China Best Sales 3mx28z Windrower Header Box Bevel Gear with Hot selling

Product Description

modulus Series I 0.1 0.1 0.2 0.2 0.3 0.3 0.4 1 0.6 1 1 1.3 2 2
2.5 3 4 5 6 8 10 12 16 20 25 32 40 50
Series 2 0.4 0.7 0.9 1.8 2.3 2.8 3.3 4 3.8 5 6 6.5 7 9
11 14 18 22 28 36 45 First series preferred


lationship between modulus and diametral pitch   DP:Diametral pitch               m:modulus


Main parameter Diameter High Weight /Kg Inner hole specification Material
87 29 0.51 Ø20-6 20CrMnTi
Modulo 3 Number of teeth 28 Hardness HRC58-62


Single bond
Simple process and high universality

20 ° pressure angle


Wide application scope and strong universality


Forging blank
High density, high strength, material saving


1 Q: Notice before purchase
A: The parameters in the product details are reference values, which may be different from the actual size. Before making an order, be sure to confirm the size you need with our customer service. All rubber parts, CHINAMFG and other vulnerable parts are not covered by the San Bao warranty.
2 Q: Questions about return and replacement
A: As the goods are customized products, all products must be sampled before batch ordering to determine the size data and performance data. We will not accept any request for return or replacement of products that are directly customized in batches without passing the sample verification of relevant performance. Please fully communicate with us before ordering the samples. Once the samples are sold, they will not be returned or replaced.
3 Q: Payment method
A: 50% of the total payment for goods shall be paid at the time of ordering, and the contract shall be deemed to be effective after the payment is received; The balance payment shall be paid after the goods are produced and packaged, and the goods shall be delivered after the balance payment is received.
4 Q: Who bears the transportation and packaging costs?
A: According to the principle of proximity, we will pay the transportation and packaging costs from the company to the site (international express) or port, and the later costs after the goods arrive at the site or port will be borne by the buyer.
5 Q: How long is the delivery time?
A: Due to product characteristics, except for a few products with a small amount of inventory, the production of other products starts after the order contract takes effect. Therefore, the supply cycle should be determined according to the order.
6 Q: How to ensure the safety of cargo transportation?
A: Before the product leaves the factory, the most suitable packaging method among carton, wooden case, tray, iron basket, iron box and container will be selected according to the characteristics of the product. At the same time, adhesive tape, packing belt, steel belt, adhesive tray film, foam board, bubble film and other packing materials will be used to seal, fix and cushion the filling materials, so as to ensure the safety of the goods during transportation as far as possible.

Application: Agricultural Machinery
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Cut Gear
Toothed Portion Shape: Bevel Wheel
Material: Carburizing Steel-20crmnti
US$ 7.5/Piece
1 Piece(Min.Order)

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bevel gear

Are bevel gears suitable for high-torque applications?

Bevel gears can indeed be suitable for high-torque applications, depending on various factors such as the specific design, material selection, and proper application engineering. Here’s a detailed explanation:

Bevel gears are known for their ability to transmit power between intersecting shafts at different angles. They can handle significant torque loads and are commonly used in applications that require high-torque transmission. However, the suitability of bevel gears for high-torque applications depends on the following factors:

  • Design: The design of the bevel gears plays a crucial role in their ability to handle high torque. Factors such as tooth profile, size, and geometry impact the load-carrying capacity and torque transmission capability. Bevel gears with robust and optimized designs, including suitable tooth profiles and adequate tooth engagement, can effectively handle high-torque applications.
  • Material Selection: The choice of materials for bevel gears is critical in high-torque applications. Gears need to be made from materials with high strength, hardness, and wear resistance to withstand the forces and stresses involved in transmitting high torque. Common materials used for bevel gears include alloy steels, carburizing steels, and specialty alloys. Material selection should consider the specific torque requirements, operating conditions, and anticipated loads to ensure the gears can handle the desired torque levels.
  • Lubrication: Proper lubrication is essential for reducing friction, wear, and heat generation in high-torque bevel gear applications. Adequate lubrication helps maintain a lubricating film between the gear teeth, minimizing metal-to-metal contact and associated losses. The lubricant type, viscosity, and replenishment schedule should be selected based on the torque and operating conditions to ensure effective lubrication and minimize gear wear.
  • Gear Size and Ratio: The size of the bevel gears and the gear ratio can influence their torque-handling capability. Larger gears generally have greater tooth strength and load-carrying capacity, making them more suitable for high-torque applications. The gear ratio should also be considered to ensure it is appropriate for the desired torque transmission and to avoid excessive loads on the gears.
  • Operating Conditions: The operating conditions, including speed, temperature, and shock loads, must be taken into account when determining the suitability of bevel gears for high-torque applications. Higher speeds and extreme operating temperatures can affect the gear material properties, lubrication performance, and overall gear system efficiency. Proper cooling, temperature control, and gear protection measures should be implemented to maintain reliable performance under high-torque conditions.

