Item Description

 

Merchandise Description

NRV NMRV Worm Equipment Velocity Reducer Flange Mounted Worm Reduction Gearbox

NRV

030

040

050

063

075

090

110

a hundred thirty

one hundred fifty

B

twenty

23

30

forty

50

fifty

60

eighty

eighty

D1

nine j6

11 j6

fourteen j6

19 j6

24 j6

24 j6

28 j6

30 j6

35 j6

G2

fifty one

80

74

90

105

125

142

162

195

G3

forty five

fifty three

sixty four

seventy five

ninety

108

135

155

a hundred seventy five

I

thirty

forty

50

63

75

ninety

one hundred ten

one hundred thirty

a hundred and fifty

b1

three

4

5

6

eight

eight

8

eight

10

f1

M6

M6

M8

M8

M10

M10

M12

t1

ten.2

12.5

16

21.5

27

27

31

33

38

NRV-NMRV

030-040

030-050

030-063

040-075

040-090

050-one zero five

050-a hundred and ten

063-130

063-one hundred fifty

B

20

20

20

23

23

30

thirty

40

40

D1

9 j5

nine j6

nine j6

eleven j6

eleven j6

fourteen j6

14 j6

19 j6

19 j6

G2

51

51

51

60

00

seventy four

seventy four

ninety

ninety

I

10

20

33

35

50

60

60

67

87

b1

three

3

3

4

four

five

5

6

six

f1

M6

M6

M6

M6

t1

ten.2

ten.two

ten.2

12.5

12.five

sixteen

sixteen

21.five

21.five

NMRV571

Bodyweight without having motor:.7kg

Input dimension: ( Pm, Dm, bm, tm )

NMRV030

Excess weight with no motor:1.2kg

Enter measurement: ( Pm, Dm, bm, tm )

NMRV040              Output

D H8

b

t

eighteen

(19)

6

(6)

20.8

(21.8)

(..)Only on request 

Excess weight without having motor:2.3kg

Input size (Pm, Dm, bm, tm)

 

NMRV110

Excess weight without having motor: 35kg
Input dimension: (Pm, Dm, bm, tm)

NMRV130

Excess weight with out motor: 48kg
Enter dimensions: (Pm, Dm, bm, tm)

NMRV150

Excess weight without motor: 87.8kg
Input dimension: (Pm, Dm, bm, tm)

Attributes:

one) Aluminum alloy die-casted gearbox
two) Compact composition will save mounting area
three) Very accurate
4) Operates ahead and backward
five) Substantial overload capability
6) Steady transmission with reduced vibration and sounds

Qualities:

one. High good quality aluminum alloy quadrate circumstance .
2. Higher efficiency.
three. Small measurement, compact constructure and light-weight bodyweight.
4. Combination of 2 solitary-action worm equipment velocity reducers, assembly the needs of tremendous speed ratio.

Technological Info:

one. Input energy: .06kW-15kW
two. Output torque: 7.8-1195N.m
3. Pace ratio: (5-a hundred) 5, 7.5, ten, fifteen, twenty, twenty five, 30, forty, fifty, sixty, 80, a hundred
four. Adapt for IEC, NEMA, SERVO
Components:
1. From RV25 up to RV105: Aluminium alloy housing.
two. From RV110 to RV150: Solid iron housing.
three. Seal: CZPT Seal from ZheJiang
4. Bearing :do-it-yourself Bearing
Colour:
one. RAL5571
2. Blue
three. Silver
High quality control:
one.Quality ensure: 1 calendar year
two.Certificate of top quality: ISO9001:2008
3.Every single product have to be examined prior to packing

 

General Technological data:

Dimension amount:twenty five,30,40,fifty,63,75,ninety,110,one hundred thirty,one hundred fifty

Ratio:1/a hundred-1/5000

Colour:blue,silver,RAL5571 color
Materials:housing -casting iron- HT200-250#/aluminum worm gear-KK alloy worm-20CrMnTi with carburizing and quenching,floor hardness is 58-62HRC shaft-chromium metal-forty five#
Packing: Internal pack: use plastic bag a Inner pack: use plastic bag and foam box, outer pack: carton or wooden scenario 1set/bag/carton or based on customer’s requestbearing: CZPT & Selfmade bearing
Seal: CZPT seal from ZheJiang
Input electricity: .25kw,.37kw,.55kw,.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw
Lubricant:Artificial & Mineral
IEC flange:56B5,63B5,71B5,80B5,90B5,100B5,112B5,132B5
Output form: sound shaft,hollow shaft fat: .7-87.8KGSapplication: In industrial equipment:foods Things,ceramics,chemical,packing,printing,dyeing,woodworking,glass and plastics
Warranty:1 12 months
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Pace Worm Equipment Reducer

HangZhou CZPT Industry Co., Ltd. is a specialized supplier of a full selection of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined elements and so on.

