China Professional ZD High Precision 78mm ZDR Series Planetary Gearbox for Servo Motor with high quality

Product Description

78mm ZDR Series Large Precision Planetary Gearbox For Servo Motor

Item Description

ZDR series planetary gearbox has adopted helical gear style, so the meshing of gears can be smoother. This collection has a double-supported and sealed structure, less difficult to install for consumers. It is commonly used in linear manipulators, packaging equipment, assembly lines and and many others. The optimum backlash of the ZDR series is less than 5 arc.min and the reduction ratio covers 3~81.

The Product Advantages of Planetary Gearbox:

1.Flexible composition style, in line with numerous doing work situations.
two.Ring equipment processing technological innovation: Using inner gear slotting device and hobbing device the precision of ring equipment after processing can get to GB7.
three.Hardened gear secondary scraping engineering: secondary substantial-velocity dry slicing of gear eliminates gear deformation induced by warmth remedy. Equipment precision can achieve GB6.
four.Dependable backlash tests.


Define Drawing:

1)When input speed is 3000rpm:

Note1) The moment of input shaft conversion is only received from the reducer, so it does not incorporate instant of inertia of the motor.
Note2) The max. enter pace is 5000rpm. Normally established to 3000rpm or less.
Note3) The permissble radial load is indicated on the centre of the output shaft.
Note4) All values are within the range corresponding to helical equipment.

2)When enter pace is 2000rpm

Note1) The minute of input shaft conversion is only gained from the reducer, so it does not contain instant of inertia of the motor.
Note2) The permissble radial load is indicated on the middle of the output shaft.
Note3) All values are in the variety corresponding to helical equipment.

System & Components:

Double help system

1.The planetary equipment is positioned in the center of the output shaft.
two.The output shaft bearing is positioned at both finishes of the planetary gear.
3.Individual solar gear and coupling.

Compact output shaft system

It adopts the style of output shaft integrated program, compact structure, substantial rigidity, and it can face up to huge affect. Location the input CZPT and the sunshine gear at the middle of the output shaft to increase the concentricity of the parts, therefore properly managing the gear clearance and bettering the backlash of the whole gearbox.


Total needle construction

The inner bearing of the planetary gear adopts a full-needle style, the interior hole is manufactured by a grinding procedure, the surface hardness is HRC60, and the cylindricity is significantly less than .003mm.

Ring equipment composition

The integral composition of the ring gear and the output flange increases its rigidity and lowers misassembly.


Comparable Merchandise

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Firm Profile


Q: What’re your principal goods?
A: We at present produce Brushed Dc Motors, Brushed Dc Equipment Motors, Planetary Dc Equipment Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Equipment Box and many others. You can examine the specs for earlier mentioned motors on our site and you can e mail us to advise needed motors for each your specification way too.

Q: How to select a suitable motor?
A:If you have motor pictures or drawings to display us, or you have comprehensive specs like voltage, velocity, torque, motor dimension, doing work mode of the motor, required lifetime and noise level and many others, remember to do not wait to allow us know, then we can advise ideal motor per your ask for accordingly.

Q: Do you have a tailored services for your standard motors?
A: Of course, we can customize for each your ask for for the voltage, speed, torque and shaft dimension/form. If you need to have additional wires/cables soldered on the terminal or want to insert connectors, or capacitors or EMC we can make it too.

Q: Do you have an personal design and style service for motors?
A: Sure, we would like to design motors independently for our clients, but it might need to have some mildew developing value and design and style demand. 

Q: What’s your guide time?
A: Normally speaking, our normal regular product will need to have fifteen-30days, a bit longer for personalized merchandise. But we are quite adaptable on the direct time, it will rely on the specific orders.

Please speak to us if you have in depth requests, thank you !

