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(jian)：2019-09-22 23:11

NMRV150減(jian)(jian)速(su)(su)機(ji)(ji)(ji)的(de)蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)接(jie)(jie)觸(chu)不良(liang)改善方(fang)法。蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)減(jian)(jian)速(su)(su)機(ji)(ji)(ji)是(shi)塔(ta)(ta)式機(ji)(ji)(ji)立(li)窯(yao)的(de)重要傳(chuan)(chuan)動部件，由(you)于蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)更換麻煩(fan)，蝸(gua)(gua)(gua)輪(lun)(lun)齒圈(quan)比(bi)較(jiao)貴重，因(yin)(yin)此應(ying)確保蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)減(jian)(jian)速(su)(su)機(ji)(ji)(ji)的(de)加工(gong)質(zhi)量，并合(he)理使用(yong)它。立(li)窯(yao)設(she)計中(zhong)會(hui)使用(yong)了大(da)破碎(sui)爪齒球(qiu)形塔(ta)(ta)篦(bi)子(zi)(zi)，這種(zhong)塔(ta)(ta)篦(bi)子(zi)(zi)通風(feng)好(hao)，破碎(sui)能力(li)強，但在(zai)使用(yong)中(zhong)傳(chuan)(chuan)動部分(fen)有(you)(you)(you)發熱現(xian)(xian)象，經對RV減(jian)(jian)速(su)(su)機(ji)(ji)(ji)檢查發現(xian)(xian)，這些蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)嚙(nie)合(he)質(zhi)量太差(cha)，蝸(gua)(gua)(gua)輪(lun)(lun)磨損嚴(yan)重，有(you)(you)(you)的(de)產生(sheng)膠合(he)現(xian)(xian)象，這些都發生(sheng)在(zai)新(xin)窯(yao)運轉(zhuan)初期，這是(shi)因(yin)(yin)為(wei)新(xin)塔(ta)(ta)篦(bi)子(zi)(zi)與原塔(ta)(ta)篦(bi)子(zi)(zi)相比(bi)，與物料(liao)接(jie)(jie)觸(chu)面(mian)(mian)(mian)積(ji)，負荷也大(da)，而RV減(jian)(jian)速(su)(su)機(ji)(ji)(ji)蝸(gua)(gua)(gua)輪(lun)(lun)輪(lun)(lun)齒接(jie)(jie)觸(chu)面(mian)(mian)(mian)積(ji)小(xiao)，導致接(jie)(jie)觸(chu)應(ying)力(li)增加，造成(cheng)局部磨損。根據磨損痕跡看出，蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)減(jian)(jian)速(su)(su)機(ji)(ji)(ji)主要存在(zai)下(xia)列三種(zhong)不良(liang)接(jie)(jie)觸(chu)現(xian)(xian)象: 對角(jiao)接(jie)(jie)觸(chu)；上端或下(xia)端接(jie)(jie)觸(chu)；面(mian)(mian)(mian)接(jie)(jie)觸(chu)好(hao)，面(mian)(mian)(mian)接(jie)(jie)觸(chu)差(cha)，這些現(xian)(xian)象有(you)(you)(you)加工(gong)造成(cheng)的(de)，也有(you)(you)(you)裝(zhuang)配造成(cheng)的(de)，因(yin)(yin)此必須采取針對措施提高(gao)RV減(jian)(jian)速(su)(su)箱蝸(gua)(gua)(gua)輪(lun)(lun)蝸(gua)(gua)(gua)桿(gan)(gan)的(de)接(jie)(jie)觸(chu)精度，并要注意它的(de)使用(yong)方(fang)法。

鵠興牌減(jian)速(su)機(ji)電機(ji)，NMRV150減(jian)速(su)機(ji)的蝸(gua)輪(lun)蝸(gua)桿接觸不良改善方法(fa)

強化加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝：產生(sheng)對角接(jie)觸原(yuan)因有裝(zhuang)配(pei)(pei)中(zhong)心距大(da)于加(jia)工(gong)(gong)(gong)(gong)中(zhong)心距。RV減速機(ji)蝸(gua)(gua)(gua)桿或滾刀與蝸(gua)(gua)(gua)輪(lun)中(zhong)心線垂(chui)直，采(cai)用(yong)測量齒(chi)厚(hou)(hou)方(fang)法控(kong)制蝸(gua)(gua)(gua)輪(lun)加(jia)工(gong)(gong)(gong)(gong)精(jing)度(du)，由于齒(chi)厚(hou)(hou)計算偏(pian)小，而齒(chi)厚(hou)(hou)偏(pian)差按(an)齒(chi)輪(lun)齒(chi)厚(hou)(hou)偏(pian)差選用(yong)，偏(pian)差值較大(da)，而工(gong)(gong)(gong)(gong)人加(jia)工(gong)(gong)(gong)(gong)時(shi)習慣按(an)下(xia)編差控(kong)制，從而造成(cheng)加(jia)工(gong)(gong)(gong)(gong)中(zhong)心距小于裝(zhuang)配(pei)(pei)中(zhong)心距，蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿減速機(ji)裝(zhuang)配(pei)(pei)后(hou)，蝸(gua)(gua)(gua)輪(lun)蝸(gua)(gua)(gua)桿嚙合形成(cheng)對角接(jie)觸，針對上述(shu)情(qing)況，除保(bao)證各相關件(jian)的(de)加(jia)工(gong)(gong)(gong)(gong)精(jing)度(du)外，重點保(bao)證NMRV減速機(ji)蝸(gua)(gua)(gua)輪(lun)加(jia)工(gong)(gong)(gong)(gong)精(jing)度(du)，而齒(chi)厚(hou)(hou)必須正確計算并(bing)按(an)標選用(yong)齒(chi)厚(hou)(hou)偏(pian)差。

