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Product details：
出口产品 >> Electric and Machinery >> Gear Reducers >> worm gear reducers 

Product name ：Aluminum Frame Worm Gear
Product descriptions:
Aluminum Frame Worm Gear

NMRV series worm-gear speed reducer

Brief introduction to worm-gear speed reducer

NMRV series worm-gear speed reducer is a new-generation of products developed
by our company on the basis of perfecting series products with a compromise of
advanced technology both at home and abroad, its main features are as follows:
1.       Made of high-quality aluminum alloy, light in weight and non-rusting.
2.       Higher output torque.                                                    
3.       Smooth running and low in noise.
4.       High heat radiating efficiency.
5.       Good-looking in appearance, durable service life and small in volume.               
6.       Suitable for omni bearing installation.
 
 
 
Speed reducer
 
 
 
 
                                   
 Reducer                                          Stepless reducer
 

Model and mark

NMRV   063-40    E  F1   AZ   B3
                                            Installation position code
Two-way shaft output, “GZ” mark means
 one-way shaft output, and no mark means
 hole output
Flange output, no mark means flangeless
 output
Double extension worm shaft, no make
 means single extension worm shaft
Speed ratio of worm-gear speed reducer
Center-to-centre spacing of worm-gear
 speed reducer
Code of worm-gear speed reducer
NMRV mark means Geared Motor. NRV
 mark means Gear Reducer

Performance parameter for worm-gear speed reducer

 
Model
I
n2r/min
M2 N.M
0.12KW
4P
n1=1400
r/min
NMRV050
60
24
29
NMRV040
80
18
34.1
NMRV050
80
18
34.7
NMRV050
100
14
40.1
 
 
 
 
 
 
0.18kw
4P
n1=1400
r/min
NMRV030
7.5
186
8
NMRV040
7.5
186
8
NMRV030
10
140
10
NMRV040
10
140
10
NMRV030
15
94
14
NMRV040
15
94
15
NMRV030
20
70
18
NMRV040
20
70
19
NMRV030
25
56
20
NMRV040
25
56
23
NMRV040
30
47
26
NMRV040
40
35
32
NMRV050
40
35
32
NMRV040
50
28
38
NMRV050
50
28
38
NMRV050
60
24
34
NMRV050
80
18
53
NMRV050
100
14
55
 
 
 
 
 
 
0.25KW
4P
n1=1400
r/min
NMRV040
7.5
186
11
NMRV050
7.5
186
11
NMRV040
10
140
14
NMRV050
10
140
14
NMRV040
15
94
20
NMRV050
15
94
21
NMRV040
20
70
26
NMRV050
20
70
26
NMRV040
25
56
31
NMRV050
25
56
32
NMRV040
30
47
36
NMRV050
30
47
36
NMRV040
40
35
44
NMRV050
40
35
45
NMRV050
50
28
53
NMRV050
60
24
60
NMRV050
80
18
65
NMRV063
80
18
77
NMRV050
100
14
55

 

 
Model
I
n2r/min
M2 N.M
 
 
 
 
 
 
 
 
0.06KW
4P
n1=1400
r/min
NMRV025
7.5
186
2.6
NMRV030
7.5
186
2.6
NMRV025
10
140
3.4
NMRV030
10
140
3.4
NMRV025
15
94
4.9
NMRV030
15
94
4.7
NMRV025
20
70
6.1
NMRV030
20
70
6
NMRV030
25
56
7
NMRV025
30
47
8.2
NMRV030
30
47
8
NMRV025
40
35
10.2
NMRV030
40
35
9.7
NMRV025
50
28
11
NMRV030
50
28
11.3
NMRV040
50
28
12.7
NMRV025
60
24
11
NMRV030
60
24
12.5
NMRV040
60
24
14.2
NMRV030
80
18
12.5
NMRV040
80
18
17
NMRV040
100
14
19.2
 
 
 
 
 
 
 
 
0.09kw
4p
n1=1400
r/min
NMRV025
7.5
186
3.9
NMRV030
7.5
186
3.9
NMRV025
10
140
5.1
NMRV030
10
140
5
NMRV025
15
94
7.3
NMRV030
15
94
7.1
NMRV025
20
70
9.2
NMRV030
20
70
9
NMRV030
25
56
10.4
NMRV025
30
47
12.3
NMRV025
30
47
12
NMRV025
40
35
13
NMRV030
40
35
14.5
NMRV030
50
28
16.9
NMRV040
50
28
19
NMRV030
60
24
16.9
NMRV040
60
24
21.4
NMRV040
80
18
25.5
NMRV040
100
14
28.9
 
 
 
 
 