A Brief Overview of the Spur Equipment and the Helical Planetary Gearbox

This article will offer a quick overview of the Spur gear and the helical planetary gearbox. To learn far more about the positive aspects of these gearboxes, study on. Listed here are a number of common utilizes for planetary gears. A planetary gearbox is utilized in many automobiles. Its effectiveness makes it a common selection for tiny engines. Right here are 3 illustrations. Each has its rewards and downsides. Let’s investigate each and every one particular.

helical planetary gearbox

In conditions of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is ideal for applications exactly where space, weight, and torque reduction are of higher worry. On the other hand, the X-Treme sequence is suitable for purposes demanding higher-acceleration, large-axial and radial loads, and higher-speed efficiency. This article will go over the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-primarily based design is a variation of the stepped-planet design and style. This variation relies on the compression of the factors of the stepped-world design and style. The resulting layout avoids restrictive assembly conditions and timing marks. In comparison to traditional gearboxes, compound planetary gears have a better transmission ratio, and they do so with an equivalent or scaled-down quantity. For illustration, a 2:1 ratio compound planet would be utilized with a 50-ton ring gear, and the end result would be the same as a 100-ton ring gear, but the planetary disks would be 50 % the diameter.
The Helical planetary gearbox makes use of 3 elements: an enter, an output, and a stationary placement. The fundamental model is highly productive and transmits ninety seven% of the enter power. There are a few principal varieties of planetary gearboxes, every focusing on a diverse performance characteristic. The CZPT standard line is an superb location to commence your research into planetary gearboxes. In addition to its effectiveness and flexibility, this gearbox has a host of modular characteristics.
The Helical planetary gearbox has numerous advantages. It is flexible, lightweight, and easy to preserve. Its structure brings together a solar equipment and a planet gear. Its teeth are organized in a way that they mesh with each and every other and the sunshine gear. It can also be employed for stationary purposes. The solar equipment holds the carrier stationary and rotates at the rate of -24/sixteen and -3/2, relying on the quantity of enamel on every gear.
A helical planetary gearbox can minimize sound. Its condition is also smaller sized, lowering the measurement of the method. The helical gears are usually quieter and run far more easily. The zero helix-angle gears, in distinction, have scaled-down measurements and higher torque density. This is a benefit, but the latter also boosts the life of the system and is much less high-priced. So, although the helical planetary gearbox has several benefits, the latter is suggested when area is minimal.
The helical gearbox is much more successful than the spur gear, which is limited by its deficiency of axial load element. The helical gears, on the other hand, generate significant axial forces in the equipment mesh. They also show far more sliding at the points of tooth make contact with, adding friction forces. As these kinds of, the Helical planetary gearbox is the favored choice in servo apps. If you are hunting for a gearbox to reduce sound and improve performance, Helical planetary gearboxes are the right decision.
The principal differences in between the two types of planetary gears can be discovered in the style of the two outer rings. The outer ring is also referred to as the sunshine gear. The two gears mesh jointly according to their very own axes. The outer ring is the planetary gear’s carrier. Its bodyweight is proportional to the portion of the ring that is stationary. The provider sets the gaps among the two gears.
Helical gears have angled tooth and are best for programs with substantial loads. They are also extremely durable and can transfer a large load. A normal Helical gearbox has two pairs of tooth, and this guarantees easy transmission. In addition, the enhanced speak to ratio leads to reduce fluctuations in mesh stiffness, which signifies a lot more load ability. In conditions of price tag, Helical planetary gears are the most cost-effective gearbox type.
The outer ring equipment drives the internal ring equipment and bordering planetary elements. A wheel push planetary gearbox might have as considerably as 332,000 N.m. torque. An additional typical sort of planetary gearbox is wheel generate. It is similar to a hub, but the outer ring gear drives the wheels and the sunlight gear. They are often combined in excess of a housing to optimize dimension. 1-stage Helical gears can be utilized in bicycles, whilst a two-stage planetary equipment program can deal with up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It should comply with many constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This examine of the attainable design room of a Helical geartrain makes use of geometric layouts. The ring gear, sunshine, and ring equipment have no effect on the ratio of the planetary transmission. Nevertheless, helical geartrains are a very good option for several programs.

