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2024-03-21
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File: D:\database\translate.php
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Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
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File: D:\database\translate.php
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Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
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一、前言
风机设备铭牌参数如：
电机型号M2QA112M4A、功率4KW、额定转速1435r/min（变频器调速）、前轴承型号skf6207、后轴承型号skf6206、轴承箱前后轴承6312。
2016年2月18在给排风机2#做振动检测时发现皮带轮侧频谱有异常变化，在皮带轮侧水平向速度谱出现较大转频及谐频，对比上次检测2016年1月14日明显增多增大，可以确定有旋转松动现象，结合现场给出的故障报告为轴承跑套。
二、故障分析
风机F3水平向振动趋势检测趋势，趋势持续上升，振动数值如下：
图3、4是风机F3测点水平向速度与加速度频谱，速度频谱中出现转频及2-16倍的谐频，这些谐频是机械响应中的脉冲和截断的结果。加速度频谱同样出现转频及谐频，说明F3测点有松动现象（旋转松动），这种情况轴与轴承过盈不足有关，轴承可能存在跑圈导致轴承档磨损。
三、结论
1.轴承有跑圈现象，轴承档可能磨损。
（来源：焦化干熄焦技术）
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Function: _error_handler
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Function: _error_handler
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Hangzhou Jingzhou Bearing Co.,Ltd.
Address：Liangzhu Indystrial City Hangzhou
Service hotline：0571-88777186 88777665
Jiangsu Jingzhou Bearing Co., Ltd.
Address：No.19, Yulan Avenue, Xuyi Economic DevelopmentZone, Huai’an City, Jiangsu Province
Service hotline：0517-80817777
Website：www.jzbearing.com
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