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font-size: 10.5pt;">1.3</span><span style="line-height: 11pt; text-indent: 0pt; font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">课题的研究现状</span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">国内外学者对爬行现象的研究很多，目前比较常用的有8种简化机械物理模型（不 是本文研宄的重点内容，故不对每一种模型进行详细的阐述</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">），</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">针对不同的模型，学者 们提出了多种改善爬行的方法。例如改善机床的结构和材料，添加润滑剂，利用光栅爬 行测量仪等，但是有的并不实用，效果也不理想。虽然对引起爬行现象的原因以及爬行 过程当中产生的规律进行了详细的解释，但是并没有从本质上抑制爬行。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 0pt; line-height: 14pt;"><span class="18" style="font-family: 宋体; letter-spacing: -2.5pt; font-size: 14pt;">1.3.1</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">国外对数控机床爬行的研究</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 11pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">爬行现象最早是在20世纪30年代由</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">F</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">.</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">P</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">.</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Bowden</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">, </span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">H</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">.</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Block</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">P</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"> </span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Jpapenhuysen</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">等人提</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 0pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">出并开始研宄的。到20世纪50年代，许多权威学者和工业界的工程师们通过大量研宄 和试验，提出了爬行的起因、机理和规律。总结出来，有如下几个对爬行分析比较有代 表性的观点：</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 22.1pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">1 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">F</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">.</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">P</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">.</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Bowden</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[3]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">的摩擦表面接触凸峰之间的有关“微焊接桥”的行程与破坏的观点， 对摩擦力的瞬时变化进行了详细的理论解释。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(2) </span><!--[endif]--><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Capone</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[4]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">认为俩个滑动体之间的运动产生的摩擦力的周期性自激振动产生了爬 行现象。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(3) </span><!--[endif]--><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Yoshizawa</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[5]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">认为爬行运动的产生是基于两固相的冻结状态和液相的熔融状态 之间的边界层发生周期性的相互转化导致的。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(4) </span><!--[endif]--><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">Stolarski</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[6]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">认为是塑性微观接触所形成的焊合或粘附连接导致了爬行的产生。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(5) </span><!--[endif]--><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">M</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: sub;">〇</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">khtar</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[7</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">^、</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">iHA</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">为在俩结合面相互接触产生滑动的过程中，是由于静、动摩擦 系数的不同以及摩擦力所引起的振动导致爬行的出现。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 0pt; line-height: 14pt;"><span class="18" style="font-family: 宋体; letter-spacing: -2.5pt; font-size: 14pt;">1</span><span class="18" style="font-family: 宋体; letter-spacing: -2.5pt; font-size: 14pt;">.3.2</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">国内对数控机床爬行现象的研究</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 22.1pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">我国是从20世纪70年代开始研宄爬行的，我国的研究学者较早从事这方面研宄的 几个典型代表观点如下：</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(2) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">吴圣庄</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[9]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和他的研宄生从多个角度对数控机床做了大量的实验，认为过去学者 们提出的有关爬行理论，即爬行是由动静摩擦力之差导致的，而这种</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">AF</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">值实际是不存 在的。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(3) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">韩秋实</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[1</span><span class="19" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt; vertical-align: super;">W</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">把爬行作为一种自激振荡来研宄。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(4) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">金长善、于凤鸣</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[11]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">提出了动静摩擦力差异的机理，首次提到“动响应”概念，从 实际和理论两方面对各种不同情况下的摩擦力与加速度之间的关系进行了研宄。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(5) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">万鹏、赵培炎</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt; vertical-align: super;">[12]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">提出了俩自由度系统的概念，考虑到物体的运动方向和运动物 体之间表面的不平度所形成的微观“油楔”中液动力产生的浮起。他们认为要对爬行进行 全面分析，不仅取决于是否要考虑摩擦系数的变化，而且还取决于是否考虑了法向压力 的变化。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">通过总结国内外学者对爬行现象的研宄得出:目前没有一套完整解释说明爬行机理 的文章，即系统各爬行因子与爬行之间的明确的定量关系，学者们都是各自对爬行机理 做出理论上的推导，然后进行试验，并没有找到一种真正能抑制爬行的方法而被大家所 认可。</span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"> </p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-size:9.0pt;font-family:宋体;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“振动对数控机床进给系统爬行的影响”，因为编辑困难导致有些函数、表格、图片、内容无法显示，有需要者可以在网络中查找相关文章！本文由伯特利数控整理发表文章均来自网络仅供学习参考，转载请注明！</span></p> <p class="NewStyle21" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <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'>数控加工中心</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 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target='_blank'>数控加工中心</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'>数控机床</a> <small>相关内容</small></a></h3> <p></p> <span>——</span> </div> <!-- 页面标题结束 --> <hr class="featurette-divider"> <div class="container list-container"> <!-- 内容列表开始 --> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>11</span> <p>2024-12</p> </div> <h4><a title="U600S五轴加工中心视频" href="/bethel/video/show-3042.html" target="_blank">U600S五轴加工中心视频</a></h4> <p>此视频详细介绍了U600S高性能五轴加工中心各种参数及说明！… <a href="/bethel/video/show-3042.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>05</span> <p>2024-11</p> </div> <h4><a title="六角亭五轴加工工艺" href="/bethel/5-aix/show-2966.html" target="_blank">六角亭五轴加工工艺</a></h4> <p>本文以组合式六角亭模型为实例，分析工艺难点与加工可行性，指出该模型的加工难点是模型形状不规则和整体刚性差，并通过设计新的工艺方案解决加工难点，完成了模型整体的加工。新的加工工艺有助于提高加工效率和精度，为五轴数控加工提供了一个典型案例，对于五轴加工中心数控加工也具有指导作用和重要… <a href="/bethel/5-aix/show-2966.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>05</span> <p>2024-11</p> </div> <h4><a title="自适应控制方法在混联五轴加工中心中的应用" href="/bethel/5-aix/show-2965.html" target="_blank">自适应控制方法在混联五轴加工中心中的应用</a></h4> <p>宇匠数控 备注：为保证文章的完整度，本文核心内容由PDF格式显示，如未有显示请刷新或转换浏览器尝试，手机浏览可能无法正常使用！本文摘要：通过对混联五轴加工中心自适应深度学习控制方法的 研 究，可 知 此 方 法 的 创 新 之 处 在 于：１）建 立 了 机 床 的 运 动 学 … <a href="/bethel/5-aix/show-2965.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>05</span> <p>2024-11</p> </div> <h4><a title="五轴加工中心和五轴钻攻中心在机测量探头补偿" href="/bethel/5-aix/show-2959.html" target="_blank">五轴加工中心和五轴钻攻中心在机测量探头补</a></h4> 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