><a>振動對數控機床進給系統爬行的影響-目的和意義<small></small></a></h3> </div> <!-- 頁面標題結束 --> <hr class="featurette-divider"> <!-- 中部開始 --> <div id="tpnrxl7j" class="container"> <!-- 正文 --> <div id="tpnrxl7j" class="lead" id="print"> <p> <span id="tpnrxl7j" class="17" style="line-height: 30.7pt; text-indent: 0pt; font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">1.2</span><span style="line-height: 30.7pt; text-indent: 0pt; font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">課題研宄目的和意義</span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 0pt; line-height: 30.7pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">1.2.1</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">課題研究的目的</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">數控機床可以加工復雜型面、加工精度高、質量穩定、有利于現代化生產。機床各 部件相互配合，最終共同完成機械執行機構的移動、轉動、夾緊、松開、變速和換刀等</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 0pt; line-height: 21.85pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">各種動作來實現切削加工的任務</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[2]</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">。數控機床在低速運動或重載情況下出現爬行時，會 破壞數控機床運動的準確性、均勻性，影響數控機床的定位精度和加工精度，甚至產生 廢品和事故，這對企業來說是不可估量的損失。根據數控機床出現爬行的現象機理分析 后，能夠發現導致爬行的因素有很多，在機械傳動部分中，由摩擦引起的振動對爬行的 影響是比較大的，故研宄振動對數控機床進給系統爬行的影響對減少爬行發生的幾率和 提高數控機床的精度有很大幫助。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 0pt; line-height: 11pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">1.2.2</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">課題研宄的意義</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">目前，德國、美國和日本等發達國家的數控機床質量及性能良好，先進實用。尤其 在大型、重型和精密數控機床方面發展要比我國快很多。我國的數控機床在穩定性、可 靠性和無故障方面和外國高檔數控機床相比還有一定的差距。若能改善數控機床在低速 行進時產生的爬行，我國數控機床將步入新的層次。數控機床的爬行問題是提高數控機 床加工精度的重要課題之一，也是國民經濟、科學研宄及國防建設的重要課題。研究振 動對爬行現象的影響，對揭示爬行的內在規律、分析機床低速運動時的平穩性和探尋新 的領域來解決爬行的措施都是必不可少的。本課題研宄的內容對數控機床發展的意義主 要表現在四個方面：</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[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: 11pt;">提高數控機床精度。研宄爬行機理、導致產生爬行產生的各種因素和防爬措施 是找到抑制爬行新方法的前提，根據抑制爬行的新方法，會進一步提高數控機床的精度 等級。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[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: 11pt;">節省成本。利用</span><span id="tpnrxl7j" class="18" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">ADAMS</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">軟件分析外加振動和</span><span id="tpnrxl7j" class="18" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">PID</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">控制系統對爬行的影響，可 以在</span><span id="tpnrxl7j" class="18" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">View</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">虛擬界面中真實地模擬系統的運動，由于簡化后的爬行系統模型相對比較簡單， 可以直接在</span><span id="tpnrxl7j" class="18" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">View</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">中建模，然后不斷修改設計缺陷以改進系統，直到獲得最滿意的設計方 案，最終能夠做出比較理想的物理樣機。所以在</span><span id="tpnrxl7j" class="18" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">ADAMS</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;">平臺中直接對爬行的仿真模型 進行分析，節約了大量在現實生活中加工樣機、改進樣機的時間和成本，給企業增加了 利潤。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[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: 11pt;">改善勞動環境。數控機床在重載時出現爬行，前期機床運動不平穩時會產生噪 音，對聲音造成環境污染，對勞動者身體有傷害。</span><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[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: 11pt;">延長機器使用壽命。機床導軌出現嚴重爬行時，會導致機床喪失加工能力，產 生廢品、造成停機現象，對數控機床損害嚴重。</span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"> </p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><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“振動對數控機床進給系統爬行的影響”，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> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋體; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p></div> <div id="tpnrxl7j" class="blank30"></div> <!-- tag --> <div id="tpnrxl7j" 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> <!-- 分類 --> <div id="tpnrxl7j" class="blank10"></div> 分類： <a href='/bethel/type/jnc/type-1.html' target='_blank'>加工中心</a> 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