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</span><span style="text-indent: 21pt; font-family: 宋体;">自动化方向发展，对凸轮机构的转速和精度也提出了更高的要求，因此利用计算机辅助设计和数控机床加工是很有必要的</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"">一</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">数控编程中的零件加工工艺分析</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"">数控加工工艺概述</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"">无论是手工编程还是自动编程，在编程前都要对所加工的零件进行工艺分析，拟订工艺方案，选择合适的刀具，确定切削用量在编程中，对一些工艺问题（如对刀点，加工路线等）也需要作一些处理</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">因此，数控编程的工艺处理是一项十分重要的工作</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"">（</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"">）数控加工的基本特点：</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">数控加工的工序内容比普通机加工的工序内容复杂</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">数控机床加工程序的编制比普通机床工艺规程的编制复杂</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">2</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）数控加工工艺的主要内容：</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">选择适合在数控上加工的零件，确定工序内容</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">分析加工零件的图纸，明确加工内容及技术要求，确定加工方案，制定数控加工路线</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">调整数控加工工序的程序分配数控加工中的容差</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">处理数控机床上部分工艺指令</span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span lang="EN-US" style="font-family: Tahoma;">2. </span><span style="font-family: 宋体;">常用数控加工办法</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span style="font-family: 宋体;">（</span><span lang="EN-US" style="font-family: Tahoma;">1</span><span style="font-family: 宋体;">）平面孔系零件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">常用点位</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">直线操控数控机床（如数控钻床）来加工，挑选技术道路时，主要思考加工精度和加工功率两个原则</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">（</span><span lang="EN-US" style="font-family: Tahoma;">2</span><span style="font-family: 宋体;">）旋转体类零件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">常用数控车床或磨床加工</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">思考加工功率：在车床上加工时，一般加工余量大，有必要合理安排粗加工道路，以进步加工功率</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">思考刀尖强度：数控车床上常用到低强度刀具加工细微凹槽</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">选用斜向进刀，不宜崩刃</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">（</span><span lang="EN-US" style="font-family: Tahoma;">3</span><span style="font-family: 宋体;">）平面概括零件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">常用数控铣床加工</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">应留意：</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">切入与切出方向操控：径向切入，工件外表留有凹坑；切向切入</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">切出，工件外表润滑</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">一次迫临办法挑选：只具有直线和圆弧插补功能的数控机床在加工不规则曲线概括时，需要用细小直线段或圆弧段去迫临被加工概括，迫临时，大概使工件差错在合格范围一起程序段的数量少为佳</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><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"">对零件图纸进行数控加工工艺性分析</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"">（</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"">）尺寸标注应符合数控加工的特点</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在数控编程中，所有点</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">线</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">面的尺寸和位置都是以编程原点为基准的</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">零件图样上最好直接给出坐标尺寸，或尽量以同一基准引注尺寸</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">2</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）零件图的完整性与正确性分析</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在编程时，编程人员必须充分掌握构成零件轮廓的几何要素参数及各几何要素间的关系</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">3</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）零件技术要求分析</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">零件的技术要求主要指尺寸精度</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">形状精度</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">位置精度</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">表面粗糙度及热处理等，这些要求在保证零件使用性能的前提下，应经济合理</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">4</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）零件材料分析</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在满足零件功能的前提下，应选用廉价切削性能好的材料；材料选择应立足国内，不要轻易选择贵重或紧缺的材料</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">5</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）定位基准选择</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在数控加工中，加工工序往往较集中，以同一基准定位十分重要</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"">有时需要设置辅助基准</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"">特别是正</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">反两面都采用数控加工的零件，其工艺基准的统一是十分必要的</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><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"">数控加工工艺路线的设计</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"">根据数控加工的特点，数控加工工序的划分一般可按下列方法进行：（</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"">）以一次安装</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">加工作为一道工序</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">这种方法适合于加工内容较少的零件，加工完后就能达到待检状态</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">2</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">）以同一把刀具加工的内容划分工序</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">但程序不宜太长，一道工序的内容也不宜太多（</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"">）以加工部位划分工序</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">4</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">）以粗</span> <span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">精加工划分工序</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">一般来说，凡要进行粗</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">精加工的过程，都要将工序分开</span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span style="font-family: 宋体;">二</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">平面凸轮的加工</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span style="font-family: 宋体;">目前，凸轮组织已成为许多高速</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">高效</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">高精度自动机</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">半自动机和自动生产线中不行短少的要害部件，作为凸轮组织中的首要零件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">凸轮的加工精度就显得尤为重要，如何加工出符合精度要求的凸轮？下面以一批平面凸轮（如图</span><span lang="EN-US" style="font-family: Tahoma;">1 </span><span style="font-family: 宋体;">所示）的加工为例予以介绍</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14065827033553.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span lang="EN-US" style="font-family: Tahoma;">1. </span><span style="font-family: 宋体;">平面凸轮零件概括图</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span lang="EN-US" style="font-family: Tahoma;">2. </span><span style="font-family: 宋体;">技术分析</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin: 3.75pt 0cm; text-indent: 21pt; line-height: 13.5pt;"><span style="font-family: 宋体;">（</span><span lang="EN-US" style="font-family: Tahoma;">1</span><span style="font-family: 宋体;">）凸轮曲线分别由几段圆弧构成，内孔为规划基准，故取内孔和一个端面为首要定位面，在衔接孔</span><span lang="EN-US" style="font-family: Tahoma;"> 20 </span><span style="font-family: 宋体;">的一个孔内增加削边销，在端面用螺母垫圈压紧</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">因孔为规划和定位基准，所以对刀点选在孔中间线与端面的交点上，这样很简单断定刀具中间与零件的相对位置</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">（</span><span lang="EN-US" style="font-family: Tahoma;">2</span><span style="font-family: 宋体;">）中间孔与衔接孔的加工</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">该凸轮零件的中间孔为</span><span lang="EN-US" style="font-family: Tahoma;">20</span><span style="font-family: 宋体;">，是个规划定位基准，要与凸轮轴合作，其尺度精度求较高，衔接孔其精度与中间孔相同，故都用钻</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">扩</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">铰</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">精铰的加工计划（</span><span lang="EN-US" style="font-family: Tahoma;">3</span><span style="font-family: 