China Nmrv75 0.55kw Worm Speed Gearbox Motor Worm Drive Gearbox double enveloping worm gearbox

Merchandise Description

Nmrv75 .55kw Worm Speed Gearbox Motor Worm Travel Gearbox

Input Configurations

Double or one input shaft (NRV)

PAM / IEC motor input shaft with circle or sq. flange (NMRV)

Output Configurations

 

Double or solitary output shaft

Output flange

Specialized Info:

Housing content Cast iron/Ductile iron
Housing hardness HBS190-240
Gear substance 20CrMnTi alloy steel
Surface hardness of gears HRC58°~sixty two °
Gear core hardness HRC33~forty
Enter / Output shaft content 42CrMo alloy metal
Input / Output shaft hardness HRC25~30
Machining precision of gears exact grinding, 6~5 Quality
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Warmth remedy tempering, cementiting, quenching, and many others.
Effectiveness ninety four%~ninety six% (relies upon on the transmission phase)
Sounds (MAX) sixty~68dB
Temp. increase (MAX) 40°C
Temp. increase (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Model of bearings China top model bearing, HRB/LYC/ZWZ/C&U. Or other brand names asked for, NSK.
Manufacturer of oil seal NAK — ZheJiang or other manufacturers requested

Specification

Product

Motor Input Flange (circle)

Transmission Ratio

Energy

(kw)

Ratio

(i)

Nominal Torque

(Nm)

PAM / IEC

Inside Dia.

Dis. Among Diagonal Screw Holes

External Dia.

