JBT 7346-1994 机械无级变速器试验方法

J19JB/T7346941994-07-181995-07-01112GB32411/11/3GB3785ZBY110ZBY11133.13.244.13%4.21%ZBY111ZBY1101504.344.44.4.1GB37851994-07-18JB/T7346941995-07-01JB/T73469424.4.20.5dB4.4.32m4.4.41.0m4.4.5514250mm1ra.90mmr0.4m1R0.31m5b.90mm1mr1m1R0.97m4.4.652d1m124.4.7A5dB4.4.810dB11LPA1dB66~89~1010K1.00.50LPA=10lg[∑=−NiKLiPAiN1)(1.0101]1LPAAdB(A)LPaiiAdB(A)KiiNA5dB2LPAJB/T7346943LPA=[∑=−NiiPAiKLN1)(1]24.4.9A12AA3LWA=LPA+10lg(0SS)3LWAAdB(A)Sm2S0lm24.4.1010s4.4.114.54.5.14.5.25%4.5.34.5.44.5.510s4.5.655.1225.25GB3241JB/T734694423~51h4~625%50%75%4h4.44.555~1050%75%100%1h3~5120%1min120%~70%5.35.3.1JB/T73469455.3.2a.45Ti=KTKii∑=14ni=KnKii∑=15TiNmTiNmKnir/minnir/minb.67To=mTmii∑=16no=mnmii∑=17ToNmnor/minm46TP5.3.38=LiTTη12100%8T2NmT1T2NmiLL=rLcL;rLcL5.3.49=1-201102nnnn100%91n2nr/min10n20nr/minJB/T73469465.3.510t=t-t010ttt05.3.611Rb=min2max2nn11Rbmax2nmin2nr/min6a.b.c.d.e.f.g.JB/T734694JB/T734694*2100044*88012301/165/812,0001995419954000015008.0094094