瀏覽次數:
振動篩現強烈震動的解決方法
振動篩軸在長時間使用之後,可能會出現斷裂、啟動失敗或啟動時跑偏、不(bu)平(ping)等(deng)現(xian)象(xiang),同(tong)樣(yang)也(ye)會(hui)出(chu)現(xian)振(zhen)動(dong)力(li)過(guo)強(qiang),導(dao)致(zhi)振(zhen)動(dong)篩(shai)出(chu)現(xian)強(qiang)烈(lie)震(zhen)動(dong),一(yi)旦(dan)出(chu)現(xian)這(zhe)種(zhong)情(qing)況(kuang),不(bu)但(dan)會(hui)影(ying)響(xiang)振(zhen)動(dong)篩(shai)的(de)正(zheng)常(chang)使(shi)用(yong)還(hai)會(hui)導(dao)致(zhi)振(zhen)動(dong)篩(shai)損(sun)壞(huai),那(na)麼(me)振(zhen)動(dong)篩(shai)出(chu)現(xian)強(qiang)烈(lie)震(zhen)動(dong)怎(zen)麼(me)解(jie)決(jue)呢(ne)?
1.電機軸承摩擦性較大
振zhen動dong篩shai上shang的de振zhen動dong電dian機ji軸zhou承cheng因yin為wei承cheng受shou較jiao大da的de激ji振zhen力li會hui引yin起qi彈dan性xing振zhen動dong,如ru果guo軸zhou承cheng因yin為wei潤run滑hua脂zhi缺que少shao或huo質zhi量liang不bu佳jia就jiu會hui產chan生sheng較jiao大da的de摩mo擦ca性xing,使shi電dian機ji軸zhou承cheng在zai使shi用yong中zhong溫wen度du過guo高gao膨peng脹zhang造zao成cheng徑jing向xiang遊you隙xi減jian小xiao引yin發fa篩shai機ji強qiang烈lie震zhen動dong。
解決方法:需要定期檢查振動電機軸承潤滑脂是否缺失並使用潤滑脂。
2.振動電機激振力過大
zhendongshaishangdezhendongdianjiruguojizhenliguodahuishishaijichanshengqiangliedeguanxingliyinqidianjizhouchengdefandonglizhendong,huipohuaizhouchengpingwendegongzuozhuangtaicongerchanshenggaopinlvzhendong,ruguozhendongdianjizhouchengdezhendongpinlvheshaijishangdedanxingzhendongdepinlvxiangtongshi,jiuhuiyinqishaijigongzhenxianxiangdaozhiqiangliezhendongdefasheng。
解決方法:調整振動電機兩端的偏心塊夾角改變激振力的大小,夾角小,激振力變大,振幅變大。夾角變大,激振力變小,振幅變小。
3.軸承與軸承座孔選擇不當
zhendongshaizhendongdianjizhouchengyuzhouchengzuokongxuanzebudangyehuizaochengshaijichuxianqiangliezhendong,ruoxuanzedezhouchengzuokongguoxiao,huishizhouchenggundaoxingzhuangchanshengbianxing,shishaijiyunzhuanshichanshengyichangzhendong。
解決方法:軸承座孔要選擇合適的大小,可在軸承座內放置橡膠減震環從而震動。
4.軸承徑向遊隙變小或變大
zhendongshaishangdezhendongdianjizhouchengjingxiangyouxibianxiaohuishizhouchengguomoheshengwenchanshenggaopinzhendongcongeryinfashaijiqiangliezhendong,guodahuijiangdizhouchengjingxiangguyoudepinlvyichanshenggongzhenyinqidipinlvzhendong。
解決方法:振動電機軸承徑向遊隙要適當調整,不能過小或過大。可以將軸承外圈進行磨削以達到合適的間隙。
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