??xml version="1.0" encoding="utf-8" standalone="yes"?>国产一区二区在线电影,久久精品 人人爱,国产日韩一区欧美http://www.aygfsteel.com/aileenfangfang/where there is a will ,there is a wayzh-cnSun, 18 May 2025 03:44:38 GMTSun, 18 May 2025 03:44:38 GMT60安装减速机常见问题?http://www.aygfsteel.com/aileenfangfang/archive/2008/01/05/172958.htmlaileenaileenSat, 05 Jan 2008 06:08:00 GMThttp://www.aygfsteel.com/aileenfangfang/archive/2008/01/05/172958.htmlhttp://www.aygfsteel.com/aileenfangfang/comments/172958.htmlhttp://www.aygfsteel.com/aileenfangfang/archive/2008/01/05/172958.html#Feedback0http://www.aygfsteel.com/aileenfangfang/comments/commentRss/172958.htmlhttp://www.aygfsteel.com/aileenfangfang/services/trackbacks/172958.html一 不同心出现的断u问题

有的用户在设备运行几个月后驱动电(sh)机的输出轴断了。ؓ(f)什么减速机把驱动电(sh)机的输出轴扭断了Qؓ(f)此我们查看了驱动甉|的输u横断面，发现与减速机输出轴的横断面几乎完全一栗横断面的外圈较明亮Q而越向u心处断面颜色暗Q最后到轴心处是折断的！?是横断面的照片。这充分地说明了造成驱动甉|输出轴断轴的主要原因是甉|和减速机装配时不同心Q?/p>

当电(sh)机和减速机间装配时同心度保证的非常好时Q电(sh)u承受的仅仅是转动力，q{时也?x)很qx。然而不同心Ӟ输出轴要承受来自于减速机输入端的径向力，q个径向力长期作用将?x)甉|输出轴被q弯Ԍ而且弯曲的方向随着输出轴{动不断变化。输u每{动一周，横向力的方向变化360度。如果同心度的误差较大时Q该径向力甉|输出轴温度升高，光属结构不断被破坏Q最后该径向力将?x)超出?sh)u所能承受的径向力，最后导致驱动电(sh)u折断。当同心度的误差大Ӟ驱动甉|输出轴折断的旉短。在驱动甉|输出轴折断的同时Q减速机输入端同样也?x)承受来自于甉|斚w的径向力Q如果这个径向力同时出了二者所能承受的最大径向负L(fng)话，其结果也?x)导致减速机输入端生变形甚x裂。因此，在装配时保证同心度至关重要！

直观上讲Q如果电(sh)u和减速机输入端同心，那么甉|和减速机间的配合׃(x)很紧密，它们之间的接触面紧紧相连Q而装配时如果不同心，那么它们间的接触面之间就?x)有间隙。图3中左面的图表C电(sh)机和减速机间的装配很好Q而右图表C配不好，甉|轴和减速机输入端不同心?/p>

同样Q减速机的输u也有折断或弯曲现象发生，其原因与驱动甉|的断轴原因相同。但减速机的出力是驱动甉|出力和减速比之积Q相对于甉|来讲出力更大Q故减速机输出轴更易被折断。因此，用户在用减速机Ӟ对其输出端装配同心度的保证也应十分注意！


?减速机出力太小出现的断轴问?/p>

除了׃减速机输出端装配同心度不好Q而造成的减速机断u以外Q减速机的输u如果折断Q不外乎以下几点原因?/p>

首先Q错误的选型致所配减速机出力不够。有些用户在选型Ӟ误认为只要所选减速机的额定输出扭矩满_作要求就可以了，其实不然Q一是所配电(sh)机额定输出扭矩乘上减速比Q得到的数值原则上要小于品样本提供的相近减速机的额定输出扭矩，二是同时q要考虑光动电(sh)机的q蝲能力?qing)实际中所需最大工作扭矩。理ZQ用h需最大工作扭矩一定要于减速机额定输出扭矩?倍。尤其是有些应用场合必须严格遵守q一准则Q这不仅是对减速机里面齿轮的保护，更主要的是避免减速机的输up扭断。这主要是因为，如果讑֤安装有问题，减速机的输u?qing)其负蝲被卡住了Q这旉动电(sh)机的q蝲能力依然?x)其不断加大出力，q而，可能使减速机的输u承受的力过光定输出扭矩的2倍而扭断减速机的输u?/p>

