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Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋体;mso-font-kerning:0pt"> 现在大部分数控系统都不具备椭圆插补功能</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-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"">加工中心</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">上加工椭圆的方法也成了</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">使用者长期探讨的问题。</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">我们这里采用</span><span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><span lang="EN-US">伯特利</span></span></a>V</span><span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系列加工中心为实际操作平台来取得数据</span><span lang="EN-US">,</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">现在在</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"">加工中心</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">上加工椭圆的方法主要有两类</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">一类是原理逼近法</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">一类是图样逼近法。在原理逼近法中又有四心法和比例法两种。对图样逼近法来说</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">数控系统的不同</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">所用的方法也是有差别的</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">比如</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> FANUC</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">系统用的是宏程序</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">, S I NUMER-I K</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">所用的是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> R</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">参数法</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">, FAGOR</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">所用的是高级语言法。现在主要对原理逼近法进行介绍。</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-family:宋体;mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:26.25pt;mso-char-indent-count:2.5"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">今天我们选择</span><span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><span lang="EN-US">伯特利</span></span></a> <a href="http://www.bethel-cnc.com/"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""><span lang="EN-US">加工中心</span></span></a></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">来作为操作平台</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">原理逼近法</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">只能用在加工精度不太高的近似加工中</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">这是因为从原理上来说加工的就不是椭圆</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">而是以其他曲线来代替椭圆。由于这类方法无论是在数值计算上</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">还是在编程上都比较简单</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">因此</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">在工厂中用的比较多。</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" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">1 . </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">四心法</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">( 1)</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">加工原理</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">就是用四段相切的圆弧来代替椭圆</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">其原理如下</span><span lang="EN-US"> (</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">参见图</span><span lang="EN-US"> 1 )</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">。</span></p> <p class="MsoNormal"><span lang="EN-US">1)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">作相互垂直的线段</span><span lang="EN-US"> AB</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">与</span><span lang="EN-US"> CD</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">交于</span><span lang="EN-US"> O, </span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">其中</span><span lang="EN-US"> AB</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">与</span><span lang="EN-US"> CD</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的长度分别为椭圆的长轴</span><span lang="EN-US"> 2a</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">和短轴</span><span lang="EN-US"> 2b ;</span></p> <p class="MsoNormal"><span lang="EN-US">2)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">连接</span><span lang="EN-US"> AC, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">并取</span><span lang="EN-US">;</span><img src="/upload/images/201406/14024189135466.jpg" alt="" /></p> <p class="MsoNormal"><span lang="EN-US">3)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">作</span><span lang="EN-US"> AG</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的垂直平分线</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">分别交</span><span lang="EN-US"> AG</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> AO</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> OD</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的延长线于</span><span lang="EN-US"> E</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、</span><span lang="EN-US"> O1</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O3;</span></p> <p class="MsoNormal"><span lang="EN-US">4)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">作</span><span lang="EN-US"> O1</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O3</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的对称点</span><span lang="EN-US"> O2</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、</span><span lang="EN-US"> O4;</span></p> <p class="MsoNormal"><span lang="EN-US">5)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">分别以</span><span lang="EN-US"> O1</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O2</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、</span><span lang="EN-US"> O3</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O4</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">为圆心</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">以</span><span lang="EN-US"> O1A</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O2B</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、</span><span lang="EN-US"> O3 C</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、</span><span lang="EN-US"> O4D</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">为半径作圆</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">分别相切于</span><span lang="EN-US"> B</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">ˊ、</span><span lang="EN-US"> A</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">ˊ、</span><span lang="EN-US"> D</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">ˊ、</span><span lang="EN-US">C</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">ˊ</span><span lang="EN-US">, </span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">即得一近似椭圆。</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">只要求出这四个圆弧的起点、</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">终点、</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">圆心坐标及圆弧半径</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">编写这四段圆弧的程序就很容易了</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">求以上数值的方法也很多</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">常用的有平面几何法和解析几何法两种。</span></p> <p class="MsoNormal"><img src="/upload/images/201406/14024189583768.jpg" alt="" /></p> <p class="MsoNormal"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/"><span lang="EN-US">加工中心</span></a></span><span style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt">请选择 <span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US"><span lang="EN-US">伯特利数控</span></span></a><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"> ( 2)</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">加工实例</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在</span><span lang="EN-US"><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"">加工中心</span></a></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">上加工图</span><span lang="EN-US"> 2</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">所示零件</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">该零件已经过粗加工</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">要求编写其精加工程序</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">由于该零件的精度不是太高</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">现在我们用四心法来加工。