Thanks to our sincerity in offering ideal services to our clients, comprehension of your needs and overriding feeling of accountability toward filling purchasing requirements, we have obtained the have confidence in of customers worldwide. Possessing amassed cherished expertise in cooperating with international buyers, our goods are selling effectively in the American, European, South American and Asian marketplaces. Our items are created by contemporary computerized machinery and tools. Meanwhile, our goods are produced according to substantial high quality requirements, and complying with the global innovative regular requirements.

With a lot of years’ experience in this line, we will be dependable by our positive aspects in competitive cost, a single-time delivery, prompt reaction, on-hand engineering assistance and good soon after-product sales solutions.

Moreover, all our production techniques are in compliance with ISO9001 requirements. We also can layout and make non-standard products to meet customers’ unique requirements. Quality and credit history are the bases that make a company alive. We will supply greatest providers and high high quality products with all sincerity. If you want any details or samples, please speak to us and you will have our shortly reply.

FAQ:
Q1: Are you trading firm or company ?
A: We are manufacturing facility.

Q2: How lengthy is your delivery time and cargo?
one.Sample Direct-times: normally 10 workdays.
two.Production Direct-times: 20-40 workdays right after getting your deposit.

Q3. What is your terms of payment?
A: T/T thirty% as deposit, and 70% just before supply.

This fall: What is your advantages?
1. Producer,the most aggressive value and very good good quality.
2. Excellent complex engineers give you the ideal assistance.
three. OEM is available.
four. Rich inventory and fast shipping.

Q5. If you can’t discover the merchandise on our site,what do you subsequent?
You should ship us inquiry with solution images and drawings by e-mail or other approaches and we are going to examine.

 

 

US $10-100
/ Piece
|
100 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

###

Output Speed: 17.5-186.7 R/Min
Applicable Industries: Hotels, Garment Shops, Building Material Shops
Customized Support: OEM, ODM

###

Customization:

###

NRV
030
040
050
063
075
090
110
130
150
B
20
23
30
40
50
50
60
80
80
D1
9 j6
11 j6
14 j6
19 j6
24 j6
24 j6
28 j6
30 j6
35 j6
G2
51
80
74
90
105
125
142
162
195
G3
45
53
64
75
90
108
135
155
175
I
30
40
50
63
75
90
110
130
150
b1
3
4
5
6
8
8
8
8
10
f1
M6
M6
M8
M8
M10
M10
M12
t1
10.2
12.5
16
21.5
27
27
31
33
38

###

NRV-NMRV
030-040
030-050
030-063
040-075
040-090
050-105
050-110
063-130
063-150
B
20
20
20
23
23
30
30
40
40
D1
9 j5
9 j6
9 j6
11 j6
11 j6
14 j6
14 j6
19 j6
19 j6
G2
51
51
51
60
00
74
74
90
90
I
10
20
33
35
50
60
60
67
87
b1
3
3
3
4
4
5
5
6
6
f1
M6
M6
M6
M6
t1
10.2
10.2
10.2
12.5
12.5
16
16
21.5
21.5

###

NMRV040              Output
D H8
b
t
18
(19)
6
(6)
20.8
(21.8)
(..)Only on request 

Weight without motor:2.3kg
Input size (Pm, Dm, bm, tm)
US $10-100
/ Piece
|
100 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

###

Output Speed: 17.5-186.7 R/Min
Applicable Industries: Hotels, Garment Shops, Building Material Shops
Customized Support: OEM, ODM

###

Customization:

