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"/images/banner/s5.jpg"; var randomBgIndex = Math.round( Math.random() * 4 ); //输出随机的背景图 document.write('<style>.banner{background:url(' + bodyBgs[randomBgIndex] + ') no-repeat 50% bottom}</style>'); //]]> </script> <section> <div class="banner" style="height:160px;"> </div> </section> <!-- 面包屑导航开始 --> <div class="container "> <nav class="sub_menu"> <ol class="breadcrumb"><span class="glyphicon glyphicon-list"></span> <li><a href="/">网站首页</a></li> <li><a title="技术文章" href="/bethel/NC">技术文章</a></li> <li><a title="数控文章" href="/bethel/news">数控文章</a></li> </ol> </nav> </div> <!--/sub_menu--><!-- 面包屑导航结束 --> <!-- 页面标题开始 --> <div class="title"> <h3><a>基于数控加工中心的箱体类零件的加工工艺设计<small></small></a></h3> </div> <!-- 页面标题结束 --> <hr class="featurette-divider"> <!-- 中部开始 --> <div class="container"> <!-- 正文 --> <div class="lead" id="print"> <p><span style="font-size: small;"> <span style="line-height: 12.25pt; text-align: justify; background-color: transparent;">1加工特征单元加工方法的选择</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt">加工方法选择实际上是将零件信息与实际工厂加工能力信息进 行匹配的过程同一种加工方法在不同的工作条件下所能达到的精度 会有所不同零件是由许多表面组成的,包含多种切削加工表面如外 圆、孔、槽、平面等对任何一种典型加工表面都有自己的典型加工方 法,，以螺纹孔为例介绍加工方法匹配通常在数控加工中心上丨點文孔 的加工过程为</span><span class="46Garamond"><span lang="EN-US">JT</span></span><span class="460pt">中心孔、钻孔、攻丝三个步骤则该加工方法和加工 顺序即为螺纹孔加工方法匹配规则 2刀具的管理</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"><span style="font-family: SimSun;"> 2.1</span></span><span class="460pt">刀具管理系统概述。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 刀具管理就是及时而准确地对指定的机床 提供适用的刀具以便在维持较好的设备利用率的情况下生产出所 需数量的合格产品刀具管理的系统的主要任务包括刀具室的控制与 管理、刀具的监控、刀具信息的传输等。</span></span></p> <p><span style="font-size: small;"> <!--[if !supportTextWrap]--> <!--[endif]--> </span></p> <p class="460" style="margin-top:1.35pt;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;"><span class="460pt">要实现刀具的自动选取，就必须对刀具信息进行合理的存储和 管理图是刀具在生产中的的物理流动路线，它在刀库、对刀仪、机床、 修磨台之间循环。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="46Garamond1"><span lang="EN-US"> 2.2</span></span><span class="460pt">刀具的分类与编码。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 对于不同类型的刀具进行分类、编码管理是 刀具自动化选择的第一步对于捏铣类加工中心可将刀具分为镗刀和 铣刀两大类根据加工方法可以分为粗加工刀具和精加工刀具两大 类本文根据不同的特征型面类型及其加工方法，将刀具类型划分如 下銑刀类刀具面粗铣刀、面精铣刀</span><span class="460pt"><span style="font-family: SimSun;">(</span></span><span class="460pt">端铣刀）、槽精铣刀、槽精铣刀 </span><span class="460pt"><span style="font-family: SimSun;">(</span></span><span class="460pt">柱铣刀</span><span class="460pt"><span lang="EN-US">）、</span></span><span class="46Garamond"><span lang="EN-US">T</span></span><span class="460pt">形槽铣刀等，钻捏类刀具镗刀、钻头、中心钻、阶梯钻、丝 锥等；</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt">刨削类刀具刨刀对刀具进行分类后再对其编码将刀具编分 为两部分类型代码和常规代码其中类型代码主要用于识别刀具的 类型而常规代码用于识别该类型中的每一把刀具，它同时可以用来 简单地识别刀具的基本参数本文将刀具类型及其相应的刀具类型代 码列表如下：</span></span></p> <div align="center"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;mso-table-layout-alt:fixed;mso-padding-alt: 0cm 0cm 0cm 0cm"> <tbody> <tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes;height:13.7pt;mso-height-rule: exactly"> <td width="92" valign="bottom" style="width: 69.1pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.7pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">刀具类型</span></p> </span></td> <td width="71" valign="bottom" style="width: 53.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.7pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">代码</span></p> </span></td> <td width="94" valign="bottom" style="width: 70.