Product Description
78mm ZDR Series High Precision Planetary Gearbox For Servo Motor
Item Description
ZDR sequence planetary gearbox has adopted helical gear style, so the meshing of gears can be smoother. This series has a double-supported and sealed framework, simpler to set up for buyers. It is extensively employed in linear manipulators, packaging machinery, assembly traces and and so on. The highest backlash of the ZDR collection is much less than 5 arc.min and the reduction ratio addresses 3~eighty one.
The Product Advantages of Planetary Gearbox:
1.Adaptable framework design, in line with different working situations.
two.Ring gear processing technology: Using internal gear slotting equipment and hobbing equipment the precision of ring equipment after processing can get to GB7.
3.Hardened equipment secondary scraping technological innovation: secondary substantial-speed dry chopping of equipment gets rid of gear deformation triggered by heat treatment method. Equipment accuracy can get to GB6.
four.Dependable backlash testing.
Technical specs
Define Drawing:
1)When input velocity is 3000rpm:
| Item NO. | Reduction Ratio | Motor | Output Shaft Pace (rpm) | Regular Output Torque (N.m) | Instantaneous max.Output Torque (N.m) | Permissible Radial Load (N) | Permissible Axial Load (N) | Internal Instant Ohnertia Of Input Shaftconversion (x10-4 kg.m2) | Perrmissible Output Torque (N.m) | Instantaneous Max. Permissible Output Torque (N.m) |
| 78ZDR | 3 | 750 | 1000 | 6.37 | 19.three | 784 | 392 | .913 | 6.86 | 20.6 |
| 5 | four hundred | 600 | five.39 | sixteen.two | 980 | 490 | .363 | 6.57 | 19.seven | |
| 750 | 10.seven | 32.1 | .713 | 11.five | 34.three | |||||
| 9 | 200 | 333 | three.72 | 11.3 | 1180 | 588 | 0.275 | 9.70 | 29.two | |
| four hundred | 9.fifty one | 28.five |
Note1) The moment of input shaft conversion is only obtained from the reducer, so it does not include moment of inertia of the motor.
Note2) The max. input velocity is 5000rpm. Normally set to 3000rpm or less.
Note3) The permissble radial load is indicated on the centre of the output shaft.
Note4) All values are in the selection corresponding to helical gear.
2)When enter velocity is 2000rpm
| Item NO. | Reduction Ratio | Motor | Output Shaft Velocity (rpm) | Common Output Torque (N.m) | Instantaneous max.Output Torque (N.m) | Permissible Radial Load (N) | Permissible Axial Load (N) | Interior Instant Ohnertia Of Input Shaftconversion (x10-4 kg.m2) | Perrmissible Output Torque (N.m) | Instantaneous Max. Permissible Output Torque (N.m) |
| 78ZDR | 3 | four hundred | 666 | 5.01 | fifteen. | 900 | 450 | .913 | 6.86 | 20.6 |
| 5 | 200 | 400 | 3.82 | 11.5 | 1120 | 560 | .363 | 6.57 | 19.7 | |
| 400 | 8.35 | 25.one | .713 | 11.five | 34.three | |||||
| 9 | a hundred | 222 | two.35 | 7.04 | 1340 | 670 | 0.275 | 9.70 | 29.2 | |
| two hundred | six.64 | 19.9 | ||||||||
| 15 | 100 | 133 | three.91 | eleven.seven | 1670 | 833 | 0.300 | 16.two | 48.six | |
| two hundred | eleven.one | 33.two | ||||||||
| 20 | a hundred | 100 | five.seventy three | 17.2 | 1790 | 895 | 0.294 | 21.1 | 63.3 | |
| 200 | 14.8 | 44.4 | ||||||||
| 25 | 100 | 80. | seven.sixteen | 21.5 | 1670 | 833 | 0.288 | 21.7 | 64.9 | |
| 200 | 18.five | 55.4 | ||||||||
| 35 | 50 | 57. | four.43 | thirteen.three | 1900 | 950 | 0.262 | 15.5 | 46.6 | |
| a hundred | twelve.seven | 38.1 | ||||||||
| 45 | 50 | 44.four | 5.eighty | seventeen.four | 1670 | 833 | 0.5715 | 9.fifty | 28.six | |
| 81 | 50 | 24.6 | nine.70 | 29.2 | 1670 | 833 | 0.5710 | 9.70 | 29.two |
Note1) The second of input shaft conversion is only acquired from the reducer, so it does not include minute of inertia of the motor.
Note2) The permissble radial load is indicated on the middle of the output shaft.
Note3) All values are within the selection corresponding to helical gear.
System & Elements:
Double support mechanism
one.The planetary equipment is positioned in the center of the output shaft.
