Tag Archives: nmrv worm gear reducer

China Professional Nmrv Worm Gear Electric Motor Speed Reducer gearbox drive shaft

Product Description

item	value
Warranty	1 year
Applicable Industries	Manufacturing Plant, Construction works , Energy & Mining, Other
Customized support	OEM
Gearing Arrangement	Worm
Output Torque	118-160N.M
Place of CHINAMFG	ZheJiang , China
Input speed	1400rpm
Output speed	14-186.7rpm
Ratio	7.5,10,15,20,25,30,40,50,60,80,100
Material	Aluminum alloy Die casting
Product name	NRV Worm Gear Reducer
MOQ	10pcs
Color	Customization

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
motor.

Q2:How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year
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Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	as for Request
Hardness:	Hardened Tooth Surface
Installation:	as for Request
Step:	as for Request

Samples:	US$ 38/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gear gearbox

How do gear reducers enhance the efficiency of conveyor systems and robotics?

Gear reducers play a significant role in improving the efficiency of both conveyor systems and robotics by optimizing speed, torque, and control. Here’s how they contribute:

Conveyor Systems:

In conveyor systems, gear reducers enhance efficiency in the following ways:

Speed Control: Gear reducers allow precise control over the rotational speed of conveyor belts, ensuring that materials are transported at the desired speed for efficient production processes.
Torque Adjustment: By adjusting gear ratios, gear reducers provide the necessary torque to handle varying loads and prevent overloading, minimizing energy wastage.
Reverse Operation: Gear reducers enable smooth bidirectional movement of conveyor belts, facilitating tasks such as loading, unloading, and distribution without the need for additional components.
Synchronization: Gear reducers ensure synchronized movement of multiple conveyor belts in complex systems, optimizing material flow and minimizing jams or bottlenecks.

Robotics:

In robotics, gear reducers enhance efficiency through the following means:

Precision Movement: Gear reducers provide precise control over the movement of robot joints and arms, enabling accurate positioning and manipulation of objects.
Reduced Inertia: Gear reducers help reduce the inertia experienced by robotic components, allowing for quicker and more responsive movements while conserving energy.
Compact Design: Gear reducers offer a compact and lightweight solution for achieving various motion profiles in robotic systems, allowing for efficient use of space and resources.
Torque Amplification: By amplifying torque from the motor, gear reducers enable robots to handle heavier loads and perform tasks that require greater force, enhancing their overall capabilities.

By providing precise speed control, torque adjustment, and reliable motion transmission, gear reducers optimize the performance of conveyor systems and robotics, leading to improved efficiency, reduced energy consumption, and enhanced operational capabilities.

gear gearbox

What maintenance practices are essential for prolonging the lifespan of gear reducers?

Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:

1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.

By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

gear gearbox

What industries and machinery commonly utilize gear reducers?

Gear reducers are widely used across various industries and types of machinery for torque reduction and speed control. Some common industries and applications include:

1. Manufacturing: Gear reducers are used in manufacturing equipment such as conveyors, mixers, and packaging machines to control speed and transmit power efficiently.
2. Automotive: They are utilized in vehicles for applications like power transmission in transmissions and differentials.
3. Aerospace: Gear reducers are used in aircraft systems, including landing gear mechanisms and engine accessories.
4. Robotics and Automation: They play a crucial role in robotic arms, CNC machines, and automated production lines.
5. Mining and Construction: Gear reducers are used in heavy machinery like excavators, bulldozers, and crushers for power transmission and torque multiplication.
6. Energy and Power Generation: Wind turbines, hydroelectric generators, and other power generation equipment use gear reducers to convert rotational speed and transmit power.
7. Marine and Shipbuilding: They are used in ship propulsion systems, steering mechanisms, and anchor handling equipment.
8. Material Handling: Gear reducers are essential in conveyor systems, elevators, and hoists for controlled movement of materials.
9. Food and Beverage: They find applications in food processing equipment like mixers, grinders, and packaging machines.
10. Paper and Pulp: Gear reducers are used in machinery for pulp processing, paper production, and printing.

These examples represent just a fraction of the industries and machinery that benefit from the use of gear reducers to optimize power transmission and achieve the desired motion characteristics.

