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</span><span style="text-indent: 21pt; font-family: 宋体;">项目</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）项目要求及软件选用</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"">本项目以一级圆柱齿轮减速器作为研究对象，根据文献</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"">通过运动分析</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">力学分析等，计算得出的结构性能参数列入表</span><span lang="EN-US"> 1- 1</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">，其结构简图如图</span><span lang="EN-US">1- 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" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14050519775168.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"">减速器主要由主动齿轮轴系</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">从动齿轮轴系</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">机座及其附件等组成</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"">由于小齿轮分度圆直径与主动轴直径相差不大，把小齿轮与轴制成一体，即齿轮轴</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">大齿轮则与从动轴分开制造</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"">减速器机体采用卧式，沿轴心线水平剖分，上部为机盖，下部为机座，二者用螺栓联成一体</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">机盖上布置有机玻璃观察孔，机座上设置油标，采用浸浴飞溅润滑方式</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14050519988436.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"">减速器实体造型建模设计</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"">选用具有实体特征造型功能</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">参数化</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">单一数据库的</span><span lang="EN-US">Pro/Engineer Wildfire3.0</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）项目实施</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;">1.</span><span style="font-family: 宋体;">减速器零件造型计划</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;">通常将减速器的零件分为五类，如图</span><span lang="EN-US" style="font-family: Tahoma;">1- 2</span><span style="font-family: 宋体;">所示</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">在进行零件计划时，可按零件的不一样类型进行分类计划</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">在这些零件中，可根据计划理论的需求分先后顺序进行计划；而关于标准件类，通常可用体系供给的标准件库</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">计划时，首先进行零件构造分析，其次策划在</span><span lang="EN-US" style="font-family: Tahoma;">Pro/E</span><span style="font-family: 宋体;">体系中进行零件建模时使用特征的计划，然后再进行详细的零件造型计划</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/201407/14050520507792.jpg" alt="" /><br /> <!--[endif]--></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;">）箱体类零件的外型设计</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;">箱体类零件由箱座</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱盖构成，是减速器中重要的零件，其构造较为杂乱，精度需求高；安装后作为容器，常常用于装置传动轴齿轮，是传动零件的基座，应具有满足的强度和刚度，为了添加箱体的刚度，可在箱体上轴承座孔邻近做出加强筋，加强筋一同添加了散热面积，一同需求装有润滑液</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">观察窗等</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;">为了便于轴系部件的装置和拆卸，箱体一般做成沿轴心线水平剖分式</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱座和箱盖用螺栓联接，轴承座邻近的螺栓应尽量靠近轴承孔，以进步联接刚度</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">应合理安顿螺栓方位，并留意留出扳手空间</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;">为确保箱座和箱盖的彼此方位准确性，选用圆锥销定位</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">为防止润滑油沿接合面向外渗漏，箱座和箱盖应紧密配合</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">为确保减速器安顿在基座上的稳定性并尽可能削减箱体底座平面的机械加工面积，箱座底面处做出凸台</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;">因为箱体构造杂乱，形成其特征的方法许多</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">考虑到箱座</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱盖是一个壳体构造，而且它们沿安装触摸面的概括构造</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">尺度一样，所以能够将它们放在一同作为全体来规划，完成后沿安装面用平面切开后即得到上</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">下箱体，这样规划既简略</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">便利又能确保后续的安装顺利进行</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;">依据以上分析，箱体零件外型规划的次序为：构造箱体主体；发生凸缘</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">底座特征；构建轴承座特征；构建加强筋</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">窥探方孔</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">油尺孔特征；树立螺纹孔</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">倒角特征；分割箱体得到箱座</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱盖如图</span><span lang="EN-US" style="font-family: Tahoma;"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-left:18.0pt;text-indent:21.0pt;mso-char-indent-count: 2.0;mso-list:l0 level1 lfo1;tab-stops:list 18.0pt"><!--[if !supportLists]--><span lang="EN-US">1-<span style="font-size: 7pt; font-family: 'Times New Roman';"> </span></span><!--[endif]--><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"">及图</span><span lang="EN-US">1- 4</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" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14050520672026.