NGW行星齿轮减速器的参数.doc

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1、2．基本参数（1）公称中心距a及公称传动比i0。见表Ⅱ-47、表Ⅱ-48、表Ⅱ-49表Ⅱ-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)123456789101112NGW11NGW21NGW31NGW41NGW51NGW61NGW71NGW81NGW91NGW101NGW111NGW1215663718090100112125140160180200536067758595106118132150

2、170190505663718090100112125140160180表Ⅱ-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)456NGW42NGW52NGW6256/8063/9071/10053/8060/9067/10050/8056/9063/10050/7556/9063/10050/7156/8063/90 7891011

3、12NGW72NGW82NGW92NGW102NGW112NGW12280/11290/125100/140112/160125/180140/20075/11285/12595/140106/160118/180132/20071/11280/12590/140100/160112/180125/20071/11280/12590/140100/160112/180125/20071/10080/11290/125100/140112/160125/180表Ⅱ-49三级减速器机座号传动比代号1234567891011121314

4、1516171819202122公称传动比i01802002242502803153554004505005606307108009001000112012501400160018002000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

5、/75/11256/85/12563/95/14071/106/16080/118/18090/132/20050/71/11256/80/12563/90/14071/100/16080/112/18090/125/20050/71/10656/80/11863/90/13271/100/15080/112/17090/125/19050/71/10056/80/11263/90/12571/100/14080/112/16090/125/180(2)齿轮模数m，见表Ⅱ-50。表Ⅱ-50齿轮模数1）1.251.51.7522.2

6、52.533.544.556781)这里推荐太阳轮和行星轮材料为20CrMnTi，渗碳淬硬，齿面碍度为50～60HRC，内齿圈材料为40Cr,调质硬度为262～293HB（当传动比i≤4时，齿面采用氮化，硬度Hv≥360）。（3）齿形参数：1）齿形角α0=20°；2）齿顶高系数ha*=1.0；3）顶隙c=0.25mm。4)齿宽系数ba*=0.445～0.5,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Ⅱ-51。表Ⅱ-51减速器齿轮的啮合参数1）机座号123a05053565660636

7、36771i012.5～98～5.65～2.812.5～98～5.65～2.812.5～98～5.65～2.8m1.2522.251.52.252.51.52.53a50.553.556.556.56063636771XΣⅠ2.211.451.2831.9271.3471.42.3351.521.37αtⅠ26°26′5″26°23′30″26°06′26°06′26°03′26°31′26°31′30″26°37′12″26°43′30″XΣⅡ-0.567-0.242-0.3670.171-0.318-0.287-0.477-0

8、.195-0.315αtⅡ17°30′18°28′17°23′20°44′17°55′18°02′18°02′18°47′12″17°39′机座号456a07175808085909095100i012.5～98～5.65～2.812.5～98～5