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style="font-family: SimSun;">4.4</span></span></a><span class="7" style="line-height: 14pt; background-color: transparent;">链式刀库及机械手故障判定及计数准则</span></p> <div class="Section1"> <p class="70" align="left" style="margin: 0cm 0cm 19.3pt; line-height: 14pt; page-break-after: avoid; background: transparent;"><a name="bookmark44"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="7"><span style="font-family: SimSun;">4.4.1</span></span></st1:chsdate><span class="7">术语与定义</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt; text-indent: 32pt; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">(1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">故障：产品或产品的一部分不能或将完成预定功能的事件或状态<sup>[48]</sup>。 产品不能完成规定功能的表现为：在规定的条件下工作时，其一个或几个性能参 数指标不能保持在要求的上下限之间<sup>[48]</sup>。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:32.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;tab-stops:56.5pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">关联故障：在解释试验或运行结果或计算可靠性量值时必须计入的故</span></p> <p class="21" align="left" style="margin-bottom: 0.0001pt; line-height: 19.9pt; background: transparent;"><span class="2">障<sup>[50]</sup>。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:32.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;tab-stops:54.95pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">非关联故障：在解释试验或运行结果或计算可靠性量值时应予排除的 故障<sup>[50]</sup>。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:32.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;tab-stops:54.95pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(4)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">致命故障：易于导致人员伤亡、重要物件损坏或其他不可接受后果的 故障<sup>[51]</sup>。</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:5.8pt; margin-left:32.0pt;text-align:justify;text-justify:inter-ideograph;text-indent: 0cm;line-height:11.0pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo1; background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(5)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">从属性故障：由另一个产品的失效或故障直接或间接引起的产品的故</span></p> <p class="21" align="left" style="margin-bottom: 24.9pt; line-height: 11pt; background: transparent;"><span class="2">障<sup>[53</sup>1</span></p> <p class="830" style="margin-top:0cm;margin-right:0cm;margin-bottom:18.55pt; margin-left:0cm;line-height:14.0pt;mso-line-height-rule:exactly;mso-pagination: lines-together;page-break-after:avoid;background:transparent"><a name="bookmark45"></a><st1:chsdate year="1899" month="12" day="30" islunardate="False" isrocdate="False" w:st="on"><span class="83"><span style="font-family: SimSun;">4.4.2</span></span></st1:chsdate><span class="83">故障判定与计数原则</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:32.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:0cm;line-height:19.9pt;mso-line-height-rule:exactly;mso-list:l1 level1 lfo2; tab-stops:58.3pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">故障的判定</span></p> <p class="21" style="margin-bottom: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">在链式刀库及机械手可靠性试验中，出现下列任何一种情况，即判定为故障:</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l2 level1 lfo3;tab-stops:45.85pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">被试链式刀库及机械手出现一部分丧失一个或几个功能；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l2 level1 lfo3;tab-stops:47.05pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">被试链式刀库及机械手一部分性能参数超出技术条件的上下限范围；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l2 level1 lfo3;tab-stops:45.05pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">被试链式刀库及机械手出现元器件、零部件、结构件的松动、断裂等破 损状态。</span></p> <p class="21" style="margin-bottom: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">从故障的原则来说，故障主要包括关联故障和非关联故障。从关联故障和非 关联故障的定义可以得出，关联故障在故障计数时是必须计入的，而非关联故障 是不必计入的。</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:32.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:0cm;line-height:19.9pt;mso-line-height-rule:exactly;mso-list:l1 level1 lfo2; tab-stops:58.3pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">关联故障的判定及计数原则</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 8pt; text-indent: 18pt; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">链式刀库及机械手必须更换元器件（如电磁阀、传感器等）、机械结构件 (如气缸等）或附属设备才能排除的故障应该视为关联故障并计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:43.85pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">在链式刀库及机械手中有寿命期要求的损耗件，在其寿命周期之内出现 的故障应该视为关联故障并计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:44.8pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">需要对链式刀库及机械手自身接插件、印刷电路板、电缆、机械零部件 等进行修整才能排除的故障，应该视为关联故障并计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:44.8pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">4)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">在可靠性试验时，链式刀库及机械手出现致使机床零部件损坏而必须立 刻中止试验的故障，应该视为关联故障并计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:45.05pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">5)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">运行检查程序检验时，出现偶然停机或运行失常现象，但经过再次起动 就能恢复正常运行（如目标刀号到位，而机械手无动作</span><span class="2">），</span><span class="2">该类偶然事件若累计 出现两次或以上，应该作为一次关联性故障并计入；不足两次时可视为非关联性 故障不计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:47.05pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">6)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">对于多次出现的故障，且属于关联故障的，每次故障都应计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:44.8pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">7)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">若刀库系统故障部位相同，多次发生故障，且故障模式相同，经纠正后 不再发生，应视为一次故障并计入；</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:44.8pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">8)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">在可靠性评定过程中，按规定程序进行的预防性保养和维修，不作为故 障不计入，凡是不符合规定程序进行的保养和维修，均应视为关联故障并计入。