China High-power Reduction Gearbox 2 Stage LE

Product Description

Factory Supply Spur planetary reducer gearbox

Product name Precision Planetary Gearbox
Max.output torque 120 N.M
Rated input speed 4,000 rpm
Ratio 40
Backlash  3  arcmin

Product Range 

PBMD90 L2 2 STAGE 3&5 arcmin Planetary gearbox with low backlash and high precision   
Please choose the right series according to your applications.:

STAGE VALUE 2 stage
Gear ratio i 15 16 20 25 30 35 40 50 60 70 80 100
Rated output torque
(1000 times is allowed in gear box)
T 2N Nm 130 140 140 160 150 140 120 160 150 140 200 100
In.lb 1151 1239 1239 1416 1328 1239 1062 1416 1328 1239 1770 885
T 2NOt Nm 3xNOM.Output/ 3 times rated output torque
In.lb
Rated input RPM (T2N, 20ºC environment temperature) b N 1n rpm 4000 4000 4000 4000 4000 4000 4000 4000 4000 4000 4000 4000
Max. Input RPM N 1max rpm 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000
Max.backlash J t arcmin PBMD90≤5 ARCMIN  PBMD*90≤3 ARCMIN  Bespoke ≤1 ARCMIN
No load torque
(nt=3000rmp,gear box 20ºC
T 012 Nm 0.8 0.8 0.6 0.6 0.5 0.4 0.4 0.3 0.3 0.3 0.3 0.3
In.lb 7.1 7.1 5.3 5.3 4.4 3.5 3.5 2.7 2.7 2.7 2.7 2.7
Torsional stiffness C t21 Nm/
arcmin
10
In.lb/
arcmin
89
Max.radical force F 2AMAX N 3500
ibf 787.5
Max.axial force F 3RMAX N 1400
ibf 315
Max.side force M 2KMAX Nm 236
In.lb 2089
Work life L h hr  ≥20000
Fully loaded efficiency η % 94
Environment temperature ºC 15 to 40
F 5 to 104
Allowable highest temperature
of shell
ºC +90
F 194
Lubrication   Life Lubrication
Rotation direction   Input/output with same direction
Protection class   IP65
Installation direction   Any/ any direction
Working noise
(i=10 and n1=3000rpm no-load)
Lpa        dB(A) ≤58  
Moment of inertia J1 Kg.cm² 0.47 0.47 0.47 0.47 0.47 0.47 0.47 0.44 0.44 0.44 0.44 0.44
10-3in.lb.s2 0.41 0.41 0.41 0.41 0.41 0.41 0.41 0.38 0.38 0.38 0.38 0.38

Product Description.: 

Planetary gearbox is a kind of reducer with wide versatility.
The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process.
Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc.
The inner gear of the planetary gearbox can be divided into spur gear and helical gear.
Customers can choose the right precision reducer according to the needs of the application.

PBMD ( picture example: i=4 )
Suitable for periodic work system ( ED≤60% )

                                 Max. Input RPM (min-1)

PBMD*HIGH PRECISION  ( picture example: i=4 )
Suitable for periodic work system ( ED≤60% )
                             Max. Input RPM (min-1)

Hot Products.:   

 

Main Features:

1. High rigidity: Carburizing, carbon nitrogen co-carburizing, brilliant quenching heat treatment, the advantages of high productivity, good quenching.
2. High precision: Adopt advanced equipment,strictly controlled in quality and technology.
3. High torque:
(1) Front shell and tooth ring adopt integral design 
(2) Integrated design of planetary frame and output shaft 
(3) Bearing long span design, ensure the output load capacity 
(4) Full needle rolling, increase contact surface 
(5) Modular design of motor connection plate  
4. Low noise:
The helical tooth surface is modified for tooth shape and lead to reduce the impact and noise of gear on the input and output,
then increase gear service life greatly. 

OUR ADVANTAGE

Design & technology
We design and technology
1. The gear transmission interface adopots full needle roller bearings without cage,
increading the contact area to improve the rigidity of the structure and the output torque.