Width of Important Slot

five

7.five

ten

fifteen

twenty

twenty five

thirty

40

fifty

60

eighty

a hundred

N

M

P

E

Diamter of Enter Shaft

NMRV25

56B14

fifty

65

80

3

9

nine

.06

seven.5-sixty

two.6-fourteen

NMRV30

63B5

95

one hundred fifteen

140

4

11

.06-.18

7.5-eighty

2.6-fourteen

63B14

60

75

90

56B5

80

a hundred

a hundred and twenty

three

9

56B14

fifty

65

80

NMRV40

71B5

110

a hundred thirty

a hundred and sixty

5

fourteen

.09-.37

seven.5-a hundred

eleven-53

71B14

70

eighty five

one zero five

63B5

ninety five

one hundred fifteen

one hundred forty

four

11

63B14

60

seventy five

ninety

56B5

80

100

120

three

nine

NMRV50

80B5

one hundred thirty

165

two hundred

6

19

.twelve-.seventy five

7.5-a hundred

21-89

80B14

80

one hundred

one hundred twenty

71B5

one hundred ten

one hundred thirty

160

five

fourteen

71B14

70

85

one hundred and five

63B5

ninety five

a hundred and fifteen

a hundred and forty

four

11

NMRV63

90B5

one hundred thirty

a hundred sixty five

two hundred

8

24

.25-1.five

7.5-one hundred

fifty six-166

90B14

95

one hundred fifteen

a hundred and forty

80B5

one hundred thirty

a hundred sixty five

200

six

19

80B14

80

100

a hundred and twenty

71B5

a hundred and ten

130

a hundred and sixty

5

14

71B14

70

85

a hundred and five

NMRV75

a hundred/112B5

one hundred eighty

215

250

8

28

.55-4

seven.5-a hundred

90-269

one hundred/112B14

one hundred ten

a hundred thirty

one hundred sixty

90B5

one hundred thirty

one hundred sixty five

two hundred

8

24

90B14

ninety five

115

a hundred and forty

80B5

a hundred thirty

one hundred sixty five

two hundred

six

19

80B14

80

one hundred

a hundred and twenty

71B5

110

130

one hundred sixty

fourteen

NMRV90

a hundred/112B5

one hundred eighty

215

250

8

28

.55-four

seven.5-one hundred

one hundred and one-458

100/112B14

one hundred ten

one hundred thirty

160

90B5

one hundred thirty

165

200

eight

24

90B14

95

one hundred fifteen

one hundred forty

80B5

one hundred thirty

one hundred sixty five

two hundred

6

19

80B14

eighty

one hundred

one hundred twenty

NMRV110

132B5

230

265

three hundred

ten

38

1.1-7.5

seven.5-one hundred

242-660

132B14

a hundred thirty

a hundred sixty five

two hundred

100/112B5

a hundred and eighty

215

250

eight

28

90B5

one hundred thirty

a hundred sixty five

200

24

90B14

95

one hundred fifteen

a hundred and forty

80B5

a hundred thirty

a hundred sixty five

200

19

 NMRV130 

132B5

230

265

300

ten

 – 

38

 – 

 2.2-7.5 

 7.5-100 

 333-1596 

132B14

one hundred thirty

one hundred sixty five

two hundred

a hundred/112B5

one hundred eighty

215

250

8

28

90B5

130

165

200

24

90B14

95

a hundred and fifteen

a hundred and forty

NMRV150

160B5

250

three hundred

350

12

42

two.2-15

7.5-one hundred

570-1760

132B5

230

265

300

ten

38

132B14

one hundred thirty

165

200

100/112B5

one hundred eighty

215

250

8

28

Firm profile

Situation

Packing

FAQ

Q1: I want to buy your products, how can I pay out?
A: You can shell out through T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you promise the top quality?
A: One year’s warranty from B/L day. If you meet up with with top quality issue, please send out us photographs or movie to verify, we guarantee to deliver spare areas or new merchandise to exchange. Our assure not incorporate inappropriate procedure or wrong specification choice. 

Q3: How we pick models and specifications?
A: You can e mail us the sequence code (for illustration: RC series helical gearbox) as well as need specifics, such as motor energy,output speed or ratio, provider issue or your application…as a lot data as feasible. If you can provide some photographs or drawings,it is good. 

This autumn: If we don’t uncover what we want on your web site, what need to we do?
A: We offer 3 possibilities:
1, You can electronic mail us the images, drawings or descriptions specifics. We will try out to design and style your goods on the basis of our
common types.
2, Our R&D section is skilled for OEM/ODM merchandise by drawing/samples, you can deliver us samples, we do personalized design and style for your bulk acquiring.
3, We can build new items if they have great marketplace. We have already designed numerous things for specific utilizing profitable, these kinds of as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we acquire 1 personal computer of each and every item for quality screening?
A: Of course, we are glad to settle for trial purchase for high quality screening.

Q6: How about your solution shipping time?
A: Normally for 20’container, it requires twenty five-thirty workdays for RV series worm gearbox, 35-forty workdays for helical gearmotors.

US $18-35
/ Piece
|
20 Pieces

(Min. Order)

###

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: B3, B6, B7, B8, V5, V6
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step

###

Customization:

###

Input Configurations
Double or single input shaft (NRV)
PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations
 
Double or single output shaft
Output flange

###

Housing material Cast iron/Ductile iron
Housing hardness HBS190-240
Gear material 20CrMnTi alloy steel
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input / Output shaft material 42CrMo alloy steel
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~5 Grade
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment tempering, cementiting, quenching, etc.
Efficiency 94%~96% (depends on the transmission stage)
Noise (MAX) 60~68dB
Temp. rise (MAX) 40°C
Temp. rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK.
Brand of oil seal NAK — Taiwan or other brands requested