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l3 level1 lfo4;tab-stops:44.8pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">9)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">当链式刀库及机械手出现致命故障时，若判定为关联故障，则立即停止 试验，并做出链式刀库及机械手可靠性不合格判定。</span></p> <p class="21" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:32.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:0cm;line-height:19.9pt;mso-line-height-rule:exactly;mso-list:l1 level1 lfo2; tab-stops:58.3pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">非关联故障的判定及计数原则</span></p> <p class="21" align="left" style="margin-bottom: 0.0001pt; text-indent: 26pt; line-height: 19.9pt; background: transparent;"><span class="2">非关联故障是由于误操作等其他原因引起，而非链式刀库及机械手本身原因， 不进行故障计数。非关联故障可分为：从属性故障、误用性故障、诱发性故障、 其他故障。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:26.0pt;line-height:19.9pt;mso-line-height-rule: exactly;mso-list:l4 level1 lfo5;tab-stops:42.5pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">从属性故障；在试验过程中由于试验条件的变化超出了既定的范围（如 突然断电、电磁干扰、温度变化等</span><span class="2">）</span><span class="2">而导致的故障，视为从属性故障不计入。由 于试验系统出现故障或某一元器件失效引起的系统本身另一相关零部件、元器件 失效而出现的故障，视为从属性故障不计入。</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt; text-indent: 26pt; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">误用性故障；在试验过程中由于操作人员操作不当而造成的故障，视为 误用性故障不计数。</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt; text-indent: 26pt; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">诱发性故障；在系统正常维护、保养过程中，由于维护人员操作不当而 造成的故障，视为诱发性故障不计入。</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt; text-indent: 26pt; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">4)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">其他故障；人为因素或系统在非使用条件下的使用而造成的故障，视为 其他故障不计数。</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt 32pt; text-indent: 0cm; line-height: 19.9pt; background: transparent;"><!--[if !supportLists]--><span style="font-family: SimSun;">(4)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="2">故障等级划分</span></p> <p class="21" align="left" style="margin-bottom: 18.95pt; text-indent: 26pt; line-height: 19.9pt; background: transparent;"><span class="2">按照故障对整个系统影响的严重程度，可将故障分为:轻微故障、一般故障、 严重故障和致命故障<sup>[54]</sup>。在进行可靠性试验过程中，若出现致命故障，则必须立 刻停止试验，并判定该系统可靠性不合格。</span></p> <p class="730" align="left" style="margin-bottom: 18.85pt; line-height: 15pt; page-break-after: avoid; background: transparent;"><a name="bookmark46"><span class="730pt"><span style="font-family: SimSun;">4.5</span></span></a><span class="730pt">本章小结</span></p> <p class="21" style="margin-bottom: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">本章节制定了进行链式刀库及机械手实验室试验和现场试验的试验流程，包 括试验的前期准备、试验要求、试验内容等，并制定了链式刀库及机械手故障判 定与计数准则。为了使所收集的数据真实可靠，根据</span><span class="2TimesNewRoman"><span lang="EN-US" style="font-size: 11.5pt;">JB/T</span></span><span class="2"><span style="font-family: SimSun;"> 10791.1-2007</span></span><span class="2">等国家 相关标准，规范了链式刀库及机械手实验室试验和现场试验数据收集方法。研制 了链式刀库及机械手实验室试验所需的运行记录表和故障记录表，以及现场试验 所需的运行记录表、故障记录表、加工工序记录表等。</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> <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“加工中心链式刀库及机械手可靠性试验方法研究”，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><span lang="EN-US" style="font-size:9.0pt"> <o:p></o:p></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 href='/index.php?case=tag&act=show&tag=CNC%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>CNC加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E6%9C%BA%E5%BA%8A' target='_blank'>数控机床</a> <a 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text-decoration:none; display:block;} .izl-rmenu .btn-skype{background:url(/template/CmsEasy_V_408/skin/images/servers/metro_color/r_skype.png) 0px 0px no-repeat; background-color:#FF69B4;} .izl-rmenu .btn-skype:hover{background-color:#8B008B;} .izl-rmenu a.btn-skype,.izl-rmenu a.btn-skype:visited{background:url(/template/CmsEasy_V_408/skin/images/servers/metro_color/r_skype.png) 0px 0px no-repeat; background-color:#FF69B4; text-decoration:none; display:block;} .izl-rmenu .btn-web{background:url(/template/CmsEasy_V_408/skin/images/servers/metro_color/r_web.png) 0px 0px no-repeat; background-color:#008a46;} .izl-rmenu .btn-web:hover{background-color:#00663a;} .izl-rmenu a.btn-web,.izl-rmenu a.btn-web:visited{background:url(/template/CmsEasy_V_408/skin/images/servers/metro_color/r_web.png) 0px 0px no-repeat; background-color:#008a46; text-decoration:none; display:block;} .izl-rmenu .btn-top{background:url(/template/CmsEasy_V_408/skin/images/servers/metro_color/r_top.png) 0px 0px 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