</span></p> <p class="MsoNormal"><span lang="EN-US">1)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">加工原理</span></p> <p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">四心法的加工原理如图</span><span lang="EN-US"> 1</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">所示。</span></p> <p class="MsoNormal"><span lang="EN-US">2)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">数值计算</span></p> <p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">现在分别用平面几何法和解析几何法的方法进行数值计算。</span></p> <p class="MsoNormal"><span lang="EN-US"><br /> <!--[endif]--></span></p> <p class="MsoNormal"><span lang="EN-US"><img src="/upload/images/201406/14024189985804.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal"><img src="/upload/images/201406/14024190154941.jpg" alt="" /></p> <p class="MsoNormal"> </p> <p class="MsoNormal" align="center" style="text-align: center; line-height: 19.5pt; background-position: initial initial; background-repeat: initial initial;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/bethel/cnc/show_37.html"><span lang="EN-US">钻攻中心</span></a></span><span style="mso-bidi-font-size:10.5pt; font-family:宋体;mso-bidi-font-family:宋体;color:#666666;mso-font-kerning:0pt">请选择 <span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US"><span lang="EN-US">伯特利数控</span></span></a><o:p></o:p></span></span></p> <p class="MsoNormal"><span lang="EN-US">3)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">加工程序</span></p> <p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">加工该零件的精加工程序很简单</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">只要应用</span><span lang="EN-US"> G02 /G03</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">就可以完成</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">由于篇幅的原因</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">这里就不写了。</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">2 . </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">比例法</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">应用数控系统的比例编程方法</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">以编圆弧程序的方式来近似加工椭圆。以加工图</span> <span lang="EN-US">3</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的零件为例说明之。</span></p> <p class="MsoNormal"><span lang="EN-US"><img src="/upload/images/201406/14024190555048.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" align="center" style="text-align: center; line-height: 19.5pt; background-position: initial initial; background-repeat: initial initial;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/bethel/cnc/show_38.html"><span lang="EN-US"><span lang="EN-US">高速加工中心</span></span></a> </span><span style="mso-bidi-font-size: 10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:#666666;mso-font-kerning: 0pt">请选择 <span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US"><span lang="EN-US">伯特利数控</span></span></a><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-indent:52.5pt;mso-char-indent-count:5.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">图</span><span lang="EN-US"> 3 </span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">零件图</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在一块</span><span lang="EN-US"> 1200mm @ 800mm @ 20mm</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的方板上加工如图</span><span lang="EN-US"> 2</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">所示椭圆槽。其中该椭圆的长轴为</span><span lang="EN-US"> 800mm</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">短轴为</span><span lang="EN-US"> 400mm</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。为了简便我们只编写加工上半部分的精加工程序</span><span lang="EN-US"> (</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">假设椭圆与</span><span lang="EN-US"> X</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">轴正半轴的交点为</span><span lang="EN-US"> A, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">与</span><span lang="EN-US"> Y</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">轴正半轴的交点为</span><span lang="EN-US"> B) , </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">所用刀具为</span><span lang="EN-US"> U40mm</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的立铣刀。</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">加工程序</span><span lang="EN-US">:</span></p> <p class="MsoNormal"><span lang="EN-US"><img src="/upload/images/201406/14024190674307.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">由于在应用比例放缩编程时</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">刀具半径是不会改变的</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">所以不能应用刀具半径补偿功能编程</span><span lang="EN-US">, </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">只能应用刀具中心编程。</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; text-decoration:none;text-underline:none"><span lang="EN-US">伯特利数控</span></span></a> </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: normal;"><o:p></o:p></span></h1> <p class="MsoNormal" align="center" style="text-align: center; line-height: 19.5pt; background-position: initial initial; background-repeat: initial initial;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/">http://www.bethel-cnc.com/</a><o:p></o:p></span></p> <p class="MsoNormal" align="center" style="text-align: center; line-height: 19.5pt; background-position: initial initial; background-repeat: initial initial;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:#666666;mso-font-kerning:0pt"><a href="http://www.bethel-cnc.com/bethel/cnc/show_39.html">CNC<span lang="EN-US"><span lang="EN-US">加工中心</span></span></a> </span><span style="mso-bidi-font-size:10.5pt; font-family:宋体;mso-bidi-font-family:宋体;color:#666666;mso-font-kerning:0pt">请选择 <span lang="EN-US"><a href="http://www.bethel-cnc.com/"><span lang="EN-US"><span lang="EN-US">伯特利数控</span></span></a><o:p></o:p></span></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=%E5%8A%A0%E5%B7%A5' target='_blank'>加工</a> <a href='/index.php?case=tag&act=show&tag=%E7%BC%96%E7%A8%8B' target='_blank'>编程</a> <div class="blank30"></div> <!--自动调用自定义字段--> <div class="blank20"></div> <div class="blank30"></div> <!-- 投票 --> <script src="/index.php?case=vote&act=view&aid=93"></script> <!-- 自定义表单开始 --> <!-- 自定义表单结束 --> <div class="blank60"></div> <!-- 上下页开始 --> <div id="page"> <strong>上一篇</strong><a href="/bethel/news/show_92.html">常用数控系统 NC编程的对比分析</a> <div class="blank10"></div> <strong>下一篇</strong><a href="/bethel/news/show_94.html">CNC高速加工综述</a> </div> <!-- 上下页结束 --> </div><!-- /container --> <!-- 相关文章开始 --> <div class="blank60"></div> <!-- 页面标题开始 --> <div class="title"> <h3><a><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=%E5%8A%A0%E5%B7%A5' target='_blank'>加工</a> <a href='/index.php?case=tag&act=show&tag=%E7%BC%96%E7%A8%8B' target='_blank'>编程</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="五轴线性刀路的局部能量光顺和避免方法" href="/bethel/5-aix/show-2960.html" target="_blank">五轴线性刀路的局部能量光顺和避免方法</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：１）本文建立了基于转角向量和双弦弓高的局部能量光顺算法，该方法以刀心点光顺前后最大许用偏移量作为约束，通过计算拐角处微小线段局部能量最优解，可使… <a href="/bethel/5-aix/show-2960.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> <!-- 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 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