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style="text-indent: 21pt; font-size: 12pt; font-family: 宋体;">圆柱凸轮设计中的首要疑问</span></p> <p class="MsoNormal" align="left" style="text-indent: 21pt;"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning: 0pt">圆柱凸轮需求在圆柱形的表面上加工凹槽<span lang="EN-US">,</span>因而在加工中一方面需求凸轮的旋转运动<span lang="EN-US">,</span>另一方面需求铣刀沿<span lang="EN-US"> X</span>轴或丫轴的移动<span lang="EN-US">,</span>所以圆柱凸轮虽然在规划办法上与盘形凸轮的规划办法根本一样<span lang="EN-US">,</span>但在数控加工中有必要选用带有数控分度头的四坐标联动<span lang="EN-US"><a href="http://www.bethel-cnc.com/" target="_blank"><span lang="EN-US"><span lang="EN-US">数控铣床</span></span></a></span>或加工中间进行加工<span lang="EN-US">,</span>且在生成的数控代码中有必要使数控分度头的转角指令<span lang="EN-US"> A</span>与铣刀沿<span lang="EN-US"> X</span>轴或<span lang="EN-US"> Y</span>轴的移动指令相配合。因而在圆柱凸轮中首要的规划疑问有两个<span lang="EN-US">:</span>①选用直线迫临法还是圆弧曲线迫临法生成圆柱凸轮的非圆曲线。②如何在数控代码中生成数控分度头的转角指令<span lang="EN-US"> A,</span>并使<span lang="EN-US"> A</span>与铣刀沿<span lang="EN-US"> X</span>轴的移动指令相配合。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="text-indent: 21pt;"><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体; mso-bidi-font-family:宋体;mso-font-kerning:0pt">2 </span><span style="font-size: 12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; mso-font-kerning:0pt">圆柱凸轮曲线的迫临方式<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="text-indent: 21pt;"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning: 0pt">关于上述两个首要规划疑问<span lang="EN-US">,</span>咱们能够作如下分析<span lang="EN-US">:</span>关于由非圆曲线构成的圆柱凸轮<span lang="EN-US">,</span>能够选用圆弧迫临法或直线迫临法生成非圆曲线。现就两种办法作一比较。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="text-indent: 21pt;"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning: 0pt">①选用圆弧迫临法<span lang="EN-US">,</span>则在一样的答应误差范围内<span lang="EN-US">,</span>能够取较少的节点数<span lang="EN-US">,</span>能够减少核算时刻和数控程序中的<span lang="EN-US"> NC</span>代码数量<span lang="EN-US">,</span>进步加工功率<span lang="EN-US">,</span>但生成的数控指令是<span lang="EN-US"> G02,G03</span>等圆弧插补指令<span lang="EN-US">,</span>无法与数控分度头的转角指令<span lang="EN-US"> A</span>相联系<span lang="EN-US">,</span>因而不能满意凸轮旋转的转角指令<span lang="EN-US"> A</span>与铣刀的移动指令相配合的需求。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="text-indent: 21pt;"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning: 0pt">②选用直线迫临法<span lang="EN-US">,</span>则在一样的答应误差范围内所取的节点数较多<span lang="EN-US">,</span>形成核算时刻较长<span lang="EN-US">,</span>但生成的数控指令中只要铣刀沿<span lang="EN-US"> X</span>方向的直线移动指令<span lang="EN-US"> G01,</span>假如能够将直线移动指令与数控分度头的转角指令<span lang="EN-US">A</span>联系起来<span lang="EN-US">,</span>就能够完成凸轮的旋转运动与铣刀的直线运动的配合<span lang="EN-US">,</span>这样就有效的处理了上述两个首要疑问。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">3 </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">圆柱凸轮专用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">CAD/CAM</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">软件的设计</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" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">3.1 </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">开发工具的选择</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" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">VC++6.0</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">是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> Microsoft</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">公司迄今开发的功能最为强大的软件开发工具</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">是新一代</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> CAD/CAM</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">软件的主要开发平台。概括地说</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">选用</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> VC+6.0</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">开发机械</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> CAD/CAM</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">应用软件有下列一些优点</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">①</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> MFC</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">应用程序支持文档</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">视图结构</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">而一般的机械</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">CAD/CAM</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">应用软件都采用文档与视图相结合的程序框架。②采用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> VC++6.0</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">可以方便的开发</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt"> CAD</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">基础几何类库</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">通用绘图类等</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">以及进行各种图形输出。③采用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> MFC</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">可以方便的开发美观实用的用户界面。总之</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">选用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> VC++6.0</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">来开发具有很多优点</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">可以大大的简化开发难度</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">缩短开发周期。</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" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">3.2 </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">软件各组成模块的功能</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" 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">一个完善的</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> CAD/CAM</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">系统应该具有以下功能</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">根据用户的要求进行零件的设计和造型</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">提供编程所需的工艺参数、获取用户输入的工艺参数即优化处理机制</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">图形数据处理</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">按照某一数控系统的要求生成数控代码</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">读取生成的代码进行加工仿真</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">经过通信程序传送给机床数控系统。本凸轮</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> CAD/CAM</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">软件基本具有上述的全部功能。</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" 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">①参数信息录入模块</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">本模块主要由用户输入有关凸轮的几何参数和运动参数</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">如基圆半径、偏心距、滚子半径</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">从动件位移和运动规律等。</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" 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">②参数初步检验模块</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">本模块初步检验圆柱凸轮输入参数的合理性</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">如输入参数的类型是否正确</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">滚子半径是否合理</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">偏距</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> e</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">的大小是否在允许范围内等。