Spur gear planetary gearbox

The mixture of planetary gears and spur gears in a transmission program is named a planetary or spur gearbox. Equally the planetary equipment and spur gear have their personal qualities and are utilised in different types of automobiles. They operate in a comparable way, but are constructed differently. Here are some crucial differences in between the two varieties of gears. Outlined underneath are some of the most essential variances among them:
Helical gears: As opposed to spur gears, helical gears create important axial forces in the gear mesh. They also feature better sliding speak to at the position of tooth make contact with. The helix angle of a gearbox is usually in the variety of fifteen to thirty degrees. The larger the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is better than that of a spur equipment, which is the explanation why helical gears are much more effective.
As you can see, the planetary gearhead has many versions and apps. Even so, you must consider care in deciding on the number of enamel for your planetary gear method. A five:1 spur equipment push ratio, for case in point, indicates that the solar equipment requirements to full five revolutions for every single output carrier revolution. To attain this, you will want to decide on a sunshine equipment with 24 teeth, or 5 mm for every revolution. You will need to know the metric models of the planetary gearhead for it to be compatible with diverse types of machines.
An additional crucial attribute of a planetary gearbox is that it isn’t going to call for all of the spur gears to rotate around the axis of the push shaft. Rather, the spur gears’ inner enamel are set and the generate shaft is in the very same route as the output shaft. If you decide on a planetary gearbox with set internal tooth, you may want to make sure that it has enough lubrication.
The other significant variation amongst a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a large pitch diameter, while a spur gear has reduced pitch. A spur equipment is in a position to handle greater torques, but is not as effective. In addition, its greater torque functionality is a huge downside. Its performance is related to that of a spur equipment, but it is significantly less noisy.
Yet another distinction between planetary and spur equipment motors is their value. Planetary gear motors are likely to be more high-priced than spur gear motors. But spur gears are less expensive to generate, as the gears themselves are smaller sized and less difficult. Nonetheless, planetary equipment motors are much more successful and powerful. They can manage reduce torque applications. But every single equipment carries a fastened load, limiting their torque. A spur equipment motor also has fewer inner frictions, so it is usually suited for decrease torque apps.
An additional big difference between spur gears and planetary gears is their orientation. Solitary spur gears are not coaxial gearboxes, so they are not coaxial. On the other hand, a planetary gearbox is coaxial, that means its input shaft is also coaxial. In addition to this, a planetary gearbox is produced of two sets of equipment wheels with the very same orientation. This offers it the ability to accomplish concentricity.
An additional difference among spur gears and planetary gears is that a planetary gear has an integer variety of enamel. This is crucial due to the fact each equipment need to mesh with a sun gear or a ring equipment. In addition, every single planet need to have a corresponding quantity of tooth. For each and every world to mesh with the solar, the tooth must have a specified distance aside from the other. The spacing amongst planets also matters.
Aside from the dimensions, the planetary gear program is also recognized as epicyclic gearing. A planetary gear program has a sunshine gear in the center, which serves as the enter gear. This equipment has at least three pushed gears. These gears have interaction with every single other from the inside of and kind an internal spur equipment layout. These gear sets are extremely resilient and ready to adjust ratios. If wanted, a planetary gear train can be transformed to yet another ratio, therefore improving its efficiency.
Another essential distinction between a spur equipment and a planetary gearbox is the variety of enamel. A spur equipment has enamel that are parallel to the shaft, even though a planetary gear has teeth that are angled. This type of equipment is most suited for low-pace programs, where torque is essential to move the actuation item. Spur gears also make sound and can hurt gear teeth thanks to repeated collisions. A spur equipment can also slip, avoiding torque from reaching the actuation item.

China Professional ZD High Precision 78mm ZDR Series Planetary Gearbox for Servo Motor     with high qualityChina Professional ZD High Precision 78mm ZDR Series Planetary Gearbox for Servo Motor     with high quality