Product Description
Planetary Gearbox gear speed reducer motor winch track wheel drive system reduction transmission epicyclic inline precision precision nema 34 gearbox
Application of Planetary Gearbox
Planetary gearboxes are used in a wide variety of applications, including:
- Automotive: Planetary gearboxes are used in a variety of automotive applications, such as the transmission, differential, and axles.
 - Industrial: Planetary gearboxes are used in various industrial applications, such as pumps, compressors, and generators.
 - Marine: Planetary gearboxes are used in various marine applications, such as the engine, transmission, and propeller shaft.
 - Agricultural: Planetary gearboxes are used in various agricultural applications, such as tractors, harvesters, and balers.
 - Construction: Planetary gearboxes are used in various construction applications, such as excavators, bulldozers, and cranes.
 - Robotics: Planetary gearboxes are used in a variety of robotic applications, such as manipulators, end effectors, and mobile platforms.
 - Aerospace: Planetary gearboxes are used in various aerospace applications, such as landing gear, flight controls, and navigation systems.
 - Medical: Planetary gearboxes are used in various medical applications, such as surgical robots, endoscopes, and pacemakers.
 - Other: Planetary gearboxes are also used in various other applications, such as in the food processing, packaging, and textile industries.
 
Planetary gearboxes are a versatile and efficient type of gearbox that can be used in various applications. They are compact, lightweight, and have a high power-to-weight ratio. They are also relatively quiet and have a long service life.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car | 
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase | 
| Layout: | Three-Ring | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Torque Arm Type | 
| Step: | Stepless | 
| Samples: | 
 
                                        US$ 9999/Piece 
1 Piece(Min.Order)                                         |  | 
|---|

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes
Coaxial and parallel shaft arrangements refer to the orientation of the input and output shafts in a planetary gearbox:
- Coaxial Shaft Arrangement: In this arrangement, the input and output shafts are aligned along the same axis, with one shaft passing through the center of the other. This design results in a compact and space-efficient gearbox, making it suitable for applications with limited space. Coaxial planetary gearboxes are commonly used in scenarios where the gearbox needs to be integrated into a compact housing or enclosure.
 - Parallel Shaft Arrangement: In a parallel shaft arrangement, the input and output shafts are positioned parallel to each other but not on the same axis. Instead, they are offset from each other. This configuration allows for greater flexibility in designing the layout of the gearbox and the surrounding machinery. Parallel shaft planetary gearboxes are often used in applications where the spatial arrangement requires the input and output shafts to be positioned in different locations.
 
The choice between a coaxial and parallel shaft arrangement depends on factors such as available space, mechanical requirements, and the desired layout of the overall system. Coaxial arrangements are advantageous when space is limited, while parallel arrangements offer more design flexibility for accommodating various spatial constraints.

Advantages of Backlash Reduction Mechanisms in Planetary Gearboxes
Backlash reduction mechanisms in planetary gearboxes offer several advantages that contribute to improved performance and precision:
Improved Positioning Accuracy: Backlash, or the play between gear teeth, can lead to positioning errors in applications where precise movement is crucial. Reduction mechanisms help minimize or eliminate this play, resulting in more accurate positioning.
Better Reversal Characteristics: Backlash can cause a delay in reversing the direction of motion. With reduction mechanisms, the reversal is smoother and more immediate, making them suitable for applications requiring quick changes in direction.
Enhanced Efficiency: Backlash can lead to energy losses and reduced efficiency due to the impacts between gear teeth. Reduction mechanisms minimize these impacts, improving overall power transmission efficiency.
Reduced Noise and Vibration: Backlash can contribute to noise and vibration in gearboxes, affecting both the equipment and the surrounding environment. By reducing backlash, the noise and vibration levels are significantly decreased.
Better Wear Protection: Backlash can accelerate wear on gear teeth, leading to premature gearbox failure. Reduction mechanisms help distribute the load more evenly across the teeth, extending the lifespan of the gearbox.
Enhanced System Stability: In applications where stability is crucial, such as robotics and automation, backlash reduction mechanisms contribute to smoother operation and reduced oscillations.
Compatibility with Precision Applications: Industries such as aerospace, medical equipment, and optics require high precision. Backlash reduction mechanisms make planetary gearboxes suitable for these applications by ensuring accurate and reliable motion.
Increased Control and Performance: In applications where control is critical, such as CNC machines and robotics, reduction mechanisms provide better control over the motion and enable finer adjustments.
Minimized Error Accumulation: In systems with multiple gear stages, backlash can accumulate, leading to larger positioning errors. Reduction mechanisms help minimize this error accumulation, maintaining accuracy throughout the system.
Overall, incorporating backlash reduction mechanisms in planetary gearboxes leads to improved accuracy, efficiency, reliability, and performance, making them essential components in precision-driven industries.

Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes
The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).
1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.
2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.
The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.
It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.


editor by CX 2023-11-15
China supplier NEMA 34 Stepper Motor Low Price Double Stages Planetary Gearbox compound planetary gearbox
Product Description
Product Description
HPS is a leading manufacturer and supplier of planetary gearbox and gear motor in China, Our company covers an area of 6 pcs. Meanwhile, all 6 production lines strictly comply with ISO 9001 and CE to control the quality. wide-range series products have been exported to 30+ countries all over the world. 
Besides, we are making great efforts to customize and provide complete solutions to meet different clients’ requirements and market. Our R&D team has 15 years experience in this field, makes our company honored with many invention patents and utility patents,  which makes CZPT the most trustable and reliable manufacturer.
| SPECIFICATIONS | STAGE | RATIO | RATED TORQUE (N.m) | ||
| SPLF90-L2MB Planetry Gearbox | L2 | 16 | 90 | ||
| 20 | 90 | ||||
| 25 | 100 | ||||
| 28 | 90 | ||||
| 35 | 100 | ||||
| 40 | 90 | ||||
| 50 | 100 | ||||
| 70 | 70 | ||||
| Adapted motor | ∅14-40(30)/ ∅73-3/F69.6-M5 | ||||
| Rated Input Speed (rpm) | 3000 | ||||
| Max Input Speed (rpm) | 6000 | ||||
| Backlash | L2 | ≤15 Arcmin | |||
| Fault stop torque(N.m) | 2 times of rated torque | ||||
| Efficiency | L2 | 94% | |||
| Average life span | 20000h | ||||
| Operating temperature | -10°~+90° | ||||
| Nosie | ≤55 db | ||||
| IP | 54 | ||||
| Installation method | Any installation method | ||||
Production & Test Equipments
Exhibition
HPS attends 5-6 exhibitions every year, both solar PV exhibitions and automation industry exhibitions, professional sales team and quality products build CZPT a good reputation in the market.
Certificates
Successful Projects
Packaging & Shipping
FAQ
Q1:Which areas are your products mainly used in?
A:At present, we have 2 main products: precision planetary gear reducer and solar geared motor. Most of the precision planetary reducers are used in automation fields, such as medical equipment, 3D printers, door openers, tapping machines, CNC lathes and a series of automation equipment. In addition, our solar geared motors are used in photovoltaic power generation projects, which are mainly combined with rotary drives to drive solar panels to track sunlight.
Q2: How to choose the suitable planetary gearbox?
A :First of all, we need you to be able to provide relevant parameters. If you have a motor drawing, it will let us recommend a suitable gearbox for you faster. If not, we hope you can provide the following motor parameters: output speed, output torque, voltage, current, IP, noise, operating conditions, motor size and power, etc.
Q3: What is the price ?
A : The main determining factor for the price of each product is the order volume. You can communicate with us and let us understand each other. I believe that our prices, product quality and our services can definitely make you satisfied.
Q4: Do you provide customized service?
A: Yes, we provide customized services. You only need to put CZPT your needs, and we will do our best to provide you with a plan, make plans, and try our best to meet your needs.
| Application: | Motor, Machinery, Marine, Agricultural Machinery | 
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction | 
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Any Type | 
| Step: | Double-Step | 
| Samples: | 
 
                                        US$ 80/Piece 
1 Piece(Min.Order)                                         |  | 
|---|
| Customization: | 
 
