Product Description
High Rpm RV series Aluminum Alloy Worm Gear box NMRV 571-150 Reducer Variable Wheel Drive Speed Reduction Worm Gearbox
Product Parameters
Editing and broadcasting of main materials
1. Body, die-casting aluminum alloy;
2. Worm shaft, 20 Crq steel, high temperature treatment;
3. Worm gear, nickel bronze alloy;
4. Aluminum alloy body, sandblasting and surface anti-corrosion treatment;
5. Cast iron body, painted with bIu RA5571.
Regular center distance specification editing and broadcasting
Center distance: 130 (unit: mm).
Output hole/shaft diameter: 11, 14, 18, 25, 28, 35, 42, 45 (unit: mm)
Products Description
NMRV worm gearbox reducer is a commodity with sophisticated design and continuous improvements, its main features are made of high quality aluminum alloy, light weight and non-rusting, larget output toque, smooth running and low noise, high radiating efficiency, good looking apprearance, derable service life, small volume and suitable for all mounting positions.
Feature
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.
contact-info.html
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Model |
NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150 |
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Ratio |
5,7.5,10,15,20,25,30,40,50,60,80,100 |
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Output Torque |
1.8-1760Nm |
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Application |
Machinery Industry |
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Input Speed |
900-2800RPM |
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Output Speed |
10-250RPM |
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Material |
Housing: Size 25-110 Is Aluminum Alloy, Size 110-150 Is Cast-Iron |
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Worm Wheel: ZCuSn10Pb1 |
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Worm:20Cr |
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Pinion:Tin Bronze |
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Output Shaft: Steel-45# |
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IEC Flange |
IEC Standard Flange Or On Customer Request |
Detailed Photos
Exploded View:
About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZheJiang province.
Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
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| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | 90 Degree |
| Layout: | Expansion |
| Gear Shape: | Bevel Gear |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | |
|---|
editor by CX 2024-02-09
China High Quality Marine Reduction Gear Box differential gearbox
Product Description
Maritime Equipment Box Product Assortment Observe
Δ Perform : ahead and reverse ,depart-joint, sluggish down and characterized by the thrust of propeller.
Maritime Equipment box and Main Engine composed of Maritime Electrical power Unit.
Δ Transmission potential:
in the chart “Transmission Ability”means the ratio of Engine’s steady ranking and rated pace
When you pick the Reduction Gear Ratio and Transmission Capability its numeric should be considerably less
than its shown in the Chart.
Δ The link of gear box and motor shafting is not permitted to adopt rigid coupling.
If the motor was installed in the elastic help, Equipment box set up on the rigid assistance,
pls speak to with us to choose suitable high elastic coupling.
Δ Listed here we detailed some specialized parameters for reference only
Δ Weight are approx
| Reduction ratio(i) | two.03 2.fifty nine 3.04 3.sixty two 4.11 | 4.65 | five.06 | five.47 | 5.eighty one |
| Transmission Potential(kw/rpm) | .10 | .093 | .088 | .077 | .70 |
| Rated propeller thrust: 29.4 KN | Center distance:225mm | ||||
| When forward operating,the diversion of input shaft and output shaft : opposite | Housing:6135Ca SAE 1 | ||||
| Operation: drive pull versatile shaft(recommended use) electronic handle |
Flywheel: 6135Ca SAE 14 | ||||
| L*W*H:578×792×830mm | Net weight:450kg | ||||
Quality IS OUR Lifestyle.
IF YOU ARE Fascinated IN OUR Merchandise, You should Come to feel FRE E TO Get in touch with ME
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Application: | Machinery, Marine |
|---|---|
| Function: | Change Drive Direction, Speed Changing |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Oscillating Base Type |
| Step: | Four-Step |
###
| Customization: |
Available
|
|---|
###
| Reduction ratio(i) | 2.03 2.59 3.04 3.62 4.11 | 4.65 | 5.06 | 5.47 | 5.81 |
| Transmission Capacity(kw/rpm) | 0.10 | 0.093 | 0.088 | 0.077 | 0.70 |
| Rated propeller thrust: 29.4 KN | Center distance:225mm | ||||
| When ahead running,the diversion of input shaft and output shaft : contrary | Housing:6135Ca SAE 1 | ||||
| Operation: push pull flexible shaft(recommended use); electronic control; |
Flywheel: 6135Ca SAE 14 | ||||
| L*W*H:578×792×830mm | Net weight:450kg | ||||
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Application: | Machinery, Marine |
|---|---|
| Function: | Change Drive Direction, Speed Changing |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Oscillating Base Type |
| Step: | Four-Step |
###
| Customization: |
Available
|
|---|
###
| Reduction ratio(i) | 2.03 2.59 3.04 3.62 4.11 | 4.65 | 5.06 | 5.47 | 5.81 |
| Transmission Capacity(kw/rpm) | 0.10 | 0.093 | 0.088 | 0.077 | 0.70 |
| Rated propeller thrust: 29.4 KN | Center distance:225mm | ||||
| When ahead running,the diversion of input shaft and output shaft : contrary | Housing:6135Ca SAE 1 | ||||
| Operation: push pull flexible shaft(recommended use); electronic control; |
Flywheel: 6135Ca SAE 14 | ||||
| L*W*H:578×792×830mm | Net weight:450kg | ||||
Types of Gearboxes
There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
planetary gearbox
The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?
helical gearbox
The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
helical gear reducer
A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
Continuously variable transmission
A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.
editor by czh 2022-12-30