其次Q在加速和减速的q程中，减速机输出轴所乘受瞬间的扭矩如果超q了光定输出扭矩的2倍，q且q种加速和减速又q于频繁Q那么最l也?x)减速机断u。考虑到这U情况出现的较少Q故q里不再q一步介l?/p>

 



aileen 2008-01-05 14:08 发表评论
]]>DIV CSS|页布局常用的方法与技?/title><link>http://www.aygfsteel.com/aileenfangfang/archive/2007/10/12/152313.html</link><dc:creator>aileen</dc:creator><author>aileen</author><pubDate>Fri, 12 Oct 2007 05:14:00 GMT</pubDate><guid>http://www.aygfsteel.com/aileenfangfang/archive/2007/10/12/152313.html</guid><wfw:comment>http://www.aygfsteel.com/aileenfangfang/comments/152313.html</wfw:comment><comments>http://www.aygfsteel.com/aileenfangfang/archive/2007/10/12/152313.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/aileenfangfang/comments/commentRss/152313.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/aileenfangfang/services/trackbacks/152313.html</trackback:ping><description><![CDATA[Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span> <div id="wmqeeuq" class="UBBContent"><div id="wrap"> <br /> <div id="column1">q里是第一?lt;/div> <br /> <div id="column2">q里是第二列</div> <br /> <div class="clear"></div> /*q是q背web标准意图的，只是惌明在它下面的元素需要清除Q?/ <br /> </div><br /> </div> <br /> CSS代码:<br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#wrap{width:100;height:auto;} <br /> #column1{float:left;width:40;} <br /> #column2{float:right;width:60;} <br /> .clear{clear:both;}<br /> </div> </div> <br /> <br /> <strong>position:static|absolute|fixed|relative</strong><br /> 取|(x)<br /> static:默认倹{无Ҏ(gu)定位Q对象遵循HTML定位规则<br /> absolute:将对象从文流中拖出，使用leftQrightQtopQbottom{属性相对于其最接近的一个最有定位设|的父对象进行绝对定位。如果不存在q样的父对象Q则依据body对象。而其层叠通过z-index属性定?br /> fixed:未支持。对象定位遵从绝?absolute)方式。但是要遵守一些规?br /> relative:对象不可层叠，但将依据leftQrightQtopQbottom{属性在正常文中偏移位置 <br /> <br /> 它来实现一行两列的例子 <br /> xhtml代码:<br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent"><div id="wrap"> <br /> <div id="column1">q里是第一?lt;/div> <br /> <div id="column2">q里是第二列</div> <br /> </div><br /> </div> </div> <br /> CSS代码:<br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#wrap{position:relative;/*相对定位*/width:770px;} <br /> #column1{position:absolute;top:0;left:0;width:300px;} <br /> #column2{position:absolute;top:0;right:0;width:470px;} <br /> </div> </div> <br /> <strong><span style="color: red">他们的区别在哪？<br /> 昄Qfloat是相对定位的Q会(x)随着览器的大小和分辨率的变化而改变，而position׃行了Q所以一般情况下q是float布局Q?/span></strong><br /> <br /> <strong><span style="color: red">CSS常用布局实例</span><br /> 单行一?/strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">body{margin:0px;padding:0px;text-align:center;} <br /> #content{margin-left:auto;margin-right:auto;width:400px;} </div> </div> <br /> <strong>两行一?nbsp;</strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">body{margin:0px;padding:0px;text-align:center;} <br /> #content-top{margin-left:auto;margin-right:auto;width:400px;} <br /> #content-end{margin-left:auto;margin-right:auto;width:400px;} </div> </div> <br /> <strong>三行一?/strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">body{margin:0px;padding:0px;text-align:center;} <br /> #content-top{margin-left:auto;margin-right:auto;width:400px;width:370px;} <br /> #content-mid{margin-left:auto;margin-right:auto;width:400px;} <br /> #content-end{margin-left:auto;margin-right:auto;width:400px;}</div> </div> <br /> <strong>单行两列</strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#bodycenter{width:700px;margin-right:auto;margin-left:auto;overflow:auto;} <br /> #bodycenter#dv1{float:left;width:280px;} <br /> #bodycenter#dv2{float:right;width:420px;} </div> </div> <br /> <strong>两行两列</strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#header{width:700px;margin-right:auto;margin-left:auto;overflow:auto;} <br /> #bodycenter{width:700px;margin-right:auto;margin-left:auto;overflow:auto;} <br /> #bodycenter#dv1{float:left;width:280px;} <br /> #bodycenter#dv2{float:right;width:420px;} </div> </div> <br /> <strong>三行两列</strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#header{width:700px;margin-right:auto;margin-left:auto;} <br /> #bodycenter{width:700px;margin-right:auto;margin-left:auto;} <br /> #bodycenter#dv1{float:left;width:280px;} <br /> #bodycenter#dv2{float:right;width:420px;} <br /> #footer{width:700px;margin-right:auto;margin-left:auto;overflow:auto;clear:both;} </div> </div> <br /> <br /> <strong>单行三列<br /> l对定位 </strong><br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#left{position:absolute;top:0px;left:0px;width:120px;} <br /> #middle{margin:0px190px0px190px;} <br /> #right{position:absolute;top:0px;right:0px;width:120px;} </div> </div> <br /> <br /> <strong>float定位一</strong><br /> xhtml代码:<br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent"><div id="wrap"> <br /> <div id="column"> <br /> <div id="column1">q里是第一?lt;/div> <br /> <div id="column2">q里是第二列</div> <br /> <div class="clear"></div>/*用法web标准不徏议，但是C下面元素需要清除Q?/ <br /> </div> <br /> <divid="column3">q里是第三列</div> <br /> <divclass="clear"></div>/*用法web标准不徏议，但是C下面元素需要清除Q?/ <br /> </div> </div> </div> <br /> CSS代码:<br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">#wrap{width:100;height:auto;} <br /> #column{float:left;width:60;} <br /> #column1{float:left;width:30;} <br /> #column2{float:right;width:30;} <br /> #column3{float:right;width:40;} <br /> .clear{clear:both;} </div> </div> <br /> <br /> <strong>float定位?/strong><br /> xhtml代码Q?br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent"><div id="center"class="column"> <br /> <h1>Thisisthemaincontent.</h1> <br /> </div> <br /> <div id="left"class="column"> <br /> <h2>Thisistheleftsidebar.</h2> <br /> </div> <br /> <div id="right"class="column"> <br /> <h2>Thisistherightsidebar.</h2> <br /> </div></div> </div> <br /> CSS代码Q?br /> <div id="wmqeeuq" class="UBBPanel"> <div id="wmqeeuq" class="UBBTitle"><img style="margin: 0px 2px -3px 0px" alt="div css xhtml xml Example Source Code" src="http://www.52css.com/images/quote.gif" /> Example Source Code <span style="font-weight: 100; color: #f7f7f7">[www.52css.com]</span></div> <div id="wmqeeuq" class="UBBContent">body{ <br /> margin:0; <br /> padding-left:200px;/*LCfullwidth*/ <br /> padding-right:190px;/*RCfullwidth CCpadding*/ <br /> min-width:200px;/*LCfullwidth CCpadding*/ <br /> } <br /> .column{ <br /> position:relative; <br /> float:left; <br /> } <br /> #center{ <br /> width:100; <br /> } <br /> #left{ <br /> width:200px;/*LCwidth*/ <br /> right:200px;/*LCfullwidth*/ <br /> margin-left:-100; <br /> } <br /> #right{ <br /> width:190px;/*RCwidth*/ <br /> margin-right:-100; <br /> }</div> </div> <!--em336tj start--> <div style="display: inline; 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