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.7pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">刀具类型</span></p> </span></td> <td width="80" valign="bottom" style="width: 59.75pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.7pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">代码</span></p> </span></td> </tr> <tr style="mso-yfti-irow:1;height:13.2pt;mso-height-rule:exactly"> <td width="92" style="width: 69.1pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">面粗铣刀</span></p> </span></td> <td width="71" style="width: 53.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">15</span></span></p> </td> <td width="94" style="width: 70.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">钻头</span></p> </span></td> <td width="80" style="width: 59.75pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">21</span></span></p> </td> </tr> <tr style="mso-yfti-irow:2;height:13.2pt;mso-height-rule:exactly"> <td width="92" style="width: 69.1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">面精铣刀</span></p> </span></td> <td width="71" style="width: 53.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">20</span></span></p> </td> <td width="94" style="width: 70.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">阶梯钻</span></p> </span></td> <td width="80" style="width: 59.75pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">31</span></span></p> </td> </tr> <tr style="mso-yfti-irow:3;height:13.2pt;mso-height-rule:exactly"> <td width="92" style="width: 69.1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">槽粗铣刀</span></p> </span></td> <td width="71" style="width: 53.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">13</span></span></p> </td> <td width="94" style="width: 70.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">丝锥</span></p> </span></td> <td width="80" style="width: 59.75pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">61</span></span></p> </td> </tr> <tr style="mso-yfti-irow:4;height:13.45pt;mso-height-rule:exactly"> <td width="92" style="width: 69.1pt; padding: 0cm; height: 13.45pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">槽精铣刀</span></p> </span></td> <td width="71" style="width: 53.3pt; padding: 0cm; height: 13.45pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">36</span></span></p> </td> <td width="94" style="width: 70.3pt; padding: 0cm; height: 13.45pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">铰刀</span></p> </span></td> <td width="80" style="width: 59.75pt; padding: 0cm; height: 13.45pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">21</span></span></p> </td> </tr> <tr style="mso-yfti-irow:5;height:13.2pt;mso-height-rule:exactly"> <td width="92" valign="bottom" style="width: 69.1pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2Garamond">T</span><span class="2MingLiU">型槽铣刀</span></p> </span></td> <td width="71" valign="bottom" style="width: 53.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">34</span></span></p> </td> <td width="94" valign="bottom" style="width: 70.3pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">镗刀</span></p> </span></td> <td width="80" valign="bottom" style="width: 59.75pt; padding: 0cm; height: 13.2pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">71</span></span></p> </td> </tr> <tr style="mso-yfti-irow:6;mso-yfti-lastrow:yes;height:14.15pt;mso-height-rule: exactly"> <td width="92" style="width: 69.1pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 14.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">刨刀</span></p> </span></td> <td width="71" valign="bottom" style="width: 53.3pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 14.