China Best Sales Factory Professional Custom High Precision Low Price Spur Helical Spiral Bevel Gear manufacturer
Product Description
Product Description
Spur Gear/ Helical Gear/ Straight Bevel Gear/ Spiral Bevel Gear/ Worm Gear
With more than 10yeas experience in the field of gear manufacturing, CHINAMFG can supply various kinds of gears, such like Spur Gear/ Helical Gear/ Straight Bevel Gear/ Spiral Bevel Gear/ Worm Gear. It’s equipped with CNC gear hobbing machines, CNC helical gear broaching machines, gear grinding machines and so on, and also equipped with testing equipment, such like gear profile measuring instrument, and hardness testing instrument. It has strong manufacturing ability and quality control ability, enable to supply good quality gears for customer.
| Modulus | M0.5-M12 |
| Processing machine | Forging, Machining, Hobbing teeth, Milling teeth, Shaving teeth, Grinding teeth….… |
| Material | 20CrMnTi/ 20CrMnMo/ 42CrMo/ C45/ 40Cr/ SS304/Brass…… |
| Heat treattment | Carburizing and quenching/ Tempering/ Nitriding/ Carbonitriding/ Induction hardening |
| Hardness | 58-62HRC |
| Qaulity standerd | GB/ DIN/ JIS/ AGMA |
| Accuracy class | 5-8 class |
Spur gear Helical gear Spiral gear
Bevel gear Internal gear ring Small module gear made of brass
Workshop
Equipped with CNC lathe, CNC hobbing teeth machines, CNC broaching teeth machines, CNC grinding teeth machines, Carburizing and Quenchin euqipments, Teeth profile measuring instruments……
Workshop CNC grinding teeth machines
CNC grinding teeth machine CNC Hobbing teeth machine
Teeth profile measuring instrument Carburizing and Quenching
FAQ
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.
Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
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| Application: | Motor, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Machining |
| Toothed Portion Shape: | Spur Gear |
| Material: | 42CrMo/20crmnti/C45/ 40cr |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can you provide examples of machinery that use bevel gears?
Bevel gears are widely used in various machinery and mechanical systems where torque transmission and direction changes are required. These gears are specifically designed to transmit power between intersecting shafts at different angles. Here are some examples of machinery and equipment that commonly use bevel gears:
- Automotive Industry: Bevel gears are extensively used in automotive applications. They can be found in different parts of vehicles, including the differential gear system, powertrain components, steering systems, and transfer cases. In the differential, bevel gears help distribute torque between the drive wheels while allowing them to rotate at different speeds during turns.
- Aerospace Industry: Bevel gears are utilized in various aerospace applications, such as aircraft engines, landing gear systems, and helicopter transmissions. They play a critical role in transferring power and changing the direction of rotation in these high-performance systems.
- Industrial Machinery: Bevel gears are commonly employed in industrial machinery and equipment. They are used in gearboxes, speed reducers, and power transmission systems. Examples include conveyors, mixers, pumps, packaging machinery, printing presses, and textile machinery. Bevel gears allow efficient power transmission and enable the machinery to operate at different speeds and directions as required by the specific application.
- Construction and Heavy Equipment: Bevel gears are found in construction equipment such as cranes, excavators, loaders, and bulldozers. They are integral components of the drivetrain systems, enabling the transfer of power and torque to the wheels or tracks, as well as facilitating steering and movement of the equipment.
- Marine Applications: Bevel gears are utilized in various marine applications, including propulsion systems, marine generators, winches, steering mechanisms, and anchor handling equipment. They help transmit power efficiently and withstand the challenging marine environment.
- Machine Tools: Bevel gears are employed in machine tools such as milling machines, lathes, and grinders. They are essential for transmitting power and facilitating the required speed and direction changes in these precision machining systems.
- Power Plants: Bevel gears are used in power generation facilities, including wind turbines, hydroelectric turbines, and steam turbines. They play a crucial role in converting the rotational motion of the turbine blades into electrical energy by transmitting torque to the generator.
- Mining and Material Handling: Bevel gears are commonly found in mining equipment, conveyor systems, and material handling machinery. They are used to transfer power and facilitate the movement of bulk materials, such as ores, coal, and aggregates.
These examples represent just a few of the many applications where bevel gears are utilized. Bevel gears offer versatility, efficiency, and reliability in transmitting power and changing direction in various mechanical systems across different industries.

