Tag Archives: worm gear gearboxes

China Transmission Gearbox Nmrv040 Aluminum Cast Worm Gearboxes for Industrial Systems Speed Reducing worm gear box elecon

Merchandise Description

Transmission gearbox NMRV040 Aluminum Forged Worm Gearboxes for Industrial Techniques Pace Decreasing

 

Input Configurations

Double or single enter shaft (NRV)

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

Output Configurations

 

Double or solitary output shaft

Output flange

Technical Data:

Housing materials Solid iron/Ductile iron
Housing hardness HBS190-240
Gear content 20CrMnTi alloy steel
Area hardness of gears HRC58°~sixty two °
Equipment core hardness HRC33~forty
Enter / Output shaft substance 42CrMo alloy metal
Enter / Output shaft hardness HRC25~thirty
Machining precision of gears precise grinding, 6~5 Quality
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Warmth therapy tempering, cementiting, quenching, and many others.
Efficiency 94%~96% (depends on the transmission stage)
Sound (MAX) 60~68dB
Temp. increase (MAX) 40°C
Temp. increase (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China leading manufacturer bearing, HRB/LYC/ZWZ/C&U. Or other brand names asked for,NSK.
Manufacturer of oil seal NAK — ZheJiang or other makes asked for

 

Primary used for

Harbor and transport
Hoist and transport
Electric powered power
Coal mining
Cement and building
Paper and mild sector

Specification

Model

Motor Enter Flange (circle)

Transmission Ratio

Electricity

(kw)

Ratio

(i)

Nominal Torque

(Nm)

PAM / IEC

Inner Dia.

Dis. Amongst Diagonal Screw Holes

Exterior Dia.