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">82</span></span></p> </td> <td width="94" style="width: 70.3pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 14.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"> </p> <span style="font-size: small;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:6.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span class="2MingLiU">中心钻</span></p> </span></td> <td width="80" valign="bottom" style="width: 59.75pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 14.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="20" style="margin:0cm;margin-bottom:.0001pt;text-indent:0cm; line-height:9.0pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:252.5pt;mso-element-wrap:no-wrap-beside; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column; mso-element-left:center;mso-element-top:.05pt;mso-height-rule:exactly"><span style="font-size: small;"><span class="2Garamond">12</span></span></p> </td> </tr> </tbody> </table> </div> <div> <table cellspacing="0" cellpadding="0" hspace="0" vspace="0" width="337" align="center"> <tbody> <tr> <td valign="top" align="left" style="padding-top:0cm;padding-right:0cm; padding-bottom:0cm;padding-left:0cm"> <p class="MsoNormal"><span style="font-size: small;"><span lang="EN-US" style="color: windowtext;"> </span></span></p> </td> </tr> </tbody> </table> </div> <p><span style="font-size: small;"> <!--[if !supportTextWrap]--><br /> </span></p> <p class="460" style="margin-top:.65pt;text-align:justify;text-justify:inter-ideograph; line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"><span style="font-family: SimSun;"> 2.3</span></span><span class="460pt">刀具的几何参数信息。</span></span></p> <p class="460" style="margin-top:.65pt;text-align:justify;text-justify:inter-ideograph; line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 每一把刀具都包含两种信息静态信息是 指刀具的描述信息刀具识别码和刀具参数等动态参数是指刀具所 在的位置及刀具的累计使用时间等对于每一把刀具，不仅有编码信 息还有几何信息在此几何信息是刀具信息的重要组成部分,它可以 为工艺过程设计提供刀具的详细资料以满足</span><span class="46Garamond"><span lang="EN-US">CAPP</span></span><span class="460pt">对刀具自动化选 择的需求因此对刀具的结构和几何参数进行详细的描述是很必要 的。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt">刀具的标准化问题也是一个重要的环节，应结合加工工艺过程 的标准化考虑尽量采用通用刀具少用特殊的非标准刀具采用标准 化的刀夹装置使用可调刀具可以减少刀具的种类在刀具标准化的 前提下可以将不同类型的刀具的几何参数输入通过</span><span class="46Garamond"><span lang="EN-US">CAD</span></span><span class="460pt">的参数化 设计</span><span class="46Garamond">I</span><span class="460pt">俞出刀具的简图这样可以为刀具管理员和工艺过程设计者提 供更为直观详细的刀具信息。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"><span style="font-family: SimSun;"> 2.4</span></span><span class="460pt">刀具的选择及匹配。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 在刀具信息比较完备的情况下就可以进行 刀具的选择和匹配根据零件的型面类型信息和几何信息、加工方法 信息来配置适当的刀具刀具自动匹配的步骤如下</span><span class="460pt"><span style="font-family: SimSun;">1)</span></span><span class="460pt">从数据库中读 入特征型面的类型和型面的加工方法</span><span class="460pt"><span style="font-family: SimSun;">2)</span></span><span class="460pt">判断刀具类型根据输入的型 面类型和加工方法来确定相应的刀具类型。</span><span class="460pt"><span style="font-family: SimSun;">3)</span></span><span class="460pt">刀具几何参数的匹配调 用零件特征型面对应的的几何信息，并根据刀具类型检索刀具信息， 选择适当的刀具</span><span class="460pt"><span style="font-family: SimSun;">4)</span></span><span class="460pt">刀具数量的判断。</span><span class="46Garamond"><span lang="EN-US">a</span></span><span class="460pt"><span style="font-family: SimSun;">.</span></span><span class="460pt">多把刀具的优化选择选择的 方法主要是通过模糊逻辑推理来实现的。