 
0.12KW
4P
n1=1400
r/min
NMRV030
7.5
186
5.21
NMRV040
7.5
186
5.3
NMRV030
10
140
6.7
NMRV040
10
140
7
NMRV030
15
94
9.5
NMRV040
15
94
10.1
NMRV030
20
70
12
NMRV040
20
70
12.8
NMRV030
25
56
13.9
NMRV040
25
56
15.3
NMRV030
30
47
16
NMRV040
30
47
17.2
NMRV030
40
35
17
NMRV040
40
35
21.3
NMRV050
40
35
21.9
NMRV040
50
28
25.4
NMRV050
50
28
25.8
NMRV040
60
24
28.5

 
 

 

 

Performance parameter for worm-gear speed reducer

 
NMRV063
100
14
85
 
 
 
 
 
0.37KW
4P
n1=1400
r/min
NMRV040
7.5
186
16
NMRV050
7.5
186
16
NMRV040
10
140
21
NMRV050
10
140
21
NMRV040
15
94
30
NMRV050
15
94
31
NMRV040
20
70
39
NMRV050
20
70
39
NMRV050
25
56
47
NMRV050
30
47
54
NMRV050
40
35
66
NMRV063
40
35
70
NMRV050
50
28
73
NMRV063
50
28
83
NMRV063
60
24
95
NMRV063
80
18
114
NMRV063
100
14
118

 
Model
I
n2r/min
M2 N.M
 
 
 
 
 
 
0.55KW
4P
n1=1400
r/min
NMRV040
7.5
186
24.5
NMRV050
7.5
186
25
NMRV040
10
140
32
NMRV050
10
140
32
NMRV050
15
94
46
NMRV063
15
94
46
NMRV050
20
70
59
NMRV063
20
70
60
NMRV063
25
56
72
NMRV063
30
47
80
NMRV063
40
35
104
NMRV075
40
35
108
NMRV063
50
28
123
NMRV075
50
28
129
NMRV075
60
24
146
NMRV075
80
18
180
NMRV075
100
14
180
0.75KW
4P
n1=1400
r/min
NMRV050
7.5
186
34
NMRV063
7.5
186
33
NMRV050
10
140
44
NMRV063
10
140
44
NMRV050
15
94
63
NMRV063
15
94
63

 

 

 
Model
I
n2r/min
M2 N.M
 
1.5KW
4P
n1=1400
r/min
NMRV090
50
28
369
NMRV110
50
28
375
NMRV110
60
24
442
NMRV110
80
18
490
NMRV130
80
18
547
NMRV130
100
14
652
 
 
 
 
2.2KW
4P
n1=1400
r/min
NMRV090
7.5
186
101
NMRV110
7.5
186
101
NMRV090
10
140
133
NMRV110
10
140
133
NMRV090
15
94
193
NMRV110
15
94
193
NMRV090
20
70
251
NMRV110
20
70
256
NMRV090
25
56
307
NMRV110
25
56
316
NMRV090
30
47
346
NMRV110
30
47
355
NMRV110
40
35
462
NMRV110
50
28
550
NMRV130
50
28
567
NMRV130
60
24
660
NMRV130
80
18
803

 

 

 

 

 

 

 

 

 

 

 

 
 
0.75KW
4P
n1=1400
r/min
NMRV063
20
70
82
NMRV063
25
56
99
NMRV063
30
47
109
NMRV075
30
47
116
NMRV063
40
35
143
NMRV075
40
35
147
NMRV075
50
28
176
NMRV090
50
28
184
NMRV075
60
24
200
NMRV090
60
24
212
NMRV090
80
18
257
NMRV090
100
14
270
 
 
 
 
 
 
1.1KW
4P
n1=1400
r/min
NMRV063
7.5
186
49
NMRV075
7.5
186
49
NMRV063
10
140
65
NMRV075
10
140
66
NMRV063
15
94
93
NMRV075
15
94
95
NMRV063
20
70
121
NMRV075
20
70
122
NMRV075
25
56
149
NMRV075
30
47
170
NMRV075
40
35
216
NMRV090
40
35
225
NMRV090
50
28
271
NMRV090
60
24
311
NMRV110
60
24
324
NMRV110
80
18
410
NMRV110
100
14
460
1.5KW
4P
n1=1400
r/min
NMRV075
7.5
186
67
NMRV075
10
140
90
NMRV063
15
94
130
NMRV075
20
70
167
NMRV075
25
56
200
NMRV090
25
56
209
NMRV075
30
47
230
NMRV090
30
47
236
NMRV090
40
35
306

 

 
 
 
 
 
 
 

