東莞蝸杆齒輪齧合間隙的周期性變化

東莞蝸杆齒輪齧合間隙的周期性變化 齒chi輪lun在zai采cai用yong電dian機ji軸zhou直zhi接jie帶dai動dong齒chi輪lun傳chuan動dong時shi，將jiang引yin起qi齒chi輪lun齧nie合he間jian隙xi的de周zhou期qi性xing變bian化hua，一yi方fang麵mian使shi齒chi輪lun噪zao聲sheng急ji劇ju增zeng加jia
，另ling一yi方fang麵mian也ye使shi電dian機ji軸zhou承cheng受shou交jiao變bian的de徑jing向xiang力li。跳tiao動dong誤wu差cha越yue大da

，則ze電dian機ji軸zhou承cheng受shou的de徑jing向xiang力li就jiu越yue大da。所suo以yi，這zhe種zhong使shi用yong方fang式shi極ji不bu可ke取qu。比bi較jiao理li想xiang的de辦ban法fa是shi電dian機ji軸zhou通tong過guo彈dan性xing聯lian軸zhou節jie與yu兩liang端duan有you支zhi承cheng的de齒chi輪lun軸zhou聯lian接jie。彈dan性xing聯lian軸zhou節jie不bu僅jin可ke起qi到dao減jian振zhen的de作zuo用yong，也ye可ke消xiao除chu電dian機ji製zhi造zao誤wu差cha對dui傳chuan動dong係xi統tong的de影ying響xiang。 電機噪聲也與輸出額定轉速有關。在功率相同的情況下，6級電機比4級電機噪聲低2～4dB.對dui於yu轉zhuan速su不bu很hen高gao的de齒chi輪lun傳chuan動dong係xi統tong
，應ying盡jin量liang選xuan用yong較jiao低di轉zhuan速su的de電dian機ji，使shi係xi統tong齒chi輪lun線xian速su度du降jiang低di，同tong時shi也ye減jian小xiao總zong的de降jiang速su比bi，使shi結jie構gou設she計ji得de更geng加jia簡jian單dan合he理li。降jiang低di機ji床chuang噪zao聲sheng是shi一yi個ge相xiang當dang複fu雜za的de問wen題ti，它ta與yu傳chuan動dong係xi統tong的de擬ni定ding、精度
、剛度、搞振性及製造工藝等都有關係。必須從開始設計時就注意這個問題，全麵考慮，統籌解決。 因(yin)此(ci)在(zai)斜(xie)齒(chi)輪(lun)傳(chuan)動(dong)的(de)係(xi)統(tong)中(zhong)得(de)到(dao)廣(guang)泛(fan)應(ying)用(yong)。對(dui)於(yu)普(pu)通(tong)的(de)傳(chuan)動(dong)係(xi)統(tong)，軸(zhou)承(cheng)噪(zao)聲(sheng)不(bu)會(hui)成(cheng)為(wei)主(zhu)要(yao)噪(zao)聲(sheng)源(yuan)。但(dan)在(zai)高(gao)速(su)精(jing)密(mi)機(ji)床(chuang)的(de)傳(chuan)動(dong)係(xi)統(tong)中(zhong)，軸(zhou)承(cheng)噪(zao)聲(sheng)是(shi)不(bu)可(ke)忽(hu)視(shi)的(de)。當(dang)軸(zhou)承(cheng)噪(zao)聲(sheng)成(cheng)為(wei)關(guan)鍵(jian)時(shi)，選(xuan)用(yong)低(di)噪(zao)聲(sheng)軸(zhou)承(cheng)比(bi)提(ti)高(gao)軸(zhou)承(cheng)的(de)精(jing)度(du)更(geng)經(jing)濟(ji)有(you)效(xiao)。