Worm Gear Reducers (MRT) - Rotor UK

20. MRT 80AP / RT 80AP WORM GEAR UNIT WITH PLANETARY REDUCTION
Type Identification Diagram
Example: MRT 80AP with motor 112,5 FT-R 1 90-4p 1,5 kW
MRT 80AP worm-gear unit with planet, gear ratio 112,5, assembly version FT-R/1, 90-4p 1,5 kW electric motor width 115 mm flange
Table 20.1 Rated Data
Type
RT
MRT
80AP
47.6n 1
– 1400 [rpm] (4p-50 Hz) n 1
– 1100 [rpm] (6p-50 Hz) n 1
– 900 [rpm] (6p-50 Hz)
i n2 P 1
M 2max
η n 2
P 1
M 2max
η n 2
P 1
M 2max
η
[rpm] [kW] [Nm] [%] [rpm] [kW] [Nm] [%] [rpm] [kW] [Nm] [%] [%]
28.1 49.8 2.925 460 82.0 39.1 2.686 534 81.0 32.0 2.295 554 81.0 63.7
37.5 37.3 2.676 546 79.7 29.3 2.287 589 79.0 24.0 2.089 651 78.3 57.9
46.9 29.9 2.542 632 78.0 23.5 2.138 669 77.0 19.2 1.900 717 76.0 53.9
56.3 24.9 2.494 725 75.8 19.5 2.050 751 74.8 16.0 1.782 786 73.9 49.5
75.0 18.7 1.774 675 74.5 14.7 1.520 725 73.4 12.0 1.363 783 72.2 48.5
93.8 14.9 1.379 647 73.2 11.7 1.188 696 71.8 9.6 1.082 759 70.5 47.1
112.5 12.4 1.574 799 65.9 9.8 1.354 851 64.5 8.0 1.016 765 63.1 34.4
150.0 9.3 1.176 773 64.0 7.3 0.994 810 62.3 6.0 0.881 851 60.7 33.3
187.5 7.5 0.901 710 61.9 5.9 0.795 772 60.0 4.8 0.718 831 58.2 31.8
225.0 6.2 0.742 638 55.8 4.9 0.638 670 53.9 4.4 0.572 712 52.1 25.0
300.0 4.7 0.567 573 49.7 3.7 0.486 598 47.7 3.0 0.436 637 45.9 20.2
375.0 3.7 0.408 501 47.6 2.9 0.395 592 45.5 2.4 0.363 627 43.4 19.0
η s
Table 20.2 Performance Data
n 1
– 1400 [rpm]
Output Speed Gear ratio Torque Service factor
P 1
n 2
i i šnek
i planeta
M 2
S f
Motor
[kW] [rpm] [–] [–] [–] [Nm] [–]
0.18
4.7 300.0 80.0 3.75 183 3.1 63-4p
3.7 375.0 100.0 3.75 219 2.3 63-4p
6.2 225.0 60.0 3.75 214 3.0 71-4p
0.25
4.7 300.0 80.0 3.75 254 2.3 71-4p
3.7 375.0 100.0 3.75 304 1.6 71-4p
9.3 150.0 40.0 3.75 242 3.2 71-4p
7.5 187.5 50.0 3.75 293 2.4 71-4p
0.37
6.2 225.0 60.0 3.75 317 2.0 71-4p
4.7 300.0 80.0 3.75 376 1.5 71-4p
3.7 375.0 100.0 3.75 451 1.1 71-4p
prior to alterations
62