###

Model
Motor Input Flange (circle)
Transmission Ratio
Power
(kw)
Ratio
(i)
Nominal Torque
(Nm)
PAM / IEC
Internal Dia.
Dis. Between Diagonal Screw Holes
External Dia.
Width of Key Slot
5
7.5
10
15
20
25
30
40
50
60
80
100
N
M
P
E
Diamter of Input Shaft
NMRV25
56B14
50
65
80
3
9
9
0.06
7.5-60
2.6-14
NMRV30
63B5
95
115
140
4
11
0.06-0.18
7.5-80
2.6-14
63B14
60
75
90
56B5
80
100
120
3
9
56B14
50
65
80
NMRV40
71B5
110
130
160
5
14
0.09-0.37
7.5-100
11-53
71B14
70
85
105
63B5
95
115
140
4
11
63B14
60
75
90
56B5
80
100
120
3
9
NMRV50
80B5
130
165
200
6
19
0.12-0.75
7.5-100
21-89
80B14
80
100
120
71B5
110
130
160
5
14
71B14
70
85
105
63B5
95
115
140
4
11
NMRV63
90B5
130
165
200
8
24
0.25-1.5
7.5-100
56-166
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
71B5
110
130
160
5
14
71B14
70
85
105
NMRV75
100/112B5
180
215
250
8
28
0.55-4
7.5-100
90-269
100/112B14
110
130
160
90B5
130
165
200
8
24
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
71B5
110
130
160
14
NMRV90
100/112B5
180
215
250
8
28
0.55-4
7.5-100
101-458
100/112B14
110
130
160
90B5
130
165
200
8
24
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
NMRV110
132B5
230
265
300
10
38
1.1-7.5
7.5-100
242-660
132B14
130
165
200
100/112B5
180
215
250
8
28
90B5
130
165
200
24
90B14
95
115
140
80B5
130
165
200
19
 NMRV130 
132B5
230
265
300
10
 – 
38
 – 
 2.2-7.5 
 7.5-100 
 333-1596 
132B14
130
165
200
100/112B5
180
215
250
8
28
90B5
130
165
200
24
90B14
95
115
140
NMRV150
160B5
250
300
350
12
42
2.2-15
7.5-100
570-1760
132B5
230
265
300
10
38
132B14
130
165
200
100/112B5
180
215
250
8
28
US $18-35
/ Piece
|
20 Pieces

(Min. Order)

###

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: B3, B6, B7, B8, V5, V6
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step

###

Customization:

###

Input Configurations
Double or single input shaft (NRV)
PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations
 
Double or single output shaft
Output flange

###

Housing material Cast iron/Ductile iron
Housing hardness HBS190-240
Gear material 20CrMnTi alloy steel
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input / Output shaft material 42CrMo alloy steel
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~5 Grade
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment tempering, cementiting, quenching, etc.
Efficiency 94%~96% (depends on the transmission stage)
Noise (MAX) 60~68dB
Temp. rise (MAX) 40°C
Temp. rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK.
Brand of oil seal NAK — Taiwan or other brands requested

###

Model
Motor Input Flange (circle)
Transmission Ratio
Power
(kw)
Ratio
(i)
Nominal Torque
(Nm)
PAM / IEC
Internal Dia.
Dis. Between Diagonal Screw Holes
External Dia.
Width of Key Slot
5
7.5
10
15
20
25
30
40
50
60
80
100
N
M
P
E
Diamter of Input Shaft
NMRV25
56B14
50
65
80
3
9
9
0.06
7.5-60
2.6-14
NMRV30
63B5
95
115
140
4
11
0.06-0.18
7.5-80
2.6-14
63B14
60
75
90
56B5
80
100
120
3
9
56B14
50
65
80
NMRV40
71B5
110
130
160
5
14
0.09-0.37
7.5-100
11-53
71B14
70
85
105
63B5
95
115
140
4
11
63B14
60
75
90
56B5
80
100
120
3
9
NMRV50
80B5
130
165
200
6
19
0.12-0.75
7.5-100
21-89
80B14
80
100
120
71B5
110
130
160
5
14
71B14
70
85
105
63B5
95
115
140
4
11
NMRV63
90B5
130
165
200
8
24
0.25-1.5
7.5-100
56-166
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
71B5
110
130
160
5
14
71B14
70
85
105
NMRV75
100/112B5
180
215
250
8
28
0.55-4
7.5-100
90-269
100/112B14
110
130
160
90B5
130
165
200
8
24
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
71B5
110
130
160
14
NMRV90
100/112B5
180
215
250
8
28
0.55-4
7.5-100
101-458
100/112B14
110
130
160
90B5
130
165
200
8
24
90B14
95
115
140
80B5
130
165
200
6
19
80B14
80
100
120
NMRV110
132B5
230
265
300
10
38
1.1-7.5
7.5-100
242-660
132B14
130
165
200
100/112B5
180
215
250
8
28
90B5
130
165
200
24
90B14
95
115
140
80B5
130
165
200
19
 NMRV130 
132B5
230
265
300
10
 – 
38
 – 
 2.2-7.5 
 7.5-100 
 333-1596 
132B14
130
165
200
100/112B5
180
215
250
8
28
90B5
130
165
200
24
90B14
95
115
140
NMRV150
160B5
250
300
350
12
42
2.2-15
7.5-100
570-1760
132B5
230
265
300
10
38
132B14
130
165
200
100/112B5
180
215
250
8
28