China Professional Nmrv Worm Gear Electric Motor Speed Reducer gearbox drive shaft
editor by CX 2024-05-08

China Professional Dongye Made Nmrv Series Double Worm Gear Reducer gearbox adjustment

Product Description

Feature:1.Housing:Aluminium Alloy
2. low noise(<50DB)
3.Model:NMRV 25-150,Ratio:10 to 100
4.Efficient and safe operating
5.ISO9001,Factory price,OEM
6.Technology Data:

Type:	Double Worm Gear Reducer
Model:	NMRV25-150
Ratio:	1:10,15,20,25,30,40,50,60,80,100
Color:	Blue/Silver Or On Customer Request
Material:	Housing: Die-Cast Aluminum Alloy
	Worm Gear-Copper-10-3#
	Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
	Shaft-chromium steel-45#
Packing:	Carton and Wooden Case
Bearing:	C&U Bearing
Seal:	CHINAMFG OTHER
Warranty:	1 Year
Input Power:	0.06KW,0.09kw,0.18kw,1.1kw,1.5kw,2.2kw,3kw,4kw,5.5kw,7.5kw,11kw,15kw and so on
Usages:	Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing, Woodworking,Glass.
IEC Flange:	56B14, 63B14, 63B5, 63B5, 71B14,80B14 AND SO ON
Lubricant:	Synthetic&Mineral

Detailed Photos

FAQ

1.Q:What information should i tell you to confirm the worm gearbox?
A:Model/Size,B:Ratio and output torque, C:Power and flange type,D:Shaft Direction,E:Housing color,F:Order quantity.

2.What type of payment methods do you accept?
A:T/T,B:B/L,C:CASH,etc

3.What’s your warranty?
One year.

4.How to delivery?
A:By sea- Buyer appoints forwarder,or our sales team finds suitable forwarder for buyers.By air- Buyer offers collect express account,or our sales team fingds suitable express for buyers.(Mostly for sample) Other- We arrange to delivery goods to some place in China appointed by buyers.

5.Can you make OEM/ODM order?
Yes,we have rich experience on OEM/ODM order and like CHINAMFG Non-disclosure Agreement before sample making;

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Application:	Motor, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Coaxial
Gear Shape:	Worm Gear
Step:	Double-Step

Samples:	US$ 47/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gear gearbox

Can gear reducers be customized for specific industrial needs and requirements?

Yes, gear reducers can be customized to meet specific industrial needs and requirements. Manufacturers offer customization options to ensure that gear reducers are tailored to the unique demands of various applications:

1. Gear Ratio Selection: Gear reducers can be designed with specific gear ratios to achieve the desired speed reduction or increase, catering to the specific requirements of the machinery or equipment.

2. Shaft Configurations: Gear reducers can be configured with different shaft sizes, lengths, and orientations to fit seamlessly into existing systems or accommodate specific mounting arrangements.

3. Torque Capacity: Customized gear reducers can be designed to handle higher or lower torque loads based on the application’s operational requirements.

4. Environmental Considerations: Gear reducers can be customized with special coatings, materials, or seals to withstand harsh environments, extreme temperatures, or corrosive conditions.

5. Noise and Vibration Reduction: Custom designs can incorporate features to reduce noise and dampen vibrations, enhancing the overall operation and user experience.

6. Mounting and Connection Options: Manufacturers can adapt gear reducer designs to include specific mounting interfaces or connection methods that align with the equipment’s design.

7. Lubrication and Maintenance: Customized gear reducers can include features for easy maintenance, such as accessible lubrication points or monitoring systems.

8. Integration with Controls: Gear reducers can be customized to integrate seamlessly with control systems, sensors, or automation processes, enhancing system efficiency and performance.

By collaborating with manufacturers and providing detailed specifications, industries can obtain tailor-made gear reducers that address their specific operational needs and contribute to the success of their applications.

gear gearbox

What role do gear ratios play in optimizing the performance of gear reducers?

Gear ratios play a crucial role in optimizing the performance of gear reducers by determining the relationship between input and output speeds and torques. A gear ratio is the ratio of the number of teeth between two meshing gears, and it directly influences the mechanical advantage and efficiency of the gear reducer.

