Merchandise Description

Nmrv75 .55kw Worm Speed Gearbox Motor Worm Travel Gearbox

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

Complex Knowledge:

Housing substance	Forged iron/Ductile iron
Housing hardness	HBS190-240
Gear substance	20CrMnTi alloy metal
Floor hardness of gears	HRC58°~62 °
Equipment core hardness	HRC33~forty
Input / Output shaft materials	42CrMo alloy steel
Input / Output shaft hardness	HRC25~thirty
Machining precision of gears	accurate grinding, 6~5 Quality
Lubricating oil	GB L-CKC220-460, Shell Omala220-460
Heat therapy	tempering, cementiting, quenching, and so on.
Effectiveness	ninety four%~96% (relies upon on the transmission phase)
Sound (MAX)	60~68dB
Temp. increase (MAX)	40°C
Temp. rise (Oil)(MAX)	50°C
Vibration	≤20µm
Backlash	≤20Arcmin
Model of bearings	China prime brand name bearing, HRB/LYC/ZWZ/C&U. Or other manufacturers requested, NSK.
Brand name of oil seal	NAK — ZheJiang or other brand names asked for

Specification

Product

Motor Enter Flange (circle)

Transmission Ratio

Electrical power (kw)

Ratio (i)

Nominal Torque (Nm)

PAM / IEC

Interior Dia.

Dis. In between Diagonal Screw Holes

Exterior Dia.

Width of Important Slot

five

seven.5

ten

15

twenty

twenty five

30

forty

50

60

80

one hundred

N

M

P

E

Diamter of Input Shaft

NMRV25

56B14

fifty

65

eighty

3

nine

–

nine

–

.06

seven.5-sixty

2.6-14

NMRV30

63B5

95

115

a hundred and forty

four

eleven

–

.06-.eighteen

seven.5-80

2.6-14

63B14

60

seventy five

90

56B5

eighty

one hundred

one hundred twenty

three

nine

–

56B14

50

65

eighty

NMRV40

71B5

110

130

a hundred and sixty

five

fourteen

–

.09-.37

7.5-100

11-fifty three

71B14

70

85

105

63B5

95

a hundred and fifteen

140

4

11

63B14

sixty

75

ninety

56B5

80

one hundred

one hundred twenty

three

–

nine

NMRV50

80B5

one hundred thirty

a hundred sixty five

200

6

19

–

.12-.75

7.5-one hundred

21-89

80B14

eighty

one hundred

a hundred and twenty

71B5

110

one hundred thirty

one hundred sixty

5

14

–

71B14

70

85

105

63B5

ninety five

a hundred and fifteen

a hundred and forty

four

–

eleven

NMRV63

90B5

130

165

200

8

24

–

.25-1.five

7.5-a hundred

56-166

90B14

ninety five

115

140

80B5

130

165

200

six

19

–

80B14

80

a hundred

one hundred twenty

71B5

a hundred and ten

one hundred thirty

a hundred and sixty

five

–

14

71B14

70

85

a hundred and five

NMRV75

100/112B5

180

215

250

eight

–

28

–

.fifty five-4

7.5-100

90-269

100/112B14

one hundred ten

a hundred thirty

160

90B5

one hundred thirty

a hundred sixty five

two hundred

eight

24

–

90B14

ninety five

one hundred fifteen

a hundred and forty

80B5

130

a hundred sixty five

200

six

–

19

80B14

eighty

100

120

71B5

a hundred and ten

one hundred thirty

a hundred and sixty

–

–

fourteen

NMRV90

100/112B5

one hundred eighty

215

250

8

–

28

–

.55-4

7.5-one hundred

one zero one-458

one hundred/112B14

one hundred ten

one hundred thirty

160

90B5

one hundred thirty

one hundred sixty five

200

eight

24

–

90B14

ninety five

one hundred fifteen

140

80B5

130

a hundred sixty five

two hundred

six

–

19

80B14

eighty

a hundred

one hundred twenty

NMRV110

132B5

230

265

300

ten

–

38

–

1.1-7.5

seven.5-a hundred

242-660

132B14

130

165

two hundred

–

one hundred/112B5

one hundred eighty

215

250

8

28

–

90B5

a hundred thirty

one hundred sixty five

two hundred

–

24

90B14

ninety five

one hundred fifteen

140

–

80B5

130

one hundred sixty five

200

–

19

NMRV130

132B5

230

265

300

10

–

38

–

2.2-7.5

7.5-100

333-1596

132B14

one hundred thirty

165

200

–

a hundred/112B5

180

215

250

8

–

28

90B5

a hundred thirty

one hundred sixty five

two hundred

–

–

24

90B14

ninety five

115

a hundred and forty

NMRV150

160B5

250

300

350

twelve

–

42

–

2.2-15

seven.5-a hundred

570-1760

132B5

230

265

three hundred

ten

–

38

–

132B14

130

a hundred sixty five

two hundred

–

100/112B5

one hundred eighty

215

250

8

–

28

Business profile

Circumstance

Packing

FAQ

Q1: I want to get your goods, how can I spend?
A: You can pay through T/T(30%+70%), L/C ,D/P and many others. 

Q2: How can you ensure the high quality?
A: 1 year’s warranty against B/L date. If you meet up with with top quality dilemma, please send out us photographs or video to check out, we promise to ship spare components or new goods to substitute. Our guarantee not contain inappropriate procedure or mistaken specification choice. 

Q3: How we select types and specifications?
A: You can email us the collection code (for example: RC series helical gearbox) as effectively as necessity details, these kinds of as motor electricity,output speed or ratio, services element or your software…as considerably knowledge as feasible. If you can supply some photographs or drawings,it is good. 

This autumn: If we do not discover what we want on your site, what need to we do?
A: We offer 3 possibilities:
one, You can electronic mail us the pictures, drawings or descriptions information. We will consider to style your merchandise on the basis of our
standard designs.
two, Our R&D division is skilled for OEM/ODM items by drawing/samples, you can send out us samples, we do tailored layout for your bulk getting.
3, We can create new goods if they have great market. We have already produced several things for special using effective, such as specific gearbox for agitator, cement conveyor, footwear machines and so on. 

Q5: Can we get 1 laptop of each and every product for top quality tests?
A: Sure, we are happy to take trial get for quality tests.

Q6: How about your item shipping time?
A: Normally for 20’container, it will take 25-thirty workdays for RV sequence worm gearbox, 35-40 workdays for helical gearmotors.

/ Piece |

20 Pieces (Min. Order)

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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:	Available |

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/ 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:	Available |

###

/**//**//**//**//**//**/

###

/**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**/

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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.
Hollow 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.
Double 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.
Brass 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.

editor by CX 2023-04-19