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transparent;"><span style="font-family: SimSun;">1.4</span></span><span class="100pt" style="line-height: 12pt; background-color: transparent;">论又研究的内容及目的</span></span></p> <div class="Section1"> <p class="100" style="margin:0cm;margin-bottom:.0001pt;line-height:37.9pt; mso-line-height-rule:exactly;background:transparent"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"></st1:chsdate><span style="font-size: x-small;"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="100pt"><span style="font-family: SimSun;">1.4.1</span></span></st1:chsdate><span class="100pt">研究的对象</span></span></p> <p class="891" style="margin-top:0cm;line-height:37.9pt;mso-line-height-rule: exactly;background:transparent"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"></st1:chsdate></st1:chsdate></p> <span style="font-size: x-small;"> <p class="891" style="margin-top:0cm;line-height:37.9pt;mso-line-height-rule: exactly;background:transparent"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="89-1pt"><span lang="EN-US">1.4.1</span></span></st1:chsdate><span class="89-1pt"><span lang="EN-US">.1</span></span></st1:chsdate><span class="890">机床概述</span></p> </span> <p class="891" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:28.0pt;line-height:21.85pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: x-small;"><span class="89">本论文以</span><span class="89"><span style="font-family: SimSun;">1060</span></span><span class="89">型立式加工中心进行研究，该加工中心为立式床身式结构，进给轴为</span><span class="89Constantia">X</span><span class="89">、</span><span class="89Constantia"><span lang="EN-US">Y</span></span><span class="89">、</span><span class="89Constantia"><span lang="EN-US">Z</span></span><span class="89">三座标控制， 最大快移速度达</span><span class="89"><span style="font-family: SimSun;">20</span></span><span class="89Constantia"><span lang="EN-US">m</span></span><span class="89"><span style="font-family: SimSun;">/</span></span><span class="89Constantia"><span lang="EN-US">min</span></span><span class="89"><span style="font-family: SimSun;">(</span></span><span class="89Constantia"><span lang="EN-US">Z</span></span><span class="89">轴：</span><span class="89"><span style="font-family: SimSun;">15</span></span><span class="89Constantia"><span lang="EN-US">m</span></span><span class="89"><span style="font-family: SimSun;">/</span></span><span class="89Constantia"><span lang="EN-US">min</span></span><span class="89"><span style="font-family: SimSun;">);</span></span><span class="89">主轴为伺服电机动力驱动，功率为 </span><span class="89-1pt"><span lang="EN-US">7.5/11</span></span><span class="89Constantia"><span lang="EN-US">Kw</span></span><span class="89">，</span><span class="89">最高转速达</span><span class="89"><span style="font-family: SimSun;">8000</span></span><span class="89Constantia"><span lang="EN-US">rpm</span></span><span class="89"><span style="font-family: SimSun;">;</span></span><span class="89">采用台湾进口上银双螺母预压</span><span class="89Constantia"><span lang="EN-US">C</span></span><span class="89"><span style="font-family: SimSun;">3</span></span><span class="89">级滚珠丝杠和 重载精密滚动直线导轨，丝杠两端采用预拉伸机构，大大消除了热变形对机床精 度的影响，机床定位精度达</span><span class="89"><span style="font-family: SimSun;">±0.0</span></span><span class="89">〇</span><span class="89"><span style="font-family: SimSun;">5</span></span><span class="89Constantia"><span lang="EN-US">mm</span></span><span class="89">，</span><span class="89">重复定位精度达</span><span class="89"><span style="font-family: SimSun;">±0.003</span></span><span class="89Constantia"><span lang="EN-US">mm</span></span><span class="891pt"><span style="font-family: SimSun;">;</span></span><span class="891pt">采用进口台 </span><span class="89">湾刀库，容量</span><span class="89"><span style="font-family: SimSun;">16-24</span></span><span class="89">把可选，换刀准确可靠，最快换刀时间小于</span><span class="89"><span style="font-family: SimSun;">2.5</span></span><span class="89">秒；机床数 控操作系统可以客户自选，机床能够实现对各种盘类、板类、壳体、凸轮、模具 等复杂零件一次装夹，完成钻、铣、镗、扩、铰、攻丝等多种工序加工，适合于 多品种、中小批量产品的生产，对复杂、高精度零件的加工更能显示其优越性； 机床如配置第四、五轴，可实现对复杂回转类零件的高效、高精自动化加工。机 床适合航空航天、军工国防、汽车摩托车、工程机械、制冷石化、机车车辆等行 业的中小型零件的高效、高精自动化加工。</span></span></p> <p class="891" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:28.0pt;line-height:21.85pt;mso-line-height-rule:exactly;background: transparent"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"></st1:chsdate><span style="font-size: x-small;"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="14-1pt"><span lang="EN-US">1.4.1</span></span></st1:chsdate><span class="14-1pt"><span lang="EN-US">.2</span></span><span class="14">机床主要规格及技术指标</span></span></p> <p class="891" style="margin-top:0cm;margin-right:9.0pt;margin-bottom:0cm; margin-left:9.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:25.0pt;line-height:21.85pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: x-small;"><span class="89">釆用床身式加工中心结构，机床由底座、滑座、工作台、立柱、主轴箱组成； 机床采用台湾进口的高速高精高刚性主轴单元，主轴材质选用高性能合金刚，选 用</span><span class="89Constantia"><span lang="EN-US">NSK</span></span><span class="89">主轴专用的</span><span class="89Constantia"><span lang="EN-US">P</span></span><span class="89"><span style="font-family: SimSun;">4</span></span><span class="89">级高速精密轴承，并使用</span><span class="89Constantia"><span lang="EN-US">NSK</span></span><span class="89">指定高速润滑脂，主轴转 速达</span><span class="89"><span style="font-family: SimSun;">8000</span></span><span class="89Constantia"><span lang="EN-US">rpm</span></span><span class="89">，</span><span class="89">主轴径向跳动小于0.005/300。