###

NRV
030
040
050
063
075
090
110
130
150
B
20
23
30
40
50
50
60
80
80
D1
9 j6
11 j6
14 j6
19 j6
24 j6
24 j6
28 j6
30 j6
35 j6
G2
51
80
74
90
105
125
142
162
195
G3
45
53
64
75
90
108
135
155
175
I
30
40
50
63
75
90
110
130
150
b1
3
4
5
6
8
8
8
8
10
f1
M6
M6
M8
M8
M10
M10
M12
t1
10.2
12.5
16
21.5
27
27
31
33
38

###

NRV-NMRV
030-040
030-050
030-063
040-075
040-090
050-105
050-110
063-130
063-150
B
20
20
20
23
23
30
30
40
40
D1
9 j5
9 j6
9 j6
11 j6
11 j6
14 j6
14 j6
19 j6
19 j6
G2
51
51
51
60
00
74
74
90
90
I
10
20
33
35
50
60
60
67
87
b1
3
3
3
4
4
5
5
6
6
f1
M6
M6
M6
M6
t1
10.2
10.2
10.2
12.5
12.5
16
16
21.5
21.5

###

NMRV040              Output
D H8
b
t
18
(19)
6
(6)
20.8
(21.8)
(..)Only on request 

Weight without motor:2.3kg
Input size (Pm, Dm, bm, tm)

What is a worm gear reducer gearbox?

A worm gear reducer gearbox is a mechanical device that uses a worm gear and a worm to reduce the speed of a rotating shaft. The gear reducer gearbox can increase the output torque of the engine according to the gear ratio. This type of gear reducer gearbox is characterized by its flexibility and compact size. It also increases the strength and efficiency of the drive.
worm reducer

Hollow shaft worm gear reducer gearbox

The hollow shaft worm gear reducer gearbox is an additional output shaft connecting various motors and other gearboxes. They can be installed horizontally or vertically. Depending on size and scale, they can be used with gearboxes from 4GN to 5GX.
Worm gear reducer gearboxes are usually used in combination with helical gear reducer gearboxes. The latter is mounted on the input side of the worm gear reducer gearbox and is a great way to reduce the speed of high output motors. The gear reducer gearbox has high efficiency, low speed operation, low noise, low vibration and low energy consumption.
Worm gear reducer gearboxes are made of hard steel or non-ferrous metals, increasing their efficiency. However, gears are not indestructible, and failure to keep running can cause the gear oil to rust or emulsify. This is due to moisture condensation that occurs during the operation and shutdown of the reducer gearbox. The assembly process and quality of the bearing are important factors to prevent condensation.
Hollow shaft worm gear reducer gearboxes can be used in a variety of applications. They are commonly used in machine tools, variable speed drives and automotive applications. However, they are not suitable for continuous operation. If you plan to use a hollow shaft worm gear reducer gearbox, be sure to choose the correct one according to your requirements.

Double throat worm gear

Worm gear reducer gearboxes use a worm gear as the input gear. An electric motor or sprocket drives the worm, which is supported by anti-friction roller bearings. Worm gears are prone to wear due to the high friction in the gear teeth. This leads to corrosion of the confinement surfaces of the gears.
The pitch diameter and working depth of the worm gear are important. The pitch circle diameter is the diameter of the imaginary circle in which the worm and the gear mesh. Working depth is the maximum amount of worm thread that extends into the backlash. Throat diameter is the diameter of the circle at the lowest point of the worm gear face.
When the friction angle between the worm and the gear exceeds the lead angle of the worm, the worm gear is self-locking. This feature is useful for lifting equipment, but may be detrimental to systems that require reverse sensitivity. In these systems, the self-locking ability of the gears is a key limitation.
The double throat worm gear provides the tightest connection between the worm and the gear. The worm gear must be installed correctly to ensure maximum efficiency. One way to install the worm gear assembly is through a keyway. The keyway prevents the shaft from rotating, which is critical for transmitting torque. Then attach the gear to the hub using the set screw.
The axial and circumferential pitch of the worm gear should match the pitch diameter of the larger gear. Single-throat worm gears are single-threaded, and double-throat worm gears are double-throat. A single thread design advances one tooth, while a double thread design advances two teeth. The number of threads should match the number of mating gears.
worm reducer