2. The planet carrier and the output shaft adopts an integrated structure design to
improve the compactness of the structurer while ensuring the maximum torsional rigidity.

3. Using synthetic lubricating grease and adopting the sealing design of IP65 protection grade,
the lubricating oil does not leak and is maintenance-free.

4. By trimming the tooth profile and lead of the screw tooth surface to reduce the impact and noise of the gear in and out,
make the gear meshing process more stable and increase the service life of gear system. 

5. The reducer adopts helical gear design,and its tooth profile meshing ratio is more than twice that of ordinary spur gears.
It has the characteristics of smooth running,low noise,high output torque and low backlash. 
   

Technical services:

  • According to the relevant parameters provided by the customer, the CZPT engineering software is used to create the motion load curve diagram of the mechanism equipment to obtain the corresponding parameters and derive the motion load curve. Intuitively display important parameters and load indexes in the transmission system to help customers carry out reasonable structural design.
  • SIGRINER provides a motor database from 500 servo motor manufacturers worldwide

Customer training:
We are honored to provide you with our applied computing and transmission design expertise. We can provide relevant training according to your needs. Please contact our engineer. 
  
Technical testing center    

Features of CZPT Precision planetary gearbox

  • Very high power density, torque increased by 40%
  • Easy motor installation, optional installation with length compensation
  • Flexible installation, the gearbox can be installed vertically, horizontally, and up or down together with the driven shaft
  • Very high positioning accuracy, return clearance is less than arc minutes
  • Through helical gear meshing, the operation is stable, and the running noise is less than 50dB-A
  • The world's leading life expectancy, and the raw materials and mechanism of the seal ring have been optimized

Applications.:  

PBM (standard)
Cycle Applications (ED≤60%)
High dynamic applications
High positioning accuracy
Reverse operation
PBMD*HIGH PERCISION
Application of continuous operation (ED≤60%)
High rated speed
Temperature-sensitive applications
High quality control transmission

Technical data
                            PBMD              PBMD*HIGH PRECISION
Size                           90                           90
I                            3-100                         3-100  
Jt standard ( arcmin )          ≤3,≤5                           ≤1
T2B (NM)                    4500                         3600  
N1Max(rpm)                 6000                         8000  

Products Drawing

   1. Max. 14 Fasten hub diameter 

    2. Max. 19  Fasten hub diameter 
    3. Max. 19  Fasten hub diameter  

Industry application

  • We provide fast supply and strong support all over the world through a complete sales and service network
  • With years of rich experience, our authoritative experts provide market-leading consulting services for various industrial sectors 
  • Robotics, automation and manipulator technology
  • A variety of servo gearboxes and mechanical transmission systems, from economical to high-end models; can be applied to various robots and their auxiliary axes, such as transmission shafts and station control devices 
  • Printing machine
  • Innovative gearbox ensures stability, synchronization accuracy and long-term accuracy even at high speeds
    The perfect solution for high-quality printing processes and other continuous duty applications
    Option: integrated sensor for monitoring paper tension and similar parameters  
  • Machine tools and manufacturing systems
  • High precision, stable operation and high efficiency are all derived from stable, zero backlash and high rigidity mechanical system solutions, such as the application of products on feed, rotation and auxiliary axes 
  • Food and packaging machinery
  • A series of gearboxes specially designed for various shafts used in the field of packaging technology (including gearboxes with anti-corrosion design)-can maximize work efficiency, mechanical flexibility and cycle speed 
  • Textile machine  
  • Automatic cHangZhou production line


Our Services.:

1) Competitive price and good quality

2) Used for transmission systems.

3) Excellent performance, long using life
4) Prompt response on receiving Inquiries or any other messages from customers
5) only standard planetary gearbox supplied

Delivery and shipping: We provide CZPT shipping, international express and air transportation to deliver your products to you.
(*Arrival time will vary depending on destination country policy and traffic condition.)

Serving: All products have a one-year warranty and online technical support. 

FAQ

Q: Are you trading company or manufacturer?

