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style="text-indent: 24pt; font-size: 12pt;"><a href="http://www.bethel-cnc.com/" target="_blank"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">数控机床</span></a></span><span style="text-indent: 24pt; font-size: 12pt; font-family: 宋体;">直线度测量方法通常可以分为以下两大类：一类为线性测量。即测量的基准为平直实体要素。如平尺或钢丝绳等；另一类为角度测量。即它的测量基准通常采用如大地水平线或是光束等。其两种测量方法有其优点也缺点如下图所示。</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201406/14031881526792.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">其次在实际装配现场当中，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">直线度在</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-family:宋体;mso-font-kerning: 0pt"><a href="http://www.bethel-cnc.com/" target="_blank"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">数控机床</span></a></span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">存在形式一般有两种：</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">一类为部件直线度。例如：</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">数控回转工作台台面中心槽的直线度；</span><span style="font-size:12.0pt;mso-font-kerning: 0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋体;mso-font-kerning:0pt">另一类为</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-family:宋体;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/" target="_blank"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">数控机床</span></a></span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">各轴运动副的直线度。例如落地式镗铣床滑座沿床身运动（</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">X </span><span style="font-size:12.0pt;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋体;mso-font-kerning:0pt">轴）的直线度；</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">而对于第一类来说一般通常在机加时就要保证的，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">但通常我们也需要检验。而另一类则需要在装配调整过程中达到合格范围要求。上述这两种形式的直线度，它们之间的检验方法大致相同。如采用前面所介绍的两种方法即角度测量或是线性测量方法。但相比部件直线度的检验而言，运动副的直线度的检查来说部件直线度要比它检验的项目要多。</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">众所周知，一个运动部件直线运动通常总是包含着六个误差因素影响：运动部件上任一有代表性的点</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">(</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">如刀尖点、</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">工件中心点或工作台中心点等</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">)</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋体;mso-font-kerning:0pt">在运动方向上的一个位置误差，</span><span style="font-size:12.0pt; mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋体;mso-font-kerning:0pt">两个该点轨迹的线误差和三个该点轨迹的角度误差。当仅考查部件沿</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">X </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">轴运动的直线度时，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">则排除位置误差这个因素，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">应该检测点沿</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">Y </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋体;mso-font-kerning:0pt">轴</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">(</span><span style="font-size:12.0pt;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋体;mso-font-kerning:0pt">在</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">XY </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">平面内</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">)</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">和</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">Z</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">轴</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">(</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">在</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">XZ</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">平面内</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">)</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning: 0pt">方向平动的线值误差以及点绕</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">X</span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋体;mso-font-kerning:0pt">轴倾斜，</span><span style="font-size:12.0pt;mso-font-kerning: 0pt"> </span><span style="font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋体;mso-font-kerning:0pt">绕</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">Y </span><span style="font-size:12.0pt;font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋体;mso-font-kerning:0pt">轴摆动和绕</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">Z </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">轴起伏的旋转角值误差这五项误差缺一不可，否则都会造成直线误差的漏检。通常我们把这些角位移的误差把它叫做倾斜、</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">俯仰和偏摆，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">当测量一个有代表性的点的运动轨迹时测量的结果通常包含着全部的角度误差的影响，通常把每个角度误差的数值以整个运动副运动的全程的最大角度误差值来进行计算。</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体; mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">由此可见，只有这样才能够排除漏检的项目真实保证合格机床出厂，</span><span style="font-size:12.0pt;mso-font-kerning:0pt"> </span><span style="font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt">保证机床产品的质量。</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体; mso-font-kerning:0pt"><o:p></o:p></span></p> <h1 align="center" style="margin-top:4.5pt;margin-right:0cm;margin-bottom:7.5pt; margin-left:0cm;text-align:center;line-height:13.5pt"><span style="font-size: 10.5pt;color:#666666;mso-font-kerning:0pt">本文由<span lang="EN-US"> <a href="http://www.bethel-cnc.com/"><span lang="EN-US" style="color:#333333"><span lang="EN-US">伯<span lang="EN-US">特利数控</span></span></span></a></span>文章<span lang="EN-US"> </span>整理发表，文章来自网络仅参考学习，本站不承担任何法律责任。</span><span lang="EN-US" style="font-size: 15pt; font-family: 微软雅黑; font-weight: 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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> <p>在机测量技术由于其成本低、检测效率高、无需二次装夹等优势被广泛用于零件加工测量当中，使得五轴加工中心和五轴钻攻中心，同时又兼具测量功能。在机测量系统的构成如图1所示，硬件部分主要是由高精度探头、信号接收器、机床整个本体，软件部分由机床控制系统、测量软件等组成[8]。待零件加工完成… <a href="/bethel/5-aix/show-2959.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="五轴加工中心进给系统动态误差影响因素" href="/bethel/5-aix/show-2958.html" target="_blank">五轴加工中心进给系统动态误差影响因素</a></h4> <p>加工精度是影响机床性能和产品质量的主要难题，也是制约国家精密制造能力的重要因素。本文以五轴加工中心为对象，针对提升机床精度进行了研究。并且随着科技的发展，精密的仪器和零件在生产实践中占据的分量逐渐增加，在数控机床这种精密机器精度不断提高的同时，必须控制内外界环境的随机影响因素在… <a href="/bethel/5-aix/show-2958.html" target="_blank">[了解更多]</a></p> </div> <!-- 内容列表结束 --> </div> 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