NGW行星齿轮减速器地全参数1.docx

1、NGW行星齿轮减速器地全参数12基本参数（1）公称中心距a及公称传动比i0。见表-47、表-48、表-49表-47单级减速器机座号传动比代号1234567891011121314公称传动比i02.83.153.5544.555.66.37.1891011.212.5型号公称中心距a(mm)123456789101112NGW11NGW21NGW31NGW41NGW51NGW61NGW71NGW81NGW91NGW101NGW111NGW12156637180901001121251401601802005360677585951061181321501701905056637180901001

2、12125140160180表-48两级减速器机座号传动比代号12345678910111213141516171819202122公称传动比i01416182022.4252831.535.54045505663718090100112125140160型号公称中心距a(mm)456789101112NGW42NGW52NGW62NGW72NGW82NGW92NGW102NGW112NGW12256/8063/9071/10080/11290/125100/140112/160125/180140/20053/8060/9067/10075/11285/12595/140106/160118

3、/180132/20050/8056/9063/10071/11280/12590/140100/160112/180125/20050/7556/9063/10071/11280/12590/140100/160112/180125/20050/7156/8063/9071/10080/11290/125100/140112/160125/180表-49三级减速器机座号传动比代号12345678910111213141516171819202122公称传动比i0180200224250280315355400450500560630710800900100011201250140016001

4、8002000型号公称中心距a(mm)789101112NGW73NGW83NGW93NGW103NGW113NGW12353/80/11260/90/12567/100/14075/112/16085/125/18095/140/20050/80/11256/90/12563/100/14071/112/16080/125/18090/140/20050/75/11256/85/12563/95/14071/106/16080/118/18090/132/20050/71/11256/80/12563/90/14071/100/16080/112/18090/125/20050/71/106

5、56/80/11863/90/13271/100/15080/112/17090/125/19050/71/10056/80/11263/90/12571/100/14080/112/16090/125/180(2)齿轮模数m，见表-50。表-50齿轮模数1）1.251.51.7522.252.533.544.556781)这里推荐太阳轮和行星轮材料为20CrMnTi，渗碳淬硬，齿面碍度为5060HRC，内齿圈材料为40Cr,调质硬度为262293HB（当传动比i4时，齿面采用氮化，硬度Hv360）。（3）齿形参数：1）齿形角0=20；2）齿顶高系数ha*=1.0；3）顶隙c=0.25mm。4

6、)齿宽系数ba*=0.4450.5, ba*=b/a0，b齿轮宽度。5）行星齿轮个数np=3。（4）减速器齿轮的啮合参数见表-51。表-51减速器齿轮的啮合参数1）机座号123a0505356566063636771i012.5985.652.812.5985.652.812.5985.652.8m1.2522.251.52.252.51.52.53a50.553.556.556.56063636771X2.211.451.2831.9271.3471.42.3351.521.37t262652623302606260626032631263130263712264330X-0.567-0.2

7、42-0.3670.171-0.318-0.287-0.477-0.195-0.315t17301828172320441755180218021847121739机座号456a07175808085909095100i012.5985.652.812.5985.682.812.5985.652.8m1.7533233.52.53.54a7175.58079.585919194101X2.4311.361.3442.021.5531.141.591.5871.465t26552623260226042627252425232652122645X-0.411-0.18-0.3170.245-0.

8、1630-0.563-0.139-0.241t181617471756285915190320171219091823机座号789a0100106112112118125125132140i012.5985.652.812.5985.652.812.5985.652.8m2.544.534.55356a101107113113120126126134142X2.211.451.2831.9271.3471.42.3351.521.37t262652623302606260626032631263130263712264330X-0.567-0.242-0.3670.171-0.318-0.28

9、7-0.477-0.195-0.315t17301828172320441755180218021847121739机座号101112a0140150160160170180180190200i012.5985.652.812.5985.652.812.5985.652.8m3.566467578a142151160159170182182188202X2.4311.361.3442.021.5531.141.591.5871.465t26552623260226042627252425232652122645X-0.411-0.18-0.3170.245-0.1630-0.563-0.139

10、-0.241t1816174717562859151903201712190918231)a0公称中心距，mm；i0公称传动比；m模数，mm；a实际中心距，mm；X外啮合变位系数和；t外啮合啮合角；X内啮合变位系数和；t内啮合啮合角。（5）减速器的实际传动比与传动比的分配，见表52。表52减速器的实际传动比及传动比分配（a）单级传动比传动比代号1234567891011121314公称传动比i02.83.153.5544.555.66.37.1891011.212.5型号NGW11、71实际传动比i2.8292.8292.8182.8382.8332.8293.1943.1943.2073.1823.1883.1933.5363.5363.5773.5003.5173.5363.9603.9604.0434.0383.9233.9604.