Product Description

Product Description

Benoy precision harmonic reducer team based on theoretical calculation finite element analysis, combined with cutting-edge inspection system to obtain a large amount of actual measurement data, the use of multi-objective regression optimization means, successfully break through the non-standard design difficulties of the circular arc tooth shape, the development of breakthrough harmonic reducer.

The S-shaped optimized involute tooth structure is adopted for smoother and smoother meshing, and the tooth processing of rigid-flexible wheel breaks through the traditional slow-walking and gear hobbing process. With the special process of hobbing semi-finishing + light finishing and tooth surface accuracy, multiple teeth are meshed at 2 180-degree symmetrical positions simultaneously, so the gear tooth pitch error and accumulated tooth pitch error have a more average effect on the rotational accuracy, and very high positional accuracy and rotational accuracy can be obtained.

The material of the flexible wheel adopts the steel purified by customized electroslag re-solution, and the thin-walled deformation part has been repeatedly spinning process and heat treatment to make its material wear resistance and plasticity reach a perfect balance. Steel wheel material adopts high spheroidization rate continuous casting of ductile iron instead of traditional 40Cr material, the unique self-lubricating ductile iron dry steel 1 times the thermal conductivity, can quickly absorb vibration, excellent wear reduction performance, service life 2 times dry traditional 40Cr steel wheel.

Flexible wheel tooth processing technology in the innovative invention of a deformation after the light finishing processing of a unique method, not only to solve the problem of accuracy, but also to solve the traditional processing after the assembly of deformation steel flexible wheel contact points are not uniform, so that the tooth mesh full contact, more uniform force, less friction, high load-bearing capacity.

The transmission ratio is large, the transmission ratio of single-stage harmonic gear transmission can reach i=30~500, and the structure is simple, 3 basic parts on the coaxial can achieve high reduction ratio. In order to stick to the market and user needs, configure various structures of cam flange servo interface specifications, for different industries to launch various series of molding products, in order to facilitate customer selection and use.

Precision Gearboxes, Motors and Reducers

Precision Transmission Gear

5-axis CNC Milling Parts

Application Field

Company Profile

HangZhou Benoy Intelligent Technology Co. Ltd was established in 2003. Since established, we always focus on precision transmission and mechanical parts manufacturing & processing. We have a professional R&D team and advanced gear hobbing machine, gear grinding machine, gear shaping machine, CNC Lathe machines and milling machines, which can give comprehensive solutions according to user’s requirements, from the design. 

we bulid us through help others succes. Benoy always focuses on the development ability, and now, it owns more than 30 patents. Our company has several advanced engineering design softwares and applied more than 20 new technologies and new processes. And also, it is certified by ISO 9001: 2015 and ISO 14001: 2015.

For more than 10 years, our company has been committed to the production and processing of precision parts and non-standard automation design. With a highly qualified workforce, relying on rich experience in precision processing and international leading equipment, the company has established strategic partnerships with world-renowned enterprises in the fields of aviation, medical and industrial precision test and measurement equipment.

FAQ

Q1: How to get a quotation?

A1: Please send us drawings in igs, dwg, step etc. together with detailed PDF.If you have any requirements, please note,
and we could provide professional advice for your reference.

Q2: How long can i get the sample?

A2: Depends on your specific items,within 7-10 days is required generally.

Q3: How to enjoy the OEM services?

A3: Usually, base on your design drawings or original samples, we give some technical proposals and a quotation to you, after your agreement, we produce for you.

Q4: Will my drawings be safe after sending to you?

A4: Yes, we will keep them well and not release to third party without your permission. Of course, we would ensure the safety of the drawing.

Q5: What shall we do if we do not have drawings?

A5: Please send your sample to our factory,then we can copy or provide you better solutions. Please send us pictures or drafts with dimensions(Length,Hight,Width), CAD or 3D file will be made for you if placed order.

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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 2022-11-30