What Is a Gearbox?

There are several factors to consider when choosing a gearbox. Backlash, for example, is a consideration, as it is the angle at which the output shaft can rotate without the input shaft moving. While this isn’t necessary in applications without load reversals, it is important for precision applications involving load reversals. Examples of these applications include automation and robotics. If backlash is a concern, you may want to look at other factors, such as the number of teeth in each gear.
gearbox

Function of a gearbox

A gearbox is a mechanical unit that consists of a chain or set of gears. The gears are mounted on a shaft and are supported by rolling element bearings. These devices alter the speed or torque of the machine they are used in. Gearboxes can be used for a wide variety of applications. Here are some examples of how gearboxes function. Read on to discover more about the gears that make up a gearbox.
Regardless of the type of transmission, most gearboxes are equipped with a secondary gear and a primary one. While the gear ratios are the same for both the primary and secondary transmission, the gearboxes may differ in size and efficiency. High-performance racing cars typically employ a gearbox with two green and one blue gear. Gearboxes are often mounted in the front or rear of the engine.
The primary function of a gearbox is to transfer torque from one shaft to another. The ratio of the driving gear’s teeth to the receiving member determines how much torque is transmitted. A large gear ratio will cause the main shaft to revolve at a slower speed and have a high torque compared to its counter shaft. Conversely, a low gear ratio will allow the vehicle to turn at a lower speed and produce a lower torque.
A conventional gearbox has input and output gears. The countershaft is connected to a universal shaft. The input and output gears are arranged to match the speed and torque of each other. The gear ratio determines how fast a car can go and how much torque it can generate. Most conventional transmissions use four gear ratios, with one reverse gear. Some have two shafts and three inputs. However, if the gear ratios are high, the engine will experience a loss of torque.
In the study of gearbox performance, a large amount of data has been collected. A highly ambitious segmentation process has yielded nearly 20,000 feature vectors. These results are the most detailed and comprehensive of all the available data. This research has a dual curse – the first is the large volume of data collected for the purpose of characterization, while the second is the high dimensionality. The latter is a complication that arises when the experimental gearbox is not designed to perform well.
gearbox

Bzvacklash

The main function of a gearhead is to multiply a moment of force and create a mechanical advantage. However, backlash can cause a variety of issues for the system, including impaired positioning accuracy and lowered overall performance. A zero backlash gearbox can eliminate motion losses caused by backlash and improve overall system performance. Here are some common problems associated with backlash in gearheads and how to fix them. After you understand how to fix gearbox backlash, you’ll be able to design a machine that meets your requirements.
To reduce gearbox backlash, many designers try to decrease the center distance of the gears. This eliminates space for lubrication and promotes excessive tooth mesh, which leads to premature mesh failure. To minimize gearbox backlash, a gear manufacturer may separate the two parts of the gear and adjust the mesh center distance between them. To do this, rotate one gear with respect to the fixed gear, while adjusting the other gear’s effective tooth thickness.
Several manufacturing processes may introduce errors, and reducing tooth thickness will minimize this error. Gears with bevel teeth are a prime example of this. This type of gear features a small number of teeth in comparison to its mating gear. In addition to reducing tooth thickness, bevel gears also reduce backlash. While bevel gears have fewer teeth than their mating gear, all of their backlash allowance is applied to the larger gear.
A gear’s backlash can affect the efficiency of a gearbox. In an ideal gear, the backlash is zero. But if there is too much, backlash can cause damage to the gears and cause it to malfunction. Therefore, the goal of gearbox backlash is to minimize this problem. However, this may require the use of a micrometer. To determine how much gearbox backlash you need, you can use a dial gauge or feeler gauge.
If you’ve been looking for a way to reduce backlash, a gearbox’s backlash may be the answer. However, backlash is not a revolt against the manufacturer. It is an error in motion that occurs naturally in gear systems that change direction. If it is left unaccounted for, it can lead to major gear degradation and even compromise the entire system. In this article, we’ll explain how backlash affects gears and how it affects the performance of a gearbox.

