Product Description

Product Description

The output section of the NFR140 series planetary reducer is a round head, and the internal structure adopts an integrated design of the sun gear and the input shaft. The right-angle and specially adapted bearings of the product make it have the characteristics of high load, high precision, and low noise. NER140 series uses automation equipment, various packaging, printing, lithium batteries, LCD screens, manipulators, palletizers, woodworking, doors and windows, and other industries.

Product Name: High Precision Planetary Gearbox
Product Series: NFR140 Series
Features:High precision,high load,low noise
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 optimizes 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
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 8000
Ultraprecise backlash arcmin ≤2
Precision backlash arcmin ≤4
Standard backlash arcmin ≤6
Torsional rigidity Nm/arcmin 50
Max.bending moment Nm 14000
Max.axial force N 11400
Service life hr 30000(15000 under continuous operation)
Efficiency % ≥95%
Weight kg 23.7
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  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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

Limitations and Disadvantages of Using a 90 Degree Gearbox

While 90 degree gearboxes offer various advantages, they also come with limitations and disadvantages that should be considered:

  • Complexity: 90 degree gearboxes are often more complex in design compared to straight-through gearboxes. This complexity can lead to higher manufacturing costs, maintenance challenges, and potential points of failure.
  • Efficiency Loss: The gear meshing and direction changes in a 90 degree gearbox can lead to some energy loss due to friction and mechanical inefficiencies, impacting the overall efficiency of the system.
  • Backlash: Due to the gear meshing and direction changes, 90 degree gearboxes can experience backlash and gear play, which may require additional measures to mitigate and reduce.
  • Size and Weight: The design of 90 degree gearboxes often results in a bulkier and heavier unit compared to some other gearbox configurations, which can impact space constraints and overall system weight.
  • Maintenance Complexity: Accessing and maintaining components within a 90 degree gearbox can be more challenging due to the intricate design and tight spaces, potentially leading to longer maintenance times.
  • Cost: The manufacturing complexity, precision requirements, and additional components needed for 90 degree gearboxes can contribute to higher initial costs compared to simpler gearbox designs.
  • Noise and Vibration: The multiple gear meshing and direction changes can introduce noise and vibration into the system, requiring additional measures for noise reduction and vibration dampening.

It’s important to carefully assess your specific application requirements, space constraints, efficiency goals, and budget considerations before deciding to use a 90 degree gearbox. While they offer unique advantages, these limitations should be taken into account to make an informed gearbox selection.

90 degree gearbox

How a 90 Degree Gearbox Works

A 90 degree gearbox, also known as a right-angle gearbox, operates by changing the direction of rotational motion by 90 degrees. It achieves this by utilizing a combination of gears, typically bevel or miter gears, that transmit power smoothly at a right angle.

Here’s how a 90 degree gearbox works:

  1. Input Shaft: The gearbox receives rotational motion from an input shaft.
  2. Bevel or Miter Gears: Inside the gearbox, bevel or miter gears are positioned at a 90 degree angle to each other. These gears have specially cut teeth that allow them to engage and transmit power at right angles.
  3. Meshing of Gears: As the input shaft rotates, its gear engages with the first bevel or miter gear. The teeth of these gears mesh and transfer rotational force.
  4. Change in Direction: The first gear transfers the rotational motion to the second gear at a right angle, resulting in a change in the direction of motion by 90 degrees.
  5. Output Shaft: The second gear is connected to the output shaft, which receives the changed direction of rotational motion. The output shaft then transmits this motion to the intended machinery or system.

By using precision-cut gears that mesh smoothly, the 90 degree gearbox ensures efficient power transmission while changing the direction of motion. This makes it a valuable component in various applications, including conveyors, printing machinery, automotive drivetrains, machine tools, and robotics.

China OEM Desboer Nfr140 Series Single Segment 90-Degree High-Precision Planetary Gearbox   supplier China OEM Desboer Nfr140 Series Single Segment 90-Degree High-Precision Planetary Gearbox   supplier
editor by CX 2024-04-11