Product Description

Product Description

NBR142 series adopts an integrated design of sun gear and input shaft, integrated design of output structure, and increased right-angle design for more flexible installation and space-saving. The product has the characteristics of high load, high precision, and low noise, focusing on the use of automation equipment, various types of packaging, printing, lithium-ion, LCD, robot, palletizers, woodworking, doors, windows, and other industry sectors.        
 
         
 

Product Name: High Precision Planetary Gearbox
Product Series: NBR142 Series
Product features: high precision, high load, low noise, high flexibility, space saving.
Product Description:
Integrated design concept with high strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimises power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High precision
High load
Low noise
High flexibility
Space saving
 

Detailed Photos

Product Parameters

 

Segment number Single segment
Ratio i 3 4 5 6 7 8 9 10 14 20
Rated output torque Nm 320 490 610 570 520 470 420 420 520 420
Emergency stop torque Nm Three times of Maximum Output Torque
Rated input speed Rpm 3000
Max input speed Rpm 6000
Ultraprecise backlash arcmin ≤2
Precision backlash arcmin ≤4
Standard backlash arcmin ≤6
Torsional rigidity Nm/arcmin 50
Max.bending moment Nm 9400
Max.axial force N 4700
Service life hr 20000(10000 under continuous operation)
Efficiency % ≥95%
Weight kg 24.5
Operating Temperature ºC -10ºC~+90ºC
Lubrication   Synthetic grease
Protection class   IP64
Mounting Position   All directions
Noise level(N1=3000rpm,non-loaded) dB(A) ≤70
Rotary inertia Kg·cm² 23.4 21.8

Applicable Industries

                      Packaging   Machinery                                           Mechanical  Hand                                                    Textile  Machinery

                    Non  Standard  automation                                              Machine  Tool                                                    Printing    Equipment 

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: All Direction
Layout: Planetary Gearbox
Gear Shape: Helical Gear
Step: Single-Step
Customization:
Available

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Customized Request

90 degree gearbox

Role of Bevel Gears in a 90 Degree Gearbox

Bevel gears play a crucial role in enabling a 90 degree gearbox to change the direction of rotation while transmitting power between two intersecting shafts. Here’s how bevel gears fulfill their role:

Bevel gears are a type of gears with conically shaped teeth that allow them to mesh at an angle. In a 90 degree gearbox, two sets of bevel gears are used:

  1. Input Bevel Gear Set: The input bevel gear set consists of a pair of bevel gears that are mounted on the input shaft. These gears have their axes at a 90 degree angle to each other. As the input shaft rotates, the meshing of these bevel gears transmits motion and power to the intermediate shaft.
  2. Output Bevel Gear Set: The output bevel gear set, also consisting of a pair of bevel gears, is mounted on the intermediate shaft. These gears mesh with the input bevel gears and are oriented at a 90 degree angle to them. This arrangement results in a change of direction by 90 degrees from the input shaft to the output shaft.

By using two sets of bevel gears at a 90 degree angle to each other, the 90 degree gearbox effectively changes the direction of rotation while maintaining power transmission. Bevel gears are designed to handle the intersecting shafts’ angular motion and provide reliable torque transfer even in situations where the input and output shafts are not aligned in the same plane.

The bevel gear arrangement in a 90 degree gearbox allows for versatile applications, making it possible to transmit power and motion efficiently around corners and tight spaces in various industrial and mechanical systems.

90 degree gearbox

Impact of a 90 Degree Gearbox on System Efficiency

A 90 degree gearbox can have both positive and negative impacts on the overall efficiency of a system:

  • Positive Impact: In systems where space constraints or directional changes are critical, a 90 degree gearbox enables the transmission of power and torque at a right angle, allowing for compact designs and efficient use of available space.
  • Negative Impact: However, a 90 degree gearbox can also introduce efficiency losses due to several factors:
  • Friction: The additional gear meshing in a 90 degree gearbox introduces more points of contact and friction, leading to energy loss in the form of heat and decreased efficiency.
  • Direction Changes: Changing the direction of power transmission requires additional gear engagement and disengagement, leading to mechanical inefficiencies and energy losses.
  • Gear Design: The gear profiles and design used in 90 degree gearboxes may not be as optimized for efficiency as those in straight-through gearboxes, resulting in more energy loss.

It’s important to assess the specific requirements of the system and the trade-offs between space savings and efficiency. In some cases, the benefits of using a 90 degree gearbox may outweigh the efficiency losses, while in others, alternative gearbox designs may be more suitable to achieve higher overall system efficiency.

90 degree gearbox

90 Degree Gearbox: Definition and Applications

A 90 degree gearbox, also known as a right-angle gearbox or a 90 degree gear drive, is a mechanical device used to change the direction of rotational motion by 90 degrees. It is designed to transmit power and torque between two shafts that are positioned perpendicular to each other.

These gearboxes are commonly used in applications where space constraints or the need to change the direction of motion require a compact and efficient solution. Here are some common applications of 90 degree gearboxes:

  • Conveyors: In industrial systems, 90 degree gearboxes are used to change the direction of material flow on conveyors that need to turn corners.
  • Printing Machinery: Printing presses often require the ability to change the direction of paper or other materials as they move through the printing process.
  • Automotive: 90 degree gearboxes can be found in vehicles’ drivetrain systems, especially in four-wheel-drive or all-wheel-drive setups where power needs to be transferred to front and rear axles.
  • Machine Tools: Machine tools, such as milling machines and lathes, may require a change in the direction of motion to perform specific operations.
  • Robotics: Industrial robots and automation equipment often use 90 degree gearboxes to redirect motion in tight spaces.

The 90 degree gearbox achieves its function through a combination of gears, usually bevel or miter gears, that transmit power smoothly at a right angle. The gear teeth engage and transfer the rotational force from one shaft to the other, allowing the machinery to function effectively even when space limitations prevent a direct alignment of the input and output shafts.

Overall, the 90 degree gearbox is a versatile and essential component in various industries where the redirection of motion is required to achieve specific tasks efficiently.

China OEM Desboer NBR142 Series Single Segment 90-Degree High Precision Planetary Gearbox   best automatic gearbox	China OEM Desboer NBR142 Series Single Segment 90-Degree High Precision Planetary Gearbox   best automatic gearbox
editor by CX 2023-10-12