Product Description
Characteristic and use:
(1) Small size, flexible installation
(2)high efficiency, high torque, steady and long life.
(3) with motor AC/DC, standardized/special
(4) Optional parts: speed controller, fan, brake, etc.
(5) Ratio:1:9-1:900 max, with middle reducer.
(6)Power:25w-400w, they apply to transmission of auto-and semi-auto-equipments as food medicine advertising etc.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Application: | Motor |
|---|---|
| Function: | Speed Reduction |
| Layout: | Cycloidal |
| Customization: |
Available
| Customized Request |
|---|
How to Use a Cyclone Gearbox
Often, a cycloidal gearbox is used in order to achieve a torque transfer from a motor or pump. This type of gearbox is often a common choice as it has a number of advantages over a regular gearbox. Its main advantage is that it is easy to make, which means that it can be incorporated into a variety of applications. However, if you want to use a cycloidal gearbox, there are a few things that you need to know. These include the operation principle, the structure and the dynamic and inertial effects that come with it.
Dynamic and inertial effects
Several studies have been carried out on the static and dynamic properties of cycloidal gears. The study of these effects is beneficial in assisting optimal design of cycloidal speed reducers.
In this paper, the dynamic and inertial effects of a two-stage cycloidal speed reducer have been investigated using the CZPT program package. Moreover, a new model for cycloidal reducers based on non-linear contact dynamics has been developed. The new model aims to predict several operational conditions.
The normal excitation contact force for the cycloid discs of the first and second stage is very similar. However, the total deformation at the contact point is different. This effect is mainly due to the system’s own oscillations. The cycloid discs of the second stage turn around the ring gear roller with a 180deg angle. This angle is a significant contributor to the torque loads. The total excitation force on the cycloid discs of first and second stage is 1848 N and 2068.7 N, respectively.
In order to analyze the contact stress, different gear profiles were investigated. The mesh density was considered as an important design criterion. It was found that a bigger hole reduces the material content of the cycloidal disc and results in more stresses.
Moreover, it is possible to reduce the contact forces in a more efficient manner by changing the geometric parameters. This can be done by mesh refinement along the disc width. The cycloidal disc has the greatest influence on the output results.
The efficiency of a cycloidal drive increases with the increase in load. The efficiency of a cycloidal reducer also depends on the eccentricity of the input shaft and the cycloidal plate. The efficiency curve for small loads is linear. However, for the larger loads, the efficiency curve becomes more non-linear. This is because the stiffness of the cycloid reducer increases as the load increases.
Structure
Despite the fact that it looks like a complicated engineering puzzle, the construction of a cycloidal gearbox is actually quite simple. The key elements are the base, the load plate and the thrust bearing. All these elements work together to create a stable, compact gearbox.
The base is a circular section with several cylindrical pins around its outer edge. The pins are fixed on a fixed ring that holds them in a circular path. The ring serves as a reference circle. The circle’s size is approximately 5mm in diameter.
The load plate is a series of threaded screw holes. These are arranged 15mm away from the center. These are used to anchor external structures. The load plate must be rotated around the X and Y axis.
The thrust bearing is placed on top of the load plate. The bearing is made of an internal diameter of 35mm and an external diameter of 52mm. It is used to allow rotation around the Z axis.
The cycloidal disc is the centerpiece of the cycloidal gearbox. The disc has holes for the pins that drive the output shaft. The holes are larger than those used in output roller pins. The disc also has a reduced eccentricity.
The pins are attached to the cycloidal disc by rolling pins. The pins are made of a material that provides mechanical support for the drive during high-torque situations. The pins have a 9mm external diameter. The disc has a number of lobes and is rotated by one lobe per shaft revolution.
The cycloidal gearbox also has a top cover that helps keep the components together. The cover has a pocket for tools. The top cover also has threads that screw into the casing.
Operation principle
Among many types of gear transmissions, cycloidal gearboxes are used in heavy machinery and multi-axis robots. They are highly effective, compact and capable of high ratios. In addition, they have an overload capability.
Cycloid disks are driven by eccentric shafts that rotate around fixed ring pins. Roller pins of the pin disc engage with holes in the cycloidal disc. These roller pins drive the pin disc and the pin disc transfers the motion to the output shaft.
Unlike conventional gear drives, cycloidal drives have low backlash and high torsional stiffness. They are ideally suited to heavy loads and all drive technologies. The lower mass and compact design of the cycloidal disk also contributes to its high efficiency and positioning accuracy.