By considering these factors and properly engineering the bevel gear system, it is possible to utilize bevel gears in high-torque applications effectively. However, it is crucial to consult with experienced engineers and perform thorough analysis and testing to ensure the gears can handle the specific torque requirements of the application.

bevel gear

Can bevel gears be used in both horizontal and vertical orientations?

Yes, bevel gears can be used in both horizontal and vertical orientations, although certain considerations should be taken into account for each orientation. Here’s a detailed explanation:

Bevel gears are versatile and can accommodate various shaft orientations, including horizontal and vertical arrangements. The suitability of bevel gears for a specific orientation depends on factors such as load distribution, lubrication, and potential effects of gravity. Here are some considerations for each orientation:

  • Horizontal Orientation: In horizontal applications, where the shafts are parallel to the ground, bevel gears can be used effectively. Proper lubrication is crucial to ensure adequate film formation and minimize friction and wear. Horizontal orientation typically allows for good load distribution among the gear teeth, promoting even wear and reducing the risk of localized stress concentrations. However, it is important to consider the effects of axial forces and thrust loads that may be present in the system and ensure that the gear design and bearings can handle these loads appropriately.
  • Vertical Orientation: When bevel gears are used in a vertical orientation, where the shafts are perpendicular to the ground, additional considerations come into play. Gravity can introduce new challenges, such as the potential for gear thrust loads, lubricant pooling, and inadequate load distribution. To address these challenges, steps can be taken, including incorporating thrust bearings or thrust plates to handle axial forces, optimizing gear design to ensure proper load sharing, and implementing suitable lubrication methods to prevent lubricant pooling and ensure consistent lubrication to all gear surfaces. Additionally, proper sealing measures may be necessary to prevent lubricant leakage in the vertical orientation.

Overall, by considering the specific requirements and challenges associated with each orientation, bevel gears can be successfully utilized in both horizontal and vertical arrangements. Careful attention to design, lubrication, load distribution, and thrust management can help ensure reliable and efficient operation in either orientation.

It is important to note that for certain extreme or specialized applications, additional considerations and modifications may be required to accommodate the specific demands of the gear system. Consulting with experienced engineers and considering application-specific factors will help determine the most suitable gear design and orientation for a given application.

bevel gear

How do you calculate the gear ratio of a bevel gear?

Calculating the gear ratio of a bevel gear involves determining the ratio between the number of teeth on the driving gear (pinion) and the driven gear (crown gear). Here’s a detailed explanation of how to calculate the gear ratio of a bevel gear:

The gear ratio is determined by the relationship between the number of teeth on the pinion and the crown gear. The gear ratio is defined as the ratio of the number of teeth on the driven gear (crown gear) to the number of teeth on the driving gear (pinion). It can be calculated using the following formula:

Gear Ratio = Number of Teeth on Crown Gear / Number of Teeth on Pinion Gear

For example, let’s consider a bevel gear system with a crown gear that has 40 teeth and a pinion gear with 10 teeth. The gear ratio can be calculated as follows:

Gear Ratio = 40 / 10 = 4

In this example, the gear ratio is 4:1, which means that for every four revolutions of the driving gear (pinion), the driven gear (crown gear) completes one revolution.

It’s important to note that the gear ratio can also be expressed as a decimal or a percentage. For the example above, the gear ratio can be expressed as 4 or 400%.

Calculating the gear ratio is essential for understanding the speed relationship and torque transmission between the driving and driven gears in a bevel gear system. The gear ratio determines the relative rotational speed and torque amplification or reduction between the gears.

It’s worth mentioning that the gear ratio calculation assumes ideal geometries and does not consider factors such as backlash, efficiency losses, or any other system-specific considerations. In practical applications, it’s advisable to consider these factors and consult gear manufacturers or engineers for more accurate calculations and gear selection.

In summary, the gear ratio of a bevel gear is determined by dividing the number of teeth on the crown gear by the number of teeth on the pinion gear. The gear ratio defines the speed and torque relationship between the driving and driven gears in a bevel gear system.

China Best Sales 3mx28z Windrower Header Box Bevel Gear with Hot sellingChina Best Sales 3mx28z Windrower Header Box Bevel Gear with Hot selling
editor by CX 2023-09-22