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Worm Gear Reducer, NMRV POWER

Service Factor for the power transmission solution:
The service factor of the NMRV POWER worm gear reducers depends on the operating conditions the gearbox is subjected to. The following parameters should be taken into account to select the right service factor.
-type of load of the operating machine
-length of daily operating time
-start-up frequency
Type of load: A-uniform, fa≤0.3
B-moderate shocks, fa≤3
C-heavy shocks, fa≤10
fa=Jex/Jm
-Jex(Kg/㎡) moment of the external inertia reduced at the drive shaft
-Jm(Kg/㎡) moment of inertia of motor


Different series of the NMRV POWER worm gear reducers
NMRV PAM N M P D
IEC 7.5 10 15 20 25 30 40 50 60 80 100
025 56B14 50 65 80 9 9 9 9 – 9 9 9 9 – –
030 63B5 95 115 140 11 11 11 11 11 11 11 11 – – –
63B14 60 75 90
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 –
56B14 50 65 80
040 71B5 110 130 160 14 14 14 14 14 14 14 14 – – –
71B14 70 85 105
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90
56B5 80 100 120 – – – – – – – 9 9 9 9
050 80B5 130 165 200 19 19 19 19 19 19 19 – – – –
80B14 80 100 120
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14
71B14 70 85 105
63B5 95 115 140 – – – – – 11 11 11 11 11 11
063 90B5 130 165 200 24 24 24 24 24 24 24 – – – –
90B14 95 115 140
80B5 130 165 200 19 19 19 19 19 19 19 19 19 19 19
80B14 80 100 120
71B5 110 130 160 – – – – – 14 14 14 14 14 14
71B14 70 85 105
075 100/112B5 180 215 250 28 28 28 – – – – – – – –
100/112B14 110 130 160
90B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
90B14 95 115 140
80B5 130 165 200 – – – 19 19 19 19 19 19 19 19
80B14 80 100 120
71B5 110 130 160 – – – – – – 14 14 14 14 14
090 100/112B5 180 215 250 28 28 28 28 28 28 28 – – – –
100/112B14 110 130 160
90B5 130 165 200 24 24 24 24 24 24 24 24 24 24 24
90B14 95 115 140
80B5 130 165 200 – – – – – 19 19 19 19 19 19
80B14 80 100 120
110 132B5 230 265 300 38 38 38 38 – – – – – – –
100/112B5 180 215 250 28 28 28 28 28 28 28 28 28 28 28
90B5 130 165 200 – – – – 24 24 24 24 24 24 24
80B5 130 165 200 – – – – – – – – 19 19 19
130 132B5 230 265 300 38 38 38 38 38 38 38 – – – –
100/112B5 180 215 250 28 28 28 28 28 28 28 28 28 28 28
90B5 130 165 200 – – – – – – – 24 24 24 24
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