Design

The design of gearboxes consists of a variety of factors, including the type of material used, power requirements, speed and reduction ratio, and the application for which the unit is intended. The process of designing a gearbox usually begins with a description of the machine or gearbox and its intended use. Other key parameters to consider during gearbox design include the size and weight of the gear, its overall gear ratio and number of reductions, as well as the lubrication methods used.
During the design process, the customer and supplier will participate in various design reviews. These include concept or initial design review, manufacturing design validation, critical design review, and final design review. The customer may also initiate the process by initiating a DFMEA. After receiving the initial design approval, the design will go through several iterations before the finalized design is frozen. In some cases, the customer will require a DFMEA of the gearbox.
The speed increaser gearboxes also require special design considerations. These gearboxes typically operate at high speeds, causing problems with gear dynamics. Furthermore, the high speeds of the unit increase frictional and drag forces. A proper design of this component should minimize the effect of these forces. To solve these problems, a gearbox should incorporate a brake system. In some cases, an external force may also increase frictional forces.
Various types of gear arrangements are used in gearboxes. The design of the teeth of the gears plays a significant role in defining the type of gear arrangement in the gearbox. Spur gear is an example of a gear arrangement, which has teeth that run parallel to the axis of rotation. These gears offer high gear ratios and are often used in multiple stages. So, it is possible to create a gearbox that meets the needs of your application.
The design of gearboxes is the most complex process in the engineering process. These complex devices are made of multiple types of gears and are mounted on shafts. They are supported by rolling element bearings and are used for a variety of applications. In general, a gearbox is used to reduce speed and torque and change direction. Gearboxes are commonly used in motor vehicles, but can also be found in pedal bicycles and fixed machines.
gearbox

Manufacturers

There are several major segments in the gearbox market, including industrial, mining, and automotive. Gearbox manufacturers are required to understand the application and user industries to design a gearbox that meets their specific requirements. Basic knowledge of metallurgy is necessary. Multinational companies also provide gearbox solutions for the power generation industry, shipping industry, and automotive industries. To make their products more competitive, they need to focus on product innovation, geographical expansion, and customer retention.
The CZPT Group started as a small company in 1976. Since then, it has become a global reference in mechanical transmissions. Its production range includes gears, reduction gearboxes, and geared motors. The company was the first in Italy to achieve ISO certification, and it continues to grow into one of the world’s leading manufacturers of production gearboxes. As the industry evolves, CZPT focuses on research and development to create better products.
The agriculture industry uses gearboxes to implement a variety of processes. They are used in tractors, pumps, and agricultural machinery. The automotive industry uses gears in automobiles, but they are also found in mining and tea processing machinery. Industrial gearboxes also play an important role in feed and speed drives. The gearbox industry has a diverse portfolio of manufacturers and suppliers. Here are some examples of gearboxes:
Gearboxes are complex pieces of equipment. They must be used properly to optimize efficiency and extend their lifespan. Manufacturers employ advanced technology and strict quality control processes to ensure their products meet the highest standards. In addition to manufacturing precision and reliability, gearbox manufacturers ensure that their products are safe for use in the production of industrial machinery. They are also used in office machines and medical equipment. However, the automotive gearbox market is becoming increasingly competitive.

China Nmrv75 0.55kw Worm Speed Gearbox Motor Worm Drive Gearbox     double enveloping worm gearboxChina Nmrv75 0.55kw Worm Speed Gearbox Motor Worm Drive Gearbox     double enveloping worm gearbox
editor by czh 2022-12-02