建(jian)立試(shi)車(che)(che)臺(tai)，控制接觸(chu)(chu)斑點：蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)(gua)(gua)桿(gan)的(de)(de)接觸(chu)(chu)面積是蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)(gua)(gua)桿(gan)減(jian)速(su)機質量(liang)的(de)(de)綜合(he)反映。以(yi)前裝配工(gong)(gong)(gong)靠手盤動RV減(jian)速(su)機的(de)(de)感覺來(lai)判定裝配是否到位，不能正確判斷蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)(gua)(gua)桿(gan)的(de)(de)接觸(chu)(chu)面積及(ji)位置(zhi)(zhi)，現建(jian)立試(shi)車(che)(che)臺(tai)，將裝配好的(de)(de)蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)(gua)(gua)桿(gan)減(jian)速(su)電機中(zhong)的(de)(de)蝸(gua)(gua)(gua)(gua)桿(gan)涂上(shang)紅丹，在(zai)試(shi)車(che)(che)臺(tai)上(shang)運轉(zhuan)，觀察接觸(chu)(chu)斑點位置(zhi)(zhi)，根據接觸(chu)(chu)斑點位置(zhi)(zhi)來(lai)調(diao)整蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)位置(zhi)(zhi)，要求接觸(chu)(chu)斑點位置(zhi)(zhi)稍偏于(yu)嚙出(chu)側(ce)(ce)，使(shi)(shi)入(ru)口形(xing)成(cheng)油(you)楔，然后進行跑(pao)合(he)。蝸(gua)(gua)(gua)(gua)桿(gan)旋轉(zhuan)方(fang)向(xiang)：車(che)(che)蝸(gua)(gua)(gua)(gua)桿(gan)時(shi)(shi)由于(yu)螺旋升角的(de)(de)影響，輪(lun)(lun)(lun)齒右(you)側(ce)(ce)齒面切(qie)削條件好，左(zuo)(zuo)側(ce)(ce)切(qie)削條件差，并且車(che)(che)左(zuo)(zuo)側(ce)(ce)面時(shi)(shi)車(che)(che)刀所受軸(zhou)向(xiang)切(qie)削力與(yu)走刀方(fang)向(xiang)相同(tong)，所以(yi)切(qie)削不平(ping)穩，RV減(jian)速(su)機齒形(xing)誤差比右(you)側(ce)(ce)大。再如果滾蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)時(shi)(shi)滾刀桿(gan)的(de)(de)軸(zhou)承(cheng)間隙大，加工(gong)(gong)(gong)時(shi)(shi)產生讓刀，這樣蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)(gua)(gua)桿(gan)嚙合(he)時(shi)(shi)蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)輪(lun)(lun)(lun)齒側(ce)(ce)接觸(chu)(chu)好，側(ce)(ce)接觸(chu)(chu)差，因此在(zai)運轉(zhuan)初期建(jian)議旋轉(zhuan)方(fang)向(xiang)：從輸(shu)入(ru)端(duan)看蝸(gua)(gua)(gua)(gua)桿(gan)順時(shi)(shi)針(zhen)方(fang)向(xiang)旋轉(zhuan)，蝸(gua)(gua)(gua)(gua)輪(lun)(lun)(lun)旋轉(zhuan)方(fang)向(xiang)與(yu)加工(gong)(gong)(gong)時(shi)(shi)相同(tong)，反方(fang)向(xiang)旋轉(zhuan)只能短時(shi)(shi)使(shi)(shi)用(yong)。

潤滑油(you)(you)的(de)(de)選(xuan)(xuan)擇：立窯(yao)用蝸輪蝸桿減速(su)機(ji)屬于低速(su)重(zhong)載(zai)傳動，工(gong)(gong)(gong)作條(tiao)件(jian)差，有的(de)(de)廠家使用的(de)(de)潤滑油(you)(you)為般機(ji)械油(you)(you)，由于粘(zhan)度低，形不成油(you)(you)膜，造(zao)成齒(chi)面磨損發熱(re)嚴重(zhong)，引起膠合，建議該RV減速(su)機(ji)應選(xuan)(xuan)用 52號過(guo)熱(re)汽缸油(you)(you)或極壓齒(chi)輪油(you)(you)潤滑。采用制造(zao)人工(gong)(gong)(gong)油(you)(you)涵(han)的(de)(de)方法加工(gong)(gong)(gong)蝸輪，制造(zao)人工(gong)(gong)(gong)油(you)(you)涵(han)不僅可改(gai)善潤滑條(tiao)件(jian)，降低摩擦系數(shu)和(he)應力，從(cong)而(er)提高蝸輪蝸桿減速(su)機(ji)承(cheng)載(zai)的(de)(de)能力和(he)效率(lv)，而(er)且可以消除(chu)對角接(jie)觸(chu)現象，從(cong)而(er)減少裝配工(gong)(gong)(gong)的(de)(de)修配工(gong)(gong)(gong)作量。

鵠興(xing)牌減(jian)速機電機，NMRV150減(jian)速機的蝸輪蝸桿接觸不良改善方法

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