The cycloidal disc plays a central role in the gearbox kinematics. It rotates around a fixed ring in a circle. When the disc is pushed against the ring gear, the pins engage with the disc and the roller pins rotate around the pins. This rotating motion generates vibration, which travels through the driven shafts.
Cycloid discs are typically designed with a short cycloid, so that the eccentricity is minimized. This reduces unbalance forces at high speeds. Ideally, the number of lobes on the cycloid is smaller than the number of surrounding pins. This reduces the amount of Hertzian contact stress.
Unlike planetary gears, cycloidal gears have high accuracy and are capable of withstanding shock loads. They also experience low friction and less wear on tooth flanks. They also have higher efficiency and load capacity.
Cycloid gears are generally more difficult to manufacture than involute gears. Cycloid gears are not suitable for stacking gear stages. They require extreme accuracy for manufacturing. However, their smaller size and low backlash, high torsional stiffness, and low vibration make them ideal for use in heavy machines.
Involute gear tooth profile
Almost all gears are manufactured with an involute gear tooth profile. Cycloid gears are also produced with this profile. Compared with involute gears, cycloid gears are stronger and can transmit more power. However, they can also be more difficult to manufacture. This makes them costlier.
The involute gear tooth profile is a smooth curve. It is derived from the involute curve of a circle. A tangent to the base circle is the normal at any point of an involute.
This curve has properties that allow the involute gear teeth to transfer motion in perpendicular direction. It is also the path traced by the end of the string unwrapping from a cylinder.
An involute profile has the advantage of being easy to manufacture. It also allows for smooth meshing despite misalignment of the centre distance. This profile is also preferred over a cycloid tooth profile, but it is not the best in every regard.
Cycloid gear teeth are also made of two curves. Unlike involute teeth, cycloid gear teeth have a consistent radius. Cycloid gears are less likely to produce noise. But they are also more expensive to manufacture.
Involute teeth are easier to manufacture because they have only one curve. Cycloid gears can also be made with a rack type cutter. This makes them cheaper to manufacture. However, they require an expert design. They can also be manufactured with a gear shaper that includes a pinion cutter.
The tooth profiles that satisfy the law of gear-tooth action are sometimes called conjugate profiles. The involute profile is the most common of these. It allows for constant torque transmission.
Backlash
Typically, cycloidal drives provide a high ratio of transmission with no backlash. This is because the cycloid disc is driven by an eccentric shaft. During rotation, the cycloid disc rotates around a fixed ring. This ring also rotates independently of the center of gravity.
The cycloid disc is typically shortened to reduce the eccentricity. This helps to minimize the unbalance forces that may occur at high speeds. The cycloid also offers a larger gear ratio than traditional gears. This provides a better positional accuracy.
Cycloid drives also have a high torsional stiffness. This provides greater torsional resilience and shock load capabilities. This is important for a number of reasons, such as in heavy-duty applications.
Cycloid drives also have lower mass. These benefits make them ideally suited for all drive technologies. The design also allows for higher torsional stiffness and service life. These drives also have a much smaller profile.
Cycloid drives are also used to reduce speed. Because of the high torsional stiffness of the cycloid, they also have high positioning accuracy.
Cycloid drives are well-suited to a variety of applications, including electric motors, generators, and pump motors. They are also highly resistant to shock loads, which is important in a variety of applications. This design is ideal for applications that require a large transmission ratio in a compact design.
Cycloid drives also have the advantage of minimizing the clearance between the mating components. This helps to eliminate interference and ensure a positive fit. This is particularly important in gearboxes. It also allows for the use of a load cell and potentiometer to determine the backlash of the gearbox.
editor by CX 2023-05-12
China Standard 12inch single shaft Brushless Dc Motorcycle Electric Motor Hub Motor For Electric car near me factory
Voltage(V): 60-120V
Output Power: 5000W
Usage: Car
Type: Brushless DC Motor
Torque: 50-200N.m
Construction: Permanent Magnet
Commutation: Brushless
Protect Feature: Waterproof
Speed(RPM): 600-800
Continuous Current(A): 10A-83A
Efficiency: 93%
Motor Type: Brushless Direct Current Motor(BLDC Motor)
Axle Configuration: Double
Color: Black/white etc.
