China High Precision 78mm Zdr Series Planetary Gearbox for Servo Motor

Product Description

78mm ZDR Series High Precision Planetary Gearbox For Servo Moto

Product Description

ZDR series planetary gearbox has adopted helical gear design, so the meshing of gears can be smoother. This series has a double-supported and sealed structure, easier to install for customers. It is widely used in linear manipulators, packaging machinery, assembly lines and etc. The maximum 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 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:
78  ZDR  20   ( )     (S) -   750  T1   ( )
  a     b      c     d       e        f       g     h
 

a    Frame Size     78 =78mm
b    Series code:ZDR     Oblique tooth precision
c    Reduction Ratio     Single Stage: 3,4,5,6,7,8,9,10;
    Two Stages: 15,20,25,35,45,81.
d    Backlash     Single Stage: 8arc.min;
    Two Stages: 12arc.min;
e    Input shaft type     S:Overall locking(Omission)(regardless whether the motor with keyway can use it. But D Cut can't use)
    S1:Locking with locking ring(regardless whether the motor with keyway can use it. But D Cut can't use)
    S2:Locking with keyway (input shaft with key)
    K:With keyway
    A:0ther type (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 flang
h Please contact us for the model of servo motor

 

Spesifications & Details

When input speed is 3000rpm

Product NO. Reduction Ratio Motor Output Shaft Speed (rpm) Standard Output Torque (N.m) Instantaneous max.Output Torque (N.m) Permissible Radial Load (N) Permissible Axial Load (N) Internal Moment 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 19.3 784 392 0.913 6.86 20.6
5 400 600 5.39 16.2 980 490 0.363 6.57 19.7
750 10.7 32.1 0.713 11.5 34.3
9 200 333 3.72 11.3 1180 588 0.275 9.70 29.2
400 9.51 28.5

Note1) The moment of input shaft conversion is only gained from the reducer, so it does not include moment of inertia of the motor.
Note2) The max. input speed is 5000rpm. Usually set to 3000rpm or less.
Note3) The permissble radial load is indicated on the center of the output shaft.
Note4) All values are within the range corresponding to helical gear.

When input speed is 3000rpm

Product NO. Reduction Ratio Motor Output Shaft Speed (rpm) Standard Output Torque (N.m) Instantaneous max.Output Torque (N.m) Permissible Radial Load (N) Permissible Axial Load (N) Internal Moment Ohnertia Of Input Shaftconversion (x10-4 kg.m2) Perrmissible Output Torque (N.m) Instantaneous Max. Permissible Output Torque (N.m)
78ZDR 15 200 200 6.27 18.8 1470 735 0.300 16.2 48.6
400 15.8 47.5
20 200 150 8.69 26.1 1570 785 0.294 21.1 63.3
400 21.1 63.3
25 200 120 11.1 33.3 1670 833 0.288 21.7 64.9
400 26.4 79.2 26.4 79.2
35 100 85 7.24 21.7 1670 833 0.065 13.9 41.7
200 15.5 46.6 0.262 15.5 46.6
45 50 66 3.86 11.6 1670 833 0.5715 9.50 28.6
100 9.31 28.0
81 50 37 7.02 20.8 1670 833 0.571 9.70 29.2

Note1) The moment of input shaft conversion is only gained from the reducer, so it does not include moment of inertia of the motor.
Note2) The max, input speed is 5000rpm. Usually set to 3000rpm or less.
Note3) The permissble radial load is indicated on the center of the output shaft.
Note4) All values are within the range corresponding to helical gear.

When input speed is 2000rpm
 

Product NO. Reduction Ratio Motor Output Shaft Speed (rpm) Standard Output Torque (N.m) Instantaneous max.Output Torque (N.m) Permissible Radial Load (N) Permissible Axial Load (N) Internal Moment Ohnertia Of Input Shaftconversion (x10-4 kg.m2) Perrmissible Output Torque (N.m) Instantaneous Max. Permissible Output Torque (N.m)
78ZDR 3 400 666 5.01 15.0 900 450 0.913 6.86 20.6
5 200 400 3.82 11.5 1120 560 0.363 6.57 19.7
400 8.35 25.1 0.713 11.5 34.3
9 100 222 2.35 7.04 1340 670 0.275 9.70 29.2
200 6.64 19.9
15 100 133 3.91 11.7 1670 833 0.300 16.2 48.6
200 11.1 33.2
20 100 100 5.73 17.2 1790 895 0.294 21.1 63.3
200 14.8 44.4
25 100 80.0 7.16 21.5 1670 833 0.288 21.7 64.9
200 18.5 55.4
35 50 57.0 4.43 13.3 1900 950 0.262 15.5 46.6
100 12.7 38.1
45 50 44.4 5.80 17.4 1670 833 0.5715 9.50 28.6
81 50 24.6 9.70 29.2 1670 833 0.5710 9.70 29.2

Note1) The moment of input shaft conversion is only gained from the reducer, so it does not include moment of inertia of the motor.
Note2) The permissble radial load is indicated on the center of the output shaft.
Note3) All values are within the range corresponding to helical gear.