Width of Crucial Slot

five

seven.five

10

fifteen

20

25

30

40

50

60

80

a hundred

N

M

P

E

Diamter of Input Shaft

NMRV25

56B14

fifty

65

80

3

nine

nine

.06

7.5-sixty

2.6-14

NMRV30

63B5

ninety five

115

140

four

11

.06-.eighteen

seven.5-eighty

two.6-14

63B14

sixty

75

ninety

56B5

80

one hundred

a hundred and twenty

3

9

56B14

fifty

sixty five

eighty

NMRV40

71B5

one hundred ten

one hundred thirty

one hundred sixty

five

14

.09-.37

seven.5-one hundred

eleven-53

71B14

70

85

one hundred and five

63B5

ninety five

one hundred fifteen

a hundred and forty

four

eleven

63B14

60

seventy five

90

56B5

80

100

120

three

9

NMRV50

80B5

a hundred thirty

one hundred sixty five

200

six

19

.12-.75

seven.5-one hundred

21-89

80B14

80

a hundred

one hundred twenty

71B5

one hundred ten

a hundred thirty

160

5

14

71B14

70

85

one zero five

63B5

95

one hundred fifteen

one hundred forty

4

eleven

NMRV63

90B5

130

one hundred sixty five

two hundred

eight

24

.25-1.5

seven.5-one hundred

56-166

90B14

ninety five

115

140

80B5

one hundred thirty

a hundred sixty five

200

six

19

80B14

eighty

one hundred

a hundred and twenty

71B5

a hundred and ten

a hundred thirty

one hundred sixty

five

fourteen

71B14

70

85

a hundred and five

NMRV75

100/112B5

180

215

250

8

28

.fifty five-4

seven.5-a hundred

ninety-269

100/112B14

110

a hundred thirty

a hundred and sixty

90B5

one hundred thirty

165

two hundred

8

24

90B14

ninety five

a hundred and fifteen

one hundred forty

80B5

a hundred thirty

a hundred sixty five

200

6

19

80B14

80

a hundred

a hundred and twenty

71B5

one hundred ten

a hundred thirty

one hundred sixty

fourteen

NMRV90

100/112B5

one hundred eighty

215

250

8

28

.55-four

7.5-a hundred

one zero one-458

a hundred/112B14

110

a hundred thirty

160

90B5

130

one hundred sixty five

two hundred

eight

24

90B14

95

115

140

80B5

one hundred thirty

a hundred sixty five

200

6

19

80B14

80

one hundred

one hundred twenty

NMRV110

132B5

230

265

300

10

38

one.1-7.five

7.5-one hundred

242-660

132B14

a hundred thirty

165

two hundred

one hundred/112B5

180

215

250

8

28

90B5

a hundred thirty

165

200

24

90B14

95

a hundred and fifteen

140

80B5

one hundred thirty

165

two hundred

19

 NMRV130 

132B5

230

265

300

ten

 – 

38

 – 

 2.2-7.5 

 7.5-100 

 333-1596 

132B14

130

one hundred sixty five

two hundred

a hundred/112B5

one hundred eighty

215

250

8

28

90B5

130

a hundred sixty five

200

24

90B14

95

115

a hundred and forty

NMRV150

160B5

250

three hundred

350

twelve

42

2.2-15

7.5-a hundred

570-1760

132B5

230

265

300

10

38

132B14

130

165

two hundred

100/112B5

one hundred eighty

215

250

8

28

Firm profile

State of affairs

Packing

FAQ

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

Q2: How can you guarantee the good quality?
A: 1 year’s warranty towards B/L date. If you meet up with with good quality difficulty, remember to send out us photos or online video to verify, we guarantee to send out spare elements or new merchandise to substitute. Our assure not contain inappropriate operation or incorrect specification selection. 

Q3: How we choose versions and specs?
A: You can email us the series code (for illustration: RC series helical gearbox) as nicely as necessity information, such as motor electricity,output pace or ratio, services aspect or your software…as a lot knowledge as achievable. If you can offer some photographs or drawings,it is wonderful. 

This autumn: If we never uncover what we want on your site, what need to we do?
A: We offer you 3 choices:
one, You can e-mail us the photos, drawings or descriptions details. We will try out to design your goods on the basis of our
standard types.
two, Our R&D department is expert for OEM/ODM items by drawing/samples, you can deliver us samples, we do personalized style for your bulk purchasing.
3, We can develop new merchandise if they have good industry. We have already created a lot of things for special using productive, this sort of as particular gearbox for agitator, cement conveyor, footwear machines and so on. 

Q5: Can we purchase 1 computer of every single item for top quality screening?
A: Sure, we are happy to settle for demo order for top quality tests.

Q6: How about your product shipping and delivery time?
A: Normally for 20’container, it requires twenty five-30 workdays for RV series worm gearbox, 35-forty workdays for helical gearmotors.

US $20-100
/ 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 $20-100
/ 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 worm gear reducer gearbox?

The worm gear reducer gearbox is used to change the output speed of the mechanical device. It consists of worm and helical gears mounted on the input side of the equipment. In some cases, this gear reduction system can be multi-stage, enabling extremely low output speeds. It has the advantages of low energy consumption and low vibration.
worm reducerHollow shaft worm gear reducer gearbox

Worm gear reducer gearbox is an effective device to reduce the speed of mechanical equipment. The use of hard steel or non-ferrous metals for the worm increases its efficiency. Worms made of hard steel generate more heat than worms made of mild steel. Different thermal expansion results in gaps between mating surfaces. Despite its many benefits, worm gear reducer gearboxes are prone to oil leakage, which can be a problem for a number of reasons.
Hollow shaft worm gear reducer gearboxes are available in different gear ratios and are compatible with many motor types. Some are available in dual-axis and single-axis configurations and can be mounted horizontally or vertically. They are also available in intermediate ratios, as well as four- and five-speed transmission types. They can also be connected with additional output shafts.
Another type of worm gear reducer gearbox is the multi-stage variety. This gear reducer gearbox has multiple stages, enabling it to reduce speed with extremely low output speeds. In addition to the large transmission ratio, the multi-stage gear reducer gearbox has low noise, low vibration and low energy consumption.
Worm gear reducer gearboxes offer space-saving solutions as well as increased torque. Agknx Gearbox offers worm gear reducer gearboxes that solve common deceleration problems. The company has also expanded its product range into the bathroom market. Compared with the standard gearbox, the worm gear reducer gearbox has the characteristics of lower price and better torque output.
Agknx worm gear

The Agknx type worm gear reducer gearbox has multi-tooth line contact and is widely used in heavy machinery. These gears are characterized by a high load-carrying capacity, but they are highly sensitive to misalignment and manufacturing errors. However, by employing point contact, these gears can be made more reliable and can withstand higher loads.
Another major advantage of the Agknx worm gear is its high load capacity. The tooth profile design of the gears has a high relative slip ratio, which improves efficiency and load capacity. In addition, the large angle between the sliding direction and the contact line provides a low coefficient of friction. The Agknx worm gear also features premium carburized steel and phosphor bronze castings for exceptional durability. In addition, the tooth profile is very precise, the operation is quiet, and the speed fluctuation is small.
Agknx worm gear reducer gearboxes are designed to operate for up to ten hours per day with an even load. The design of this worm gear reducer gearbox stems from Sumitomo Heavy Industries’ extensive experience in gear reducer gearboxes. The smooth surface texture and precise tooth profile of the gears ensure that the gears can withstand high loads without damaging the lubricant film. In addition, Agknx worm shafts are specially designed to have the right stiffness.
Agknx worm gear reducer gearboxes are designed to maximize load capacity while minimizing energy consumption. Its fully meshed teeth reduce surface pressure on the worm gear teeth and increase load capacity.
worm reducerDouble throat worm gear

