China Zd 88%~94% Efficiency High Precision Square 120mm Zdwf Series Planetary Gearbox

Product Description

ZD 88%~94% Efficiency High Precision Square 120mm ZDWF Series Planetary Gearbox

Product Description

The high-precision planetary gearbox adopts helical 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 ZDWF series is less than 25 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
120   ZDWF   20   (  )   (S1) – 750  T1
 a        b         c      d       e       f       g

a    Frame Size     120 = 120mm
b    Series code:ZDWF     Square 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: 25 arc.min;
    Two Stages: 30 arc.min;
    Third Stages: 35 arc.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 mounting type of the flange

 

Spesifications & Details

 

Product Type Unit Number Of Stage Reduction Ratio 120ZDWF
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 / 94%
2 / 92%
3 / 88%
Backlash arc.min 1 / <25
2 / <30
3 / <35

Dimensions(Unit: mm):

Product type No. of stage L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 D1
120ZDWF 1 249.2 38 73.7 55 50 40 5 4 58 10 15 167.5 Φ145
2 277 101.5
3 304.5 129
No. of stage D2 D3 D4 D5 D6 D7 D8 D9 B1 H1 G1 G3 Q3
1,2,3 Φ110G7 ≤Φ24G7 Φ25h7 Φ35 Φ110h7 120 Φ130 Φ8.5 8 28 M8×22 M10×22 130

*Input size made according to motor size.

Mechanism
 

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.
 

Compared with ZDF series, ZDWF series use right angle type which saves the space of assembly.
For other specifications, ZDWF series planetary gearbox is similar with ZDF series, but the backlash of ZDWF is larger than that of ZDF.

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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.
 

Benefits of a Planetary Gearbox With Output Shaft

The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
planetarygearbox

Planetary gearboxes

Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!

Planetary gears

A planetary gearbox has 2 main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.

Planetary gearboxes with output shaft

For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has 2 major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
planetarygearbox

Planetary gearboxes with carrier

A planetary gearbox is a type of gearbox with 3 or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.

Planetary gearboxes with traction

Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain 3 to 4 planet gears, and each is in constant mesh with the others. Power applied to any 1 member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.

Planetary gearboxes with electric motors

If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right 1 for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and 2 or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is 1 of the most reliable gearbox types on the market.

Planetary gearboxes with hydraulic motors

A planetary gearbox is a combination of 2 gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
planetarygearbox

Planetary gearboxes with combustion engines

There are many different applications of planetary gear sets. The most common is the distribution of power between 2 wheels in a car’s drive axle. Four-wheel drives use 2 axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the 2 different types of motors to form 1 hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating 2 planetary gear sets connected by a lever. The 2 levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if 2 gear sets are connected by vertical links, the horizontal links must be horizontal.

China Zd 88%~94% Efficiency High Precision Square 120mm Zdwf Series Planetary Gearbox  China Zd 88%~94% Efficiency High Precision Square 120mm Zdwf Series Planetary Gearbox

Planetary Gearboxes

As one of the planetary gearbox manufacturers, suppliers, and exporters of mechanical products, We offer planetary gearboxes and many other products.

Please get in touch with us for details.

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