China Professional Nmrv/Nrv Nmrv030 Worm Gear Speed Reducer Gearbox supplier

Product Description

NMRV  REDUCTION WORM GEARBOX
The NMRV 030 single-stage worm gear motor delivers a torque of up to 24 Nm. Actual gear ratios range from 5 to 80. The motor gearbox includes a two- or four-pole asynchronous IEC standard motor with a power of 0.06 – 0.37 kW. The drive can be equipped with a reaction rod and an output flange.
Parts materials:
Housing and flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze. 
Type of lubricant: synthetic ISO VG 320. 
Weight: 1.2 kg.

Type designation scheme

NMRV – 030 – 10 – 280 – 0.37 – B2

  • NMRV – worm gear motor
  • 030 – standard size (center distance, mm)
  • 10 – gear ratio
  • 280 – output shaft rotation speed, rpm
  • 0.37 – electric motor power, kW
  • B2 – mounting position

Performance characteristics of NMRV 030 gearboxes

i 1 = 2800 rpm 1 = 1400 rpm 1 = 900, rpm
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
5 560 9 0.59 89 280 12 0.40 87 180 14 0.31 85
7.5 373 13 0.56  88 187  17 0.39 86 120 20 0.31 84
10 280  14  0.47  85 140  18  0.32  83 90  20  0.24 81
15 187  12  0.35  81 93  18  0.23  78 60  21  0.17 76
20 140  11  0.23  70 70  14  0.15  67 45  16  0.12 64
25 112  15  0.23  75 56  19  0.16  70 36  21  0.12 67
30 93  12  0.16  72 47  15  0.11  67 30  16  0.08 64
40 70  12  0.15  57 35  14  0.10  52 23  17  0.08 49
50 56  13  0.12  62 28  16  0.08  57 18  17  0.06 53
60 47  13  0.11  57 23  15  0.07  52 15  19  0.06 15
80 35  9  0.07  47 18  11  0.05  42 11  13  0.04 38
  • i– gear ratio;
  • n1 – rotational speed el. engine;
  • n2 – revolutions on the output shaft;
  • T 2M – torque on the output shaft;
  • P is the maximum allowable engine power;
  • RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.
2.Compact,convenient.
3.High efficiency,big torque.

 

Overall and mounting dimensions NMRV 030The NMRV030 motor gearbox has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80 

Output flange to NMRV 030 gearbox

Geared NMRV030 can be supplied with unilateral or bilateral output shaft. 
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

  Model  NMRV SERIES
  Single Stage  RV25-RV150
  Ratio  7.5-100
  Input Power  0.06KW-15KW
  Output Speed  14-280rpm
  Output Torque   5-1800Nm
Core parts  worm wheel,worm shaft
 Core parts material      worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
  Lubrication   RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
 Bearings  C&U

 
 
 

Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness: Hardened
Installation: Any Angle
Gear Shape: Worm Gear
Step: Single-Step
Type: Worm and Wormwheel
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Customization:
Available

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worm gearbox

Can a Worm Gearbox Be Used in Heavy-Duty Machinery?

Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:

  • High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
  • Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
  • Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
  • Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
  • Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.

However, when considering the use of a worm gearbox in heavy-duty applications, it’s important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.

Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.

worm gearbox

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

  • Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
  • High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
  • Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
  • Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
  • Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

  • Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
  • Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
  • Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
  • Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China Professional Nmrv/Nrv Nmrv030 Worm Gear Speed Reducer Gearbox   supplier China Professional Nmrv/Nrv Nmrv030 Worm Gear Speed Reducer Gearbox   supplier
editor by CX 2023-09-13

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