Product Description

NMRV  REDUCTION WORM GEARBOX
The NMRV 050 motor gearbox consists of a single-stage NRV 050 worm gearbox coupled to an IEC asynchronous motor. Maximum drive power – 1.5 kW. The torque on the output shaft is 17-89 N * m. The gear motor is available in 2 mounting versions (legs / flange).
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze. 
Type of lubricant: synthetic ISO VG 320. 
Weight: 3.5 kg.

Type designation scheme

NMRV – 050 – 30 – 93.3 – 0.75 – B1

  • NMRV – worm gear motor
  • 050 – size (center distance, mm)
  • 30 – gear ratio
  • 93.3 – output shaft rotation speed, rpm
  • 0.75 – electric motor power, kW
  • B1 – mounting position

NMRV 050 gearbox performance

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
%
7.5 373 58 2.50 90 187 77 1.70 88 120 89 1.30 86
10 280 56 1.90 87 140  75 1.30 85 90 88 1.00 83
15 187 60  1.40 84 93  77 0.93  81 60 89  0.71 79
20 140 63  1.10 84 70  78  0.71  81 45 91  0.55 78
25 112 62  0.88 82 56  79  0.60  77 36 90  0.46 74
30 93 56  0.72 76 47  79  0.55  71 30 87  0.40 68
40 70 68  0.67 74 35  85  0.45  69 23 93  0.34 66
50 56 59  0.51 68 28  73  0.34  63 18 86  0.27 60
60 47 52  0.44 58 23  66  0.30  53 15 72  0.23 49
80 35 47  0.30 58 18  59  0.21  53 11 75  0.17 51
100 28 42  0.23 53 14  52  0.16  48 9 61  0.13 44
  • 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 050

NMRV050 gear motor  has a wide range of gear ratios.
Gear ratios:  5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 050 gearbox

Geared NMRV050 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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agricultural gearbox

Technological Advancements in Agricultural Gearbox Design

Advancements in agricultural gearbox design have significantly improved the efficiency, durability, and performance of farming equipment. Here are some notable technological advancements:

  • Materials and Manufacturing: The use of advanced materials, such as high-strength alloys and composite materials, has enhanced the durability and longevity of gearbox components. Precision manufacturing techniques, including computer-aided design (CAD) and computer numerical control (CNC) machining, ensure tight tolerances and reliable performance.
  • Gear Tooth Design: Modern gear tooth profiles, such as optimized helical and spiral bevel gears, reduce noise, vibration, and wear. Advanced tooth design also improves power transmission efficiency and load distribution.
  • Sealing and Lubrication: Improved sealing technologies, such as double-lip seals and labyrinth seals, help prevent contaminants from entering gearboxes while retaining lubricants. Advanced lubrication systems, including automatic lubrication and improved oil formulations, extend maintenance intervals and enhance efficiency.
  • Electronic Controls: Agricultural gearboxes increasingly integrate with electronic control systems. Sensors and actuators provide real-time data on gearbox performance, allowing for condition monitoring, predictive maintenance, and adjustments to optimize machinery operation.
  • Smart Gearboxes: Some agricultural gearboxes are equipped with smart features, such as load sensors, temperature monitors, and feedback systems. These features enhance precision, safety, and overall equipment performance.
  • Hybrid Power Transmission: Integration of hybrid power transmission systems, combining internal combustion engines with electric motors, allows for more efficient power delivery and reduced fuel consumption. Gearboxes play a crucial role in managing power distribution in these systems.
  • Reduced Environmental Impact: Advancements in gear design contribute to reducing environmental impact. Quieter and more efficient gearboxes minimize noise pollution and energy consumption while meeting emissions regulations.
  • Customization and Modularity: Some modern agricultural gearboxes offer modular designs that allow farmers to customize gear ratios, output speeds, and other specifications to match specific tasks and conditions.
  • Simulation and Testing: Computer simulations and advanced testing methods, such as finite element analysis (FEA) and computational fluid dynamics (CFD), help optimize gearbox design, reduce prototyping costs, and ensure reliability before production.

