-
E-mail
demai@demai.org
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Phone
18653450543
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Address
495 Dongfeng East Road, Dezhou Development Zone
Product Categories
Dezhou Demai Transmission Machinery Co., Ltd
NMRV worm gear reducer
NegotiableUpdate on 07/05
- Model
- Nature of the Manufacturer
- Producers
- Product Category
- Place of Origin
Overview
The RV series worm gear reducer series is designed and manufactured according to the Q/QS1-1999 technical quality standards. The RV series worm gear reducer, based on the parameters of the cylindrical worm wheel in accordance with GB10085-88, draws on advanced technology in the industry and has a unique "square box" shape structure. It is made of high-quality aluminum alloy die-casting and has a beautiful box shape
Product Details
RV seriesworm gear reducerThe series is designed and manufactured according to the Q/QS1-1999 technical quality standards. The RV series worm gear reducer, based on the parameters of the cylindrical worm wheel in accordance with the standard GB10085-88, draws on advanced technology in the industry and has a unique "square box" shape structure. It is made of high-quality aluminum alloy die-casting and has a beautiful box shape. It has the following advantages and performance: 1. compact structure, lightweight volume, small and efficient; 2. Good heat exchange performance and fast heat dissipation; 3. Easy to install, flexible and lightweight, superior performance, and easy to maintain and repair; 4. High rotational speed ratio, high torque, and high ability to withstand overload; 5. Smooth operation, low noise, and long-lasting durability; 6. Strong practicality, high safety and reliability. 1. Model and center distance
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model
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NRV gearboxNM with input shaftRV gearboxWith input flange type (used in conjunction with motor)
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||||||||
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center distance
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25
|
30
|
40
|
50
|
63
|
75
|
90
|
110
|
130
|
2. Type:
Aluminum alloy reducerThe input types are divided into four types: hole input, shaft input, shaft input with extension, and flange input with extension. The output forms are divided into hole output, one-way shaft output, two-way shaft output, and flange output. F... (1-2) with output flange. VS with input shaft in the same direction. AS is equipped with a unidirectional output shaft. AB is equipped with bidirectional output shafts (see figure below).
3. The single speed ratios of the gearbox are 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, and 100
3. The single speed ratios of the gearbox are 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, and 100
4. Marking examples
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centre
the heart
Distance from a
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Installation specifications of gearbox
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Reduction ratio i
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|||||||||||||
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Flange model
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N M P
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7.5
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10
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15
|
20
|
25
|
30
|
40
|
50
|
60
|
80
|
100
|
|||
|
Axis core size D
|
|||||||||||||||
|
25
|
56B14
|
50
|
65
|
80