OEM: Accepted
Custom Order: Accepted
Rated Speed: 75-100km/h
Magnet Height: 35mm
Number Of Motor Phases: 3
Waterproof Grade: IP54
MOQ: 1 Piece/Pieces
Certification: CCC, ce
Packaging Details: Standarding packing with carton boxes.
Port: ZheJiang
Main Products
Products Display
Yuma Motor Specification:
Motor Type
Brushless Direct Current Motor(BLDC Motor)
Axle Configuration
Double
Wheel Rim
12 inch
Rated Speed
75-100km/h
Voltage
60-120V
Magnet Height
35mm
RPM
850-1200
Brake System
Disc Brake
Hall Sensors
2
Hall Sensor Phasing
120°
Number of motor phases
3
Max Efficiency
93%
Rated Out Power
3000w
Number of Pole Pairs
24
Cross Section of Phase Wire
16 square
Waterproof Grade
IP54
Color
Black/white etc.
Package
Carton
Notice:
Yuma Motor could work 120 ℃ in half an hour without damage.
Suggestion (Setting of Controller)
When it’s 130 ℃ inside of motor (in 30s), the current should be limited 50%.
When it’s 150 ℃, the controller shut down. When it drop down to 110℃, the controller work again.
More Yuma Motor Informaiton:
Optional Appearance
Motor Details, drawing, performance curve (refer to attachment in PDF).
For more information, please feel free to contact with us.
Hot Products
Production Process
Our Company
HangZhou Yuma Power Technology Co., Ltd.is a professioal manufacturer of brushless DC motors, high-power brushless DC motors, brushless DC motor controller, integrating development and production together. our company has clean production environment, advanced production equipment and perfect team. Products are widely used in: electric bicycles, electric motorcycles, electric cars, electric truck and so on. Our products, quality, service are recognized by the industry. Welcome friends come to visit, guidance and business negotiation.
Certificates
Packaging & Shipping
Contact Us
The Basics of a Planetary Motor
A Planetary Motor is a type of gearmotor that uses multiple planetary gears to deliver torque. This system minimizes the chances of failure of individual gears and increases output capacity. Compared to the planetary motor, the spur gear motor is less complex and less expensive. However, a spur gear motor is generally more suitable for applications requiring low torque. This is because each gear is responsible for the entire load, limiting its torque.
Self-centering planetary gears
This self-centering mechanism for a planetary motor is based on a helical arrangement. The helical structure involves a sun-planet, with its crown and slope modified. The gears are mounted on a ring and share the load evenly. The helical arrangement can be either self-centering or self-resonant. This method is suited for both applications.
A helical planetary gear transmission is illustrated in FIG. 1. A helical configuration includes an output shaft 18 and a sun gear 18. The drive shaft extends through an opening in the cover to engage drive pins on the planet carriers. The drive shaft of the planetary gears can be fixed to the helical arrangement or can be removable. The transmission system is symmetrical, allowing the output shaft of the planetary motor to rotate radially in response to the forces acting on the planet gears.
A flexible pin can improve load sharing. This modification may decrease the face load distribution, but increases the (K_Hbeta) parameter. This effect affects the gear rating and life. It is important to understand the effects of flexible pins. It is worth noting that there are several other disadvantages of flexible pins in helical PGSs. The benefits of flexible pins are discussed below.
Using self-centering planetary gears for a helical planetary motor is essential for symmetrical force distribution. These gears ensure the symmetry of force distribution. They can also be used for self-centering applications. Self-centering planetary gears also guarantee the proper force distribution. They are used to drive a planetary motor. The gearhead is made of a ring gear, and the output shaft is supported by two ball bearings. Self-centering planetary gears can handle a high torque input, and can be suited for many applications.
To solve for a planetary gear mechanism, you need to find its pitch curve. The first step is to find the radius of the internal gear ring. A noncircular planetary gear mechanism should be able to satisfy constraints that can be complex and nonlinear. Using a computer, you can solve for these constraints by analyzing the profile of the planetary wheel’s tooth curve.
High torque
Compared to the conventional planetary motors, high-torque planetary motors have a higher output torque and better transmission efficiency. The high-torque planetary motors are designed to withstand large loads and are used in many types of applications, such as medical equipment and miniature consumer electronics. Their compact design makes them suitable for small space-saving applications. In addition, these motors are designed for high-speed operation.
They come with a variety of shaft configurations and have a wide range of price-performance ratios. The FAULHABER planetary gearboxes are made of plastic, resulting in a good price-performance ratio. In addition, plastic input stage gears are used in applications requiring high torques, and steel input stage gears are available for higher speeds. For difficult operating conditions, modified lubrication is available.