A: We are group company with large range of products and production bases, also do trading company business with more than 20 years export experiences.

Q:What's the MOQ?

A: 1 or 2pcs is available.

Q: How long is your delivery time?

A: 3-5 days via DHL, TNT, UPS, FEDEX. Ocean shipping is based on different countries.

Packaging & Delivery

packaged in Carton with foam inside or as per customer's requirements (Standard export canton) 
Lead Time:

Quantity(Pieces) 1 - 10 >10
Est. Time(days) 10  To be negotiated

 

Planetary Gearbox Advantages and Disadvantages

A planetary gearbox is a type of mechanical drive with a single output shaft. They are suitable for both clockwise and counterclockwise rotations, have less inertia, and operate at higher speeds. Here are some advantages and disadvantages of this type of gearbox. Let us see what these advantages are and why you should use them in your applications. Listed below are some of the benefits of planetary gearboxes.
planetarygearbox

Suitable for counterclockwise and clockwise rotation

If you want to teach children about the clock hands, you can buy some resources for counterclockwise and asymmetrical rotation. These resources include worksheets for identifying degrees of rotation, writing rules for rotation, and visual processing. You can also use these resources to teach angles. For example, the translation of shapes activity pack helps children learn about the rotation of geometric shapes. Similarly, the visual perception activity sheet helps children understand how to process information visually.
Various studies have been done to understand the anatomical substrate of rotations. In a recent study, CZPT et al. compared the position of the transitional zone electrocardiographically and anatomically. The authors found that the transitional zone was normal in 9 of 33 subjects, indicating that rotation is not a sign of disease. Similarly, a counterclockwise rotation may be caused by a genetic or environmental factor.
The core tip data should be designed to work in both clockwise and counterclockwise rotation. Counterclockwise rotation requires a different starting point than a clockwise rotation. In North America, star-delta starting is used. In both cases, the figure is rotated about its point. Counterclockwise rotation, on the other hand, is done in the opposite direction. In addition, it is possible to create counterclockwise rotation using the same gimbal.
Despite its name, both clockwise and counterclockwise rotation requires a certain amount of force to rotate. When rotating clockwise, the object faces upwards. Counterclockwise rotation, on the other hand, starts from the top position and heads to the right. If rotating in the opposite direction, the object turns counterclockwise, and vice versa. The clockwise movement, in contrast, is the reverse of counterclockwise rotation.

Has less inertia

The primary difference between a planetary gearbox and a normal pinion-and-gear reducer is the ratio. A planetary gearbox will produce less inertia, which is an important advantage because it will reduce torque and energy requirements. The ratio of the planetary gearbox to its fixed axis counterpart is a factor of three. A planetary gearbox has smaller gears than a conventional planetary, so its inertia is proportional to the number of planets.
Planetary gears are less inertia than spur gears, and they share the load across multiple gear teeth. This means that they will have low backlash, and this is essential for applications with high start-stop cycles and frequent rotational direction changes. Another benefit is the high stiffness. A planetary gearbox will have less backlash than a spur gearbox, which means that it will be more reliable.
A planetary gearbox can use either spur or helical gears. The former provides higher torque ratings while the latter has less noise and stiffness. Both types of gears are useful in motorsports, aerospace, truck transmissions, and power generation units. They require more assembly time than a conventional parallel shaft gear, but the PD series is the more efficient alternative. PD series planetary gears are suitable for many applications, including servo and robotics.
In contrast, a planetary gear set can have varying input speed. This can affect the frequency response of the gearset. A mathematical model of the two-stage planetary gears has non-stationary effects and correlates with experimental findings. Fig. 6.3 shows an addendum. The dedendum's minimum value is approximately 1.25m. When the dedendum is at its smallest, the dedendum has less inertia.
planetarygearbox

