China Good quality Customized Spiral Bevel Gears for Agricultural Machinery, Automobiles and Construction Machinery hypoid bevel gear

Product Description

1) According to the different strength and performance, we choose the steel with strong compression;
2) Using Germany professional software and our professional engineers to design products with more reasonable size and better performance; 3) We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;
4) Quality assurance in every step to ensure product quality is controllable.

Product Paramenters






























Company Profiles

Our company,HangZhou CHINAMFG Gear co.,Ltd , specialized in Hypoid and spiral bevel gear used in Automotive industry, was foundeded in 1996, with registered capital 136,8 square meter, with building area of 72,000 square meters. More than 500 employees work in our company.
 We own more than 560 high-precise machining equipments, 10 Klingelnberg Oerlikon gear production lines, 36 Gleason gear production lines, 5 forging production lines 2 german Aichilin and 5 CHINAMFG CHINAMFG advanced automatic continuous heat treatment production lines. With the introducing the advanced Oerlikon C50 and P65 measuring center, we enhence our technology level and improve our product quality a lot. We offer better quality  and good after-sale service with low price, which insure the good reputation. With the concept of “for the people, by technology, creativity, for the society, transfering friendship, honest”, we are trying to provice the world-top level product.
Our aim is: CHINAMFG Gear,world class, Drive the world.
According to the different strength and performance, we choose the steel with strong compression;Using Germany professional software and our professional engineers to design products with more reasonable size and better performance;We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;Quality assurance in every step to ensure product quality is controllable.
Our company had full quality management system and had been certified by ISO9001:2000, QS-9000:1998, ISO/TS16949 , which insure the entrance of international market.

Certification & honors

Packaging & Shipping

Packaging Detail:standard package(carton ,wooden pallet).
Shipping:Support Sea freight. Accept FOB,EXW,FAS,DES. 


Cooperative customers

HangZhou CHINAMFG Gear Co., Ltd. adheres to the concept of “people-oriented, prosper with science and technology; create high-quality products, contribute to the society; turn friendship, and contribute sincerely”, and will strive to create world automotive axle spiral bevel gear products.

1.Do you provide samples?
Yes,we can offer free sample but not pay the cost of freight.
2.What about OEM?
Yes,we can do OEM according to your requirements.
3.How about after-sales service?
We have excellent after-sales service if you have any quanlity problem,you can contact us anytime.
4.What about package?
Stardard package or customized package as requirements.
5.How to ensure the quanlity of the products?
We can provide raw meterial report,metallographic examination and the accuracy testing etc.
6.How long is your delivery time?
Genarally it is 4-7 days.If customized it will be take 20 days according to your quantity.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Herringbone Gear
Material: Cast Steel
US$ 60/Set
1 Set(Min.Order)

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Customized Request

automobile gear

How do gearboxes contribute to the overall performance and acceleration of a car?

Gearboxes play a vital role in the overall performance and acceleration of a car. Here’s a detailed explanation:

1. Gear Ratio:

The primary function of a gearbox is to provide different gear ratios between the engine and the wheels. Each gear ratio determines the relationship between the rotational speed of the engine (measured in RPM) and the rotational speed of the wheels. By changing gears, the gearbox allows the engine to operate more efficiently across a range of speeds.

2. Torque and Power:

Gearboxes help optimize torque and power delivery from the engine to the wheels. Lower gears provide higher torque multiplication, which means greater force is applied to the wheels, resulting in improved acceleration. Higher gears, on the other hand, allow the engine to operate at lower RPMs, maximizing fuel efficiency during cruising or maintaining high speeds.

3. Acceleration:

A well-designed gearbox enables the car to accelerate quickly. Lower gears, such as first and second gears, provide high torque multiplication, allowing the car to overcome inertia and swiftly gain speed from a standstill. As the car gains momentum, higher gears are used to maintain speed efficiently.

4. Engine Operating Range:

Each engine has an optimal operating range where it produces the most power and torque. Gearboxes ensure that the engine operates within this range by allowing the driver to upshift or downshift based on the speed and load conditions. Keeping the engine within the optimal operating range enhances performance and responsiveness.

5. Fuel Efficiency:

Proper gear selection can significantly impact fuel efficiency. By allowing the engine to operate at lower RPMs in higher gears, the gearbox helps reduce fuel consumption during steady-state cruising. Additionally, modern gearboxes often incorporate technologies such as overdrive gears or continuously variable transmissions (CVT) to further optimize fuel efficiency.

6. Adaptive Gearbox Systems:

Some advanced car models feature adaptive gearbox systems that adjust gearshift patterns based on driving conditions, such as throttle input, road gradient, and vehicle speed. These systems aim to provide optimal performance, acceleration, and fuel efficiency by continuously analyzing various parameters and selecting the most appropriate gear ratio.

7. Manual vs. Automatic Gearboxes:

Both manual and automatic gearboxes contribute to the overall performance and acceleration of a car. Manual gearboxes offer more direct control, allowing skilled drivers to optimize gear selection for maximum performance. Automatic gearboxes, on the other hand, use complex algorithms and sensors to shift gears automatically, providing smooth acceleration and convenience.

In summary, gearboxes have a significant impact on the overall performance and acceleration of a car. By providing different gear ratios, optimizing torque delivery, and allowing the engine to operate within its optimal range, gearboxes enhance acceleration, fuel efficiency, and overall driving experience.

automobile gear

What is a continuously variable transmission (CVT) and how does it work in cars?