                                            Available
                                         
| Customized Request  | 
|---|

Benefits of a Planetary Gearbox With Output Shaft
The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
Planetary gearboxes
Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!
Planetary gears
A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.
Planetary gearboxes with output shaft
For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
Planetary gearboxes with carrier
A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.
Planetary gearboxes with traction
Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.
Planetary gearboxes with electric motors
If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.
Planetary gearboxes with hydraulic motors
A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
Planetary gearboxes with combustion engines
There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.


editor by CX 2023-05-15
China High Precision High Torque NEMA 34 Stepper Motor Planetary Gearbox small planetary gearbox
Solution Description
Substantial Precision Substantial Torque 400W Stepper Motor Planetary Gearbox
This helical planetary gearbox is utilised for servo motor and related device which want to minimize pace or enlarge torque! CZPT helical planetary gearboxes exterior diameter from sixty to one hundred sixty, equipment ratio from 3 to 100! It has higher precision and are commonly employed with servo motor this kind of like Panasonnic,Fuji, Mitsubishi, Omran,Delta, Teco.
Merchandise Introduction :
1.Gap output composition,effortless set up
2.Round flange output,threaded reverse relationship,normal measurement
three.The output technical specs are total and there are a lot of selections
4.Straight transmission,solitary cantilever structurer,design basic,large expense efficiency
five.Keyway can be opened in the power shaft
6.Secure procedure,minimal noise
7.Measurement range:60-one hundred sixty
eight.Ratio variety:3-a hundred
nine.Precision backlash:8-16arcmin
ten.Support customized according to drawings or samples
Item Parameters
| Specifications | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Quit Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | one thousand | 1500 | ||
| Torsional Rigidity | Nm/arcmin | one.8 | 4.seven | 4.eighty five | eleven | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Pace | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Daily life Time | h | 20000 | ||||||
| Efficiency Of Complete Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 | 
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Desk | L1 | 3 | Kg*cm2 | .forty six | .seventy seven | 1.73 | twelve.seventy eight | 36.72 | 
| four | Kg*cm2 | .forty six | .seventy seven | one.73 | twelve.seventy eight | 36.seventy two | ||
| 5 | Kg*cm2 | .forty six | .77 | 1.seventy three | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | .forty one | .sixty five | one.forty two | eleven.38 | 34.02 | ||
| ten | Kg*cm2 | .41 | .sixty five | one.42 | 11.38 | 34.02 | ||
| L2 | twelve | Kg*cm2 | .44 | .seventy two | 1.49 | twelve.18 | 34.24 | |
| 15 | Kg*cm2 | .forty four | .seventy two | one.forty nine | twelve.18 | 34.24 | ||
| sixteen | Kg*cm2 | .seventy two | .seventy two | 1.forty nine | 12.eighteen | 34.24 | ||
| 20 | Kg*cm2 | .forty four | .seventy two | 1.49 | twelve.18 | 34.24 | ||
| 25 | Kg*cm2 | .forty four | .seventy two | one.forty nine | twelve.eighteen | 34.24 | ||
| 28 | Kg*cm2 | .forty four | .72 | 1.forty nine | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | .forty four | .seventy two | 1.forty nine | twelve.eighteen | 34.24 | ||
| 35 | Kg*cm2 | .forty four | .seventy two | 1.49 | 12.eighteen | 34.24 | ||
| 40 | Kg*cm2 | .forty four | .72 | one.49 | 12.18 | 34.24 | ||
| fifty | Kg*cm2 | .34 | .fifty eight | one.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | .34 | .fifty eight | 1.25 | eleven.48 | 34.02 | ||
| one hundred | Kg*cm2 | .34 | .58 | 1.25 | eleven.48 | 34.02 | ||
| Complex Parameter | Amount | Ratio | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | fifty | ninety six | 161 | 364 | 
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | forty | ninety | 122 | 210 | 423 | ||
| seven | Nm | 34 | 48 | ninety five | one hundred seventy | 358 | ||
| ten | Nm | sixteen | 22 | fifty six | 86 | 210 | ||
| L2 | twelve | Nm | 27 | 50 | ninety six | 161 | 364 | |
| fifteen | Nm | 27 | fifty | ninety six | 161 | 364 | ||
| 16 | Nm | 40 | ninety | 122 | 210 | 423 | ||
| twenty | Nm | forty | 90 | 122 | 210 | 423 | ||
| 25 | Nm | forty | 90 | 122 | 210 | 423 | ||
| 28 | Nm | forty | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | ninety six | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| forty | Nm | 40 | ninety | 122 | 210 | 423 | ||
| fifty | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | a hundred and seventy | 358 | ||
| one hundred | Nm | sixteen | 22 | fifty six | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | .ninety five | 2.27 | three.06 | 6.93 | 15.five | |
| L2 | kg | one.2 | two.8 | 3.86 | 8.ninety eight | 17 | ||
Firm Profile
Packaging & Shipping
1. Guide time: ten-fifteen times as usual, 30 days in hectic year, it will be based on the detailed get amount
2. Shipping and delivery: DHL/ TNT/ UPS/ EMS/ FEDEX
FAQ
1. who are we?
Hefa Group is based mostly in ZheJiang , China, start off from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,and many others
two. how can we ensure good quality?
Always a pre-production sample before mass manufacturing
Constantly last Inspection just before shipment
3.how to choose the suitable planetary gearbox?
1st of all,we want you to be CZPT to provide pertinent parameters.If you have a motor drawing,it will enable us advise a suited gearbox for you more rapidly.If not,we hope you can supply the subsequent motor parameters:output pace,output torque,voltage,existing,ip,sounds,working problems,motor measurement and electrical power,and so forth
4. why need to you get from us not from other suppliers?
We are a 22 several years ordeals maker on generating the gears, specializing in production all kinds of spur/bevel/helical gear, grinding gear, equipment shaft, timing pulley, rack, planetary equipment reducer, timing belt and these kinds of transmission gear components
5. what solutions can we supply?
Accepted Supply Conditions: Fedex,DHL,UPS
Accepted Payment Forex:USD,EUR,HKD,GBP,CNY
Acknowledged Payment Kind: T/T,L/C,PayPal,Western Union
Language Spoken:English,Chinese,Japanese
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery | 
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction | 
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Step: | Single-Step | 
###
| Samples: | 
 
