<section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px 0px -20px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: left; transform: translate3d(-20px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 50px; height: 55px; vertical-align: top; overflow: hidden; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><img data-ratio="1.0538117" src="//cdn-2c-02.industics.com/public/upload/image/20211009/1633750805162667.gif" data-type="gif" data-w="446" width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; letter-spacing: 0.544px; box-sizing: border-box; vertical-align: middle; overflow-wrap: break-word !important; visibility: visible !important; width: 50px !important;"/><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; vertical-align: middle; display: inline-block; line-height: 0; width: 50px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section></section></section></section></section></section><p></p><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; border-color: rgb(29, 29, 29) rgb(29, 29, 29) rgb(182, 182, 182) rgb(182, 182, 182); box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 5px 0px -5px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(5px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 3px 15px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 0px; border-radius: 0px; border-style: none; border-color: rgb(255, 255, 255); box-shadow: rgb(0, 0, 0) 0px 0px 0px; background-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(1px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: justify; color: rgb(0, 0, 0); font-size: 17px; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;">本周词汇概览<br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></strong></p></section></section></section></section></section></section></section></section><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); font-size: 17px; text-align: justify; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; height: 16px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: left; border-top: 6px solid rgb(255, 202, 0); border-left: 6px solid rgb(255, 202, 0); border-right-color: rgb(255, 202, 0); border-bottom-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: right; border-top: 6px solid rgb(255, 202, 0); border-right: 6px solid rgb(255, 202, 0); border-bottom-color: rgb(255, 202, 0); border-left-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section></section><section style="margin: -13px 3px; padding: 12px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word; border-width: 1px; border-style: none solid; border-color: rgb(255, 111, 0) rgb(255, 202, 0); border-radius: 6px;"><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; line-height: 1.8; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 0.544px; cursor: pointer; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong><span style="margin: 0px; padding: 0px; max-width: 100%; cursor: pointer; font-size: 16px; letter-spacing: 0.544px;">345</span><span style="margin: 0px; padding: 0px; max-width: 100%; cursor: pointer; font-size: 16px; letter-spacing: 2px; text-indent: 30px;">：TPM设备管理中的关键绩效指标</span></span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; font-size: medium; text-indent: 32px; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong></strong></strong><span style="margin: 0px; padding: 0px; max-width: 100%; text-indent: 32px; letter-spacing: 0.544px;">346</span>：OEE</span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 2px; text-indent: 30px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"></strong></span><span style="margin: 0px; padding: 0px; font-size: 16px; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">347</span><span style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 2px; text-indent: 30px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">：MTTR</span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; background-color: rgb(252, 200, 0);"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong></span><span style="margin: 0px; padding: 0px; font-size: 16px; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">348</span><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;">：MTBF</span></span></p></section></section></section><section style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; height: 16px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: left; border-bottom: 6px solid rgb(255, 202, 0); border-left: 6px solid rgb(255, 202, 0); border-top-color: rgb(255, 202, 0); border-right-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: right; border-bottom: 6px solid rgb(255, 202, 0); border-right: 6px solid rgb(255, 202, 0); border-top-color: rgb(255, 202, 0); border-left-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section></section></section><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></p></section><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; border-color: rgb(29, 29, 29) rgb(29, 29, 29) rgb(182, 182, 182) rgb(182, 182, 182); box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 5px 0px -5px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(5px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 3px 15px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 0px; border-radius: 0px; border-style: none; border-color: rgb(255, 255, 255); box-shadow: rgb(0, 0, 0) 0px 0px 0px; background-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(1px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: justify; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; text-align: left; text-indent: 32px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">348</span><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; letter-spacing: 0.544px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">『MTBF</span></strong></strong><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; letter-spacing: 0.544px; font-size: 18px; overflow-wrap: break-word !important;">』</strong></p></section></section></section></section></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: justify; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 15px 