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class="41pt">第4章数控加工中心主传动系统能耗分析</span></a></p> <div class="Section1"> <p class="60" style="margin-top:0cm;margin-right:0cm;margin-bottom:9.55pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;line-height: 14.0pt;mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark22"><span class="6"><span style="font-family: SimSun;">4.1</span></span></a><span class="6">数控加工中心主传动系统能耗模型</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:10.15pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 27.0pt;line-height:19.9pt;mso-line-height-rule:exactly;background:transparent"><span class="2">数控机床作为机械加工系统的主体，其也是由若干个相互作用的能耗子系统 所构成，主传动系统又作为机床的主要组成部分，其也是由若干个相互联系的能 耗单元所组成，而数控加工中心作为应用最为广泛的一类机床，继承了数控机床的一 般能耗特性和规律，因此数控加工中心主传动系统从能量的角度也可以看成是由若干 相互作用和相互依赖并具有特定功能的能耗单元组成，数控加工中心的整个运动过程</span><span class="2">伴随着物料流、能量流和信息流，其能耗由直接切除金属的切削能耗、支持系统</span><span class="2">工作的辅助设施能耗和系统各种能量损耗组成，数控加工中心作为应用较为广泛的一 种机床，其能量源也十分众多，能耗去向不一，所以其能耗也较为复杂，以数控 铣床</span><span class="2TimesNewRoman"><span lang="EN-US">XK</span></span><span class="2">713</span><span class="2">为例，其中光电机就有7个，加上灯和驱动器等其他电器元件，总的 能耗单元己经达到10个以上，具体如表</span><span class="2">4.1</span><span class="2">所示。</span></p> <div> <table cellspacing="0" cellpadding="0" hspace="0" vspace="0" width="498" align="center"> <tbody> <tr> <td valign="top" align="left" style="padding-top:0cm;padding-right:0cm; padding-bottom:0cm;padding-left:0cm"> <p class="a2" style="line-height:10.5pt;mso-line-height-rule:exactly; tab-stops:36.95pt;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="a1">表</span><span class="a1"><span style="font-family: SimSun;">4.1 </span></span><span class="MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">XK</span></span><span class="a1"><span style="font-family: SimSun;">713</span></span><span class="a1">型数控加工中心主要能耗单元</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:23.3pt;mso-height-rule: exactly"> <td width="152" style="width: 114pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 23.3pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">名称</span></span></p> </td> <td width="86" style="width: 64.8pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 23.3pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">电机类型</span></span></p> </td> <td width="142" style="width: 106.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 23.3pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">型号</span></span></p> </td> <td width="118" style="width: 88.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 23.3pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:8.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">额定功率</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">（</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">KW</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">)</span></span></p> </td> </tr> <tr style="mso-yfti-irow:1;height:21.35pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 21.35pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">主轴电机</span></span></p> </td> <td width="86" style="width: 64.8pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 21.35pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">变频电机</span></span></p> </td> <td width="142" style="width: 106.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 21.35pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">YPNC</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">-50-5.5</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-A</span></span></p> </td> <td width="118" style="width: 88.55pt; border-style: solid none none; border-top-color: windowtext; border-top-width: 1pt; padding: 0cm; height: 21.35pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">5.5</span></span></p> </td> </tr> <tr style="mso-yfti-irow:2;height:19.9pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 19.9pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span style="font-size: 10pt;">X</span></span><span class="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">轴电机</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 19.9pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">交流伺服</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 19.9pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:12.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">GK</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">6061-6</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">AC</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">31</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-FE</span></span></p> </td> <td width="118" style="width: 88.55pt; padding: 0cm; height: 19.9pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">1</span></span></p> </td> </tr> <tr style="mso-yfti-irow:3;height:19.9pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 19.9pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">Y</span></span><span class="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">轴电机</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 19.9pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">交流伺服</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 19.9pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:12.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">GK</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">6061-6</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">AC</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">31</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-FE</span></span></p> </td> <td width="118" style="width: 88.55pt; padding: 0cm; height: 19.9pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">1</span></span></p> </td> </tr> <tr style="mso-yfti-irow:4;height:20.15pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 20.15pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">Z</span></span><span class="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">轴电机</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 20.