Dimensions (Unit: mm):

 

Product NO. Reduction Ratio Motor Total Length L Output Shaft Flange
Panasonic- made
MSMA
Yaskawa-made SGMASH SGMSH Mitsubishi-made HC-KFS
HC-RFS
LR S Q QM QM W×U T D LB LE LA LZ X
78ZDR 45,81 50 142 50 19 30 26 M5(depth)20 6×21.5 6 80 70 3 90 M6 20
35 100 150
45 100 142
9 200 139.5
15,20,25,35 200 150
5,9 400 139.5
15,20,25 400 150
3,5 750 143.5

Note1) Please inquire to us if motor model isn't standard (Matching motor list). (The flange dimension may be different if motor assension is different.)
Note2) Rotation of the output shaft is in the same direction as that of motor input.
Note3) All values are within the range corresponding to helical gear.
 

Mechanism

Double support mechanism

1.The planetary gear is placed in the middle of the output shaft.
2.The output shaft bearing is placed at both ends 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

Full needle structure

The inner bearing of the planetary gear adopts a full-needle design, the inner hole is made by a grinding process, the surface hardness is HRC60, and the cylindricity is less than 0.003mm.

Ring gear structure

The integral structure of the ring gear and the output flange improves its rigidity and reduces misassembly.

 

Other Model Type of ZDR Series

More products,please click here...

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.

 

How to Select a Planetary Gearbox for Your Applications

You can select the most suitable Planetary Gearbox for your applications after carefully checking the various features. You should also consider secondary features like noise level, corrosion resistance, construction, price, delivery time and service. You should also check if the constructor is available across the world, because some constructors operate faster than others. Some constructors even respond to your requests on the same day, while others deliver each planetary gearbox even if they are out of stock.
planetarygearbox

CZPT gearbox

An CZPT planetary gearbox is a high-quality, compact, and lightweight gearbox that distributes loads over several gears. The planetary gearbox has a polymer case that ensures quiet operation. The company is committed to the circular economy, investing in chemical recycling and promoting the use of recycled materials wherever possible. For more information, visit CZPT's website or contact an CZPT expert today.
A planetary gearbox contains a sun gear, which is known as the input gear. The other gears are called planets, and these are mounted on a carrier, which is connected to an output shaft. A planetary gearbox is characterized by its high reduction ratios, energy savings, and compact design. It offers superior durability and trouble-free service. Whether you need a large or small planetary gearbox, you can find 1 to suit your needs.
The Standard series planetary gearboxes are a cost-effective alternative to premium series gearboxes. These gearboxes are suitable for applications requiring only mild backlash or with low IP65 protection. ABB positioners feature 7 different gear unit variants, allowing for standardized mounting and stranded wire connections. The drygear(r) strain wave gear has a stranded wire connector and is available with a three-year warranty.
A planetary gearbox can be used for various applications, from lifting goods to loading and unloading products in a factory. The company has a wide product range for different applications, including plastic machinery and machine tools, pick-and-place robots, mill drives, and wind turbines. It can also be used to operate robot gripper systems. Its high-quality planetary gears are designed to last for many years, making it an ideal solution for many industries.

CZPT

A planetary gearbox is an essential component of many transport systems. These devices work by aligning the output and input shafts. The Reggiana planetary gearbox 2000 series includes bevel stages and linear variants. The company offers modularity and flexibility with output configurations in 10 different gear sizes. Each planetary gearbox can also be customized to meet the specific needs of a specific application.
CZPT is the Australian branch of CZPT, a leading global manufacturer of planetary gearboxes. CZPT is located in Carrum Downs, south east of Melbourne, and is 1 of the leading suppliers of planetary reduction gears, hydraulic failsafe brakes, and wheel drives. The company aims to provide high-quality, durable products that can be used in a variety of applications.
A CZPT Plus Series Gear is designed to maximize flexibility in a variety of applications. The gearbox's modular design allows for endless scalability. The CZPT Plus Series Gear is commonly used in mining operations, and is known for its raw output capabilities and low maintenance design. It is made with high-quality materials, and it is also available in multiple sizes for customized applications.
The multi-stage planetary gearbox can combine individual ratios to increase the overall multiplicative factor. The planetary gears may also be combined to increase the transmittable torque. The output shaft and drive shaft may rotate in opposite directions, or they can be fixed so the gearbox can function in either direction. If the ring gear is fixed, planetary gearboxes can be realized as multi-stage.
planetarygearbox

