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描述	NHBB轴承润滑剂随着使用时间变长润滑性能会变弱，B须在一定的间隔之后补充新的润滑剂。补充润滑的间隔，根据轴承形式，尺寸，旋转速度，轴承温度及润滑剂的种类不同需要选择不同种类。
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<p>     NHBB轴承润滑剂随着使用时间变长润滑性能会变弱，B须在一定的间隔之后补充新的润滑剂。补充润滑的间隔，根据轴承形式，尺寸，旋转速度，轴承温度及润滑剂的种类不同需要选择不同种类。</p> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;">   NHBB滚动轴承的综合手册记载有润滑剂的补充间隔与线图，请参考。</p> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;">润滑油的更换限度，根据机械的使用条件，供油方法等而不尽相同，根据润滑油的性能分析试验如<strong style="margin:0px auto;padding:0px;">表2</strong>所示可以算出大概的更换限度及实验频度的间隔。</p> <p class="mar_top" style="margin:10px auto 0px;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;"><strong style="margin:0px auto;padding:0px;">表1　NHBB润滑油的性能与交换限度示例</strong></p> <table cellpadding="0" cellspacing="0" class="DataCenter" style="margin:0px;padding:0px;color:#333333;border-top-style:solid;border-top-color:#bbbbbb;border-left-style:solid;border-left-color:#bbbbbb;width:534px;font-family:宋体;font-size:13px;line-height:23px;"><tbody style="margin:0px auto;padding:0px;"><tr style="margin:0px auto;padding:0px;"><th rowspan="2" style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">性能</th> <th colspan="2" style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">交换限度</th> <th rowspan="2" style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">摘要</th> </tr> <tr style="margin:0px auto;padding:0px;"><th style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">机油</th> <th style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">其他的油</th> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">与新油对比的粘度变化　　mm<sup style="margin:0px auto;padding:0px;">2</sup>/s</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">25%以内、10～15%Z为合适</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">10%以内</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">酸化劣化的发生，异类油的混入</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">水份体积　　%</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.2以下</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.2以下</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">脱水后又再使用的可能性</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;"><table border="0" cellpadding="0" cellspacing="0" style="margin:0px auto;padding:0px;"><tbody style="margin:0px auto;padding:0px;"><tr style="margin:0px auto;padding:0px;"><td class="DataLeft" rowspan="3" style="margin:0px auto;padding:3px;border-style:none;border-right-color:#bbbbbb;border-bottom-color:#bbbbbb;vertical-align:middle;">不溶解部分<br style="margin:0px auto;padding:0px;" /> 的重量</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;border-style:none;border-right-color:#bbbbbb;border-bottom-color:#bbbbbb;vertical-align:middle;">戊烷分子　%</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;border-style:none;border-right-color:#bbbbbb;border-bottom-color:#bbbbbb;vertical-align:middle;">苯　%</td> </tr> </tbody> </table> </td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">1.0以下<br style="margin:0px auto;padding:0px;" /> <br style="margin:0px auto;padding:0px;" /> 0.5以下</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.2以下<br style="margin:0px auto;padding:0px;" /> <br style="margin:0px auto;padding:0px;" /> 0.9以下</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">添加剂碳素磨耗粉尘埃</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">沉淀值　　ml/10ml</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">　</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.1以下</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">水份，尘埃等异物，金属磨耗粉</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">总酸值　　KOHmg/g</td> <td colspan="2" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">新油的2～3倍</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">由添加剂取较高的值</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">灰份　　%</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.2以下</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">---</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">　</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">灰份中的铁份　　%</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">0.1以下</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">---</td> <td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">　</td> </tr> </tbody> </table> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;"> </p> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;"><strong style="margin:0px auto;padding:0px;">表2　NHBB润滑油的性能试验频度</strong></p> <table border="0" cellpadding="0" cellspacing="0" class="DataCenter" style="margin:0px;padding:0px;color:#333333;border-top-style:solid;border-top-color:#bbbbbb;border-left-style:solid;border-left-color:#bbbbbb;width:534px;font-family:宋体;font-size:13px;line-height:23px;"><tbody style="margin:0px auto;padding:0px;"><tr style="margin:0px auto;padding:0px;"><th rowspan="2" style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">润滑方法</th> <th colspan="2" style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">点检期间</th> </tr> <tr style="margin:0px auto;padding:0px;"><th style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">普通的旋转条件</th> <th style="margin:0px auto;padding:3px;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;background-color:#eae3c7;">*恶劣的旋转条件</th> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">圆盘供油法</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">每年1次</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">每6个月1次</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">浸油，飞沫供油法</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">每6个月1次</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">每3个月1次</td> </tr> <tr style="margin:0px auto;padding:0px;"><td class="DataLeft" style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">循环供油法</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">每9个月1次</td> <td style="margin:0px auto;padding:3px;text-align:center;border-right-style:solid;border-right-color:#bbbbbb;border-bottom-style:solid;border-bottom-color:#bbbbbb;">1～3个月1次</td> </tr> </tbody> </table> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;"> </p> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;">*恶劣的旋转条件如下所示。</p> <p style="margin:0px auto;padding:0px;color:#333333;font-family:宋体;line-height:23px;font-size:13px;"> </p> <ol class="mar_left" style="margin:0px auto 0px 30px;padding:0px;color:#333333;font-family:宋体;font-size:13px;line-height:23px;"><li style="margin:0px auto;padding:0px;list-style:none;">水份的凝缩，或混入明显。</li> <li style="margin:0px auto;padding:0px;list-style:none;">粉尘粒子等的混入明显。</li> <li style="margin:0px auto;padding:0px;list-style:none;">旋转温度在120度以上。</li> </ol>