滾針軸承的安裝技巧
對(dui)於(yu)無(wu)內(nei)圈(quan)或(huo)無(wu)外(wai)圈(quan)的(de)滾(gun)針(zhen)軸(zhou)承(cheng),在(zai)安(an)裝(zhuang)時(shi),可(ke)先(xian)將(jiang)軸(zhou)或(huo)殼(ke)體(ti)孔(kong)的(de)滾(gun)動(dong)表(biao)麵(mian)塗(tu)一(yi)薄(bo)層(ceng)潤(run)滑(hua)脂(zhi),並(bing)把(ba)滾(gun)針(zhen)依(yi)次(ci)緊(jin)貼(tie)於(yu)安(an)裝(zhuang)部(bu)位(wei)的(de)潤(run)滑(hua)脂(zhi)上(shang)。貼(tie)放(fang)最(zui)後(hou)一(yi)根(gen)滾(gun)針(zhen)時(shi)應(ying)留(liu)有(you)間(jian)隙(xi),間(jian)隙(xi)的(de)大(da)小(xiao)在(zai)滾(gun)針(zhen)軸(zhou)承(cheng)的(de)圓(yuan)周(zhou)上(shang)以(yi)0。5mm為宜。千萬不能把最後一根滾針硬擠裝進去,或者少裝一根滾針,因為硬擠裝時,軸承會被卡死不能旋轉;少裝時,間隙過大,易造成軸承運轉時滾針發生扭擺和折斷。
這(zhe)裏(li)特(te)別(bie)指(zhi)出(chu),對(dui)於(yu)隻(zhi)有(you)衝(chong)壓(ya)外(wai)圈(quan)的(de)滾(gun)針(zhen)軸(zhou)承(cheng),由(you)於(yu)外(wai)圈(quan)壁(bi)很(hen)薄(bo),最(zui)好(hao)不(bu)用(yong)手(shou)錘(chui)敲(qiao)打(da)安(an)裝(zhuang),應(ying)使(shi)用(yong)壓(ya)力(li)機(ji)壓(ya)入(ru)。因(yin)為(wei)手(shou)錘(chui)敲(qiao)打(da)時(shi),壓(ya)力(li)不(bu)均(jun)勻(yun),容(rong)易(yi)使(shi)滾(gun)針(zhen)軸(zhou)承(cheng)的(de)外(wai)圈(quan)產(chan)生(sheng)局(ju)部(bu)變(bian)形(xing)。
anzhuangmanzhuanggunzhenzhoucheng,tongchangshiliyongfuzhutaotongjinxingde。zheshi,fuzhugunhuofuzhutaotongtuozhugunzhenbushigunzhendiaochu,zhoujingyiqizishendedaojiaojianggunzhenxianqi,suizhegunzhenzhouchengzaizhoujingshangxianglihuanhuanyidong,fuzhugunhuofuzhutaotongbianmanmantuichu,zhizhizhuangdaogongzuoweizhiweizhi。
輔助輥、輔助套筒的外徑應比軸直徑小0.1―0.3mm。安裝時,先將軸承外圈內表麵塗以潤滑脂,靠緊內表麵貼放滾針(放入最後一根滾針時應留有間隙),接jie著zhe把ba代dai替ti軸zhou頸jing或huo軸zhou承cheng內nei圈quan的de輔fu助zhu輥gun或huo輔fu助zhu套tao筒tong推tui入ru外wai圈quan孔kong內nei,並bing使shi其qi端duan麵mian對dui準zhun安an裝zhuang軸zhou端duan麵mian或huo已yi安an裝zhuang在zai軸zhou上shang的de軸zhou承cheng內nei圈quan端duan麵mian,然ran後hou用yong壓ya力li機ji或huo手shou錘chui敲qiao打da施shi加jia壓ya力li。
滾(gun)針(zhen)軸(zhou)承(cheng)也(ye)可(ke)以(yi)這(zhe)樣(yang)安(an)裝(zhuang),即(ji)將(jiang)輔(fu)助(zhu)套(tao)筒(tong)外(wai)徑(jing)塗(tu)一(yi)薄(bo)層(ceng)潤(run)滑(hua)油(you),套(tao)入(ru)軸(zhou)承(cheng)外(wai)圈(quan),使(shi)輔(fu)助(zhu)套(tao)筒(tong)和(he)軸(zhou)承(cheng)外(wai)圈(quan)構(gou)成(cheng)一(yi)個(ge)環(huan)形(xing)孔(kong),然(ran)後(hou)再(zai)於(yu)環(huan)形(xing)孔(kong)中(zhong)裝(zhuang)滾(gun)針(zhen)。裝(zhuang)完(wan)滾(gun)針(zhen)之(zhi)後(hou),用(yong)工(gong)作(zuo)軸(zhou)將(jiang)輔(fu)助(zhu)套(tao)筒(tong)推(tui)出(chu)即(ji)可(ke)。
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