</span><span class="46Garamond"><span lang="EN-US">b</span></span><span class="460pt">在没有适合的刀具的情况 下系统应提示缺刀并提供特征型面的几何信息给刀具管理员进行 刀具准备然后再次进行刀具的匹配</span><span class="46Garamond"><span lang="EN-US">f</span></span><span class="460pt"><span style="font-family: SimSun;">.</span></span><span class="460pt">一把刀的情况则该刀具为是 刀具匹配的最终结果</span><span class="460pt"><span style="font-family: SimSun;">5)</span></span><span class="460pt">刀具匹配结束进行下一步的工作。刀具选择 的人工干预本系统提供了人工干预刀具选择的功能庄系统提供适 合的刀具类型的所有刀具庄人工选择适合的刀具该功能增加了刀 具选择的柔性。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 3切削参数的选择</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt">实现了刀具的自动选择大大提高了工艺过程设计的效率，但在 刀具使用过程中还要涉及到切削用量的选择的问题。切削参数一般 是指切削速度(</span><span class="46Garamond">V</span><span class="46-1pt">)、迸给量</span><span class="46-1pt"><span style="font-family: SimSun;">(</span></span><span class="46Garamond"><span lang="EN-US">F</span></span><span class="460pt"><span style="font-family: SimSun;">)</span></span><span class="460pt">和切削深度</span><span class="460pt"><span style="font-family: SimSun;">(</span></span><span class="46Garamond"><span lang="EN-US">Ap</span></span><span class="460pt"><span style="font-family: SimSun;">)</span></span><span class="460pt"><span lang="EN-US">。</span></span><span class="460pt">这些参数值的选择对 于加工时间、切削表面的质量、加工精度、机床应提供的切削力和切削 功率以及加工费用等会产生直接影响而且很多约束条件又是相互 制约的。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 4加工余量的确定</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt">加工余量的确定方法主要有分析计算法、查表法及经验法。查 表法是根据资料整理而得的通用表格，可以直接查出工序间余量的推 荐值比较方便、迅捷经验法是由有经验的技术人员根据经验对查表 所的数据进行修正或直接确定。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 5装夹方案的确定和工序的安排</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"><span style="font-family: SimSun;"> 5.1</span></span><span class="460pt">装夹方案的安排。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 装夹方案的安排必须要考虑到零件加工的粗、 精基准选择原则。一般说来在精度和粗糙度能满足的情况下在数控 加工中心上应尽量减少装夹次数以发挥数控机床的高效率。加工基 准的选择是一个较为复杂的决策过程。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"><span style="font-family: SimSun;"> 5.2</span></span><span class="460pt">装夹内工步的排序。</span></span></p> <p class="460" style="text-align:justify;text-justify:inter-ideograph;line-height: 12.25pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;"><span class="460pt"> 工艺方案的确定和工步排序一直都是</span><span class="46Garamond"><span lang="EN-US">CAPP </span></span><span class="460pt">决策的一个难题基于数控加工中心的工步排序规则主要有如下几 条</span><span class="460pt"><span style="font-family: SimSun;">1)</span></span><span class="460pt">先粗加工后精加工</span><span class="460pt"><span style="font-family: SimSun;">, ,2</span></span><span class="460pt"><span lang="EN-US">：</span></span><span class="460pt"><span style="font-family: SimSun;">)</span></span><span class="460pt">先平面加工后孔槽类型面加工。</span><span class="460pt"><span style="font-family: SimSun;">3)</span></span><span class="460pt">换刀 优先的原则</span><span class="460pt"><span style="font-family: SimSun;">4)</span></span><span class="460pt">槽及无精度要求的孔等启、是安排在半精加工和精加 工之间进行</span><span class="460pt"><span style="font-family: SimSun;">,,5</span></span><span class="460pt"><span lang="EN-US">：</span></span><span class="460pt"><span style="font-family: SimSun;">)</span></span><span class="460pt">孔精加工时面与孔一起加工以保证端面与孔的垂 直度要求。</span></span></p> <p><span style="font-size: small;"><span class="460pt"> 本文研究箱体类零件基于数控加工中心过程的设计方法及步 骤并对加工工序的匹配、刀具选择、切削用量的选择、工艺尺寸的确 定、装夹方案的安排及装夹内的工序排序进行了详细的分析和研究。 </span></span></p> <p><span style="font-size: small;"> </span></p> <p><span style="font-size: small;"><span style="font-family: 宋体;">本文由伯特利数控整理发表文章均来自网络仅供学习参考，转载请注明！</span></span></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>数控加工中心</a> <a 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