NMRV150減速機的蝸輪蝸桿接觸不良改善方法

文章出處：admin 人氣：發表時間：2019-09-22 23:11

NMRV150減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)的(de)蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)接(jie)(jie)觸(chu)(chu)不良改善方法。蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)是塔式機(ji)(ji)(ji)(ji)立窯的(de)重要(yao)傳動(dong)部(bu)件，由(you)于蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)更換麻煩，蝸(gua)輪(lun)(lun)齒圈比較貴重，因此應確保蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)的(de)加(jia)工質量，并(bing)合理(li)使(shi)用(yong)(yong)它。立窯設計(ji)中會使(shi)用(yong)(yong)了(le)大破(po)碎爪齒球形塔篦子，這(zhe)種塔篦子通風好(hao)，破(po)碎能力強，但在使(shi)用(yong)(yong)中傳動(dong)部(bu)分(fen)有(you)發(fa)熱現(xian)象(xiang)，經對(dui)RV減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)檢查發(fa)現(xian)，這(zhe)些(xie)蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)嚙合質量太(tai)差，蝸(gua)輪(lun)(lun)磨(mo)(mo)損嚴重，有(you)的(de)產生膠合現(xian)象(xiang)，這(zhe)些(xie)都發(fa)生在新窯運轉(zhuan)初期，這(zhe)是因為新塔篦子與原塔篦子相(xiang)比，與物料接(jie)(jie)觸(chu)(chu)面(mian)(mian)積，負(fu)荷也大，而(er)RV減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)蝸(gua)輪(lun)(lun)輪(lun)(lun)齒接(jie)(jie)觸(chu)(chu)面(mian)(mian)積小，導致接(jie)(jie)觸(chu)(chu)應力增加(jia)，造(zao)成(cheng)(cheng)局部(bu)磨(mo)(mo)損。根據磨(mo)(mo)損痕跡看出，蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)減(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)主要(yao)存(cun)在下(xia)列三種不良接(jie)(jie)觸(chu)(chu)現(xian)象(xiang): 對(dui)角接(jie)(jie)觸(chu)(chu)；上端或下(xia)端接(jie)(jie)觸(chu)(chu)；面(mian)(mian)接(jie)(jie)觸(chu)(chu)好(hao)，面(mian)(mian)接(jie)(jie)觸(chu)(chu)差，這(zhe)些(xie)現(xian)象(xiang)有(you)加(jia)工造(zao)成(cheng)(cheng)的(de)，也有(you)裝配(pei)造(zao)成(cheng)(cheng)的(de)，因此必須采(cai)取針對(dui)措(cuo)施(shi)提高RV減(jian)速(su)(su)(su)箱蝸(gua)輪(lun)(lun)蝸(gua)桿(gan)的(de)接(jie)(jie)觸(chu)(chu)精度，并(bing)要(yao)注(zhu)意它的(de)使(shi)用(yong)(yong)方法。

鵠(hu)興牌減(jian)速機電機，NMRV150減(jian)速機的蝸輪蝸桿接(jie)觸不良改善方法

強化(hua)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝：產生對角接(jie)觸(chu)原(yuan)因(yin)有裝(zhuang)(zhuang)配(pei)中(zhong)(zhong)(zhong)心距(ju)大于(yu)(yu)加(jia)工(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心距(ju)。RV減速機蝸(gua)桿(gan)(gan)或滾刀與蝸(gua)輪中(zhong)(zhong)(zhong)心線垂直，采用測(ce)量齒(chi)(chi)厚方法控(kong)制蝸(gua)輪加(jia)工(gong)(gong)(gong)(gong)精度，由于(yu)(yu)齒(chi)(chi)厚計(ji)算偏(pian)小，而齒(chi)(chi)厚偏(pian)差(cha)按齒(chi)(chi)輪齒(chi)(chi)厚偏(pian)差(cha)選用，偏(pian)差(cha)值較大，而工(gong)(gong)(gong)(gong)人(ren)加(jia)工(gong)(gong)(gong)(gong)時習慣(guan)按下編差(cha)控(kong)制，從而造成加(jia)工(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心距(ju)小于(yu)(yu)裝(zhuang)(zhuang)配(pei)中(zhong)(zhong)(zhong)心距(ju)，蝸(gua)輪蝸(gua)桿(gan)(gan)減速機裝(zhuang)(zhuang)配(pei)后，蝸(gua)輪蝸(gua)桿(gan)(gan)嚙合形成對角接(jie)觸(chu)，針對上述情況(kuang)，除(chu)保證(zheng)各相關件的(de)加(jia)工(gong)(gong)(gong)(gong)精度外(wai)，重點保證(zheng)NMRV減速機蝸(gua)輪加(jia)工(gong)(gong)(gong)(gong)精度，而齒(chi)(chi)厚必須正確計(ji)算并按標選用齒(chi)(chi)厚偏(pian)差(cha)。