Offers greater reliability

The Planetary Gearbox is a better option for driving a vehicle than a standard spur gearbox. A planetary gearbox is less expensive, and they have better backlash, higher load capacity, and greater shock loads. Unlike spur gearboxes, however, mechanical noise is virtually nonexistent. This makes them more reliable in high-shock situations, as well as in a wide range of applications.
The Economy Series has the same power density and torque capacity of the Precision Helical Series, but it lacks the precision of the latter. In contrast, Economy Series planetary gearboxes feature straight spur planetary gearing, and they are used in applications requiring high torque. Both types of gearboxes are compatible with NEMA servo motors. If torque density is important, a planetary gearbox is the best choice.
The Dispersion of External Load: The SSI model has been extensively used to model the reliability of planetary gear systems. This model takes the contact force and fatigue strength of the system as generalized stress and strength. It also provides a theoretical framework to evaluate the reliability of planetary gear systems. It also has many other advantages that make it the preferred choice for high-stress applications. The Planetary Gearbox offers greater reliability and efficiency than traditional rack and pinion gear systems.
Planetary gearing has greater reliability and compact design. Its compact design allows for wider applications with concerns about space and weight. Additionally, the increased torque and reduction makes planetary gearboxes an excellent choice for a wide variety of applications. There are 3 major types of planetary gearboxes, each with its own advantages. This article describes a few of them. Once you understand their workings, you will be able to choose the best planetary gearbox for your needs.

Has higher operating speeds

When you look at planetary gearboxes, you might be confused about which 1 to choose. The primary issue is the application of the gearbox. You must also decide on secondary factors like noise level, corrosion resistance, construction, price, and availability worldwide. Some constructors work faster than others and deliver the gearboxes on the same day. However, the latter ones often deliver the planetary gearbox out of stock.
Compared to conventional gearboxes, a planetary gearbox can run at higher speeds when the input speed fluctuates. However, these gears are not very efficient in high-speed applications because of their increased noise levels. This makes planetary gears unsuitable for applications involving a great deal of noise. That is why most planetary gears are used in small-scale applications. There are some exceptions, but in general, a planetary gearbox is better suited for applications with higher operating speeds.
The basic planetary gearbox is a compact alternative to normal pinion-and-gear reducers. They can be used in a wide variety of applications where space and weight are concerns. Its efficiency is also higher, delivering 97% of the power input. It comes in 3 different types based on the performance. A planetary gearbox can also be classified as a worm gear, a spur gear, or a sprocket.
A planetary gearhead has a high-precision design and can generate substantial torque for their size. It also reduces backlash to 2 arc-min. Additionally, it is lubricated for life, which means no maintenance is needed. It can fit into a small machine envelope and has a small footprint. Moreover, the helical crowned gearing provides fast positioning. A sealed gearbox prevents abrasive dust from getting into the planetary gearhead.
planetarygearbox

Has drawbacks

The design of a planetary gearbox is compact and enables high torque and load capability in a small space. This gear arrangement also reduces the possibility of wear and tear. Planet gears are arranged in a planetary fashion, allowing gears to shift under load and a uniform distribution of torque. However, some disadvantages of planetary gears must be considered before investing in this gearbox.
While the planetary gearbox is a high precision motion-control device, its design and maintenance requirements are a concern. The bearing load is high, requiring frequent lubrication. Also, they are inaccessible. Despite these drawbacks, planetary gearboxes are suitable for a variety of tasks. They also have low backlash and high torsional stiffness, making them excellent choices for many applications.
As a result, the speed of a planetary gearbox varies with load and speed. At lower ratios, the sun gear becomes too large in relation to the planet gears. As the ratio increases, the sun gear will become too low, reducing torque. The planetary gears also reduce their torque in high-speed environments. Consequently, the ratio is a crucial consideration for planetary gearbox condition monitoring.
Excess drag may result from out-of-tolerance components or excessive lubrication. Drag should be measured both in directions and be within acceptable ranges. Grease and oil lubrication are 2 common planetary gearbox lubricants, but the choice is largely dependent on your application. While grease lubricates planetary gears well, oil needs maintenance and re-lubrication every few thousand hours.

China High-power Reduction Gearbox 2 Stage LE    China High-power Reduction Gearbox 2 Stage LE

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