Product Description
ZD Agricultural Machinery High Precision 120mm ZDE Series Planetary Gearbox
Product Description
The high-precision planetary gearbox adopts spur gear design, and is used in various control transmission fields with servo motors, such as precision machine tools, laser cutting equipment, battery processing equipment, etc. It has the advantages of large torsional rigidity and large output torque. The backlash of the ZDE series is less than 8 arc.min and the reduction ratio covers 3~512K.
The Product Advantages of Planetary Gearbox:
1.Flexible structure design, in line with various working conditions.
2.Ring gear processing technology: Using internal gear slotting machine and hobbing machine; the precision of ring gear after processing can reach GB7.
3.Hardened gear secondary scraping technology: secondary high-speed dry cutting of gear eliminates gear deformation caused by heat treatment. Gear accuracy can reach GB6.
4.Reliable backlash testing.
How to Read:
120ZDE 20 ( ) (S) -750 T1
a b c d e f g
| a | Frame Size | 120 = 120mm |
| b | Series code: ZDE | Roud mounting flange series |
| c | Reduction Ratio | Single Stage: 3,4,5,8,10; Two Stages: 9,12,15,16,20,25,32,40,64; Three Stages: 60,80,100,120,160,200,256,320,512. |
| d | Backlash | Single Stage: 8arc.min; Two Stages: 12arc.min; Third Stages: 15arc.min |
| e | Input shaft type | S: 0ver locking (Omission) (Regardless whether the motor with kevwav can use it.); S1: Locking with locking ring (Regardless whether the motor with keyway can use it.); S2: Locking with keyway (Input shaft with key); K: With keyway; A: Other types (Please contact with us) |
| f | Applicable servo motor power (W),Please contact us for specific power | |
| g | Please contact us for the mouting type of the flange | |
Spesifications
| Product Type | Unit | Number Of Stage | Reduction Ratio | 120ZDE |
| Rated Output Torque | N.M | 1 | 3 | 80 |
| 4 | 110 | |||
| 5 | 110 | |||
| 8 | 100 | |||
| 10 | 80 | |||
| 2 | 9 | 210 | ||
| 12 | 210 | |||
| 15 | 210 | |||
| 16 | 260 | |||
| 20 | 260 | |||
| 25 | 230 | |||
| 32 | 260 | |||
| 40 | 230 | |||
| 64 | 100 | |||
| 3 | 60 | 210 | ||
| 80 | 260 | |||
| 100 | 260 | |||
| 120 | 210 | |||
| 160 | 260 | |||
| 200 | 230 | |||
| 256 | 260 | |||
| 320 | 230 | |||
| 512 | 100 | |||
| Max radial torque | N | / | / | 2100 |
| Max Axial torque | / | / | 1050 | |
| Full Load Efficiency | % | 1 | / | 96 |
| 2 | / | 94 | ||
| 3 | / | 90 | ||
| Backlash | arc.min | 1 | / | <8 |
| 2 | / | <12 | ||
| 3 | / | <15 |
Demensions(Unit: mm):
| Product type | No. of stage | LI | L3 | L4 | L5 | L6 | L7 | L8 | D4 | D5 | D6 | D7 | D8 |
| 120ZDE | 1 | 195.2 | 73.7 | 55 | 50 | 40 | 5 | 4 | Φ25H7 | Φ35 | Φ80H7 | Φ115 | Φ100 |
| 2 | 223 | 101.5 | |||||||||||
| 3 | 250.5 | 129 | |||||||||||
| 1,2,3 | B1 | H1 | G2 | G3 | L2 | L9 | L10 | D1 | D2 | D3 | G1 | Q3 | |
| 8 | 28 | M10X16 | M10X22 | 66.5 | 58 | 10 | Φ145 | Φ110G7 | ≤Φ24G7 | M8X22 | 130 |
Detailed Photos
Mechanism
Single support mechanism
1.The planetary gear is placed at 1 end of the output shaft.
2.The output shaft bearing is placed at 1 end of the planetary gear.
3.Separate sun gear and coupling.
Compact output shaft mechanism
It adopts the design of output shaft integrated system, compact structure, high rigidity, and it can withstand large impact. Place the input coupling and the sun gear at the center of the output shaft to improve the concentricity of the components, thereby effectively controlling the gear clearance and improving the backlash of the whole gearbox.
Structure
Ring gear structure
The integral structure of the ring gear and the output flange improves its rigidity and reduces misassembly.
More details
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Company Profile
Delivery
Our Services
1.Maintenance time & Warranty: 1 year after leaving factory.
2.Other service: Including modeling selection guide, installation guide, and problem shooting guide, etc.
FAQ
Q: What’re your main products?
A: We currently produce Brushed DC Motors, Brushed DC Gear Motors, Planetary DC Gear Motors, Brushless DC Motors, AC Motors, High Precision Planetary Gearbox and Precision Cycloidal Gearbox etc.. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q: How to select a suitable motor or gearbox?
A:If you have motor pictures or drawings to show us, or you have detailed specifications, such as, voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors or gearboxes?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but some kind of molds are necessory to be developped which may need exact cost and design charging.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
Types of Gearboxes
There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
planetary gearbox
The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to 1 another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into 3 main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of 2 gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?
helical gearbox
The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the 2 types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
helical gear reducer
A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
Continuously variable transmission
A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.