建(jian)立試車(che)(che)臺(tai)，控制接(jie)觸(chu)斑點：蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)的接(jie)觸(chu)面(mian)(mian)積(ji)(ji)是蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)減(jian)(jian)速機(ji)質(zhi)量的綜合(he)反映。以(yi)前(qian)裝(zhuang)配工(gong)(gong)靠手(shou)盤動(dong)RV減(jian)(jian)速機(ji)的感覺來判定裝(zhuang)配是否到位(wei)，不能(neng)正確判斷蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)的接(jie)觸(chu)面(mian)(mian)積(ji)(ji)及位(wei)置(zhi)(zhi)，現建(jian)立試車(che)(che)臺(tai)，將(jiang)裝(zhuang)配好(hao)的蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)減(jian)(jian)速電機(ji)中的蝸(gua)(gua)(gua)桿(gan)(gan)(gan)涂(tu)上紅丹，在(zai)試車(che)(che)臺(tai)上運(yun)轉(zhuan)(zhuan)，觀察接(jie)觸(chu)斑點位(wei)置(zhi)(zhi)，根據(ju)接(jie)觸(chu)斑點位(wei)置(zhi)(zhi)來調整蝸(gua)(gua)(gua)輪(lun)位(wei)置(zhi)(zhi)，要(yao)求(qiu)接(jie)觸(chu)斑點位(wei)置(zhi)(zhi)稍偏(pian)于嚙出側(ce)，使(shi)入(ru)口形成油楔，然后進行跑合(he)。蝸(gua)(gua)(gua)桿(gan)(gan)(gan)旋轉(zhuan)(zhuan)方(fang)(fang)向：車(che)(che)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)時(shi)(shi)由于螺旋升角(jiao)的影(ying)響，輪(lun)齒(chi)右側(ce)齒(chi)面(mian)(mian)切(qie)削(xue)條件(jian)好(hao)，左(zuo)側(ce)切(qie)削(xue)條件(jian)差，并且車(che)(che)左(zuo)側(ce)面(mian)(mian)時(shi)(shi)車(che)(che)刀(dao)所(suo)受軸(zhou)向切(qie)削(xue)力(li)與(yu)走(zou)刀(dao)方(fang)(fang)向相(xiang)同，所(suo)以(yi)切(qie)削(xue)不平穩，RV減(jian)(jian)速機(ji)齒(chi)形誤差比右側(ce)大。再如果滾蝸(gua)(gua)(gua)輪(lun)時(shi)(shi)滾刀(dao)桿(gan)(gan)(gan)的軸(zhou)承間(jian)隙大，加(jia)工(gong)(gong)時(shi)(shi)產生讓刀(dao)，這樣蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿(gan)(gan)(gan)嚙合(he)時(shi)(shi)蝸(gua)(gua)(gua)輪(lun)輪(lun)齒(chi)側(ce)接(jie)觸(chu)好(hao)，側(ce)接(jie)觸(chu)差，因此在(zai)運(yun)轉(zhuan)(zhuan)初期建(jian)議(yi)旋轉(zhuan)(zhuan)方(fang)(fang)向：從輸(shu)入(ru)端看蝸(gua)(gua)(gua)桿(gan)(gan)(gan)順時(shi)(shi)針方(fang)(fang)向旋轉(zhuan)(zhuan)，蝸(gua)(gua)(gua)輪(lun)旋轉(zhuan)(zhuan)方(fang)(fang)向與(yu)加(jia)工(gong)(gong)時(shi)(shi)相(xiang)同，反方(fang)(fang)向旋轉(zhuan)(zhuan)只能(neng)短(duan)時(shi)(shi)使(shi)用。

潤(run)滑油的選(xuan)擇：立(li)窯用(yong)蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿減速(su)(su)機(ji)(ji)屬于低(di)速(su)(su)重載傳動，工(gong)(gong)(gong)作(zuo)條件(jian)差，有的廠家使用(yong)的潤(run)滑油為般機(ji)(ji)械油，由(you)于粘度低(di)，形不(bu)成油膜，造成齒面磨損發熱(re)(re)嚴重，引起膠合，建議該RV減速(su)(su)機(ji)(ji)應選(xuan)用(yong) 52號過熱(re)(re)汽缸油或極壓齒輪(lun)油潤(run)滑。采用(yong)制(zhi)造人工(gong)(gong)(gong)油涵(han)的方(fang)法加工(gong)(gong)(gong)蝸(gua)(gua)輪(lun)，制(zhi)造人工(gong)(gong)(gong)油涵(han)不(bu)僅可改(gai)善潤(run)滑條件(jian)，降(jiang)低(di)摩擦系數和(he)(he)應力，從(cong)而提高(gao)蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿減速(su)(su)機(ji)(ji)承載的能力和(he)(he)效(xiao)率，而且(qie)可以消除對角接(jie)觸現象，從(cong)而減少(shao)裝配工(gong)(gong)(gong)的修配工(gong)(gong)(gong)作(zuo)量(liang)。

鵠興牌減速機電機，NMRV150減速機的蝸輪蝸桿(gan)接(jie)觸不良改善方法

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