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一.不同心出現的斷軸問題
當電機和減速機間jian裝zhuang配pei時shi同tong心xin度du保bao證zheng的de非fei常chang好hao時shi,電dian機ji輸shu出chu軸zhou承cheng受shou的de僅jin僅jin是shi轉zhuan動dong力li,運yun轉zhuan時shi也ye會hui很hen平ping滑hua。然ran而er不bu同tong心xin時shi,輸shu出chu軸zhou要yao承cheng受shou來lai自zi於yu減jian速su機ji輸shu入ru端duan的de徑jing向xiang力li,這zhe個ge徑jing向xiang力li長chang期qi作zuo用yong將jiang會hui使shi電dian機ji輸shu出chu軸zhou被bei迫po彎wan曲qu,而er且qie彎wan曲qu的de方fang向xiang隨sui著zhe輸shu出chu軸zhou轉zhuan動dong不bu斷duan變bian化hua。輸shu出chu軸zhou每mei轉zhuan動dong一yi周zhou,橫heng向xiang力li的de方fang向xiang變bian化hua360度du。如ru果guo同tong心xin度du的de誤wu差cha較jiao大da時shi,該gai徑jing向xiang力li使shi電dian機ji輸shu出chu軸zhou溫wen度du升sheng高gao,其qi金jin屬shu結jie構gou不bu斷duan被bei破po壞huai,最zui後hou該gai徑jing向xiang力li將jiang會hui超chao出chu電dian機ji輸shu出chu軸zhou所suo能neng承cheng受shou的de徑jing向xiang力li,最zui後hou導dao致zhi驅qu動dong電dian機ji輸shu出chu軸zhou折zhe斷duan。當dang同tong心xin度du的de誤wu差cha越yue大da時shi,驅qu動dong電dian機ji輸shu出chu軸zhou折zhe斷duan的de時shi間jian越yue短duan。在zai驅qu動dong電dian機ji輸shu出chu軸zhou折zhe斷duan的de同tong時shi,減jian速su機ji輸shu入ru端duan同tong樣yang也ye會hui承cheng受shou來lai自zi於yu電dian機ji方fang麵mian的de徑jing向xiang力li,如ru果guo這zhe個ge徑jing向xiang力li同tong時shi超chao出chu了le二er者zhe所suo能neng承cheng受shou的de最zui大da徑jing向xiang負fu荷he的de話hua,其qi結jie果guo也ye會hui導dao致zhi減jian速su機ji輸shu入ru端duan產chan生sheng變bian形xing甚shen至zhi斷duan裂lie。因yin此ci,在zai裝zhuang配pei時shi保bao證zheng同tong心xin度du至zhi關guan重zhong要yao!
直zhi觀guan上shang講jiang,如ru果guo電dian機ji軸zhou和he減jian速su機ji輸shu入ru端duan同tong心xin,那na麼me電dian機ji和he減jian速su機ji間jian的de配pei合he就jiu會hui很hen緊jin密mi,它ta們men之zhi間jian的de接jie觸chu麵mian緊jin緊jin相xiang連lian,而er裝zhuang配pei時shi如ru果guo不bu同tong心xin,那na麼me它ta們men間jian的de接jie觸chu麵mian之zhi間jian就jiu會hui有you間jian隙xi。
同樣,減速機deshuchuzhouyeyouzheduanhuowanquxianxiangfasheng,qiyuanyinyuqudongdianjideduanzhouyuanyinxiangtong。danjiansujidechulishiqudongdianjichulihejiansubizhiji,xiangduiyudianjilaijiangchuligengda,gujiansujishuchuzhougengyibeizheduan。yinci,yonghuzaishiyong減速機時,對其輸出端裝配同心度的保證也應十分注意!
二.減速機出力太小出現的斷軸問題
除了由於減速機輸出端裝配同心度不好,而造成的減速機斷軸以外,減速機的輸出軸如果折斷,不外乎以下幾點原因。
首(shou)先(xian),錯(cuo)誤(wu)的(de)選(xuan)型(xing)致(zhi)使(shi)所(suo)配(pei)減(jian)速(su)機(ji)出(chu)力(li)不(bu)夠(gou)。有(you)些(xie)用(yong)戶(hu)在(zai)選(xuan)型(xing)時(shi),誤(wu)認(ren)為(wei)隻(zhi)要(yao)所(suo)選(xuan)減(jian)速(su)機(ji)的(de)額(e)定(ding)輸(shu)出(chu)扭(niu)矩(ju)滿(man)足(zu)工(gong)作(zuo)要(yao)求(qiu)就(jiu)可(ke)以(yi)了(le),其(qi)實(shi)不(bu)然(ran),一(yi)是(shi)所(suo)配(pei)電(dian)機(ji)額(e)定(ding)輸(shu)出(chu)扭(niu)矩(ju)乘(cheng)上(shang)減(jian)速(su)比(bi),得(de)到(dao)的(de)數(shu)值(zhi)原(yuan)則(ze)上(shang)要(yao)小(xiao)於(yu)產(chan)品(pin)樣(yang)本(ben)提(ti)供(gong)的(de)相(xiang)近(jin)減(jian)速(su)機(ji)的(de)額(e)定(ding)輸(shu)出(chu)扭(niu)矩(ju),二(er)是(shi)同(tong)時(shi)還(hai)要(yao)考(kao)慮(lv)其(qi)驅(qu)動(dong)電(dian)機(ji)的(de)過(guo)載(zai)能(neng)力(li)及(ji)實(shi)際(ji)中(zhong)所(suo)需(xu)最(zui)大(da)工(gong)作(zuo)扭(niu)矩(ju)。理(li)論(lun)上(shang),用(yong)戶(hu)所(suo)需(xu)最(zui)大(da)工(gong)作(zuo)扭(niu)矩(ju)一(yi)定(ding)要(yao)小(xiao)於(yu)減(jian)速(su)機(ji)額(e)定(ding)輸(shu)出(chu)扭(niu)矩(ju)的(de)2倍bei。尤you其qi是shi有you些xie應ying用yong場chang合he必bi須xu嚴yan格ge遵zun守shou這zhe一yi準zhun則ze,這zhe不bu僅jin是shi對dui減jian速su機ji裏li麵mian齒chi輪lun的de保bao護hu,更geng主zhu要yao的de是shi避bi免mian減jian速su機ji的de輸shu出chu軸zhou就jiu被bei扭niu斷duan。這zhe主zhu要yao是shi因yin為wei,如ru果guo設she備bei安an裝zhuang有you問wen題ti,減jian速su機ji的de輸shu出chu軸zhou及ji其qi負fu載zai被bei卡ka住zhu了le,這zhe時shi驅qu動dong電dian機ji的de過guo載zai能neng力li依yi然ran會hui使shi其qi不bu斷duan加jia大da出chu力li,進jin而er,可ke能neng使shi減jian速su機ji的de輸shu出chu軸zhou承cheng受shou的de力li超chao過guo其qi額e定ding輸shu出chu扭niu矩ju的de2倍而扭斷減速機的輸出軸。
其次,在加速和減速的過程中,減速機輸出軸所乘受瞬間的扭矩如果超過了其額定輸出扭矩的2倍,並且這種加速和減速又過於頻繁,那麼最終也會使減速機斷軸。 減速機安裝注意事項及問題分析
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