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letter-spacing: 0pt;">1.2.1</span><span style="line-height: 13pt; text-align: justify; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">虚拟数控技术国内</span><span style="line-height: 13pt; text-align: justify; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">外</span><span style="line-height: 13pt; text-align: justify; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">研究现状</span></p> <p class="NewStyle17" 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;">建模是仿真过程中的关键技术，国内外众多学者对此展开了研究。在过去的二十多 年，众多科研机构的研宄人员提出了很多数控加工仿真的建模方法，可以将这些方法分 为三大类：基于离散模型的仿真方法、基于实体建模的仿真方法和二者混合的仿真方法 </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;">混合法)。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle17" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:0.0000pt; text-indent:27.0000pt; 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;">国内外许多科研机构在</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">加工过程仿真方面做了大量的研宄工作，且各有侧重。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle17" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:0.0000pt; text-indent:27.0000pt; 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;">国外方面，索尼公司</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">（</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">SonyCooperation</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;">研制的</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">FREDAM</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">系统可以对球头铣刀的 自由曲面切削过程进行三维仿真，其重点是精确显示刀具轨迹与零件切削模型，用来避 免精加工过程中的碰撞；美国</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">National</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Institute</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">of</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Standards</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">and</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Technology</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">提出了腔铣 加工中生成零件的加工轨迹算法，检查刀具接触点，并在仿真加工过程中将刀具的运动 轨迹显示出来</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">[5]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">;意大利</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Bologna</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">大学用</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">B</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">样条曲面建立端铣刀与工件模型，采用真实 图形显示三轴铣床粗铣加工的过程</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">[6]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">。在国外，数控仿真技术己应用于商业，如美国的 </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">CGTech</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">公司在布尔运算的基础上推出了仿真软件</span><span class="16" 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;">,</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">不仅能够实现多轴仿真, 甚至增强了切削状态的分析功能；英国</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Delcam</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">公司的</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Power</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">MILL</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">不仅提供五轴联动 的实体切削仿真过程，而且提供五轴加工机床动作仿真过程，动态的仿真出五轴加工过 程中机床各轴各机构间的运动关系，仿真软件支持刀轴摆动、双旋转工作台、摆刀轴与 旋转工作台等组合方式。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle17" style="margin-top:0.0000pt; margin-right:0.0000pt; margin-bottom:0.0000pt; margin-left:0.0000pt; text-indent:27.0000pt; 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;">国内对数控加工过程仿真的研究起步较晚，但是国内的研宄过程与国外基本一致， 经历了二维图形仿真、线框模型仿真以及三维实体模型仿真的阶段</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">[7]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">。合肥工业大学开 发的数控车削自动编程系统</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">HFAPTZ</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;">实现仿真显示刀具运动轨迹、毛坯和零件的实体 形状、机床的状态，并能够对刀具作干涉检验；清华大学开发了三维数控加工仿真系统 </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NCMSS</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;">它能在任选的视图上直观地显示刀具加工轨迹和工件轮廓，并提供了 </span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">代 码调试、编程、跟踪、执行等功能；清华大学与华中科技大学</span><span class="16" 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;">中心共同研宄开发 了数控加工仿真系统</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">MP</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;">加工过程由</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">代码直接驱动，可对编程系统、半手工及手 工编制的</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">代码进行正确性检验，能提供建立机床加工模型的功能，能在精确形体表 示下，实现快速三维图形显示加工过程动画。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle17" style="margin: 0pt 0pt 10.95pt; text-indent: 27pt; line-height: 19.2pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">南京宇航自动化科技研究所研发主要用于教学的数控车削、铣削仿真的软件，不仅 能够读入</span><span class="16" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">NC</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">代码文件而且可以对程序进行检查，能用三维动画进行仿真，而且图形交 互功能强大，在对加工过程进行仿真时，能够对错误报警，并且能实现自动换刀等功能， 在仿真结束后可以对工件的坐标和各种尺寸进行检验。计算机技术和设备的迅速发展， 促进了虚拟数控技术的迅速发展。</span></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="NewStyle17" style="margin: 0pt 0pt 10.95pt; text-indent: 27pt; line-height: 19.2pt;"> </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><span lang="EN-US" style="font-size:9.0pt"> <o:p></o:p></span></p> <p class="NewStyle17" style="margin: 0pt 0pt 10.95pt; text-indent: 27pt; line-height: 19.2pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><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=%E4%BA%94%E8%BD%B4%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>五轴加工中心</a> <a 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<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> <!-- 相关文章结束 --> <!-- 页底推荐图文产品开始 --> <hr class="featurette-divider"> <!-- 页面标题开始 --> <div class="title"> <h3 class="wow bounceInDown" data-wow-delay="0.5s"><a href="/bethel/cnc">产品中心<small></small></a></h3> <span>——</span> </div> <!-- 页面标题结束 --> <div class="container"> <div class="blank30"></div> <!-- 中部开始 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