2.The output shaft bearing is placed at both finishes of the planetary equipment.
three.Independent solar gear and coupling.
Compact output shaft system
It adopts the layout of output shaft built-in program, compact structure, high rigidity, and it can withstand massive impact. Place the input coupling and the solar gear at the centre of the output shaft to increase the concentricity of the components, therefore successfully controlling the gear clearance and bettering the backlash of the whole gearbox.
Entire needle structure
The inner bearing of the planetary gear adopts a total-needle layout, the internal hole is produced by a grinding procedure, the area hardness is HRC60, and the cylindricity is less than .003mm.
Ring equipment composition
The integral composition of the ring gear and the output flange enhances its rigidity and minimizes misassembly.
Equivalent Merchandise
Simply click for Comparable Products:
Business Profile
FAQ
Q: What’re your primary products?
A: We currently create Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Equipment Motors, Brushless Dc Motors, Stepper motors, Ac Motors and Higher Precision Planetary Equipment Box and so forth. You can verify the specs for earlier mentioned motors on our website and you can e-mail us to suggest necessary motors per your specification also.
Q: How to pick a suitable motor?
A:If you have motor pictures or drawings to display us, or you have in depth specs like voltage, speed, torque, motor size, functioning method of the motor, essential lifetime and sound level and so on, remember to do not wait to allow us know, then we can advocate appropriate motor for every your ask for accordingly.
Q: Do you have a customized services for your standard motors?
A: Sure, we can customise for each your ask for for the voltage, speed, torque and shaft dimensions/form. If you need to have extra wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it also.
Q: Do you have an individual style support for motors?
A: Of course, we would like to layout motors separately for our buyers, but it may need some mold creating expense and style demand.
Q: What’s your lead time?
A: Typically talking, our normal regular solution will require fifteen-30days, a bit for a longer time for personalized goods. But we are really versatile on the lead time, it will depend on the certain orders.
You should get in touch with us if you have detailed requests, thank you !
| Application: | Motor, Machinery, Agricultural Machinery, servo motor gearbox |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Helical gear |
| Step: | Double-Step |
| Samples: |
US$ 130/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Planetary Gearbox Basics
If you’re in the market for a new Planetary Gearbox, you’ve come to the right place. There’s more to these mechanical wonders than just their name. Learn about Spur gears, helical gears, and various sizes. After you’ve read this article, you’ll know exactly what to look for when shopping for a new one. And you’ll also be able to avoid common mistakes made by amateur mechanics.
Wheel drive planetary gearboxes
Planetary gearboxes have numerous benefits over conventional gearboxes. Their compact design is advantageous for servo functions. Their lubrication is a key feature to maintain smooth operation and avoid damage to the gears. Some manufactures use CZPT to ensure proper functioning. These gearboxes have nearly three times the torque of traditional gearboxes while remaining compact and low in mass.
The planetary gears are made of three different types. Each type has an input and output shaft. The input and output shafts are usually coaxially arranged. The input and output shafts are connected to each other via a carrier. The carrier rotates with the planetary gears. The sun gear is the input gear and is typically 24 teeth in diameter. The outer gears are connected to the sun gear via rings of gears that are mounted around the sun gear.
Planetary gearboxes are also used in wheeled and tracked vehicles. They are also used in winch systems, which lift and lower loads. Typical applications include heavy machinery, such as cranes and earthmovers. Wheel drives are also widely used in municipal and agricultural vehicles, as well as material handling vehicles. The wheel drive is typically mounted directly into the wheel rim. A wheel drive may be fitted into two, three, or even four wheels.
A planetary gear set may be used in stages to provide different transmission rates. In order to choose the right gearbox for your application, consider the torque, backlash, and ratio you need. Then, consider the environment where the gearbox is used. Depending on its location, it might need to be protected from weather, water, and other elements. You can find a wide range of different sizes in the market.
Spur gears
There are two basic types of gearheads: planetary and spur gearheads. Each has its advantages and disadvantages depending on the application. This article will discuss the differences between these two types of gearheads. Spur gearheads are commonly used for transmission applications, while planetary gearheads are more widely used for motors. Spur gearheads are less expensive to produce than planetary gearheads, and they are more flexible in design.
There are many different types of spur gears. Among them, a 5:1 spur gear drive ratio means that the sun gear must rotate five times per revolution of the output carrier. The desired number of teeth is 24. In metric systems, the spur gears are referred to as mm and the moon gears as modules. Spur gears are used in many different types of applications, including automotive and agricultural machinery.
A planetary geartrain is a combination of ring and spur gears, which mesh with each other. There are two kinds of planetary geartrains: simple planetary gears and compound planetary gears. Spur gears are the most common type, with a sun gear and ring gear on either side of the sun. Simple planetary gears feature a single sun and ring gear, while compound planetary gears use multiple planets.