Self-locking function

One of the most prominent features of a worm reducer gearbox is its self-locking function, which prevents the input and output shafts from being interchanged. The self-locking function is ideal for industrial applications where large gear reduction ratios are required without enlarging the gear box.
The self-locking function of a worm reducer gearbox can be achieved by choosing the right type of worm gear. However, it should be noted that this feature is not available in all types of worm gear reducer gearboxes. Worm gears are self-locking only when a specific speed ratio is reached. When the speed ratio is too small, the self-locking function will not work effectively.
Self-locking status of a worm reducer gearbox is determined by the lead, pressure, and coefficient of friction. In the early twentieth century, cars had a tendency to pull the steering toward the side with a flat tire. A worm drive reduced this tendency by reducing frictional forces and transmitting steering force to the wheel, which aids in steering and reduces wear and tear.
A self-locking worm reducer gearbox is a simple-machine with low mechanical efficiency. It is self-locking when the work at one end is greater than the work at the other. If the mechanical efficiency of a worm reducer gearbox is less than 50%, the friction will result in losses. In addition, the self-locking function is not applicable when the drive is reversed. This characteristic makes self-locking worm gears ideal for hoisting and lowering applications.
Another feature of a worm reducer gearbox is its ability to reduce axially. Worm gears can be double-lead or single-lead, and it is possible to adjust their backlash to compensate for tooth wear.

Heat generated by worm gears

Worm gears generate considerable amounts of heat. It is essential to reduce this heat to improve the performance of the gears. This heat can be mitigated by designing the worms with smoother surfaces. In general, the speed at which worm gears mesh should be in the range of 20 to 24 rms.
There are many approaches for calculating worm gear efficiency. However, no other approach uses an automatic approach to building the thermal network. The other methods either abstractly investigate the gearbox as an isothermal system or build the TNM statically. This paper describes a new method for automatically calculating heat balance and efficiency for worm gears.
Heat generated by worm gears is a significant source of power loss. Worm gears are typically characterized by high sliding speeds in their tooth contacts, which causes high frictional heat and increased thermal stresses. As a result, accurate calculations are necessary to ensure optimal operation. In order to determine the efficiency of a gearbox system, manufacturers often use the simulation program WTplus to calculate heat loss and efficiency. The heat balance calculation is achieved by adding the no-load and load-dependent power losses of the gearbox.
Worm gears require a special type of lubricant. A synthetic oil that is non-magnetic and has a low friction coefficient is used. However, the oil is only one of the options for lubricating worm gears. In order to extend the life of worm gears, you should also consider adding a natural additive to the lubricant.
Worm gears can have a very high reduction ratio. They can achieve massive reductions with little effort, compared to conventional gearsets which require multiple reductions. Worm gears also have fewer moving parts and places for failure than conventional gears. One disadvantage of worm gears is that they are not reversible, which limits their efficiency.
worm reducer

Size of worm gear reducer gearbox

Worm gear reducer gearboxes can be used to decrease the speed of a rotating shaft. They are usually designed with two shafts at right angles. The worm wheel acts as both the pinion and rack. The central cross section forms the boundary between the advancing and receding sides of the worm gear.
The output gear of a worm gear reducer gearbox has a small diameter compared to the input gear. This allows for low-speed operation while producing a high-torque output. This makes worm gear reducer gearboxes great for space-saving applications. They also have low initial costs.
Worm gear reducer gearboxes are one of the most popular types of speed reducer gearboxes. They can be small and powerful and are often used in power transmission systems. These units can be used in elevators, conveyor belts, security gates, and medical equipment. Worm gearing is often found in small and large sized machines.
Worm gears can also be adjusted. A dual-lead worm gear has a different lead on the left and right tooth surfaces. This allows for axial movement of the worm and can also be adjusted to reduce backlash. A backlash adjustment may be necessary as the worm wears down. In some cases, this backlash can be adjusted by adjusting the center distance between the worm gear.
The size of worm gear reducer gearbox depends on its function. For example, if the worm gear is used to reduce the speed of an automobile, it should be a model that can be installed in a small car.

China Nrv Nmrv Worm Gear Speed Reducer Flange Mounted Worm Reduction Gearbox     worm gearbox calculationChina Nrv Nmrv Worm Gear Speed Reducer Flange Mounted Worm Reduction Gearbox     worm gearbox calculation
editor by czh 2023-01-03