0px -15px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 0 1px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 1 auto; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(255, 202, 0); height: 1px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; box-shadow: rgb(255, 202, 0) 0px 0px 0px; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 30px; vertical-align: top; overflow: hidden; border-width: 0px; box-shadow: rgb(255, 202, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 10px 0px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-size: 0px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 10px; vertical-align: top; overflow: hidden; background-color: rgb(255, 202, 0); border-width: 5px; border-radius: 0px; border-style: solid; border-color: rgb(255, 202, 0); box-shadow: rgb(255, 255, 255) 1px 1px 0px inset; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></section></section></section></section></section></section></section></section><section style="margin: 0px; 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color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">今天我们来学习<strong>MTBF</strong>的相关内容。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">一、MTBF概念</span></strong><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">MTBF，即平均无故障工作时间，英文全称是“Mean Time Between Failure”。是衡量一个产品（尤其是电器产品）的可靠性指标。单位为“小时”。它反映了产品的时间质量，是体现产品在规定时间内保持功能的一种能力。具体来说，是指相邻两次故障之间的平均工作时间，也称为平均故障间隔。概括地说，产品故障少的就是可靠性高，产品的故障总数与寿命单位总数之比叫“故障率”（Failure rate）。它仅适用于可维修产品。同时也规定产品在总的使用阶段累计工作时间与故障次数的比值为MTBF。磁盘阵列产品一般MTBF不低于5万小时。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">MTBF是可修复产品可靠性的一种基本参数。度量方法为：在规定的条件下和规定的时间内，产品的寿命单位总数与故障总次数之比。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">MTBF值是产品设计时要考虑的重要参数，可靠度工程师或设计师经常使用各种不同的方法与标准来估计产品的MTBF值。相关标准包括MIL-HDBK-217F、Telcordia SR332、Siemens Norm、Fides或UTE C 80-810（RDF2000）等。不过这些方法估计到的值和实际的平均故障间隔仍有相当的差距。计算平均故障间隔的目的是为了找出设计中的薄弱环节。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">MTBF的数学式表达：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.2125" data-s="300,640" src="//cdn-2c-02.industics.com/public/upload/image/20211009/1633750806519360.png" data-type="png" data-w="400" data-imgqrcoded="1" style="margin: 0px; padding: 0px; max-width: 100%; height: 64px; vertical-align: bottom; text-align: center; letter-spacing: 1.8px; width: 303px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">另外，在工程学上，常用希腊字母θ来表示MTBF：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.33766233766233766" data-s="300,640" src="//cdn-2c-02.industics.com/public/upload/image/20211009/1633750806220952.png" data-type="png" data-w="154" style="margin: 0px; padding: 0px; max-width: 100%; height: 44px; vertical-align: bottom; text-align: center; letter-spacing: 1.8px; width: 130px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">在概率论中，可用ƒ(t)形式的概率密度方程表示MTBF：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.3079710144927536" data-s="300,640" src="//cdn-2c-02.industics.com/public/upload/image/20211009/1633750806661131.png" data-type="png" data-w="276" data-imgqrcoded="1" style="margin: 0px; padding: 0px; max-width: 100%; height: 70px; vertical-align: bottom; text-align: center; letter-spacing: 1.8px; width: 227px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">此处ƒ指的是直到下次失效经过时长的概率密度方程。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">满足标准概率密度方程：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.3526570048309179" data-s="300,640" src="//cdn-2c-02.industics.com/public/upload/image/20211009/1633750807314945.png" data-type="png" data-w="207" style="margin: 0px; padding: 0px; max-width: 100%; height: 61px; vertical-align: bottom; text-align: center; letter-spacing: 1.8px; width: 173px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">设有一个可修复的产品在使用过程中，共计发生过N0次故障，每次故障后经过修复又和新的一样继续投入使用，其工作时间分别为：T0，T1。那么产品的平均故障间隔时间，也就是平均寿命为Q为：（T0+T1）/N0。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">关于 MTBF值的计算方法，最通用的权威性标准是MIL-HDBK-217、GJB/Z299B和Bellcore，分别用于军工产品和民用产品。其中，MIL-HDBK-217是由美国国防部可靠性分析中心及Rome实验室提出并成为行业标准，专门用于军工产品MTBF值计算，GJB/Z299B是我国军用标准；而Bellcore是由AT&amp;TBell实验室提出并成为商用电子产品MTBF值计算的行业标准。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">MTBF计算中主要考虑的是产品中每个器件的失效率。但由于器件在不同的环境、不同的使用条件下其失效率会有很大的区别，例如，同一产品在不同的环境下，如在实验室和海洋平台上，其可靠性值肯定是不同的；又如一个额定电压为16V的电容在实际电压为25V和5V下的失效率肯定是不同的。所以，在计算可靠性指标时，必须考虑上述多种因素。所有上述这些因素，几乎无法通过人工进行计算，但借助于软件如MTBFcal软件和其庞大的参数库，我们就能够轻松得出MTBF值。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">二、MTBF的分析目的</span></strong><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">1)针对高频率故障零件的重点对策及零件寿命延长的技术改造依据。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">2)进行零件寿命周期的推算及最佳维修计划编制。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">3)有关点检对象、项目的选择与点检基准的设定、改善。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">4)用于指导内外部维修工作分配。根据公司内设备修复能力的评价，以设备类型、作业种类的不同来决定内部分别承担工作的维修质量与设备效率方面的风险，作为维修外包的重要参考。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">5)设定备品备件基准。机械、电气零件的各储备项目及基本库存数量，应根据MTBF的记录分析来判断，使其库存水平达到最经济的状况。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">6)作为选择维修技术方法改善重点的参考依据。为了提高设备开动率，必须缩短与设备停机相关的长时间维修作业及工程调整、切换的时间。因此，有必要对维护作业方法进行检验，而其检验的项目、优先顺序的选择等基本情况，均需要依据MTBF的分析记录表。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">7)用于设备对象设定预估运行时间标准，及其维护作业的选定与维护时间标准的研究。维修计划预估时间标准的设定及维护作业的选定，必须考虑设备维护重复周期或标准时间值与实际维护时间的差异及相应维护作业特性等因素，因此，MTBF分析表是非常必要的。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">8)图样整理及重新选定重点设备或零件时的参考。MTBF的分析记录表所记录的设备零件改造项目或摩擦劣化等信息，以及设备图样修改或前期制作等情况，通过能经常作分析检验及重要性排序管理，可以使工程图样管理变得更容易。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">9)运行操作标准的设定、修订及决定设备维护业务的责任分派。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">10)提供设备的可靠性、可维修性设计的技术资料。维护技术最重要的是以MTBF分析表为基础，收集有关设备的可靠性、可维修性设计的技术信息，以便提供给设计部门在设计设备时参考。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; text-indent: 43px; font-size: 17px;">今天的课程就到这里，谢谢大家！</span></section></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; line-height: 2; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; box-sizing: border-box !important; overflow-wrap: break-word !important;">想听Tonii老师的课程？</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; 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