A planetary gearbox consists of two or more outer gears, which are arranged to rotate around the sun. The outer ring gear meshes with all of the planets in our solar system, while the sun gear rotates around the ring gear. Because of this, planetary gearboxes are very efficient even at low speeds. Their compact design makes them a desirable choice for space-constrained applications.
Helical gears
A planetary helical gearbox has two stages, each with its own input speed. In the study of planetary helical gear dynamics, the base circle radius and full-depth involute teeth are added to the ratio of each gear. The tangential position of the planets affects the dynamic amplifications and tooth forces. The tangential position error is an important factor in understanding the dynamic behaviour of helical planetary gears.
A helical gearbox has teeth oriented at an angle to the shaft, making them a better choice than spur gears. Helical gears also operate smoothly and quietly, while spur gears generate a thrust load during operation. Helical gears are also used in enclosed gear drives. They are the most common type of planetary gearbox. However, they can be expensive to produce. Whether you choose to use a helical or spur gearbox depends on the type of gearbox you need.
When choosing a planetary gear, it is important to understand the helix angle of the gear. The helix angle affects the way the planetary gears mesh, but does not change the fundamentals of planetary phasing. In each mesh, axial forces are introduced, which can either cancel or reinforce. The same applies to torques. So, if the ring gear is positioned at an angle of zero, helical gears will increase the axial forces.
The number of teeth on the planets is a variable parameter that must be considered in the design phase. Regardless of how many teeth are present, each planet must have a certain amount of tooth spacing to mesh properly with the ring or sun. The tip diameter is usually unknown in the conceptual design stage, but the pitch diameter may be used as an initial approximation. Asymmetrical helical gears may also cause undesirable noise.
Various sizes
There are several sizes and types of planetary gearboxes. The planetary gear sets feature the sun gear, the central gear, which is usually the input shaft, and the planet gears, which are the outer gears. A carrier connects the planet gears to the output shaft. The primary and secondary features of the planetary gearbox are important factors to consider. Besides these, there are other things to consider, such as the price, delivery time, and availability around the world. Some constructors are quicker than others in responding to inquiries. While others may be able to deliver every planetary gearbox out of stock, they will cost you more money.
The load share behavior of a planetary gearbox is comparable to that of a spur or a helical gearbox. Under low loads, individual gear meshes are slightly loaded, while other components have minimal deflections. In general, load sharing behaviour is affected mostly by assembly and manufacturing deviations. In this case, the elastic deflections help balance these effects. The load-sharing behavior of a planetary gearbox improves when the load increases.
Planetary gearboxes come in different sizes. The most common size is one with two or three planets. The size and type of the gears determine the transmission rate. Planetary gear sets come in stages. This gives you multiple transmission rate choices. Some companies offer small planetary gearboxes, while others offer larger ones. For those with special applications, make sure you check the torque, backlash, and ratio.
Whether the power is large or small, the planetary gearbox should be matched to the size of the drive. Some manufacturers also offer right-angle models. These designs incorporate other gear sets, such as a worm gear stage. Right-angle designs are ideal for situations where you need to vary the output torque. When determining the size of planetary gearboxes, make sure the drive shafts are lined up.
Applications
This report is designed to provide key information on the Global Applications of Planetary Gearbox Market, including the market size and forecast, competitive landscape, and market dynamics. The report also provides market estimates for the company segment and type segments, as well as end users. This report will also cover regional and country-level analysis, market share estimates, and mergers & acquisitions activity. The Global Applications of Planetary Gearbox Market report includes a detailed analysis of the key players in the market.
The most common application of a planetary gearbox is in the automobile industry, where it is used to distribute power between two wheels in a vehicle’s drive axle. In a four-wheel-drive car, this system is augmented by a centre differential. In hybrid electric vehicles, a summation gearbox combines the combustion engine with an electric motor, creating a hybrid vehicle that uses one single transmission system.
In the Global Industrial Planetary Gearbox Market, customer-specific planetary gears are commonly used for automated guided vehicles, intra-logistics, and agricultural technology. These gears allow for compact designs, even in tight spaces. A three-stage planetary gear can reach 300 Nm and support radial loads of 12 kN. For receiver systems, positioning accuracy is critical. A two-stage planetary gearbox was developed by CZPT. Its internal gear tension reduces torsional backlash, and manual controls are often used for high-quality signals.
The number of planetary gears is not fixed, but in industrial applications, the number of planetary gears is at least three. The more planetary gears a gearbox contains, the more torque it can transmit. Moreover, the multiple planetary gears mesh simultaneously during operation, which results in high efficiency and transmittable torque. There are many other advantages of a planetary gearbox, including reduced maintenance and high speed.
editor by CX 2023-04-12