Torque Arm

<, TD vAlign=top width=43>
050
<, /TD>
 
K1
G
KG
KH
R
025
70
14
17.5
8
15
030
85
14
24
8
15
040
100
14
31.5
10
18
100
14
38.5
10
18
063
150
14
49
10
18
075
200
25
47.5
20
30
090
200
25
57.5
20
30
110
250
30
62
25
35
130
250
30
69
25
35

Double extension worm shaft

 
G2
d(j6)
B
f
b1
t1
030
43
9
20
-
3
10.2
040
53
11
23
-
4
12.5
050
64
14
30
M6
5
16
063
75
19
40
M6
6
21.5
075
90
24
50
M8
8
27
090
108
24
50
M8
8
27
110
135
28
60
M10
8
31
130
155
30
80
M10
8
33

 
 
 
 
 
 
 
 
 
3.0KW
4P
n1=1400
r/min
NMRV110
7.5
186
138
NMRV110
10
140
182
NMRV110
15
94
263
NMRV110
20
70
350
NMRV110
25
56
431
NMRV110
30
47
484
NMRV110
40
35
631
NMRV130
40
35
642
NMRV130
50
28
773
NMRV130
60
24
900
 
 
 
4.0KW
4P
n1=1400
r/min
NMRV110
7.5
186
184
NMRV130
7.5
186
186
NMRV110
10
140
243
NMRV130
10
140
242
NMRV110
15
94
352
NMRV130
15
94
357
NMRV110
20
70
464
NMRV130
20
70
466
NMRV110
25
56
573
NMRV130
25
56
572
NMRV110
30
47
646
NMRV130
30
47
655
NMRV130
40
35
857
NMRV130
50
28
980
 
 
5.5KW
4P
n1=1400
r/min
NMRV110
7.5
186
253
NMRV130
7.5
186
256
NMRV110
10
140
334
NMRV130
10
140
334
NMRV110
15
94
484
NMRV130
15
94
490
NMRV130
20
70
645
NMRV130
25
56
788
NMRV130
30
47
900
 
7.5KW
4P
n1=1400
r/min
NMRV110
7.5
186
345
NMRV130
7.5
186
349
NMRV110
10
140
455
NMRV130
10
140
455
NMRV130
15
94
667
NMRV130
20
70
880
NMRV130
25
56
1074
 
 
 

Sizes of single extension & Double extension

 
d h6
B
B1
G1
L
L1
f
b1
t1
025
11
23
25.5
50
81
101
 
4
12.5
030
14
30
32.5
63
102
128
M6
5
16
040
18
40
43
78
128
164
M6
6
20.5
050
25
50
53.5
92
153
199
M10
8
28
063
25
50
53.5
112
173
219
M10
8
28
075
28
60
63.5
120
192
247
M10
8
31
090
35
80
84.5
140
234
309
M12
10
38
110
42
80
84.5
155
249
324
M16
12
45
130
45
80
85
170
265
340
M16
14
48.5

 

Operation & maintenance

1.       When Worm-gear speed reducer starts to work up to 400 hours, its lubrication oil should be replaced, after that, the cyele of oil replacement is fixed about 4,000 hours. It is full filled with WA4600 lubrication oil.
2.       Lubricating oil should be kept enough in the casing and checked at a fixed time.

Q.ty of oil in litres
NMRV
025
030
040
050
063
075
090
110
130
B3
0.02
0.04
0.08
0.15
0.3
0.55
1
3
4.5
B8
2.2
3.3
B6 B7
2.5
3.5
V5 V6
3
4.5

 
 
 
 
 
 
 
 
 
 
Positon diagram for output flange                     Position diagram for one-way output shaft

Outline & installation size for NMRV025 worm-gear speed reducer

 
 

Outline & installation size for NMRV series worm-gear speed reducer

 

 
A
B
C
D(H7)
D1(J6)
E
F
G
G1
G2
H
I
L
M
N(h8)
N1
O
P
Q
R
030
54
20
80
14
9
97
32
55
63
51
40
30
56
65
55
29
6.5
75
44
57
040
70
23
100
18(19)
11
121.5
43
70
78
60
50
40
71
75
60
36.5
6.5
87
55
71.5
050
80
30
120
25(24)
14
144
49
80
92
74
60
50
85
85
70
43.5
8.5
100
64
84
063
100
40
144
25(28)
19
174
67
95
112
90
72
63
103
95
80
53
8.5
110
80
102
075
120
50
172
28(35)
24
205
72
112.5
120
105
86
75
112
115
95
57
11
140
93
119
090
140
50
208
35(38)
24
238
74
129.5
140
125
103
90
130
130
110
67
13
160
102
135
110
170
60
252.5
42
28
295
-
160
155
142
127.5
110
144
165
130
74
14
200
125
167.5
130
200
60
292.5
45
30
335
-
180
170
162
147.5
130
155
215
180
81
16
250
140
187.5
 