</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" 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">③图形生成模块</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">本模块主要根据所获得的凸轮各参数</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">利用一定的算法生成凸轮的轮廓曲线。在此涉及到的算法和图形生成方法主要是</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">采用等转角直线逼近法生成凸轮槽曲线</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">同样</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> Vc++6.0</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">的图片框中以位图方式显示出来。并调用</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> AutoCAD</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">进行绘图。</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" 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">④图形检验及误差分析模块</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">本模块一方面根据凸轮轮廓的设计结果对从动件的压力角等参数进行分析计算和检验</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">如不符合要求</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">则要重新设计或修改</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">另一方面利用数学算法分析直线逼近曲线所产生的误差</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">并检验是否满足最大误差值不大于允许误差值的要求。如不满足则可重新选取步距</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">以减小误差。</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" 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">⑤工艺参数获取及处理模块</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">在本模块中首先建立工艺参数选择的用户界面和刀具数据库</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">让用户选择和查询有关刀具类型、进给速度、主轴转速、工件材料等加工工艺参数</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">并在用户参数选择界面中根据所设计的凸轮轮廓线参数给出相应的参考值</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">方便用户使用和更改。</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" 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">⑥后置处理模块</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">在本模块中引入了通用后置处理配置参数输入界面</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">界面中包括数控系统、机床类型、坐标系统定义方式、数控程序格式、符号定义方式等</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">用户可以通过修改这些参数来方便地配置自己想要的后处理方式。模块中还建立了数控系统数据库</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">数据库中包括一些常用的数控系统</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">这里主要是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt"> FANGC-QM</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、美国的</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> A-B</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">系统和华中</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> I</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">型数控系统</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">及相关配置</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">用户在选择数控系统后即可得到相应的参数配置</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">同时还可以更新和扩充数据库</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">在下次使用时即可方便地调用。</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" 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">⑦加工仿真模块</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">本模块主要用来检验所生成的</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt"> NC</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">代码正确与否</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">是否符合加工要求。因此首先读取和识别</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> NC</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">代码文件</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">获得刀心轨迹上每一点的坐标值</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">并画出刀具轨迹</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">显示在屏幕上。</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" 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">⑧通信模块</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">用户在本模块中设置通信端口、波特率、数据位数、校验位等通信参数</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">将数控代码传送给机床数控系统进行加工</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">或者将数控代码传送至其它计算机进行加工仿真与保存。</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" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">4 </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">本软件的特点</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" 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">凸轮机构能将凸轮的旋转运动变成从动件有规律的运动</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">被广泛应用于各类机械中。作者在深入研究我国有关凸轮设计软件的技术现状、凸轮的工作要求和设计方法</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">以及</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> CAD/CAM</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">的相关技术后</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">设计开发了本软件</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">该软件具有较全面的功能和一些新的特点</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">①该软件可完成对圆柱凸轮的设计和编程工作</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">减少了人工设计和手工编程的时间</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">提高了设计和加工的效率。②通过输入不同参数</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">可以满足不同参数圆柱凸轮和不同运动精度要求的圆柱凸轮的设计和自动编程。③本软件实现了用同一个软件实现圆柱凸轮的设计与自动编程</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">真正实现了</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt"> CAD</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">与</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> CAM</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">的一体化。</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" 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">虽然本软件具有以上功能和特点</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">在我国的中小型企业中应具有广阔的应用前景和巨大的经济价值</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">但由于作者时间、精力、能力及试验环境等因素的制约</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">还有一些功能有待进一步的完善和加强。</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" 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 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target="_blank">ＵＧ的ＸＺＣ车铣复合中心后处理构建技术</a></h4> <p>结 合 车铣复合加工中心说明书，应 用ＵＧ软 件ＰｏｓｔＢｕｉｌｄｅｒ开发 了ＸＺＣ类 机 床 后 置 处 理，能 够 快 捷 实 现ＵＧ自动 编 程 中 车、铣、孔等操作的程序后处理，文 中 对 后处 理 创 建 从 初 始 化 运 动、运 动 前 设 置、机 床 运 动 前、… <a href="/bethel/5-aix/show-2925.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>04</span> <p>2024-11</p> </div> <h4><a title="五轴加工中心后处理算法研究和验证" href="/bethel/5-aix/show-2877.html" target="_blank">五轴加工中心后处理算法研究和验证</a></h4> <p>本文通过对五轴加工中心的三种类型的结构特点进行具体的运动分析，建立了数学模型推导出各类机床的后置处理算法。并通过UG NX进行建模并进行后处理与算法得到的后处理数据进行对比，证明了文中算法的正确性。通过所推导的数学公式得知，坐标的角度变换与转台的转动相关。所推导的数学模型为最基础… <a href="/bethel/5-aix/show-2877.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>04</span> <p>2024-11</p> </div> <h4><a title="五轴刀具切削加工误差非线性插补" href="/bethel/5-aix/show-2871.html" target="_blank">五轴刀具切削加工误差非线性插补</a></h4> 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