                                        US$ 60/Piece 
1 Piece(Min.Order)  | 
|---|
###
| Customization: | 
 
                                            Available
                                         
 | 
|---|
###
| Specifications | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | 1000 | 1500 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.7 | 4.85 | 11 | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Life Time | h | 20000 | ||||||
| Efficiency Of Full Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 | 
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | 
| 4 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 5 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| 10 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | |
| 15 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 16 | Kg*cm2 | 0.72 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 20 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 25 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 28 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 35 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 40 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 50 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 100 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| Technical Parameter | Level | Ratio | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | 50 | 96 | 161 | 364 | 
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 7 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 10 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| L2 | 12 | Nm | 27 | 50 | 96 | 161 | 364 | |
| 15 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 16 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 20 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 25 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 28 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 40 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 50 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 100 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | 0.95 | 2.27 | 3.06 | 6.93 | 15.5 | |
| L2 | kg | 1.2 | 2.8 | 3.86 | 8.98 | 17 | ||
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery | 
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction | 
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Step: | Single-Step | 
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| Samples: | 
 
                                        US$ 60/Piece 
1 Piece(Min.Order)  | 
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| Customization: | 
 
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| Specifications | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | 1000 | 1500 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.7 | 4.85 | 11 | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Life Time | h | 20000 | ||||||
| Efficiency Of Full Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 | 
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | 
| 4 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 5 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| 10 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | |
| 15 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 16 | Kg*cm2 | 0.72 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 20 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 25 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 28 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 35 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 40 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 50 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 100 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| Technical Parameter | Level | Ratio | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | 50 | 96 | 161 | 364 | 
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 7 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 10 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| L2 | 12 | Nm | 27 | 50 | 96 | 161 | 364 | |
| 15 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 16 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 20 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 25 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 28 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 40 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 50 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 100 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | 0.95 | 2.27 | 3.06 | 6.93 | 15.5 | |
| L2 | kg | 1.2 | 2.8 | 3.86 | 8.98 | 17 | ||
What is a Planetary Gearbox?
A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:
planetary gearboxes
If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetary gearboxes with output shaft
The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetary gearboxes with integer number of teeth
When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.


editor by czh 2022-12-20