宋体;">）凸轮概括加工</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">因为该凸轮概括是由几段圆弧构成，普通机床难以对其加工，可选用数控铣床或线切割机床对其加工</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">因为选用线切割机床对其加工，虽然能确保尺度精度，可是该办法所需要的时间长，加工成本高，选用数控铣床对其加工，不但能确保尺度精度，并且加工效率高，故选用数控铣床来加工该凸轮概括</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><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"">加工顺序</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"">整个凸轮零件的加工顺序的拟定要按照</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">基面先行，先精后粗</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的原则确定</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">因此要首先加工用做定位基准的</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"">端面及其与之平行的另一面</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">其次加工作为定位和设计基准的内孔，最后进行凸轮轮廓的铣削加工</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"">加工步骤：（</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"">）坯料选择</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">选用</span><span lang="EN-US">100X100X25 </span><span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">的</span><span lang="EN-US">HT200 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的板料作为加工对象（</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"">）两平行端面的加工</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">选用平面磨床，以互为基准的方式将坯料加工到图示尺寸</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">3</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）中心孔及连接孔的加工</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">用两块</span><span lang="EN-US"> 40X40X20 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的平行垫铁将工件垫起，以</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"">平面为定位面，根据工件的基准边，用百分表将工件找正后用压板将工件压紧</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">用偏心碰触寻边器对刀，将零件的基准设为工件零点，工件上表面为</span><span lang="EN-US"> Z</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">向</span><span lang="EN-US">0 </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">4</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">）零件轮廓铣削加工</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><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"">数学处理</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"">该凸轮为阿基米德螺旋线凸轮，基圆直径为</span><span lang="EN-US"> 40</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">；左边凸轮每旋转</span><span lang="EN-US">10 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">度升程为</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"">毫米，升程误差值每</span><span lang="EN-US">10 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">度不能超过</span><span lang="EN-US">0.1 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">毫米；右边凸轮每旋转</span><span lang="EN-US"> 10 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">度升程为</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"">毫米，升程误差值每</span><span lang="EN-US"> 10 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">度不能超过</span><span lang="EN-US">0.1 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">毫米</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">根据加工要求，现将两边凸轮轮廓分解成由</span><span lang="EN-US"> 18 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">段圆弧段组成，并计算出各点坐标值</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"">用公式一：</span><span lang="EN-US"> X (t)= (20+0.1* (t- 90))*cos (t) Y (t)=(20+0.1*(t- 90))*s in (t)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">和用公式二：</span><span lang="EN-US"> X(t)= (20+0.2*(90- t))*cos (t) Y(t)=(20+0.2*(90- t))*s in(t)</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">计算出的各点坐标值为</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"">如表</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" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14065827138743.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><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"">凸轮的加工程序</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"">凸轮加工的程序及程序说明如下：</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">O0001</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N10 G90G54G00Z100.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N20 S1000M03</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N30 X0.000Y0.000Z100.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N40 X58.533Y- 24.808</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N50 Z10.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N60 G01Z0.000F100</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N70 X56.277Y- 34.550F800</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N80 G02X48.791Y- 22.552I2.256J9.742</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N90 G03X49.757Y- 5.161I- 49.525J11.471F1000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N100 G03X44.396Y11.792I- 46.622J - 5.418</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N110 G03X32.454Y25.637I- 37.518J - 20.288</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N120 G03X14.887Y32.872I- 22.795J - 30.406</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N130 G01X14.874Y32.874</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N140 G03X- 1.288Y30.961I- 4.406J - 32.016</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N150 G03X- 12.505Y30.499I- 4.326J - 31.369</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N160 G01X- 12.573Y30.484</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N170 G03X- 25.947Y24.088I7.612J - 33.097</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N180 G03X- 35.295Y13.065I22.333J - 28.414</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N190 G03X- 39.698Y- 0.368I33.608J - 18.455</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N200 G03X- 39.120Y- 14.243I39.988J - 5.282</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N210 G03X- 34.076Y- 26.964I41.216J8.981</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N220 G03X- 25.441Y- 37.339I37.792J22.671</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N230 G03X- 14.223Y- 44.618I30.104J34.111</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N240 G01X- 14.211Y- 44.624</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N250 G03X- 10.500Y- 46.128I19.876J43.709</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N260 G01Y- 56.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N270 G03X2.110Y- 66.286I10.500J - 0.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N280 G03X17.763Y- 60.911I- 12.980J63.277</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N290 G01X17.764Y- 60.910</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N300 G03X31.606Y- 51.491I- 26.962J54.503</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N310 G03X42.356Y- 38.437I- 38.811J42.913</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N320 G03X48.791Y- 22.552I- 46.582J28.117</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N330 G02X60.783Y- 15.056I9.744J - 2.248F800</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N340 G01X58.535Y- 24.800</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N350 Z10.000F100</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N360 G00Z100.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N370 X0.000Y0.000</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N380 M05</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">N390 M30</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"">该凸轮零件加工过程中，涉及了坯料的选择</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">加工顺序的确定</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">机床选用</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">装夹方式的选择</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">刀具选用</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">走刀路线安排</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">切削参数的设定等工艺内容</span> <span 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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> 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