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"">（</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"">）轴类零件的造型设计</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"">轴的造型设计较为简单</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"">直接可用实体旋转造型方式形成，下面仅介绍一个轴的造型设计过程</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"">首先进人建立实体文件的环境，建立默认的基准面体系，进人草图状态，绘制旋转剖面，设定旋转角度为</span><span lang="EN-US"> 360 </span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">，生成轴实体特征</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">再切除实体产生键槽特征及小端的螺纹孔及顶尖孔，此时即完成如图</span><span lang="EN-US">1- 5</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">所示的轴</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14050521295107.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"">（</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"">）轮类零件的造型设计</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"">轮类零件分为两种，一种是齿轮，另一个是带轮</span> <span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如果系统含有标准件</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">通用件库</span> <span style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">则直接调用此库即可；如果没有，则要进行造型设计</span> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">对于带轮的造型设计较为简单，而齿轮比较复杂，下面以齿轮为例，介绍造型设计过程</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"">由于齿轮面是一个渐开线齿廓曲面，而渐开线的几何意义是一个点绕一个圆旋转时，点与圆心的距离逐渐加大，因此我们可以利用变截面扫描</span><span lang="EN-US">(Variable Section Sweep)</span><span style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">的作法</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"">使一条直线沿着圆弧线作扫描</span><span lang="EN-US">(Sweep),</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">而在描</span><span lang="EN-US">(Sweep)</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">过程中，以渐开线数学式控制直线至圆心的距离</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US"><img src="/upload/images/201407/14050521419026.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;">2.</span><span style="font-family: 宋体;">减速器安装规划</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;">减速器的安装规划是按减速器的安装次序进行的，先完成部件的安装，然后再由部件安装变成减速器，出产实际中将减速器分为大齿轮部件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">小齿轮部件</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱座</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">箱盖，先进行大</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">小齿轮部件的安装，然后再将大</span><span style="font-family: Tahoma;"> </span><span style="font-family: 宋体;">小齿轮部件安装到箱座上，最终进行全体的安装</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/201407/14050521719794.jpg" alt="" /><br /> <!--[endif]--></span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><img src="/upload/images/201407/14050522154719.jpg" alt="" /></p> <p class="MsoNormal" align="center" style="margin-top:4.5pt;margin-right:0cm; margin-bottom:7.5pt;margin-left:0cm;text-align:center;line-height:13.5pt; mso-pagination:widow-orphan;mso-outline-level:1"><b><span style="mso-bidi-font-size: 10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:#666666;mso-font-kerning: 0pt">本文由<span lang="EN-US"> </span></span></b><b><u><span style="mso-bidi-font-size: 10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:#333333;mso-font-kerning: 0pt">伯特利数控</span></u></b><b><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-bidi-font-family:宋体;color:#666666;mso-font-kerning:0pt">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 lang="EN-US"><o:p></o:p></span></span></b></p> <p class="MsoNormal" align="center" style="text-align:center;text-indent:21.0pt; mso-char-indent-count:2.0;mso-pagination:widow-orphan"><span lang="EN-US" 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list-border-w"> <div class="list-date"> <span>09</span> <p>2014-10</p> </div> <h4><a title="钻攻中心装夹臂式刀库和同动式刀库的差别" href="/bethel/wd/show_446.html" target="_blank">钻攻中心装夹臂式刀库和同动式刀库的差别</a></h4> <p>现在钻攻中心普遍都是BT30规格的直联式主轴，同动式刀库一般是用在高速加工中心BT40规格的直联式主轴，夹臂式刀库相对比较合适BT30规格的主轴。从外形上看，夹臂式刀库是前置在主轴箱前面的，同动式刀库与普通的圆盘式刀库没大区别。夹臂式刀库装刀数量常见16和21位，同动式刀库装刀数… <a href="/bethel/wd/show_446.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>09</span> <p>2014-10</p> </div> <h4><a title="钻攻中心装同动式刀库的好处" href="/bethel/wd/show_445.html" target="_blank">钻攻中心装同动式刀库的好处</a></h4> <p>同动式刀库虽然与普通的圆盘式刀库的外观并无大差异，但同动式刀库运用的前提是主轴必须是直结式主轴，而因此产生的取消环形打刀缸而采用机械凸轮机构实现杠杆式打刀，从而消除了由于直结式主轴的多项弊端。同动式刀库更适合BT40的主轴，而且装刀数量一般是20/24把要比夹臂式16把多。… <a href="/bethel/wd/show_445.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>23</span> <p>2014-09</p> </div> <h4><a title="按进给数控机床伺服系统的控制原理分类" 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