How do you calculate the efficiency of a bevel gear?
To calculate the efficiency of a bevel gear, you need to compare the power input to the gear with the power output and account for any losses in the gear system. Here’s a detailed explanation of the calculation process:
The efficiency of a bevel gear can be calculated using the following formula:
Efficiency = (Power output / Power input) x 100%
Here’s a step-by-step breakdown of the calculation:
- Calculate the Power Input: Determine the power input to the bevel gear system. This can be obtained by multiplying the input torque (Tin) by the input angular velocity (ωin), using the formula:
- Calculate the Power Output: Determine the power output from the bevel gear system. This can be obtained by multiplying the output torque (Tout) by the output angular velocity (ωout), using the formula:
- Calculate the Efficiency: Divide the power output by the power input and multiply by 100% to obtain the efficiency:
Power input = Tin x ωin
Power output = Tout x ωout
Efficiency = (Power output / Power input) x 100%
The efficiency of a bevel gear represents the percentage of input power that is effectively transmitted to the output, considering losses due to factors such as friction, gear meshing, and lubrication. It is important to note that the efficiency of a bevel gear system can vary depending on various factors, including gear quality, alignment, lubrication condition, and operating conditions.
When calculating the efficiency, it is crucial to use consistent units for torque and angular velocity. Additionally, it’s important to ensure that the power input and output are measured at the same point in the gear system, typically at the input and output shafts.
Keep in mind that the calculated efficiency is an approximation and may not account for all the losses in the gear system. Factors such as bearing losses, windage losses, and other system-specific losses are not included in this basic efficiency calculation. Actual efficiency can vary based on the specific design and operating conditions of the bevel gear system.
By calculating the efficiency, engineers can evaluate the performance of a bevel gear and make informed decisions regarding gear selection, optimization, and system design.

Can you explain the concept of straight and spiral bevel gears?
Straight and spiral bevel gears are two common types of bevel gears that have different tooth geometries and characteristics. Here’s a detailed explanation of the concept of straight and spiral bevel gears:
Straight Bevel Gears:
Straight bevel gears are a type of bevel gears with straight-cut teeth that are machined on the cone-shaped surface of the gears. The teeth of straight bevel gears are parallel to the gear axis and intersect at a 90-degree angle. These gears are often used when the intersecting shafts need to transmit rotational motion at a right angle.
Straight bevel gears have the following characteristics:
- Tooth Engagement: In straight bevel gears, the tooth engagement occurs gradually as the gears rotate. This results in a relatively smooth and continuous transfer of power between the gears.
- Noise and Vibration: Straight bevel gears can produce more noise and vibration compared to other types of bevel gears, particularly at higher speeds. The straight-cut teeth create impact and noise during the engagement process.
- Efficiency: Straight bevel gears have relatively high efficiency due to their simple tooth geometry and direct engagement.
- Applications: Straight bevel gears are commonly used in applications such as automotive differentials, hand drills, and other mechanical power transmission systems where a 90-degree change in direction is required.
Spiral Bevel Gears:
Spiral bevel gears are another type of bevel gears with curved teeth that are machined on the cone-shaped surface of the gears. The teeth of spiral bevel gears are cut in a spiral pattern, gradually curving along the gear surface. This spiral tooth geometry provides several advantages over straight bevel gears.
Spiral bevel gears have the following characteristics:
- Tooth Engagement: Spiral bevel gears have a more gradual and smoother tooth engagement compared to straight bevel gears. The spiral-shaped teeth allow for progressive contact between the gears, resulting in reduced impact, noise, and vibration.
- Noise and Vibration: Spiral bevel gears produce less noise and vibration compared to straight bevel gears due to their improved tooth engagement characteristics.
- Load Capacity: Spiral bevel gears have higher load-carrying capacity compared to straight bevel gears due to the increased contact area between the gear teeth. This makes them suitable for applications that require higher torque transmission.
- Efficiency: Spiral bevel gears have slightly lower efficiency compared to straight bevel gears due to the sliding action between the teeth during engagement. However, advancements in gear design and manufacturing techniques have improved their efficiency.
- Applications: Spiral bevel gears are commonly used in applications where smooth and quiet operation is required, such as automotive rear axle drives, machine tools, and industrial machinery.
In summary, straight bevel gears have straight-cut teeth that intersect at a 90-degree angle, while spiral bevel gears have curved teeth that engage in a spiral pattern. Straight bevel gears are suitable for applications that require a right angle change in direction, while spiral bevel gears provide smoother engagement, reduced noise, and higher load-carrying capacity. The selection between straight and spiral bevel gears depends on the specific requirements of the application, including the desired level of noise, vibration, efficiency, and torque transmission.


editor by CX 2023-12-26