齒輪結構設計需注意的幾個問題
由於齒輪具有質量、danxingyijijiagongwucha,suoyizainiehechuandongguochengzhongbukebimiandicunzaizhefanzhuanwucha,zhezhongwuchashifeixianxingde,erqiechuyusudukongzhihuanzhiwai,yingxiangzheweizhikongzhihuandewendingxing,suoyi,zaishejichilunchuandongdejiegoushi,yaozhuyiyixiajigewenti:
1、要有一定的齒輪加工精度。
2、齒chi輪lun的de轉zhuan動dong慣guan量liang要yao盡jin可ke能neng地di小xiao。為wei使shi驅qu動dong裝zhuang置zhi具ju有you良liang好hao的de動dong態tai特te性xing,設she計ji時shi要yao選xuan擇ze剛gang度du大da,比bi重zhong小xiao的de齒chi輪lun材cai料liao。通tong過guo齒chi形xing加jia工gong,轉zhuan動dong慣guan量liang會hui更geng小xiao。
3、由you於yu齒chi輪lun的de轉zhuan動dong慣guan量liang值zhi與yu其qi直zhi徑jing的de四si次ci方fang成cheng正zheng比bi,所suo以yi,齒chi輪lun直zhi徑jing應ying盡jin可ke能neng地di小xiao,尤you其qi是shi直zhi接jie安an裝zhuang在zai電dian機ji軸zhou上shang的de齒chi輪lun。為wei了le減jian少shao轉zhuan動dong慣guan量liang,可ke將jiang大da齒chi輪lun輪lun幅fu挖wa空kong,以yi減jian少shao齒chi輪lun的de質zhi量liang,
4、duiyuchuandongbisheji,chumanzujiqizhuangzhisudufangmiandeyaoqiuwai,haiyaoshiqidadaozuijiazhi,yishifuzaiheguanliangfangmiandedaohelidipipei。zheduitigaoxitongdejingdu、效率及動態響應都是重要的
5、為了減少轉動慣量,提高負載能力,適當地增加降速齒輪傳動級數是必要的,但傳動級數不可過多,一般不要超過兩級。否則,將導致傳動鏈的精度、剛度及效率都將下降,機械時間常數將變大,這對係統的性能是不利的。
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