主轴可实现中心出水或主轴鼻端出 水的冷却方式，主轴配置中心出气功能，可吹掉刀柄锥部粘有的切屑等杂物，保 护主轴及刀柄的寿命；</span><span class="89Constantia">X</span><span class="89">、</span><span class="89Constantia"><span lang="EN-US">Y</span></span><span class="89">、</span><span class="89Constantia"><span lang="EN-US">Z</span></span><span class="89">方向进给采用高档的精密滚珠丝杠，级别达到 </span><span class="89Constantia"><span lang="EN-US">C</span></span><span class="89"><span style="font-family: SimSun;">3</span></span><span class="89">级。</span></span></p> <div> <table cellspacing="0" cellpadding="0" hspace="0" vspace="0" width="606" align="center"> <tbody> <tr> <td valign="top" align="left" style="padding-top:0cm;padding-right:0cm; padding-bottom:0cm;padding-left:0cm"> <p class="142" style="margin-bottom:9.5pt;line-height:11.0pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 454.3pt;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: x-small;"><span class="140">表</span><span class="14Constantia">1</span><span class="140">机床主要参数</span></span></p> <p class="150" style="margin-top:0cm;line-height:10.0pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 454.3pt;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: x-small;"> <p class="150" style="margin-top:0cm;line-height:10.0pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 454.3pt;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="15"><span lang="EN-US">Table </span></span><span class="15">1 <span lang="EN-US">The main parameters of machine tool</span></span></p> </span> <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:20.4pt;mso-height-rule: exactly"> <td width="190" valign="bottom" style="width: 142.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 20.4pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 33pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 33pt; line-height: 10.5pt; background: transparent;"><span class="2105pt">项目</span></p> </span></td> <td width="159" valign="bottom" style="width: 119.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 20.4pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10.5pt; background: transparent;"><span class="2105pt">单位</span></p> </span></td> <td width="257" valign="bottom" style="width: 192.5pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 20.4pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">技术参数</span></p> </span></td> </tr> <tr style="mso-yfti-irow:1;height:24.25pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 24.25pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2Constantia">X</span><span class="2105pt4">轴行程</span></p> </span></td> <td width="159" style="width: 119.3pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 24.25pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" valign="bottom" style="width: 192.5pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 24.25pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">1000</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:2;height:22.1pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">Y</span></span><span class="2105pt4">轴行程</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">600</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:3;height:21.85pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">Z</span></span><span class="2105pt4">轴行程</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">600</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:4;height:21.85pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">主轴鼻端至工作台距</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">70-670</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:5;height:21.85pt;mso-height-rule:exactly"> <td width="606" colspan="3" style="width: 454.35pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 9pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 9pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">离</span></p> </span></td> </tr> <tr style="mso-yfti-irow:6;height:22.1pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="right" style="margin-top:0cm;margin-right:15.0pt; margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;text-align:right; line-height:10.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:454.3pt;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: x-small;"> <p class="21" align="right" style="margin-top:0cm;margin-right:15.0pt; margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;text-align:right; line-height:10.5pt;mso-line-height-rule:exactly;background:transparent; mso-element:frame;mso-element-frame-width:454.3pt;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="2105pt4">主轴中心至立柱导轨</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">650</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:7;height:22.1pt;mso-height-rule:exactly"> <td width="606" colspan="3" style="width: 454.35pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 8pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 8pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">面距离</span></p> </span></td> </tr> <tr style="mso-yfti-irow:8;height:21.85pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">X/Y</span></span><span class="2105pt4">轴快速进给</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm/min</span></span></p> </span></td> <td width="257" valign="bottom" style="width: 192.5pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">20000</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:9;height:22.1pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">Z</span></span><span class="2105pt4">轴快进给</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm/min</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 