CZPT

The CZPT Planetary Gearbox is the perfect combination of compact size and high efficiency in power transmission. The compact design allows this gearbox to run silently while still delivering high power density and transmission efficiency. The CZPT Planetary Gearbox has several advantages. Unlike conventional planetary gearboxes, CZPT's planetary gearbox features high power density, low torque, and optimum transmission efficiency.
CZPT's products have been used in a variety of applications for many years, proving their reliability and quality. These products are renowned in the world for their reliability and quality. CZPT's planetary gearboxes are backed by a five-year warranty. These features help customers choose a planetary gearbox that meets their needs and stays in top shape for years to come. But how do you test a planetary gearbox?
Figure 17 shows the response of a planetary gearbox to vibration. The maximum displacement in xg direction at a 50% crack level is shown by the dashed line. The signal in xg direction is called the xsignal. Moreover, the CZPT Planetary Gearbox's vibration response is highly sensitive to the location of the bearings. For this reason, dynamic modeling of a planetary gearbox should consider bearing clearance.
CZPT's hollow cup motor drive system features high reliability and low power consumption. The gearbox is compatible with industries with high quality standards, as there is no cogging torque. Its compact size and low electromagnetic noise make it ideal for a variety of applications. For industries with high product quality requirements, the CZPT Hollow Cup Motor Drive System is an excellent choice. It is also designed for vertical installation. You can even buy multiple CZPT products to meet your specific needs.

CZPT

With its PL series planetary gearboxes, CZPT has expanded its product portfolio to include more types of drive solutions. CZPT is 1 of the few companies to have won the Schneider Electric Supplier Award for Quality. In addition, its high-quality planetary gearboxes are highly customizable, allowing designers to customize each gearbox for the application at hand. Whether it is a geared pump or a stepper motor, CZPT's PLE planetary gearboxes are built to meet the exact specifications of the application at hand.
The flange-mounted version of the planetary gearbox is comparable to its planetary counterpart. Using a flange-mounted planetary gearbox allows for a smaller, more compact design. This model also features a large-diameter output shaft, which helps achieve a higher level of torsional stiffness. This makes CZPT flange gearboxes particularly useful for applications where the direction of motion can change frequently. These gearboxes can be used with a wide variety of belts.
The PLQE 60-mm gearbox is used in Outrider's single-stage design. Its gear ratio is 5:1, while its dual-stage version has a 15:1 gear ratio. Both gearboxes have identical mounting configurations, but the two-stage version is slightly longer.
The PLN series of planetary gearheads from CZPT are the standard for high-precision applications. They're compatible with all major motor brands and sizes, and the company's adapter kits are available to fit almost any motor. This makes CZPT gearheads 1 of the easiest to integrate into a complex machine. They're also extremely easy to install, with the same torque as their corresponding spur gears.
planetarygearbox

CZPT's

If you are looking for an efficient solution for screw press applications, consider using CZPT's 300M Planetary Gearbox. It has high axial and radial load capacities, compact design, high torque output, and torque arm. The 300M planetary gearbox is compatible with a variety of screw presses, including hydraulic press systems and digester systems. Its Torque control and direct coupling feature makes it easy to install.
CZPT's small planetary gearboxes have an output torque of 20:1 from individual ratios of 5:1 and 4:1. They run silently and deliver maximum transmission efficiency. The planetary gears are mounted on a ring that is fixed around the center sun gear. The ring acts as an output torque converter for the next planet stage. This planetary gearbox has multiple stages and a maximum ratio of 20:1 can be created from individual ratios of 5:1 and 4:1.
CZPT Motor is an innovator in the design and manufacture of miniature motors for industrial robots. Its offerings include brushless DC and brushed DC motors, as well as planetary gearboxes, encoders, and brakes. CZPT's products have a variety of uses in robotics, intelligent appliances, medical equipment, communication, and industrial automation. The company is also committed to providing custom designs based on customer specifications.
Another advantage of a planetary gearbox is its high power transmission efficiency. It is capable of approximately 3% per stage, allowing it to transmit more torque than a conventional single-stage gearbox. Planetary gearboxes are also compact and have a high torque-to-weight ratio. CZPT's Planetary Gearbox is the best choice for many applications. This gearbox offers the highest efficiency and is ideal for small-scale production.

China High Precision 78mm Zdr Series Planetary Gearbox for Servo Motor    China High Precision 78mm Zdr Series Planetary Gearbox for Servo Motor

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