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">交流伺服</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 20.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:12.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">GK</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">6061-6</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">AC</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">31</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-FB</span></span></p> </td> <td width="118" style="width: 88.55pt; padding: 0cm; height: 20.15pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">1</span></span></p> </td> </tr> <tr style="mso-yfti-irow:5;height:20.15pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 20.15pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">冷却电机</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 20.15pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">三相异步</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 20.15pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">DB</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">-12</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">B</span></span></p> </td> <td width="118" style="width: 88.55pt; padding: 0cm; height: 20.15pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">0.04</span></span></p> </td> </tr> <tr style="mso-yfti-irow:6;height:19.45pt;mso-height-rule:exactly"> <td width="152" valign="bottom" style="width: 114pt; padding: 0cm; height: 19.45pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">液压电机</span></span></p> </td> <td width="86" valign="bottom" style="width: 64.8pt; padding: 0cm; height: 19.45pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">三相异步</span></span></p> </td> <td width="142" valign="bottom" style="width: 106.55pt; padding: 0cm; height: 19.45pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">Y</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">90</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">L</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">-4-</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">B</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">3</span></span></p> </td> <td width="118" valign="bottom" style="width: 88.55pt; padding: 0cm; height: 19.45pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">1.5</span></span></p> </td> </tr> <tr style="mso-yfti-irow:7;height:20.65pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 20.65pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">润滑泵</span></span><span class="2105pt2"><span style="font-size: 10.5pt;">/</span></span><span class="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">排屑装置</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 20.65pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">手动</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 20.65pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">/</span></span></p> </td> <td width="118" valign="bottom" style="width: 88.55pt; padding: 0cm; height: 20.65pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">0</span></span></p> </td> </tr> <tr style="mso-yfti-irow:8;height:19.7pt;mso-height-rule:exactly"> <td width="152" style="width: 114pt; padding: 0cm; height: 19.7pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">通风扇</span></span></p> </td> <td width="86" style="width: 64.8pt; padding: 0cm; height: 19.7pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:11.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">单相异步</span></span></p> </td> <td width="142" style="width: 106.55pt; padding: 0cm; height: 19.7pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">125</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">FZY</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">2</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-S</span></span></p> </td> <td width="118" style="width: 88.55pt; padding: 0cm; height: 19.7pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">0.025</span></span></p> </td> </tr> <tr style="mso-yfti-irow:9;mso-yfti-lastrow:yes;height:22.3pt;mso-height-rule: exactly"> <td width="152" style="width: 114pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.3pt; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:8.0pt;margin-bottom:.0001pt;text-indent:0cm;line-height:10.5pt; mso-line-height-rule:exactly;background:transparent;mso-element:frame; mso-element-frame-width:373.9pt;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="2105pt2"><span style="font-size: 10.5pt; font-family: 宋体;">其他（照明指示灯等）</span></span></p> </td> <td width="86" style="width: 64.8pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.3pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span style="font-size: 10.5pt;">/</span></span></p> </td> <td width="142" style="width: 106.55pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.3pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">JC</span></span><span class="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">38</span></span><span class="2MicrosoftSansSerif"><span lang="EN-US" style="font-size: 10pt;">-C</span></span></p> </td> <td width="118" style="width: 88.55pt; border-style: none none solid; border-bottom-color: windowtext; border-bottom-width: 1pt; padding: 0cm; height: 22.3pt; 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="center" style="margin:0cm;margin-bottom:.0001pt; text-align:center;text-indent:0cm;line-height:10.5pt;mso-line-height-rule: exactly;background:transparent;mso-element:frame;mso-element-frame-width: 373.9pt;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="2105pt2"><span lang="EN-US" style="font-size: 10.5pt;">0.05</span></span></p> </td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </div> <!