There are a few things to consider when choosing a dual-throat worm gear. First, the diameter of the root circle must match the circle pitch of the larger gear. This measurement is usually done by measuring the distance between adjacent teeth. Alternatively, the worm’s normal module can be used. It is the value entered in the worm module dialog. In addition, the axial pitch of the worm should be equal to the pitch diameter of the circular pitch.
Double-throat worm gears are an excellent choice for heavy and heavy-duty applications. The design of this worm gear is ideal for heavy-duty applications as it provides a tighter connection between the worm and the gear. It is also more compact than other types of gear and is comparable to a fine-pitch lead screw.
The efficiency of a double-throat worm gear depends on the material of the gear and worm. Typically, gears are made of case-hardened steel, while worm gears are made of bronze or cast iron. In some cases, a combination of cast iron and bronze can be used.
The deflection of the worm shaft is also affected by the tooth parameters. Tooth height, pressure angle, and size factors all affect the deflection of the worm shaft. In addition, the number of worm threads is another important parameter that affects the deflection of the worm shaft.
Double-throat worm gears are commonly used in industrial applications where high drive reduction is required. The worm has a concave and internal tooth structure that can be adjusted to achieve various ratios. Worm gears and worm gear assemblies must be properly mounted on their shafts to prevent back drive.
Brass worm gear

The basic working principle of the brass worm gear reducer gearbox is the same as that of the traditional worm gear reducer gearbox. Its axial pitch must be equal to the circumferential pitch of the larger gear. The single-thread design advances one tooth per revolution, while the double-thread design advances two teeth. The threads on the worm are either left-handed or right-handed. The lead of a worm is the distance a point on the thread of the worm moves in one revolution. The lead angle is the angle tangent to the pitch of the cylinder and the axis of the worm.
Double-thread worm gear reducer gearboxes are best for heavy loads. It provides the tightest connection between the worm and the gear. Assembly of the worm gear requires precise mounting. The keyway installation method involves drilling a square cut in the gear hole. This prevents the worm from rotating on the shaft and helps transmit torque. Then use the set screw to secure the gear to the hub.
The large fuel tank helps keep the worm gear clean and reduces heat. It also provides lubrication for extended life. Worm gear reducer gearboxes with oil reservoirs provide a lubricated environment and low-friction surfaces. Additionally, it offers multi-position installation flexibility. Additionally, its housing is cross-milled for precise alignment. It also features internal baffles for leak-free ventilation.
I260 series worm gear reducer gearboxes are one-piece iron casings with solid or hollow output shafts and tapered roller bearings. This gear reducer gearbox is designed for low to medium-horsepower applications. This gear reducer gearbox is a cost-effective option with low initial cost, the high gear ratio, and high torque in a compact package. Also, it is more shock resistant than other gear reducer gearboxes.
worm reducerBrass worm gear

Brass worm gear reducer gearbox is a reduction gear. This type of gear can provide a lot of reduction in a small package. This type of gear reducer gearbox also has the ability to generate high torque. However, it is important to understand that this gear reducer gearbox has thermal limitations, which reduce its efficiency. The choice of lubricant for this gear reducer gearbox is very flexible. However, being a yellow metal, it is important to remember that the lubricant must be non-reactive.
Worm gears are used in many consumer and industrial applications and have high reduction ratios. These gears are produced in various configurations and sizes. Worm gears are similar to spur gears but have non-parallel shafts. Worm gears are also suitable for applications requiring low output speed but high torque.
Worm gears have some distinct advantages over other gears. First, unlike standard gears, the worm rotates in a worm-like motion. This mechanism prevents reverse movement. This is because the lead angle of the worm gear is small. Additionally, the worms self-lock, helping to prevent reversal. However, this mechanism is not entirely reliable. Worm gears can be found in elevators, fishing reels, sprockets, and automotive power steering.
Another advantage of worm gears is that they are easy to manufacture. The rationale behind this design is to have two mutually perpendicular axes. Then, two or more threads are added to the worm gear. The common tangent between these two shafts intersects the pitch line of the worm gear shaft. This is the basis of transfer speed.

China Transmission Gearbox Nmrv040 Aluminum Cast Worm Gearboxes for Industrial Systems Speed Reducing     worm gear box eleconChina Transmission Gearbox Nmrv040 Aluminum Cast Worm Gearboxes for Industrial Systems Speed Reducing     worm gear box elecon
editor by czh 2023-01-18