1. Speed and Torque Conversion: Gear ratios allow gear reducers to convert rotational speed and torque according to the needs of a specific application. By selecting appropriate gear ratios, gear reducers can either reduce speed while increasing torque (speed reduction) or increase speed while decreasing torque (speed increase).

2. Mechanical Advantage: Gear reducers leverage gear ratios to provide mechanical advantage. In speed reduction configurations, a higher gear ratio results in a greater mechanical advantage, allowing the output shaft to deliver higher torque at a lower speed. This is beneficial for applications requiring increased force or torque, such as heavy machinery or conveyor systems.

3. Efficiency: Optimal gear ratios contribute to higher efficiency in gear reducers. By distributing the load across multiple gear teeth, gear reducers with suitable gear ratios minimize stress and wear on individual gear teeth, leading to improved overall efficiency and prolonged lifespan.

4. Speed Matching: Gear ratios enable gear reducers to match the rotational speeds of input and output shafts. This is crucial in applications where precise speed synchronization is required, such as in conveyors, robotics, and manufacturing processes.

When selecting gear ratios for a gear reducer, it’s important to consider the specific requirements of the application, including desired speed, torque, efficiency, and mechanical advantage. Properly chosen gear ratios enhance the overall performance and reliability of gear reducers in a wide range of industrial and mechanical systems.

gear gearbox

How do gear reducers contribute to speed reduction and torque increase?

Gear reducers play a crucial role in mechanical systems by achieving speed reduction and torque increase through the principle of gear ratios. Here’s how they work:

Gear reducers consist of multiple gears with different sizes, known as gear pairs. These gears are meshed together, and their teeth interlock to transmit motion and power. The gear ratio is determined by the ratio of the number of teeth on the input gear (driver) to the number of teeth on the output gear (driven).

Speed Reduction: When a larger gear (output gear) is driven by a smaller gear (input gear), the output gear rotates at a slower speed than the input gear. This reduction in speed is proportional to the gear ratio. As a result, gear reducers are used to slow down the rotational speed of the output shaft compared to the input shaft.

Torque Increase: The interlocking teeth of gears create a mechanical advantage that allows gear reducers to increase torque output. When the input gear applies a force (torque) to the teeth, it is transmitted to the output gear with greater force due to the leverage provided by the larger diameter of the output gear. The torque increase is inversely proportional to the gear ratio and is essential for applications requiring high torque at lower speeds.

By selecting appropriate gear ratios and arranging gear pairs, gear reducers can achieve various speed reduction and torque multiplication factors, making them essential components in machinery and equipment where precise control of speed and torque is necessary.

China Professional Dongye Made Nmrv Series Double Worm Gear Reducer gearbox adjustment
editor by CX 2024-05-06

China supplier Aluminum Housing Screw Conveyor RV Series Gear Box Nmrv Worm Orthogonal Gear Reducer manufacturer

Product Description

Aluminum Housing Screw Conveyor RV Series Gear Box Nmrv Worm Orthogonal Gear Reducer

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

Main Feature

The gearbox can rotate in both directions operate and contains 1 oil filling at delivery. you will benefit from its high quality and a short delivery time.

Specification

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

Company profile

Scenario

Packing

FAQ

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

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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 \| Customized Request

gear gearbox

How do manufacturers ensure the precision of gear tooth profiles in gear reducers?

Manufacturers employ several techniques to ensure the precision of gear tooth profiles in gear reducers, which is crucial for optimal performance and efficiency:

1. Precision Machining: Gear teeth are typically machined using advanced CNC (Computer Numerical Control) machines that can achieve high levels of accuracy and repeatability. This ensures consistent gear tooth profiles across multiple components.

2. Quality Control Measures: Rigorous quality control processes, such as dimensional inspections and profile measurements, are performed at various stages of manufacturing to verify that gear tooth profiles meet the required specifications.

3. Tooth Profile Design: Engineers use specialized software and simulation tools to design gear tooth profiles with precise involute shapes and accurate dimensions. These designs are then translated into machine instructions for manufacturing.

