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引起錘式破碎機軸承發熱的8個主要原因
發表作者:河南富盛源機器制造有限公司 發表時間:2019-09-04

 在錘式破碎機使用的過程中,很多用戶發現自己的錘式破碎機會出現軸承發熱的現象。發熱現象有些是在初期磨合期出現,運行一段時間后恢復正常;有的則持續很長時間,給生產帶來較大的影響。今天,主要介紹錘式破碎機軸承發熱的原因。

引起錘式破碎機軸承發熱的8個主要原因,看看你遇到過幾個

1、軸承設計選型不當

1、軸承選用不當

CHUISHIPOSUIJISHUYUZHONGHEZAISHEBEI,QIDONGSHISHIZHONGZAIQIDONG,YUNXINGSHIZAIHEJIAOZHONGQIEYOUCHONGJIFUHE,SUOYI,GUNDONGZHOUCHENGXUANYONGSHITEBIEYAOZHUYILIANGGEFANGMIANDEWENTI:

(1) 軸承的負載選擇。如果選用的軸承額定負荷低,運行中軸承磨損嚴重,會引起軸承發熱及壽命縮短。

(2) 軸承游隙的選擇。過小的游隙不利于油膜的形成和消除熱膨脹量,尤其在使用環境溫度較高時,過小的原始徑向游隙將會使軸承在運行中因溫度升高膨脹而間隙變小甚至為零,容易引起軸承發熱。

Tips

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2、軸承與軸或孔的設計配合不當

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2、軸承的磨損及配合失效

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3、備零部件的加工精度達不到要求

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4、安裝質量不良

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1)安裝不當造成聯軸器不對中、軸承座不水平。教你如何在网上轻松赚钱聯軸器或分體式軸承座的對中沒有調整好,對中精度差,初始狀態軸承就處于扭曲狀態。

LIANZHOUQIDEZHAOZHENGYINGANZHAOJIXIESHEBEIANZHUANGGONGCHENGSHIGONGJIYANSHOUTONGYONGGUIFAN(GB50231—2009)DEYAOQIU,GENJULIANZHOUQIDEZHIJINGDAXIAO,QUEDINGJINGXIANGWEIYIHEQINGXIEDUDEZUIDAYUNXUZHI,BINGANCIZHILAIXIAOZHENG。

2) 安裝時自由端軸承沒有留足熱膨脹量,致使此端軸承在工作時不能自由伸展,從而引起軸承承受較大的軸向力發熱甚至燒壞。

錘式破碎機的兩個滾動軸承一般采用一端固定、一端自由的安裝方法,這樣,當工作時溫度升高后,軸熱膨脹后可自由游動不受阻卡。為此,安裝時要注意此熱伸長量的計算和預留,要使軸承端面與軸承座端蓋的軸向間隙大于軸的熱伸長量。如果此預留的間隙值不足,軸受熱膨脹后軸承的端面就會與軸承座端蓋頂死,從而引起軸承發熱甚至燒壞。

5、潤滑不良

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1) RUNHUAJIDEXUANYONGJIRUNHUAFANGSHIBUHELI

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2) JIAYOU(ZHI)DELIANGBUDANG

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教你如何在网上轻松赚钱3) WEINENGANSHIHUANYOU、RUNHUAYOUBIANZHIJIRUNHUAYOUZHONGHANYOUTIEXIEDENGZAZHI,DAOZHIRUNHUAZHUANGKUANGEHUA。

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6、振動因素

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Tips:錘式破碎機國家標準規定錘式破碎機軸承座的振動振幅≤0.2mm教你如何在网上轻松赚钱,振動超標時要進行處理。

7、檢修方法不當

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8、環境溫度高

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