A continuously variable transmission (CVT) is a type of automatic transmission that provides an infinite number of gear ratios within a specific range. Here’s a detailed explanation of how it works:

In a traditional transmission, gears of different sizes are used to achieve different gear ratios. These gears have fixed ratios, and the transmission shifts between them to adjust the speed and torque output. In contrast, a CVT uses a different mechanism to vary the gear ratios.

1. Pulleys and Belt/Chain System:

A CVT consists of two pulleys connected by a metal belt or a chain. Each pulley has two halves that can move closer together or farther apart. One pulley is connected to the engine, and the other is connected to the wheels.

2. Variable Pulley Diameter:

The pulleys in a CVT have variable diameters. As the pulley halves move closer together, the effective diameter decreases, and as they move farther apart, the effective diameter increases. This adjustment of the pulley diameters allows for continuous variation of the gear ratio.

3. Belt/Chain Movement:

The metal belt or chain runs between the two pulleys. When the effective diameter of one pulley decreases, the belt or chain moves towards the larger diameter on the other pulley. As a result, the contact point on the pulleys changes, altering the effective gear ratio.

4. Hydraulic or Electronic Control:

To control the movement of the pulleys, a CVT uses a hydraulic or electronic control system. This system monitors various factors, such as vehicle speed, engine load, throttle input, and acceleration demands, to determine the optimal gear ratio. It then adjusts the position of the pulley halves accordingly.

5. Seamless Gear Ratio Changes:

Due to the continuous variation of the pulley diameters, a CVT provides seamless gear ratio changes. It can continuously adjust the gear ratio to keep the engine operating at its most efficient RPM for a given driving condition. This flexibility allows the engine to deliver power more effectively and improves fuel efficiency.

6. “Step” or “Shift” Modes:

Some CVTs offer “step” or “shift” modes to simulate traditional gear shifting. In these modes, the CVT may have predefined ratios or “virtual” gears that mimic the feel of gear changes. This can provide a more familiar driving experience for those accustomed to traditional automatic transmissions.

CVTs are known for their smoothness and fuel efficiency. By continuously adjusting the gear ratio to match the engine’s power output and the driving conditions, a CVT helps optimize fuel consumption. They are commonly found in smaller vehicles and hybrid cars.

However, it’s worth noting that CVTs may have a different driving feel compared to traditional transmissions, as the engine RPM can remain relatively constant during acceleration. Some drivers may prefer the stepped gear changes of conventional transmissions for a more engaging driving experience.

“`automobile gear

How does an automatic transmission differ from a manual transmission?

An automatic transmission and a manual transmission differ in several ways. Here’s a detailed explanation:

1. Gear Shifting:

In a manual transmission, the driver manually operates the clutch pedal and gearshift lever to engage and disengage gears and select the appropriate gear ratio. This requires coordination between the clutch, accelerator, and gearshift movements.

On the other hand, an automatic transmission shifts gears automatically without driver intervention. It uses a torque converter or a dual-clutch system to smoothly transition between gears based on factors such as vehicle speed, engine load, and throttle input. The driver only needs to select the driving mode (e.g., “Drive,” “Sport,” or “Economy”) and control the accelerator and brake pedals.

2. Clutch Operation:

In a manual transmission, the clutch pedal is used to engage or disengage the engine from the transmission. When changing gears, the driver depresses the clutch pedal, which temporarily disconnects the engine’s power from the transmission. This allows for smooth gear engagement and disengagement.

In an automatic transmission, there is no clutch pedal. Instead, it uses a torque converter or a dual-clutch system to transmit power from the engine to the transmission. These systems automatically manage the power transfer and eliminate the need for manual clutch operation.

3. Driver Involvement:

A manual transmission requires more driver involvement and skill. The driver must actively engage the clutch pedal, shift gears, and match engine RPMs to achieve smooth gear changes. This level of control can be preferred by enthusiasts who enjoy the engagement and control over the vehicle’s performance.

An automatic transmission offers a more relaxed driving experience as it shifts gears automatically. The driver can focus on steering, acceleration, and braking without the need to manually operate the clutch or shift gears. This convenience is especially beneficial in heavy traffic or during long-distance drives.

4. Fuel Efficiency:

In the past, manual transmissions were generally more fuel-efficient than automatic transmissions. This was because the driver had more control over gear selection and could optimize engine RPMs for better fuel economy. However, advancements in automatic transmission technology, such as the introduction of continuously variable transmissions (CVTs) and improved gearshift algorithms, have narrowed the fuel efficiency gap between manual and automatic transmissions.

Modern automatic transmissions often incorporate features like multiple gears, adaptive shift patterns, and torque converter lock-up for improved fuel efficiency. Some automatic transmissions even offer manual shift modes or paddle shifters, allowing the driver to manually select gears when desired.

5. Market Availability:

Manual transmissions are less common in certain regions, such as North America, where automatic transmissions dominate the market. Automatic transmissions are widely available and come as standard or optional equipment in most vehicles. Manual transmissions are more prevalent in certain markets, such as Europe, where they are preferred by a significant portion of drivers.

Overall, the main differences between automatic and manual transmissions lie in the gear-shifting mechanism, clutch operation, driver involvement, fuel efficiency, and market availability. The choice between the two depends on individual preferences, driving conditions, and the desired level of control and convenience.

China Good quality Customized Spiral Bevel Gears for Agricultural Machinery, Automobiles and Construction Machinery hypoid bevel gearChina Good quality Customized Spiral Bevel Gears for Agricultural Machinery, Automobiles and Construction Machinery hypoid bevel gear
editor by CX 2023-09-23