普通V带传动的设计计算ppt课件.ppt

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1、普通V带传动的设计计算带传动1普通V带传动的设计计算一、失效形式和设计准则设计准则：失效形式：不打滑F≤Fmax不断裂σmax≤[σ]过载打滑疲劳断裂21.单根普通V带的基本额定功率P0特定条件1）载荷平稳2）包角3）特定带长Ld4）化学纤维绳芯结构普通V带传动的设计计算见下表7-43普通V带传动的设计计算带型小带轮基准直径d1/mm小带轮转速n1/（r/min）400730800980120014602800Z506371800.060.080.090.140.090.130.170.200.100.150.200.220

2、.120.180.230.260.140.220.270.300.160.250.310.360.260.410.500.56A75901001121250.270.390.470.560.670.420.630.770.931.110.450.680.831.001.190.520.790.971.181.400.600.931.141.391.660.681.071.321.621.931.001.642.052.512.98表7-4单根普通V带的基本额定功率P0（kW）4普通V带传动的设计计算带型小带轮基准直径d1/m

3、m小带轮转速n1/（r/min）400730800980120014602800B1251401601802000.841.051.321.591.851.341.692.162.613.051.441.822.322.813.301.672.132.723.303.861.932.473.173.854.502.202.833.644.415.152.963.854.895.766.43C2002242502803154002.412.993.624.325.147.063.804.785.826.998.3411.524

4、.075.126.237.528.9212.104.665.897.188.6510.2313.675.296.718.218.8111.5315.045.867.479.0610.7412.4815.515.016.086.566.134.16—表7-4单根普通V带的基本额定功率P0（kW）5实际条件与特定条件不同时，需对P0进行修正。2.单根普通V带的许用功率[P0]△P0---功率增量普通V带传动的设计计算见下表7-56第四节普通V带传动的设计计算表7-5单根普通V带额定功率增量△P0（kW）带型小带轮转速n1/（r/

5、min）传动比i1.00~1.011.02~1.041.05~1.081.09~1.121.13~1.181.19~1.241.25~1.341.35~1.511.52~1.99≥2Z4007308009801200146028000.000.000.000.000.000.000.000.000.000.000.000.000.000.010.000.000.000.000.010.010.020.000.000.000.010.010.010.020.000.000.010.010.010.010.030.000.000

6、.010.010.010.020.030.000.010.010.010.020.020.030.000.010.010.010.020.020.040.010.010.020.020.020.020.040.010.020.020.020.030.030.04A4007308009801200146028000.000.000.000.000.000.000.000.010.010.010.010.020.020.040.010.020.020.030.030.040.080.020.030.030.040.050.060

7、.110.020.040.040.050.070.080.150.030.050.050.060.080.090.190.030.060.060.070.100.110.230.040.070.080.080.110.130.260.040.080.090.100.130.150.300.050.090.100.110.150.170.347第四节普通V带传动的设计计算表7-5单根普通V带额定功率增量△P0（kW）带型小带轮转速n1/（r/min）传动比i1.00~1.011.02~1.041.05~1.081.09~1.1

8、21.13~1.181.19~1.241.25~1.341.35~1.511.52~1.99≥2B4007308009801200146028000.000.000.000.000.000.000.000.010.020.030.030.040.050.100.030.050.060.07