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letter-spacing: 0pt;">5.5</span><span style="line-height: 19.2pt; text-indent: 25pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">数控</span><span class="18" style="line-height: 19.2pt; text-indent: 25pt; font-size: 9pt; font-family: 'Times New Roman'; letter-spacing: 0pt;">G</span><span style="line-height: 19.2pt; text-indent: 25pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">代码仿真验证</span></p> <p class="NewStyle23" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:13.1500pt; margin-left:0.0000pt; text-indent:25.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">通过上面的步骤，己经建立完成机床的运动模型和控制系统。之后添加仿真所必需 的刀具、工装、毛坯、数控程序以及程序零点等其他设置就可以进行仿真机床的仿真加 工。本文以生成的叶轮各个加工阶段的数控程序，利用建立起来的仿真机床来进行零件 整个加工过程的仿真。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle21" style="margin: 0pt 0pt 7.15pt; text-indent: 0pt; page-break-after: avoid; line-height: 14pt;"><span class="18" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">5.5.1</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">虚拟机床初始化</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:8.0000pt; text-indent:0.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; mso-list:l0 level1 lfo1; "><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">调用机床及刀具库</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><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:25.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">在</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">中调出已建立好的加工中心模型</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">“</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">V255</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">”。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:8.0000pt; text-indent:0.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; mso-list:l0 level1 lfo1; "><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">设定零件毛坯</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 25pt; line-height: 19.2pt;"><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">软件提供的三维建模功能可以实现一些形状简单的几何体构建，比如长 方体、圆柱体、圆锥等。毛坯的形状如果比较简单的话，可以直接在</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">中建立 毛坯模型。如果形状复杂，也可以在其他</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">CAD</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">软件中建好模型后通过软件间导入导出 功能实现对接。本文仿真加工以叶轮为加工零件，建立回转体毛坯模型，将模型调入， 如图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">5.16</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">所示</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><br clear="all" style="page-break-before:always" /> </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 26pt; line-height: 19.2pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">毛坯放置时要确保毛坯的模型坐标原点与建立的加工坐标系的坐标原点相吻合。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:8.0000pt; text-indent:0.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; mso-list:l0 level1 lfo1; "><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">添加数控程序</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin: 0pt; text-indent: 26pt; line-height: 19.2pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">通过项目树中的数控程序选项功能，可以直接调入和加载所要仿真的数控程序。加 载的数控文件可以在</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">中进行修改与编辑。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">配置</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">G</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">代码偏置</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">加工坐标系的设置主要包括基于工作偏置、机床零位、工作偏置、程序零点等相关 信息。如图</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">5.17</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">所示。</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">一般工作偏置放在</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">G</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">54</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">寄存器中，用来设定工件坐标系，对于铣床和立式加工中心</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">工件坐标系的零点一般放置在毛坯的上表面中心点处。</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:10.9500pt; margin-left:0.0000pt; text-indent:24.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">这样就基本完成了仿真前的准备工作，机床已经可以进行正常的数控代码的驱动实 现仿真加工。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle24" style="margin: 0pt 0pt 7.85pt; text-indent: 0pt; line-height: 13pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">5.5.2</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">虚拟机床仿真加工</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><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:24.0000pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">当完成以上各项的机床设定机床己经进入待加工状态。此时通过系统界面即可开始 进行各种仿真操作。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">图</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">5.18</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">显示的是叶轮仿真加工的开始片断。此时机床还没有开始仿真加工，观察截 图可以看出，</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">系统的仿真加工过程不仅提供了可视化的操作界面，便于观察 加工过程中存在的问题，而且可以显示多个画面，分别显示机床的仿真运动情况以及工 件的切削情况，既可以观察机床各个运动部件的仿真运动状态，检查刀具和机床组件是 否发生碰撞的情况，同时又可以清晰的观察到刀具切除毛坯的仿真加工细节。</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:9.5000pt; 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; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">如果在整个仿真加工过程中出现错误，如机床组件与刀具间的碰撞、不合理的走刀 或者超出行程等现象，</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">软件都将直接在显示界面的毛坯图形中用红色警告标 示出错误的部位，同时会在软件下方的加工信息栏里标记出发生相关错误的程序行。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-top:9.5000pt; 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; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">仿真加工完成后，可以通过</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">测量模块来比较仿真加工的结果与所设计工 件三维模型的余量差别，而且</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">软件可以自动产生仿真加工日志文件。该日志 文件记录下了整个仿真加工过程中的所有提示、警告、错误和其他相关信息，如加工时 的仿真时间、刀具轨迹名、错误和警告的个数等。错误和警告的信息直接链接到错误所 在的程序语句，这样就便于对错误的程序进行修正。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">本文对叶轮的</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">程序经过反复修改和调试，消除了加工时的错误，没有发生碰撞 和误切等现象。经检测加工后的结果符合设计基本的要求。仿通过对叶轮的仿真加工， 验证了程序的正确性，从而证明</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">V255</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">加工中心的专用后置处理器可以完成既定的 加工目标。</span><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span></p> <p class="NewStyle22" style="margin: 0pt 0pt 6.7pt; text-indent: 0pt; page-break-after: avoid; line-height: 14pt;"><span class="15" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">5.6</span><span style="font-family: 宋体; letter-spacing: 0pt; font-weight: bold; font-size: 9pt;">本章小结</span><span style="font-family: 宋体; letter-spacing: 0pt; font-weight: bold; font-size: 9pt;"><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; line-height:19.2000pt; mso-line-height-rule:exactly; "><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">本章介绍了机床仿真技术常用到的相关软件</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">的基本功能，调研</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">V255</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">加工中心的结构及其相关参数。并且根据加工中心的相关参数用</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">VERICUT</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">构建了机床 的虚拟仿真加工环境，通过对叶轮的仿真加工验证后置处理器生成的数控</span><span class="20" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">G</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">代码的可用 性，进而验证后置处理器的可靠性。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><br clear="all" style="page-break-before:always;mso-break-type:section-break" /> </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; line-height:19.2000pt; mso-line-height-rule:exactly; "> </p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">本文采摘自“<a href='https://www.yujiangcnc.com/' target='_blank'>五轴加工中心</a>后置处理及仿真技术研究”，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！</span><span lang="EN-US" style="font-size:9.0pt"><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; line-height:19.2000pt; mso-line-height-rule:exactly; "><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 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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> <!-- 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