Various planetary gear motors are available in different sizes and power levels. Generally, planetary gear motors are made of steel, brass, or plastic, though some use plastic for their gears. Steel-cut gears are the most durable, and are ideal for applications that require a high amount of torque. Similarly, nickel-steel gears are more lubricated and can withstand a high amount of wear.
The output torque of a high-torque planetary gearbox depends on its rated input speed. Industrial-grade high-torque planetary gearboxes are capable of up to 18000 RPM. Their output torque is not higher than 2000 nm. They are also used in machines where a planet is decelerating. Their working temperature ranges between 25 and 100 degrees Celsius. For best results, it is best to choose the right size for the application.
A high-torque planetary gearbox is the most suitable type of high-torque planetary motor. It is important to determine the deceleration ratio before buying one. If there is no product catalog that matches your servo motor, consider buying a close-fitting high-torque planetary gearbox. There are also high-torque planetary gearboxes available for custom-made applications.
High efficiency
A planetary gearbox is a type of mechanical device that is used for high-torque transmission. This gearbox is made of multiple pairs of gears. Large gears on the output shaft mesh with small gears on the input shaft. The ratio between the big and small gear teeth determines the transmittable torque. High-efficiency planetary gearheads are available for linear motion, axial loads, and sterilizable applications.
The AG2400 high-end gear unit series is ideally matched to Beckhoff’s extensive line of servomotors and gearboxes. Its single-stage and multi-stage transmission ratios are highly flexible and can be matched to different robot types. Its modified lubrication helps it operate in difficult operating conditions. These high-performance gear units are available in a wide range of sizes.
A planetary gear motor can be made of steel, nickel-steel, or brass. In addition to steel, some models use plastic. The planetary gears share work between multiple gears, making it easy to transfer high amounts of power without putting a lot of stress on the gears. The gears in a planetary gear motor are held together by a movable arm. High-efficiency planetary gear motors are more efficient than traditional gearmotors.
While a planetary gear motor can generate torque, it is more efficient and cheaper to produce. The planetary gear system is designed with all gears operating in synchrony, minimizing the chance of a single gear failure. The efficiency of a planetary gearmotor makes it a popular choice for high-torque applications. This type of motor is suitable for many applications, and is less expensive than a standard geared motor.
The planetary gearbox is a combination of a planetary type gearbox and a DC motor. The planetary gearbox is compact, versatile, and efficient, and can be used in a wide range of industrial environments. The planetary gearbox with an HN210 DC motor is used in a 22mm OD, PPH, and ph configuration with voltage operating between 6V and 24V. It is available in many configurations and can be custom-made to meet your application requirements.
High cost
In general, planetary gearmotors are more expensive than other configurations of gearmotors. This is due to the complexity of their design, which involves the use of a central sun gear and a set of planetary gears which mesh with each other. The entire assembly is enclosed in a larger internal tooth gear. However, planetary motors are more effective for higher load requirements. The cost of planetary motors varies depending on the number of gears and the number of planetary gears in the system.
If you want to build a planetary gearbox, you can purchase a gearbox for the motor. These gearboxes are often available with several ratios, and you can use any one to create a custom ratio. The cost of a gearbox depends on how much power you want to move with the gearbox, and how much gear ratio you need. You can even contact your local FRC team to purchase a gearbox for the motor.
Gearboxes play a major role in determining the efficiency of a planetary gearmotor. The output shafts used for this type of motor are usually made of steel or nickel-steel, while those used in planetary gearboxes are made from brass or plastic. The former is the most durable and is best for applications that require high torque. The latter, however, is more absorbent and is better at holding lubricant.
Using a planetary gearbox will allow you to reduce the input power required for the stepper motor. However, this is not without its downsides. A planetary gearbox can also be replaced with a spare part. A planetary gearbox is inexpensive, and its spare parts are inexpensive. A planetary gearbox has low cost compared to a planetary motor. Its advantages make it more desirable in certain applications.
Another advantage of a planetary gear unit is the ability to handle ultra-low speeds. Using a planetary gearbox allows stepper motors to avoid resonance zones, which can cause them to crawl. In addition, the planetary gear unit allows for safe and efficient cleaning. So, whether you’re considering a planetary gear unit for a particular application, these gear units can help you get exactly what you need.
