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1、基本参数(1)公称中心距a及公称传动比i0见表口-47、表口-48、表口-49表口-47单级减速器传动比代号1234567891011121314机座号公称传动比i02.83.153.5544.555.66.37.1891011.212.型号公称中心距a(mm)1NGW115653502NGW216360563NGW317167634NGW418075715NGW519085806NGW6110095907NGW711121061008NGW811251181129NGW9114013212510NGW10116015014011NGW11118017016012NGW121200190180
2、表口-48两级减速器传动比代号1234567891011121314151617181920212.机座号公称传动比i01416182022.4252831.535.5404550566371809010011212514016型号公称中心距a(mm)4NGW4256/8053/8050/8050/7550/715NGW5263/9060/9056/9056/9056/806NGW6271/10067/10063/10063/10063/907NGW7280/11275/11271/11271/11271/1008NGW8290/12585/12580/12580/12580/1129NGW9
3、2100/14095/14090/14090/14090/12510NGW102112/160106/160100/160100/160100/14011NGW112125/180118/180112/180112/180112/16012NGW122140/200132/200125/200125/200125/180表口-49三级减速器传动比代号123456789101112131415161718192021225283135404563718090机座号公称传动比i01802002245005601000112012501400160018002(0055000000型号公称中心距a(
4、mm)7NGW7353/80/11250/80/11250/75/11250/71/11250/71/10650/71/1008NGW8360/90/12556/90/12556/85/12556/80/12556/80/11856/80/1129NGW9367/100/14063/100/14063/95/14063/90/14063/90/13263/90/12510NGW10375/112/16071/112/16071/106/16071/100/16071/100/15071/100/14011NGW11385/125/18080/125/18080/118/18080/112/18
5、080/112/17080/112/16012NGW12395/140/20090/140/20090/132/20090/125/20090/125/19090/125/180(2)齿轮模数m,见表口-50。表口-50齿轮模数1）1.251.51.7522.252.533.544.55671）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i360）o（3）齿形参数：1）齿形角a0=20;2）齿顶高系数ha*=1.0;a3 ）顶隙 c=0.25mm。4）齿宽系数ba*=0.4450.5,
6、 ba*=b/a0, b齿轮宽度。5）行星齿轮个数n p=3o（4 ）减速器齿轮的啮合参数见表n-51o表口-51减速器齿轮的啮合参数1）机座号123a0505356566063636771i012.5-98-5.65-2.812.5-98-5.65-2.812.5-98-5.65-2.8机座号101112ao140150160160170180180190200012.5-98-5.65-2.812.5-98-5.65-2.812.5-98-5.65-2.8m3.566467578a142151160159170182182188202XZI2.4311.361.3442.021.5531.
7、141.591.5871.465Atl26552623*2602f2604262725242523*2652122645Xzn-0.411-0.18-0.3170.245-0.1630-0.563-0.139-0.241atn1816174717562859151903201712，190918231)ao公称中心距，mmfi0公称传动比；m莫数，mm ;a实际中心距,mm ;xZI外啮合变位系数和;tI外啮合啮合角；Xzn内啮合变位系数和；Atn内啮合啮合角。(5 )减速器的实际传动比与传动比的分配，见表口-52。表口一52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12345
8、678910111213公称传动比i02.83.153.5544.555.66.37.1891011.2NGW11、712.8293.1943.5363.9604.54.955.5266.17678.0778.8339.93811.36NGW21、812.8293.1943.5363.9604.54.955.5266.17678.0779.1989.80011.31型号NGW31、91ri-i g i-t- -h Lly :2.8183.2073.5774.0434.4294.8955.5266.17678.0779.1669.70611NGW41、101头际传动比12.8383.1823.5
9、004.0384.56555.56.1887.0718.2508.8339.93811.36NGW51、1112.8333.1883.5173.9234.4345.15.556.1676.9377.9239.1769.7511.14NGW 61、1212.8293.1933.5363.9604.54.955.5266.17678.077910.2911.08(b)两级传动比传动比代号12345678910公称传动比i01416182022.4252831.535.540传动比分配i01xi022.8x53.15x53.55x54x54.5x55x55.6x56.3x57.1x58x5NGW42
10、、10214.1415.9917.6919.8022.5024.7527.6330.883540.38NGW52、112实际传动比i14.4316.2918.0320.1222.9525.2528.1831.5035.7041.19型号NGW62、12213.9515.8717.7120.0121.9224.2327.3630.5734.6539.98NGW7214.0515.7517.3319.9922.5824.7527.2330.633510.84NGW8214.0215.7817.4119.4221.9525.2527.4730.5234.3439.254传动比代号1213141516171819202122公称传动比i0