These advancements collectively contribute to the evolution of agricultural gearboxes, making farming machinery more efficient, environmentally friendly, and adaptable to the changing needs of modern agriculture.

agricultural gearbox

Specific Safety Precautions for Agricultural Gearbox Operation

Operating agricultural machinery with gearboxes requires careful attention to safety to prevent accidents and ensure the well-being of operators and bystanders. Here are some specific safety precautions associated with agricultural gearbox operation:

  • Read the Manual: Familiarize yourself with the manufacturer’s manual for the specific gearbox and machinery. It provides valuable information about proper operation, maintenance, and safety guidelines.
  • Proper Training: Ensure that operators are trained in the safe operation of the machinery, including how to engage and disengage the gearbox, adjust speeds, and handle emergencies.
  • Protective Gear: Operators should wear appropriate protective gear, such as helmets, gloves, safety goggles, and sturdy footwear, to reduce the risk of injury from debris, moving parts, or other hazards.
  • Clear Workspace: Before operating the machinery, clear the area of obstacles, debris, and bystanders. Ensure a safe distance between the machinery and people.
  • Secure Attachments: If the gearbox is used in conjunction with attachments, ensure that they are properly secured and mounted according to manufacturer guidelines to prevent detachment during operation.
  • Engage Safely: Engage the gearbox and start the machinery only after ensuring that all personnel are at a safe distance and that the machinery is on stable ground.
  • Avoid Loose Clothing: Operators should avoid wearing loose clothing or accessories that could get caught in moving parts.
  • Emergency Stops: Familiarize yourself with the location of emergency stop buttons and switches on the machinery and be prepared to use them if needed.
  • Regular Maintenance: Perform routine maintenance checks on the gearbox and machinery to ensure that all components are in proper working condition. Replace worn parts and lubricate components as recommended by the manufacturer.
  • Shut Down Properly: When finishing a task, disengage the gearbox, shut off the machinery, and engage any safety locks to prevent accidental starts.

Following these safety precautions can greatly reduce the risk of accidents and injuries when operating agricultural machinery with gearboxes. Always prioritize safety to create a secure working environment for everyone involved.

agricultural gearbox

Types of Agricultural Gearboxes for Specific Tasks

Various types of agricultural gearboxes are designed to cater to specific tasks and applications in farming. These gearboxes are engineered to meet the unique requirements of different agricultural machinery and operations. Some common types of agricultural gearboxes include:

  • Rotary Mower Gearboxes: These gearboxes are used in rotary mowers and cutters. They transmit power from the tractor’s power take-off (PTO) to the blades, enabling efficient cutting of grass, crops, and vegetation.
  • Manure Spreader Gearboxes: Manure spreaders utilize specialized gearboxes to distribute manure evenly across fields. These gearboxes ensure consistent spreading of fertilizer while accommodating variable loads.
  • Harvesting Gearboxes: Gearboxes used in harvesting equipment, such as combines and harvesters, enable efficient gathering, threshing, and separating of crops from their stalks. These gearboxes handle high loads and varying operating conditions.
  • Seed Drill Gearboxes: Seed drills require gearboxes to distribute seeds accurately and at consistent intervals. These gearboxes ensure precise seed placement for optimal germination and crop growth.
  • Hay Rake Gearboxes: Hay rakes utilize gearboxes to gather and arrange hay into windrows for baling. These gearboxes help optimize the hay collection process.
  • Irrigation System Gearboxes: Agricultural irrigation systems may use gearboxes to control the movement and positioning of irrigation equipment, ensuring efficient water distribution across fields.
  • Tillage Equipment Gearboxes: Gearboxes used in tillage equipment, such as plows and cultivators, help break up soil, prepare seedbeds, and promote seedling emergence.
  • Tractor Gearboxes: Tractors may incorporate various gearboxes for tasks such as shifting gears, driving the power take-off, and operating attachments.
  • Grain Auger Gearboxes: Grain augers use gearboxes to facilitate the movement of harvested grain from one location to another, such as from a combine to a storage bin.

Each type of agricultural gearbox is designed with specific features, load capacities, and durability to suit the demands of its intended task. Manufacturers engineer these gearboxes to withstand the challenging conditions of agricultural operations while ensuring efficient and reliable performance.

China Professional Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox   with Hot selling		China Professional Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox   with Hot selling
editor by CX 2023-11-15