4. Material Selection: High-quality materials with excellent wear resistance and dimensional stability are chosen to minimize the potential for deformation or inaccuracies during machining and operation.

5. Heat Treatment: Heat treatment processes, such as carburizing and quenching, are applied to enhance the surface hardness and durability of gear teeth, reducing the risk of wear and deformation over time.

6. Tooth Grinding and Finishing: After initial machining, gear teeth often undergo precision grinding and finishing processes to achieve the desired tooth profile accuracy and surface finish.

7. Post-Processing Inspection: Gear tooth profiles are inspected again after manufacturing processes to verify that the final components meet the specified tolerances and performance criteria.

8. Computer-Aided Manufacturing (CAM): CAM software is used to generate tool paths and machining instructions, enabling precise control over tool movements and material removal during gear manufacturing.

By combining these techniques and leveraging advanced manufacturing technologies, manufacturers can achieve the necessary precision in gear tooth profiles, resulting in reliable and efficient gear reducers for various industrial applications.

gear gearbox

What role do gear ratios play in optimizing the performance of gear reducers?

gear gearbox

How do gear reducers contribute to speed reduction and torque increase?

Gear reducers play a crucial role in mechanical systems by achieving speed reduction and torque increase through the principle of gear ratios. Here’s how they work:

China supplier Aluminum Housing Screw Conveyor RV Series Gear Box Nmrv Worm Orthogonal Gear Reducer manufacturer
editor by CX 2024-04-03

China Good quality Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable comer gearbox

Product Description

Worm Gear Box Assembly Gearbox wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable

How does a worm gear work?
How Worm Gears Work. An electric motor or engine applies rotational power via to the worm. The worm rotates against the wheel, and the screw face pushes on the teeth of the wheel. The wheel is pushed against the load.

Can a worm gear go both directions?
Worm drives can go either direction, but they need to be designed for it. As you can imagine, turning the worm shaft under load will create a thrust along the axis of the screw. However, if you reverse the direction the direction of thrust will reverse as well.

The basic structure of the worm gear reducer is mainly composed of the worm gear, the shaft, the bearing, the box body and its accessories. Can be divided into 3 basic structural parts: box, worm gear, bearing and shaft combination. The box is the base of all the accessories in the worm gear reducer. It is an important part that supports the fixed shaft parts, ensures the correct relative position of the transmission parts and supports the load acting on the reducer. The main function of the worm gear is to transmit the motion and power between the 2 staggered shafts.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness:	Soft Tooth Surface
Installation:	90 Degree
Layout:	Coaxial
Gear Shape:	Conical – Cylindrical Gear
Step:	Stepless

Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

gear gearbox

How do manufacturers ensure the precision of gear tooth profiles in gear reducers?

Manufacturers employ several techniques to ensure the precision of gear tooth profiles in gear reducers, which is crucial for optimal performance and efficiency:

6. Tooth Grinding and Finishing: After initial machining, gear teeth often undergo precision grinding and finishing processes to achieve the desired tooth profile accuracy and surface finish.

7. Post-Processing Inspection: Gear tooth profiles are inspected again after manufacturing processes to verify that the final components meet the specified tolerances and performance criteria.

gear gearbox

What factors should be considered when selecting the right gear reducer?

Choosing the appropriate gear reducer involves considering several crucial factors to ensure optimal performance and efficiency for your specific application:

1. Torque and Power Requirements: Determine the amount of torque and power your machinery needs for its operation.
2. Speed Ratio: Calculate the required speed reduction or increase to match the input and output speeds.
3. Gear Type: Select the appropriate gear type (helical, bevel, worm, planetary, etc.) based on your application’s torque, precision, and efficiency requirements.
4. Mounting Options: Consider the available space and the mounting configuration that suits your machinery.
5. Environmental Conditions: Evaluate factors such as temperature, humidity, dust, and corrosive elements that may impact the gear reducer’s performance.
6. Efficiency: Assess the gear reducer’s efficiency to minimize power losses and improve overall system performance.
7. Backlash: Consider the acceptable level of backlash or play between gear teeth, which can affect precision.
8. Maintenance Requirements: Determine the maintenance intervals and procedures necessary for reliable operation.
9. Noise and Vibration: Evaluate noise and vibration levels to ensure they meet your machinery’s requirements.
10. Cost: Compare the initial cost and long-term value of different gear reducer options.