22.1pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">15000</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:10;height:21.6pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 21.6pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">切削进给</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 21.6pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm/min</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 21.6pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">1-10000</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:11;height:21.85pt;mso-height-rule:exactly"> <td width="190" style="width: 142.55pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">定位精度</span></p> </span></td> <td width="159" style="width: 119.3pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; padding: 0cm; height: 21.85pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">±0.005/300</span></span></p> </span></td> </tr> <tr style="mso-yfti-irow:12;mso-yfti-lastrow:yes;height:22.8pt;mso-height-rule: exactly"> <td width="190" style="width: 142.55pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.8pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 30pt; line-height: 10.5pt; background: transparent;"><span class="2105pt4">重复定位精度</span></p> </span></td> <td width="159" style="width: 119.3pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.8pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 15pt; line-height: 10pt; background: transparent;"><span class="2Constantia"><span lang="EN-US">mm</span></span></p> </span></td> <td width="257" style="width: 192.5pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.8pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"> </p> <span style="font-size: x-small;"> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 68pt; line-height: 10pt; background: transparent;"><span class="26pt">士</span><span class="2Constantia"><span lang="EN-US">0.003/300</span></span></p> </span></td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </div> <span style="font-size: x-small;"> <!--[if !supportTextWrap]--><br clear="ALL" /> <!--[endif]--> </span> <div><span style="font-size: x-small;"><br /> </span></div> <p class="670" style="margin-top:47.9pt;margin-right:0cm;margin-bottom:5.95pt; margin-left:9.0pt;line-height:12.0pt;mso-line-height-rule:exactly;mso-pagination: lines-together;page-break-after:avoid;background:transparent"><a name="bookmark8"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"></st1:chsdate><span style="font-size: x-small;"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="67"><span style="font-family: SimSun;">1.4.2</span></span></st1:chsdate><span class="67">研究的内容</span></span></p> <p class="891" style="margin-top:0cm;margin-right:9.0pt;margin-bottom:0cm; margin-left:9.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:25.0pt;line-height:21.85pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: x-small;"><span class="89">本文的主要内容是:先对试验模态分析的理论作了简单介绍，包括模态理论， 模态参数识别，模态振型验证等理论，为模态试验的进行奠定了理论基础；然后对 试验模态测试技术作了介绍，包括试验系统的组成，频响函数的测试，试验设备 的参数设定，以及试验过程中的一些准备工作等；然后对</span><span class="89Constantia"><span lang="EN-US">VMC</span></span><span class="89"><span style="font-family: SimSun;">1060</span></span><span class="89">型立式加工</span></span></p> </div> <p><span style="font-size: x-small;"> <span style="font-family: 宋体;"><br clear="all" style="page-break-before:always; mso-break-type:section-break" /> </span> </span></p> <p class="891" style="margin-top:0cm;margin-right:18.0pt;margin-bottom:19.9pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;line-height: 21.85pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: x-small;"><span class="89">中心进行试验模态分析，介绍了试验中所需的仪器设备以及试验过程中的相关传 递函数测试。通过模态分析软件对传递函数进行曲线拟合，识别得到机床整机的 试验模态参数。最后对机床的薄弱环节进行了简单分析，并提出了初步的修改意 见。</span></span></p> <p class="670" style="margin-top:0cm;margin-right:0cm;margin-bottom:2.25pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;line-height: 12.0pt;mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark9"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"></st1:chsdate><span style="font-size: x-small;"><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="67"><span style="font-family: SimSun;">1.4.3</span></span></st1:chsdate><span class="67">研究的目的</span></span></p> <p><span style="font-size: x-small;"> <span class="89">本论文对</span><span class="89Constantia"><span lang="EN-US">VMC</span></span><span class="89"><span style="font-family: SimSun;">1060</span></span><span class="89">型立式加工中心进行试验模态分析，找出结构的薄弱环 节，为该机床结构的改进设计提供理论依据，为下一步开发高精度、高效率的数 控镗铣床提供参考，对提高镗铣床产品的市场竞争力具有较大的工程意义。</span></span></p> <p> </p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">本文采摘自“</span><span lang="EN-US" style="font-size:9.0pt">VMC1060</span><span style="font-size:9.0pt; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">型立式加工中心试验模态分析”，因为编辑困难导致有些函数、表格、图片、内容无法显示，有需要者可以在网络中查找相关文章！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 lang="EN-US" style="font-size:9.0pt"> <o:p></o:p></span></p> <p> </p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/index.php?case=tag&act=show&tag=1060%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>1060加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E7%AB%8B%E5%BC%8F%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>立式加工中心</a> <!-- 分类 --> <div class="blank10"></div> 分类： <a href='/bethel/type/jnc/type-1.html' target='_blank'>加工中心</a> <div class="blank30"></div> <!--自动调用自定义字段--> <div class="blank20"></div> <div class="blank30"></div> <!-- 投票 --> <script src="/index.php?case=vote&act=view&aid=690"></script> <!-- 自定义表单开始 --> <!-- 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