China Professional Spiral Bevel Gear Unit Box cycle gear

Product Description

Product Description
 

HD series spiral bevel gear unit is composed of a pair of spiral bevel gears.

Mounting position: the shape of the housing is a regular hexahedron, which can be installed in different ways.

Technical data:

 motor power:    0.12KW~160KW

rated output torque: 3N·m~1000N·m

gear ratio:1~5

Product Show
 

Product Specification

Product Features
1. Spiral bevel gearboxes with various types are standardized, all ratios of 1:1, 1.5:1, 2:1, 2.5:1, 3:1, 4:1, and 5:1 are actual ones, and average efficiency is 98%.
2. Gear can rotate in both directions and transmit smoothly, with low noise, light vibration, and high load capacity.
3. Modular design, has many ratios, motor combinations, mounting positions, and structures to meet the different working conditions.
4. Gears are made of high-quality alloy steel, the surface hardness can be HRC58-62 after heat treatment (such as carburizing and quenching), and the precision is 5-6 grades.
5. Using computer gear tooth modification technology to improve the load capacity of the reducer.
There is a single axis, double horizontal shaft, vertical single, and double longitudinal axis as optional. It is widely used in metallurgy, mining, petrochemical, tobacco, ceramics, rubber, grain and oil food, beer beverage, transportation, and domestic emerging logistics equipment, parking equipment, environmental protection, and other industries. The spiral bevel gears can be positive and negative, low speed or high speed. 
General Technical data
Housing material HT250 high-strength Cast Iron
Housing hardness HBS190-240
Pinion material 20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input/output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil  L-CKC220  (GB 5903-95) 
Heat treatment tempering, cementing, quenching, etc.
Efficiency 98%
Noise (MAX) 60~68dB
Temp. rise  (MAX) 40°C 
Temp. rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China Top brand C&U, LYC, TMB or other brands requested, S K F…..
Brand of oil seal CTY— ZheJiang or other brands requested

Package

Plastic bag + wooden carton
 

Company  Profiles

     
-We are a leading gear motor manufacturer
ZHangZhoug Xihu (West Lake) Dis.hai Reducer is a leading manufacturer of gear motors and gearboxes.
Since 1991, we have specialized in manufacturing a wide range of gear motors and gearboxes including:
 

  • helical gear motor
  • helical bevel gear motor
  • parallel shaft helical gear motor
  • helical worm gear motor
  • hoist drive
  • heavy-duty helical gearbox
  • heavy-duty helical bevel gearbox
  • gear motor for the car parking system
  • spiral bevel gearbox

Certificate

FAQ

Q: Can you print other colors?
Yes. Customized colors can be printed on the gear motor according to your requirements.
Q: Is that the factory price?
Yes. We assure you all prices are based on the factory.
Q:  What is the lifespan? what is the guarantee
The lifespan of a gear motor can reach 5-20 years depending on different working conditions. The guarantee time is 1 year after delivery.
Q: What documents are available?
A full range of documents including structural drawings, packing list, installation manual, and relative certificates can be provided. Moreover, customs declaration is provided. We provide a one-stop service for you. 
Q: Is it able to customize?
yes, we could re-design and produce the gear motor for your request if the total or plHangZhou quantity is enough.
 

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Three-Step

spiral gear

What is the role of spiral bevel gears in drivetrain systems?

Spiral bevel gears play a crucial role in drivetrain systems, contributing to power transmission, torque redirection, and overall performance. Here’s an overview of the role of spiral bevel gears in drivetrain systems:

  • Torque Transfer: Spiral bevel gears are responsible for transmitting torque between the engine and the drivetrain components. They are commonly used in vehicle differentials and transfer cases to distribute torque to the wheels or other output shafts. Their precise tooth meshing ensures efficient power transfer, allowing the vehicle to move and effectively utilize engine power.
  • Torque Redirection: In drivetrain systems, spiral bevel gears are utilized to redirect torque and change the direction of power flow. For example, in rear-wheel drive vehicles, the spiral bevel gears in the differential redirect torque from the driveshaft to the rear wheels, enabling the vehicle to turn smoothly. Similarly, in four-wheel drive or all-wheel drive systems, spiral bevel gears in the transfer case redirect torque between the front and rear axles, providing traction and improved handling on various terrains.
  • Gear Ratio Selection: Spiral bevel gears can be designed with different gear ratios to optimize vehicle performance. By choosing appropriate gear ratios, drivetrain systems can provide the desired balance between torque, speed, and efficiency. Spiral bevel gears allow for a wide range of gear ratio options, enabling manufacturers to tailor the drivetrain system to specific vehicle types and applications.
  • Noise and Vibration Control: Spiral bevel gears are designed to minimize noise and vibrations in drivetrain systems. The helical tooth profile of spiral bevel gears allows for smoother tooth engagement, reducing gear meshing noise and vibration levels. This enhances driving comfort and reduces wear and tear on the drivetrain components.
  • Compact Design: Spiral bevel gears offer a compact and space-efficient design, making them suitable for integration into drivetrain systems with limited space. Their compactness allows for efficient power transfer while optimizing the packaging of the drivetrain components within the vehicle chassis.
  • Durability and Reliability: Drivetrain systems are subjected to demanding operating conditions, and spiral bevel gears are designed to withstand these challenges. They are engineered to provide durability and reliable performance under high loads, ensuring the drivetrain system’s longevity and minimizing the need for frequent maintenance.