By carefully assessing these factors and consulting with gear reducer manufacturers, engineers and industry professionals can make informed decisions to select the right gear reducer for their specific application, optimizing performance, longevity, and cost-effectiveness.

gear gearbox

How do gear reducers handle variations in input and output speeds?

Gear reducers are designed to handle variations in input and output speeds through the use of different gear ratios and configurations. They achieve this by utilizing intermeshing gears of varying sizes to transmit torque and control rotational speed.

The basic principle involves connecting two or more gears with different numbers of teeth. When a larger gear (driving gear) engages with a smaller gear (driven gear), the rotational speed of the driven gear decreases while the torque increases. This reduction in speed and increase in torque enable gear reducers to efficiently adapt to variations in input and output speeds.

The gear ratio is a critical factor in determining how much the speed and torque change. It is calculated by dividing the number of teeth on the driven gear by the number of teeth on the driving gear. A higher gear ratio results in a greater reduction in speed and a proportionate increase in torque.

Planetary gear reducers, a common type, use a combination of gears including sun gears, planet gears, and ring gears to achieve different speed reductions and torque enhancements. This design provides versatility in handling variations in speed and torque requirements.

In summary, gear reducers handle variations in input and output speeds by using specific gear ratios and gear arrangements that enable them to efficiently transmit power and control motion characteristics according to the application’s needs.

China Good quality Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable comer gearbox
editor by CX 2024-02-24

China Custom Nmrv Nrv Worm Gear Speed Reduction Gearbox Reducer manufacturer

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 090 worm gear motor is an angular drive in which the input and output shafts are at right angles to each other. A gearbox with 1 gear stage provides gear ratios of 7.5 – 100. Electric motor power: 0.37 – 4 kW. The drive can be mounted in an arbitrary spatial position. Mounting options: flange or feet.
The unified mounting dimensions provide the NMRV 090 gearmotor interchangeability with Varvel SRT 85, STM UMI 90, SITI MU90 units.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze.
Type of lubricant: synthetic ISO VG 320.
Weight: 13 kg.

Type designation scheme

NMRV – 090 – 30 – 93.3 – 2.2 – B7

NMRV – worm gear motor
090 – size (center distance, mm)
30 – gear ratio
93.3 – output shaft rotation speed, rpm
2.2 – electric motor power, kW
B7 – mounting position

NMRV 090 gearbox performance

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	267	11.20	93	187	363	7.80	91	120	432	6.10	89
10	280	266	8.80	92	140	368	6.00	90	90	430	4.60	88
15	187	303	6.59	90	93	393	4.40	87	60	460	3.40	85
20	140	312	5.20	88	70	405	3.50	85	45	470	2.70	82
25	112	326	4.40	87	56	406	2.90	82	36	482	2.30	79
30	93	314	3.60	85	47	374	2.30	80	30	466	1.90	77
40	70	358	3.20	82	35	441	2.10	77	23	492	1.60	74
50	56	319	2.40	78	28	398	1.60	73	18	483	1.30	70
60	47	303	2.00	74	23	372	1.30	69	15	414	1.00	65
80	35	264	1.40	69	18	306	0.90	64	11	378	0.70	62
100	28	233	1.10	62	14	272	0.70	57	9	281	0.50	53

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 090

NMRV090 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 090 gearbox

Geared NMRV090 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) \| Request Sample

Customization:	Available \| Customized Request

gear gearbox

Can you provide real-world examples of products that use gear reducer technology?

Certainly! Gear reducer technology is widely used in various industries and products to enhance performance and efficiency. Here are some real-world examples:

1. Industrial Machinery: Gear reducers are commonly used in manufacturing machinery, such as conveyor systems, material handling equipment, and assembly lines, where they help control speed and torque for precise operations.

2. Wind Turbines: Wind turbines utilize gear reducers to transform the low rotational speed of the wind turbine rotor into the higher speed needed for electricity generation, optimizing energy conversion.

