China Best Sales NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox gearbox assembly

Product Description

NEMA34 stepper motor with high precision 20:1 planetary gear motor

General Specification:

(ITEM)

(Specification)

Step angle

1.8°

Tempareture Rise

80ºC max

Ambient Temperature Range

-20ºC- +50ºC

Insulation Resistance

100MΩ Min., 500VDC

Dielectric Strength

820VAC for 1s 3mA

Shaft Radial Play

0.02 Max.(450g-load)

Shaft Axial Play

0.08 Max.(450g-load)

Max. radial force

220N(20mm from the flange)

Max. axial force

60N

 

Electrical Specification:

Model No.

Step Angle

Motor Length

Current

Resistance

Inductance

Holding torque

Leads

Detent Torque

Rotor Inertia

Weight

(°)

(L)mm

A

Ω

Mh

N.m

No.

g.cm

g.cm²

kg

JK86HS67-5904

1.8

67

5.9

0.28

1.7

3.4

4

0.8

1000

1.7

JK86HS67-2808

1.8

67

2.8

1.4

3.9

3.4

8

0.8

1000

1.7

JK86HS78-5504

1.8

78

5.5

0.46

4

4.6

4

1.2

1400

2.3

JK86HS78-4208

1.8

78

4.2

0.75

3.4

4.6

8

1.2

1400

2.3

JK86HS115-4208

1.8

115

6

0.6

6.5

8.7

4

2.4

2700

3.8

JK86HS115-6004

1.8

115

4.2

0.9

6

8.7

8

2.4

2700

3.8

JK86HS155-6204

1.8

155

6.2

0.75

9

12.2

4

3.6

4000

5.4

JK86HS155-4208

1.8

155

4.2

1.25

8

12.2

8

3.6

4000

5.4

 

Gearbox Specification:

 

Technical Data

Level 1

Level 2

Ratio

4,5,7,9,10

16,20,25,28,35,36,40,45,49,50,63,70,81,90,100

Rated load

Nm

6

25

Max. rated load

Nm

12

40

Effeciency

%

95

90

Return difference

arcmin

≤15

≤25

Weight

KG

1.3

1.6

Rated input speed

rpm

3000

3000

Max.input speed

rpm

5000

5000

Protection grade

IP

65

65

Lubrication

 

 Grease

Grease

Noise

Db

≤45

≤45

Working life

h

20000

20000

Drawing:

Company Show:

Depending on advanced technology and CZPT service,our CZPT & Electric Appliance CO.,LTD has established a excellent team and maintain a good  business relationship with a large amount of clients in global market. 

Choosing JKONGMOTOR, we will have a CZPT relationship.

 

Application: Machine Tool
Speed: High Speed
Number of Stator: Double Phase
Function: Driving
Casing Protection: Open Type
Number of Poles: 2
Samples:
US$ 25/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

planetary gearbox

Role of Planetary Gearboxes in Powertrain Systems of Electric and Hybrid Vehicles

Planetary gearboxes play a critical role in the powertrain systems of both electric and hybrid vehicles, contributing to their efficiency and performance:

Electric Motor Integration: In electric vehicles (EVs) and hybrid vehicles, planetary gearboxes are commonly used to connect the electric motor to the drivetrain. They enable torque and speed transformation, ensuring the motor’s output is suitable for the vehicle’s desired speed range and load conditions.

Torque Splitting in Hybrids: Hybrid vehicles often have both an internal combustion engine (ICE) and an electric motor. Planetary gearboxes enable torque splitting between the two power sources, optimizing their combined performance for various driving scenarios, such as electric-only mode, hybrid mode, and regenerative braking.

Regenerative Braking: Planetary gearboxes facilitate regenerative braking in electric and hybrid vehicles. They enable the electric motor to function as a generator, converting kinetic energy into electrical energy during deceleration. This energy can then be stored in the vehicle’s battery for later use.

Compact Design: Planetary gearboxes offer a compact design with a high power density, making them suitable for the limited space available in electric and hybrid vehicles. This compactness allows manufacturers to maximize interior space and accommodate battery packs, drivetrain components, and other systems.

Efficient Power Distribution: The unique arrangement of planetary gears allows for efficient power distribution and torque management. This is particularly important in electric and hybrid powertrains, where optimal power allocation between different components contributes to overall efficiency.

CVT Functionality: Some hybrid vehicles incorporate Continuously Variable Transmission (CVT) functionality using planetary gearsets. This enables seamless and efficient transitions between various gear ratios, improving the driving experience and enhancing fuel efficiency.

Performance Modes: Planetary gearboxes facilitate the implementation of different performance modes in electric and hybrid vehicles. These modes, such as “Sport” or “Eco,” adjust the power distribution and gear ratios to optimize performance or energy efficiency based on the driver’s preferences.

Reduction Gear for Electric Motors: Electric motors often operate at high speeds and require reduction gearing to match the vehicle’s requirements. Planetary gearboxes provide the necessary gear reduction while maintaining efficiency and torque output.

Efficient Torque Transfer: Planetary gearboxes ensure efficient transfer of torque from the power source to the wheels, resulting in smooth acceleration and responsive performance in electric and hybrid vehicles.

Integration with Energy Storage: Planetary gearboxes contribute to the integration of energy storage systems, such as lithium-ion batteries, by efficiently connecting the power source to the drivetrain while managing power delivery and regeneration.

In summary, planetary gearboxes are integral components of the powertrain systems in electric and hybrid vehicles. They enable efficient power distribution, torque transformation, regenerative braking, and various driving modes, contributing to the overall performance, efficiency, and sustainability of these vehicles.

planetary gearbox

Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment

Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:

High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.

Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.

Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.

Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.

Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.

Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.

Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.

planetary gearbox

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations

Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here’s a closer look at why planetary gearboxes are favored:

  • Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
  • High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
  • Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
  • Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
  • High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
  • Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
  • High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
  • Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.

Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.

China Best Sales NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox   gearbox assembly	China Best Sales NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox   gearbox assembly
editor by CX 2023-09-27