Overall, spiral bevel gears play a vital role in drivetrain systems by enabling torque transfer, torque redirection, gear ratio selection, noise control, compact design, and ensuring durability. Their precise and efficient operation contributes to the performance, efficiency, and reliability of various vehicles, ranging from passenger cars to heavy-duty trucks and off-road vehicles.

spiral gear

How do you calculate the gear ratio in a spiral gear system?

The gear ratio in a spiral gear system can be calculated by comparing the number of teeth on the driving gear (pinion) to the number of teeth on the driven gear (gear). The gear ratio represents the ratio of the angular velocity (speed) of the driving gear to the angular velocity of the driven gear. Here’s the formula to calculate the gear ratio:

Gear Ratio = Number of Teeth on Driven Gear / Number of Teeth on Driving Gear

For example, consider a spiral gear system where the driving gear (pinion) has 20 teeth, and the driven gear (gear) has 40 teeth. The gear ratio can be calculated as follows:

Gear Ratio = 40 / 20 = 2

In this example, the gear ratio is 2, which means the driven gear will rotate at half the speed of the driving gear. This calculation assumes that the gears have the same module (gear size) and that there are no additional gear stages in the system.

It’s important to note that the gear ratio determines the speed and torque relationship between the driving and driven gears. A gear ratio greater than 1 (e.g., 2, 3, etc.) indicates a reduction in speed and an increase in torque, while a gear ratio less than 1 (e.g., 0.5, 0.75, etc.) indicates an increase in speed and a reduction in torque.

When working with spiral gears, it’s essential to consider the helix angle and axial thrust in addition to the gear ratio to ensure proper gear design and performance.

spiral gear

What are spiral gears and how are they used in machinery?

Spiral gears are a type of cylindrical gears with teeth that are curved in a spiral pattern. Unlike straight-cut gears, which have teeth that are parallel to the gear axis, spiral gears have teeth that are angled or helical. This helical tooth arrangement provides several advantages in terms of performance and noise reduction.

Spiral gears are commonly used in machinery for various applications due to the following reasons:

  • Smooth and Quiet Operation: The helical tooth arrangement of spiral gears enables gradual tooth engagement, resulting in smoother and quieter operation compared to straight-cut gears. The angled teeth allow for gradual contact, reducing noise and vibration during gear meshing.
  • Increased Load Capacity: The helical tooth design of spiral gears distributes the load over multiple teeth, increasing the load-carrying capacity. This makes spiral gears suitable for applications that require high torque transmission and heavy-duty operations.
  • Improved Efficiency: The helical tooth arrangement of spiral gears helps in minimizing sliding friction between the teeth. This results in a higher level of efficiency compared to straight-cut gears, as there is reduced power loss due to friction during gear operation.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, which helps in canceling out the axial thrust generated during gear meshing. This feature eliminates the need for additional thrust bearings, simplifying the gear design and reducing complexity.
  • Versatility: Spiral gears can be manufactured in various configurations, including spur, helical, and double helical designs. This versatility allows for their application in a wide range of machinery, including automotive systems, industrial equipment, and power transmission systems.

In machinery, spiral gears are commonly used in applications that require smooth operation, high load capacity, and efficient power transmission. Some examples include gearboxes, automotive differentials, machine tools, and heavy-duty industrial machinery.

Overall, the unique tooth geometry of spiral gears makes them a preferred choice in many machinery applications, offering improved performance, reduced noise, and enhanced load-carrying capabilities.

China Professional Spiral Bevel Gear Unit Box cycle gearChina Professional Spiral Bevel Gear Unit Box cycle gear
editor by CX 2023-09-11

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