|
9
|
9
|
9
|
9
|
|
9
|
9
|
9
|
|
|
|
|
30
|
63B5
|
95
|
115
|
140
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
|
|
|
|
63B14
|
60
|
75
|
90
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
|
|
|
|
|
56B14
|
50
|
65
|
80
|
|
|
|
|
|
|
|
|
9
|
9
|
|
|
|
40
|
74B5
|
110
|
130
|
160
|
14
|
14
|
14
|
14
|
14
|
14
|
14
|
14
|
|
|
|
|
63B5
|
95
|
115
|
140
|
|
|
|
|
|
|
|
|
11
|
11
|
11
|
|
|
50
|
80B5
|
130
|
165
|
200
|
19
|
19
|
19
|
19
|
19
|
19
|
19
|
|
|
|
|
|
71B5
|
110
|
130
|
160
|
|
|
|
|
|
|
|
14
|
14
|
14
|
|
|
|
63B5
|
95
|
115
|
140
|
|
|
|
|
|
|
|
|
|
|
11
|
|
|
63
|
90B35
|
130
|
165
|
200
|
24
|
24
|
24
|
24
|
24
|
24
|
24
|
|
|
|
|
|
80B5
|
130
|
165
|
200
|
|
|
|
|
|
|
|
19
|
19
|
|
|
|
|
71B5
|
110
|
130
|
160
|
|
|
|
|
|
|
|
|
|
14
|
14
|
|
|
75
|
100/112B35
|
180
|
215
|
250
|
28
|
28
|
28
|
28
|
|
28
|
|
|
|
|
|
|
90B35
|
130
|
165
|
200
|
|
|
|
|
24
|
|
24
|
24
|
24
|
|
|
|
|
80B5
|
130
|
165
|
200
|
|
|
|
|
|
|
|
|
|
19
|
19
|
|
|
90
|
100/112B35
|
180
|
215
|
250
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
|
|
|
|
90B35
|
130
|
165
|
200
|
|
|
|
|
|
|
|
|
24
|
24
|
|
|
|
80B5
|
130
|
165
|
200
|
|
|
|
|
|
|
|
|
|
|
19
|
|
|
110
|
132B35
|
230
|
265
|
300
|
38
|
38
|
38
|
38
|
38
|
|
|
|
|
|
|
|
100/112B35
|
180
|
215
|
250
|
|
|
|
|
|
28
|
28
|
28
|
28
|
|
|
|
|
90B35
|
130
|
165
|
200
|
|
|
|
|
|
|
|
|
|
24
|
24
|
|
|
130
|
132B35
|
230
|
265
|
300
|
38
|
38
|
38
|
38
|
38
|
38
|
38
|
38
|
|
|
|
|
100/112B35
|
180
|
215
|
250
|
|
|
|
|
|
|
|
|
28
|
28
|
28
|
|
|
Center distance a
|
Installation parameter table
|
||||||||||||||||||
|
A
|
C
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D
|
E
|
F
|
G
|
H
|
I
|
L
|
M
|
N
|
O
|
P
|
Q
|
R
|
S
|
T
|
V
|
K
|
|
|
30
|
54
|
80
|
14
|
97
|
32
|
63
|
40
|
30
|
56
|
65
|
55
|
6.5
|
75
|
44
|
57
|
5.5
|
20
|
27
|
44
|
|
40
|
70
|
100
|
18
|
121
|
43
|
70
|
50
|
40
|
71
|
75
|
60
|
7
|
87
|
55
|
71
|
6.5
|
23
|
35
|
60
|
|
50
|
80
|
120
|
25
|
144
|
49
|
80
|
60
|
50
|
85
|
85
|
70
|
8.5
|
100
|
64
|
84
|
7
|
30
|
40
|
70
|
|
63
|
100
|
144
|
25
|
174
|
67
|
95
|
72
|
63
|
103
|
95
|
80
|
8.5
|
110
|
80
|
102
|
8
|
40
|
50
|
85
|
|
75
|
120
|
174
|
28
|
205
|
72
|
112.5
|
86
|
75
|
113
|
115
|
95
|
11
|
140
|
93
|
119
|
10
|
50
|
60
|
90
|
|
90
|
140
|
208
|
35
|
238
|
73
|
130
|
103
|
90
|
130
|
130
|
110
|
13
|
160
|
102
|
135
|
11
|
50
|
70
|
100
|
|
110
|
170
|
252.5
|
42
|
294
|
|
160
|
127.5
|
110
|
142
|
165
|
130
|
14
|
200
|
125
|
167.5
|
15
|
60
|
85
|
115
|
|
130
|
200
|
292.5
|
45
|
334
|
|
180
|
147.5
|
130
|
154
|
215
|
180
|
16
|
250
|
140
|
187.5
|
15
|
80
|
100
|
120
|
|
center
Distance from a
|
Installation parameter table
|
|||||||||||||||
|
G1
|
G2
|
N1
|
KA
|
KB
|
KC
|
KE
|
α
|
KM
|
KN
|
KO
|
KP
|
KQ
|
d
|
b
|
t1
|
|
|
30
|
63
|
50
|
29
|
54.5
|
6
|
4
|
M6×11(n.4)
|
0°
|
68
|
50
|
6.5(4/90°)
|
80
|
70
|
9
|
5
|
16.3
|
|
40
|
78
|
60
|
36.5
|
67
|
7
|
4
|
M6×8(n.4)
|
45°
|
87
|
60
|
9(4/90°)
|
110
|
95
|
11
|
6
|
20.8
|
|
50
|
92
|
74
|
43.5
|
90
|
9
|
5
|
M8×10(n.4)
|
45°
|
90
|
70
|
11(4/90°)
|
125
|
110
|
14
|
8
|
28.3
|
|
63
|
112
|
90
|
53
|
97
|
10
|
6
|
M8×14(n.8)
|
45°
|
150
|
115
|
11(4/90°)
|
180
|
142
|
19
|
8
|
28.3
|
|
75
|
118
|
105
|
57
|
111
|
13
|
6
|
M8×14(n.8)
|
45°
|
165
|
130
|
14(4/90°)
|
200
|
170
|
24
|
8
|
31.3
|
|
90
|
140
|
125
|
67
|
111
|
13
|
6
|
M10×18(n.8)
|
45°
|
175
|
152
|
14(4/90°)
|
210
|
200
|
24
|
10
|
38.3
|
|
110
|
155
|
142
|
74
|
139
|
15
|
6
|
M10×30(n.8)
|
45°
|
220
|
170
|
14(4/45°)
|
270
|
250
|
28
|
12
|
45.3
|
|
130
|
170
|
162
|
80.5
|
151.5
|
15
|
6
|
M12×40(n.8)
|
45°
|
255
|
180
|
16(4/45°)
|
320
|
290
|
30
|
14
|
48.8
|