3. Automotive Transmissions: Automobiles use gear reducers as part of their transmissions to optimize power delivery from the engine to the wheels, allowing the vehicle to operate efficiently at different speeds.

4. Robotics: Robotic systems rely on gear reducers to control the movement and articulation of robot arms, enabling precise and controlled motion for various applications.

5. Printing Presses: Gear reducers are integral to printing presses, ensuring accurate and synchronized movement of printing plates, rollers, and paper feed mechanisms.

6. Conveyor Belts: Conveyor systems in industries like mining, agriculture, and logistics use gear reducers to regulate the movement of materials along the conveyor belts.

7. Packaging Machinery: Gear reducers play a crucial role in packaging machines, controlling the speed and movement of packaging materials, filling mechanisms, and sealing components.

8. Cranes and Hoists: Cranes and hoists rely on gear reducers to lift heavy loads with precision and control, ensuring safe and efficient material handling.

9. Pumps and Compressors: Gear reducers are utilized in pumps and compressors to regulate fluid flow and pressure, optimizing energy usage in fluid transportation systems.

10. Agriculture Equipment: Tractors and other agricultural machinery use gear reducers to adjust the speed and power delivery for different tasks, such as plowing, planting, and harvesting.

These examples demonstrate the diverse applications of gear reducer technology across various industries, showcasing their role in enhancing efficiency, control, and performance in a wide range of products and systems.

gear gearbox

What maintenance practices are essential for prolonging the lifespan of gear reducers?

Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:

1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.

By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

gear gearbox

Are there variations in gear reducer designs for specific tasks and applications?

Yes, gear reducer designs vary widely to suit specific tasks and applications across various industries. Manufacturers offer a range of gear reducer types and configurations to accommodate different requirements, including:

Helical Gear Reducers: These are versatile and provide smooth and efficient torque transmission. They are commonly used in applications requiring high precision and moderate speed reduction, such as conveyors, mixers, and agitators.
Bevel Gear Reducers: These are ideal for transmitting power between intersecting shafts. They are often used in heavy machinery, printing presses, and automotive applications.
Worm Gear Reducers: These provide compact solutions and are suitable for applications with higher speed reduction requirements, such as conveyor systems, winches, and elevators.
Planetary Gear Reducers: These offer high torque density and are used in applications demanding precise control, such as robotics, aerospace, and heavy-duty machinery.
Parallel Shaft Gear Reducers: Commonly used in industrial machinery, these reducers are designed for high torque and reliability.
Right-Angle Gear Reducers: These are used when space limitations require a change in shaft direction, commonly found in packaging equipment and conveyors.

Each type of gear reducer has unique features and benefits that make it suitable for specific tasks. Manufacturers often provide customization options to tailor gear reducers to the precise requirements of an application, including gear ratios, mounting options, and input/output configurations.

Therefore, the variation in gear reducer designs allows industries to select the most appropriate type based on factors such as torque, speed, space constraints, precision, and environmental conditions.

China Custom Nmrv Nrv Worm Gear Speed Reduction Gearbox Reducer manufacturer
editor by CX 2023-10-07

China OEM Cheap Wholesale Nmrv Series Transmission DC Motor Ratio 12 Worm Gear Speed Reducer wholesaler

Product Description

Product description

Cheap Wholesale NMRV Series Transmission DC Motor Ratio 12 Worm Gear Speed Reducer

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

NMRV571

Weight without motor:0.7kg

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

NMRV030

Weight without motor:1.2kg

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

NMRV040 Output

D H8

(19)

(6)

20.8

(21.8)

(..)Only on request

Weight without motor:2.3kg

Input size (Pm, Dm, bm, tm)

NMRV110

Weight without motor: 35kg
Input size: (Pm, Dm, bm, tm)

NMRV130

Weight without motor: 48kg
Input size: (Pm, Dm, bm, tm)

NMRV150

Weight without motor: 87.8kg
Input size: (Pm, Dm, bm, tm)

Features:

1) Aluminum alloy die-casted gearbox
2) Compact structure saves mounting space
3) Highly accurate
4) Runs CHINAMFG and backward
5) High overload capacity
6) Stable transmission with reduced vibration and noise

Characteristics:

1. High quality aluminum alloy quadrate case .
2. High efficiency.
3. Small size, compact constructure and light weight.
4. Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio.