--[if !supportTextWrap]--> <div> </div> <p class="21" style="margin-top:11.9pt;margin-right:0cm;margin-bottom:0cm; margin-left:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:27.0pt;line-height:19.9pt;mso-line-height-rule:exactly;background: transparent"><span class="2">通过表</span><span class="2">4.1</span><span class="2">可以很直观的发现数控加工中心主传动系统是整个数控加工中心的主要能 耗单元，通过查阅具体文献后可知数控加工中心主传动系统中的能量流占整个数控铣 床加工系统传输能量的95%以上<sup>[37]</sup>，因此建立数控加工中心主传动系统能耗模型十分 有必要，首先通过分析数控加工中心主传动系统功率特性后可知，数控加工中心主传动系</span><span style="line-height: 19.9pt; text-indent: 0cm; background-color: transparent;">统的能量消耗主要包括切削能耗和电动机的能量损失能耗以及机械传动能量损失 能耗三部分组成，接下来就需要对这三部分能耗进行分别描述和分析。</span></p> </div> <div class="Section2"> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:27.75pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 26.0pt;line-height:19.9pt;mso-line-height-rule:exactly;background:transparent"><span class="2">通过前文的阐述，我们己经建立了数控加工中心主传动系统功率平衡方程，为了 定量的研宄能耗</span><span class="2Gulim"><span style="font-size: 17pt;">，一</span></span><span class="2">般将功率对时间的积分定义为能耗</span><span class="2TimesNewRoman"><span lang="EN-US">E</span></span><span class="2">,</span><span class="2">数控加工中心主传动系统 三部分能耗之间也是相互影响的，在进行求和的过程中用相关系数表示。在铣床 整个加工过程中，既有能量的输入也有能量的输出，当然当中也伴随着能量的损 耗，但根据能量守恒原则，可以建立数控加工中心主传动系统能耗平衡方程，如</span><span class="2105pt3"><span lang="EN-US" style="font-size: 10.5pt;">(4-1) </span></span><span class="2">所示，其中不以数控加工中心的型号，机械传动形式的改变而改变，所建立的能耗模 型对于研宄数控加工中心能效和探索数控加工中心加工系统节能途径十分有必要，通过该 模型我们可以很直观的看出数控加工中心的能耗构成情况，为下一步提高数控加工中心能 效和提出优化节能措施做基础。</span></p> <p class="60" style="margin-top:0cm;margin-right:0cm;margin-bottom:3.2pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;line-height: 14.0pt;mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark23"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="6"><span style="font-family: SimSun;">4.1.1</span></span></st1:chsdate><span class="6">数控加工中心主传动系统切削能耗模型</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:27.55pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 26.0pt;line-height:20.15pt;mso-line-height-rule:exactly;background:transparent"><span class="2">在第三章第二节主传动系统功率特性中己经给出了切削能耗功率方程，由此 可得数控加工中心主传动系统切削能耗模型。</span></p> <p class="21" style="margin-top:18.6pt;margin-right:0cm;margin-bottom:0cm; margin-left:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule:exactly;background: transparent"><span class="2">通过数控加工中心主传动系统运行特性可知，切削能耗的时间主要指数控加工中心 加工过程所用的时间，不包括其中的启动、空载以及停机时间，可由式</span><span class="2105pt3"><span lang="EN-US" style="font-size: 10.5pt;">(4-6)</span></span><span class="2">得出。</span></p> </div> <p><span style="font-size:11.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-ansi-language:#0400;mso-fareast-language: #0400;mso-bidi-language:AR-SA"><br clear="all" style="page-break-before:always; mso-break-type:section-break" /> </span></p> <div class="Section3"> <p class="60" style="margin: 0cm 0cm 13.95pt; text-align: left; line-height: 14pt; page-break-after: avoid; background: transparent;"><a name="bookmark24"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="6"><span style="font-family: SimSun;">4.1.2</span></span></st1:chsdate><span class="6">数控加工中心主传动系统电机能量损耗模型</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:14.8pt; margin-left:0cm;text-indent:26.0pt;line-height:11.0pt;mso-line-height-rule: exactly;background:transparent"><span class="2">电动机的损耗直接关系着电动机的效率，数控加工中心主传动系统在运行过程中</span><span class="2">主要包括两种形式的损耗：固定损耗和负载损耗，在铣床负载和空载条件下电机</span><span class="2">的各种损耗系数是不尽相同的，但也有一定的比例关系。由此可得数控加工中心主传 动系统的电机损耗模型。</span></p> <p class="60" style="margin-top:0cm;margin-right:0cm;margin-bottom:20.2pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;line-height: 14.0pt;mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark25"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="6"><span style="font-family: SimSun;">4.1.3</span></span></st1:chsdate><span class="6">数控加工中心主传动系统机械传动能量损耗模型</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-indent:26.0pt; line-height:11.0pt;mso-line-height-rule:exactly;background:transparent"><span class="21pt">机械传动系统的摩擦功率损耗</span><span class="2TimesNewRoman"><span lang="EN-US">A</span></span><span class="24pt">主要包括两部分，一部分为</span><span class="2" style="line-height: 11pt; text-align: right; text-indent: 0cm; background-color: transparent;">载荷摩擦损耗功率4 </span><span class="21pt" style="line-height: 11pt; text-align: right; text-indent: 0cm; background-color: transparent;">,另一组成部分为非载荷摩擦损耗功率在铣床负载和</span>空载条件下传动部分的损耗系数也是不相同的。由此可得数控加工中心主传动系统的 电机损耗模型。</p> </div> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:35.15pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 27.5pt;mso-char-indent-count:2.5;line-height:19.9pt;mso-line-height-rule:exactly; background:transparent"><span class="2">传动系统的电机电损能耗以及 传动损耗从数控加工中心开启到停机一直存在，因此时间即为整个加工过程的时 间。</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:35.15pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 27.5pt;mso-char-indent-count:2.5;line-height:19.9pt;mso-line-height-rule:exactly; background:transparent"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">本文采摘自“数控加工中心主传动系统能耗特性及运行节能技术研究”，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></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <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=%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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