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      TORQUE MOTORS  (ROTARY SYNCHRONOUS MOTORS )

RM-36 series

torque rotary motors

Torque motors are designed as direct drives. Torque motors are frameless equipment motors. Thith motors consist of permanent-magnet rotor and laminated stator. Ruchservomotor JV designed and produced three series of torque motors: torque motors for instrument-industry (series RM-24, series RSMR-24) and for machine-building industry (series RM-36). The feature of synchronous motors series RM-24 is small dimensions for low dimensions(profile) position systems.

Motor description: Torque motor series RM-36 (synchronous rotary motor ) consist of a fixed primary coil unit (stator or primary part) and rotate magnet ring (rotor or secondary part). The stator is composed of a coil unit that is encapsulated in thermally conductive epoxy. The rotor consists of steel ring with glued permanent magnets. The smoothness of movement is achieved by sinusoidal commutation of currents in the coils.

Advantages:
Absence of mechanical transmissions, high precision, repeatability and resolution, no backlash,smooth movement, low profile, hollow shaft.

Applications:
machine tools; high torque rotary axis, motors for lift equipment , pick and place machines, indexing tables.

Glossary for torque motors:

* - optional (under additional request)

 

Overall and join dimensions of rotary synchronous motors, series RM-36

 
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Continuous torque at convection cooling MA,Nm
Continuous torque
at water cooling
MW,Nm

Peak
torque Mp,Nm

Max. velocity at Mp and 600 V DC [S/T]
Np ( rpm)
Max. velocity at Mw and 600 V DC [S/T]
Nw ( rpm)
Max. velocity at Ma and 600 V DC [S/T]
Na ( rpm)
number
of poles
par P
D,
mm
D1, mm
D2,
mm
D3, mm
D4,
mm
D5,
mm
H,
mm
h, mm
d1
d
 n
n1
RM-P-36-241-25-FS/FT 49K
66
107
178
200/400
278/520
325/589
19
                
   
RM-P-36-241-50-FS/FT 49K
131
215
356
84/187
128/251
156/289
    
RM-P-36-241-75-BS/BT 49K
187
307
535
150/294
209/385
240/431
    
RM-P-36-241-100-BS/BT 59K
249
409
713
105/214
151/284
176/320
    
RM-P-36-241-125-BS/BT  
312
511
891
77/165
116/223
138/253
    
RM-P-36-241-150-BS/BT 60K
374
613
1069
58/132
93/182
112/209
    
RM-P-36-321-25-FS/FT 68k
117
191
317
97 / 213
146/284
176/326
25
                    
RM-P-36-321-50-FS/FT 75k
233
381
633
35 / 95
64/134
82/158
    
RM-P-36-321-75-BS/BT 69k
332
545
950
75 /158
111/212
313/239
    
RM-P-36-321-100-BS/BT 69k
443
726
1266
50/113
79/155
95/177
   
RM-P-36-321-125-BS/BT  
554
908
1583
34/85
60/120
74/139
    
RM-P-36-321-150-AS/AT 72k
664
1089
1899
23/67
47/97
59/114
    
RM-P-36-401-25-FS/FT 74k
182
298
494
52/128
86/176
108/204
31
                    
RM-P-36-401-50-BS/BT 76k
346
567
989
74/153
108/204
126/230
    
RM-P-36-401-75-BS/BT 76k
519
851
1483
42/96
67/132
81/150
    
RM-P-36-401-100-BS/BT 75k
692
1134
1978
25/67
47/95
58/111
    
RM-P-36-401-125-BS/BT  
864
1418
2472
15 / 49
34/73
45/87
    
RM-P-36-401-150-AS/AT 77k
1037
1702
2966
29 / 70
48/97
60/112
    
RM-P-36-482-25-FS/FT 86k
262
429
712
28 /82
55/117
72/139
37
                
 
RM-P-36-482-50-BS/BT 86k
498
817
1423
46/102
71/139
85/158
    
RM-P-36-482-75-BS/BT 88k
747
1225
2135
24/62
43/89
54/103
    
RM-P-36-482-100-BS/BT 88k
996
1633
2847
13/42
29/64
39/75
    
RM-P-36-482-125-AS/AT
1245
2041
3559
23/57
10/81
49/93
    
RM-P-36-482-150-AS/AT 88k
1493
2450
4270
16/45
31/65
40/76
    
RM-P-36-562-25-FS/FT 107k
356
584
969
14/55
37/83
50/100
43
                  
RM-P-36-562-50-BS/BT 87k
677
1111
1937
30/71
50/99
61/114
    
RM-P-36-562-75-AS/AT 108k
1016
1667
2906
34/75
52/102
63/116
    
RM-P-36-562-100-AS/AT 107k
1355
2222
3874
21/53
37/74
45/85
    
RM-P-36-562-125-AS/AT  
1694
2778
4843
13/39
27/57
35/67
    
RM-P-36-562-150-AS/AT 108k
2032
3334
5812
8/30
21/46
28/55
    
RM-P-36-642-25-BS/BT 114k
442
726
1265
53/116
81/156
96/177
49
                
RM-P-36-642-50-AS/AT 117k
885
1451
2530
42/89
62/119
73/134
    
RM-P-36-642-75-AS/AT 118k
1372
2177
3795
23/55
38/77
47/88
    
RM-P-36-642-100-AS/AT 118k
1770
2903
5060
14/38
27/55
34/64
    
RM-P-36-642-125-AS/AT  
2212
3628
6325
8/28
19/42
26/50
    
RM-P-36-642-150-AS/AT 119k
2654
4354
7590
3/21
14/34
21/41
    

 

Note:
1. Peak current Ip is create peak torque Mp (2…3sec).
2. Value of a current from the amplifier at "star" connection of phases is same below, at "triangle" connection of phases is multiplied on 1,73.
3. Air gap between stator and rotor must be maintained according to the specified dimension tolerances..
4. Maximal temperature of rotor 70°C.
   The stator has built-in thermal sensor threshold type on temp 120 °C.
5. Resistance at Star connection =2RPH, at triangle connection = 0.65 RPH
6. Inductance at Star connection =2LPH, at triangle connection = 0.65 LPH
7. [S/T] - values at Star/Triangle connection of phases
8. All data tolerance ±10%.
9. Values are subject to change without previous notice.
10. Maximal supply voltage 600 VDS.

Order key for rotary synchronous motors

Datasheet RM36

 

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