Technical Data:

1. Input power: 0.06kW-15kW
2. Output torque: 7.8-1195N.m
3. Speed ratio: (5-100) 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
4. Adapt for IEC, NEMA, SERVO
Materials:
1. From RV25 up to RV105: Aluminium alloy housing.
2. From RV110 to RV150: Cast iron housing.
3. Seal: CHINAMFG Seal from ZheJiang
4. Bearing :homemade Bearing
Color:
1. RAL5571
2. Blue
3. Silver
Quality control:
1.Quality guarantee: 1 year
2.Certificate of quality: ISO9001:2008
3.Every product must be tested before packing

General Technical data:

Size number:25,30,40,50,63,75,90,110,130,150

Ratio:1/100-1/5000

Color:blue,silver,RAL5571 color
Material:housing -casting iron- HT200-250#/aluminum worm gear-KK alloy worm-20CrMnTi with carburizing and quenching,surface hardness is 58-62HRC shaft-chromium steel-45#
Packing: Inner pack: use plastic bag a Inner pack: use plastic bag and foam box, outer pack: carton or wooden case 1set/bag/carton or based on customer’s requestbearing: CHINAMFG & Homemade bearing
Seal: CHINAMFG seal from ZheJiang
Input power: 0.25kw,0.37kw,0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw
Lubricant:Synthetic & Mineral
IEC flange:56B5,63B5,71B5,80B5,90B5,100B5,112B5,132B5
Output form: CHINAMFG shaft,hollow shaft weight: 0.7-87.8KGSapplication: In industrial machine:food Stuff,ceramics,chemical,packing,printing,dyeing,woodworking,glass and plastics
Warranty:1 year

Recommend product

Right Angle Worm Gear Box

Gear Reducers For Belt Conveyor

Speed Worm Gear Reducer

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

Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we’ll check.

Shipping Cost: Estimated freight per unit.	To be negotiated

Material:	Aluminum
Input Speed:	1400 R/Min
Warranty:	1 Year

Customization:	Available \| Customized Request

gear gearbox

What are the considerations for choosing the appropriate lubrication for gear reducers?

Choosing the appropriate lubrication for gear reducers is crucial for ensuring optimal performance, longevity, and efficiency. Several considerations should be taken into account when selecting the right lubrication:

1. Load and Torque: The magnitude of the load and torque transmitted by the gear reducer affects the lubrication’s viscosity and film strength requirements. Heavier loads may necessitate higher viscosity lubricants.

2. Operating Speed: The speed at which the gear reducer operates impacts the lubrication’s ability to maintain a consistent and protective film between gear surfaces.

3. Temperature Range: Consider the temperature range of the operating environment. Lubricants with suitable viscosity indexes are crucial to maintaining performance under varying temperature conditions.

4. Contaminant Exposure: If the gear reducer is exposed to dust, dirt, water, or other contaminants, the lubrication should have proper sealing properties and resistance to contamination.

5. Lubrication Interval: Determine the desired maintenance interval. Some lubricants require more frequent replacement, while others offer extended operational periods.

6. Compatibility with Materials: Ensure that the chosen lubricant is compatible with the materials used in the gear reducer, including gears, bearings, and seals.

7. Noise and Vibration: Some lubricants have properties that can help reduce noise and dampen vibrations, improving the overall user experience.

8. Environmental Impact: Consider environmental regulations and sustainability goals when selecting lubricants.

9. Manufacturer Recommendations: Follow the manufacturer’s recommendations and guidelines for lubrication type, viscosity grade, and maintenance intervals.

10. Monitoring and Analysis: Implement a lubrication monitoring and analysis program to assess lubricant condition and performance over time.

By carefully evaluating these considerations and consulting with lubrication experts, industries can choose the most suitable lubrication for their gear reducers, ensuring reliable and efficient operation.

gear gearbox

What factors should be considered when selecting the right gear reducer?