S
T
V
K
KA
KB
KC
KE
a
a1
KM
KN(H8)
F
FB
FL
F
FB
FL
F
FB
FL
F
FB
FL
F
FB
FL
030
5.5
21
27
44
54.5
-
-
6
-
-
4
-
-
M6*11(n.4)
0°
45°
68
-
-
50
-
-
040
6.5
26
35
60
67
76.5
97
7
9
7
4
5
4
M6*6(n.4)
45°
45°
87
115
87
60
95
60
050
7
30
40
70
90
87.5
120
9
10
9
5
5
5
M8*10(n.4)
45°
45°
90
130
90
70
110
70
063
8
36
50
85
82
99
112
10
11
10
6
5
6
M8*14(n.8)
45°
45°
150
165
150
115
130
115
075
10
40
60
90
111
-
-
13
-
-
6
-
-
M8*14(n.8)
45°
45°
165
-
-
130
-
-
090
11
45
70
100
111
-
-
13
-
-
6
-
-
M10*18(n.8)
45°
45°
175
-
-
152
-
-
110
14
50
85
115
131
-
-
15
-
-
6
-
-
M10*18(n.8)
45°
45°
230
-
-
170
-
-
130
15
60
100
120
140
-
-
15
-
-
6
-
-
M12*21(n.8)
45°
22.5°
255
-
-
180
-
-

 

 

 

 

 

 

 

 

 
KO
KP
KQ
b
b1
f
t
t1
kg
F
FB
FL
F
FB
FL
F
FB
FL
 
030
6.5(n.4)
-
-
80
-
-
70
-
-
5
3
-
16.3
10.2
1.2
040
9(n.4)
9.5(n.4)
9(n.4)
110
140
110
95
-
95
6(6)
4
-
20.8(21.8)
12.5
2.3
050
11(n.4)
9.5(n.4)
11(n.4)
125
160
125
110
-
110
8(8)
5
M6
28.3(27.3)
16.0
3.5
063
11(n.4)
11(n.4)
11(n.4)
180
200
180
142
-
142
8(8)
6
M6
28.3(31.3)
21.5
6.2
075
14(n.4)
-
-
200
-
-
170
-
-
8(10)
8
M8
31.3(38.3)
27.0
9
090
14(n.4)
-
-
210
-
-
200
-
-
10(10)
8
M8
38.3(41.3)
27.0
13
110
14(n.4)
-
-
280
-
-
260
-
-
12
8
M10
45.3
31.0
35
13
16(n.4)
-
-
320
-
-
290
-
-
14
8
M10
48.8
33.0
48

TNRV063(cast iron)
                                                            RV110 and RV130 speed reducer（cast iron）
 

 

Speed reducer

 

Motor mounting facility

 
 
 
                                                         
               
 
                                                                                                                        
 
 

 
PAM
IEC
N
M
P
7.5
10
15
20
25
30
40
50
60
80
100
D
NMRV025
56B14
50
65
80
9
9
9
9
-
9
9
9
9
-
-
NMRV030
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
NMRV040
71B5
110
130
160
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
NMRV050
80B5
130
165
200
19
19
19
19
19
19
-
-
-
-
-
80B14
80
100
120
71B5
110
130
160
14
14
14
14
14
14
14
14
14
14
-
71B14
70
85
105
63B5
80
115
140
-
-
-
-
-
-
11
11
11
11
11
NMRV063
90B5
130
165
200
24
24
24
24
24
24
-
-
-
-
-
90B14
95
115
140
80B5
130
165
200
19
19
19
19
19
19
19
19
19
-
-
80B14
80
100
120
71B5
110
130
160
-
-
-
-
-
-
14
14
14
14
14
71B14
70
85
105
NMRV075
100/112B5
180
215
250
28
28
28
-
-
-
-
-
-
-
-
100/112B14
110
130
160
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
80B14
80
100
120
71B5
110
130
60
-
-
-
-
-
-
-
14
14
14
14
NMRV090
100/112B5
180
215
250
28
28
28
28
28
28
-
-
-
-
-
100/112B14
110
130
60
90B5
130
165
200
24
24
24
24
24
24
24
24
24
-
-
90B14
95
115
140
80B5
130
165
200
-
-
-
-
-
-
19
19
19
19
19
80B14
80
100
120
NMRV110
132B5
230
265
300
38
38
38
38
-
-
-
-
-
-
-
100/112B5
180
215
250
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
NMRV130
132B5
230
265
300
38
38
38
38
38
38
38
-
-
-
-
100/112B5
180
215
250
-
-
-
-
28
28
28
28
28
28
28
90B5
130
165
200
-
-
-
-
-
-
-
-
-
24
24

 




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