Choosing the appropriate gear reducer involves considering several crucial factors to ensure optimal performance and efficiency for your specific application:

1. Torque and Power Requirements: Determine the amount of torque and power your machinery needs for its operation.
2. Speed Ratio: Calculate the required speed reduction or increase to match the input and output speeds.
3. Gear Type: Select the appropriate gear type (helical, bevel, worm, planetary, etc.) based on your application’s torque, precision, and efficiency requirements.
4. Mounting Options: Consider the available space and the mounting configuration that suits your machinery.
5. Environmental Conditions: Evaluate factors such as temperature, humidity, dust, and corrosive elements that may impact the gear reducer’s performance.
6. Efficiency: Assess the gear reducer’s efficiency to minimize power losses and improve overall system performance.
7. Backlash: Consider the acceptable level of backlash or play between gear teeth, which can affect precision.
8. Maintenance Requirements: Determine the maintenance intervals and procedures necessary for reliable operation.
9. Noise and Vibration: Evaluate noise and vibration levels to ensure they meet your machinery’s requirements.
10. Cost: Compare the initial cost and long-term value of different gear reducer options.

gear gearbox

Are there variations in gear reducer designs for specific tasks and applications?

Helical Gear Reducers: These are versatile and provide smooth and efficient torque transmission. They are commonly used in applications requiring high precision and moderate speed reduction, such as conveyors, mixers, and agitators.
Bevel Gear Reducers: These are ideal for transmitting power between intersecting shafts. They are often used in heavy machinery, printing presses, and automotive applications.
Worm Gear Reducers: These provide compact solutions and are suitable for applications with higher speed reduction requirements, such as conveyor systems, winches, and elevators.
Planetary Gear Reducers: These offer high torque density and are used in applications demanding precise control, such as robotics, aerospace, and heavy-duty machinery.
Parallel Shaft Gear Reducers: Commonly used in industrial machinery, these reducers are designed for high torque and reliability.
Right-Angle Gear Reducers: These are used when space limitations require a change in shaft direction, commonly found in packaging equipment and conveyors.

China OEM Cheap Wholesale Nmrv Series Transmission DC Motor Ratio 12 Worm Gear Speed Reducer wholesaler
editor by CX 2023-09-15

China best Cast Iron Gearbox Aluminum Housing Transmission Gear Motor Nmrv Wp Worm Gear Reducer Helical Gear Cyclo Planetary Gearbox Speed Reducer with Good quality

Product Description

Cast Iron Gearbox Aluminum Housing Transmission Gear Motor NMRV WP Worm Gear Reducer Helical Gear Cyclo Planetary Gearbox Speed Reducer

Features:
1. Compact structure and simple assembly;
2. Wide speed ranges and high torque;
3. Low noise, good sealing performance, high efficiency;
4. Stable and safe, long lifetime, universal;
5. Multi-structure, various assembling methods

Specification:

ANG WP Worm Speed Gear Unit
Model	WPA WPS WPDA WPDS WPO WPX…
Size	40-250(single-stage)
Input power	0.12kw ~ 33kw
Input speed	750rpm ~ 2000rpm
Reduction ratio	1/10 ~ 1/60(single-stage)
Input motor	AC (1 phase or 3 phase) / DC motor
Output torque	6-6050Nm
Install type	Foot / CZPT shaft / Hollow shaft…
Material of housing	Die-cast iron
Application	Food Stuff, Ceramics, Chemical, Packing, Dyeing, Woodworking, Glass, etc.

FAQ
Q: Can you make the gear unit with customization?
A: Yes, we can customize per your request, like flange, shaft, configuration, material, etc.

Q: Do you provide samples?
A: Yes. The sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What’s your lead time?
A: Standard products need 5-30days, a bit longer for customized products.

Q: Do you provide technical support?
A: Yes. Our company have design and development team, we can provide technical support if you
need.

Q: How to ship to us?
A: It is available by air, or by sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.

Q: How can I know the product is suitable for me?
A: >1^ST confirm drawing and specification >2^nd test sample >3^rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours.

Application:	Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Right Angle
Gear Shape:	Cylindrical Gear
Step:	Single-Step

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request