Product Description
1.Product Description
2.1.Spiral Bevel Gear Processing
Grinded Spiral Bevel Gear drawing CHECK, Make casting Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing.
2.2. Bevel Gear Package
Spray anti-rust oil on Casting bevel pinion, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.
2.3. OEM Customized Spiral Bevel Pinion
We supply OEM SERVICE, customized Bevel gear with big module, more than 100kg big weight, more than 1m diameter, 42CrMo/35CrMo or your specified required material Bevel gear pinion.
2.Product Technical info.
Module | m | Range: 5~70 |
Gear Teeth Number | z | OEM by drawing’s technical parameters |
Teeth Height | H | OEM by drawing’s technical parameters |
Teeth Thickness | S | OEM by drawing’s technical parameters |
Tooth pitch | P | OEM by drawing’s technical parameters |
Tooth addendum | Ha | OEM by drawing’s technical parameters |
Tooth dedendum | Hf | OEM by drawing’s technical parameters |
Working height | h’ | OEM by drawing’s technical parameters |
Bottom clearance | C | OEM by drawing’s technical parameters |
Pressure Angle | α | OEM by drawing’s technical parameters |
Helix Angle, | OEM by drawing’s technical parameters | |
Surface hardness | HRC | Range: HRC 50~HRC63(Quenching) |
Hardness: | HB | Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface |
Surface finish | Range: Ra1.6~Ra3.2 | |
Tooth surface roughness | Ra | Range: ≥0.4 |
Gear Accuracy Grade | Grade Range: 5-6-7-8-9 (ISO 1328) | |
Diameter | D | Range: 1m~16m |
Weight | Kg | Range: Min. 100kg~Max. 80tons Single Piece |
Gear Position | Internal/External Gear | |
Toothed Portion Shape | Spur Gear/Bevel/Spiral/Helical/Straight | |
Shaft shape | Herringbone Gear Shaft / Gear Shaft / Eccentric Shaft / Spur Gear / Girth Gear / Gear Wheel | |
Material | Forging/ Casting |
Forging/ Casting 45/42CrMo/40Cr or OEM |
Manufacturing Method | Cut Gear | |
Gear Teeth Milling | √ | |
Gear Teeth Grinding | √ | |
Heat Treatment | Quenching /Carburizing | |
Sand Blasting | Null | |
Testing | UT\MT | |
Trademark | TOTEM/OEM | |
Application | Gearbox, Reducer, Petroleum,Cement,Mining,Metallurgy etc. Wind driven generator,vertical mill reducer,oil rig helical gear,petroleum slurry pump gear shaft |
|
Transport Package | Export package (wooden box, steel frame etc.) | |
Origin | China | |
HS Code | 8483409000 |
Material Comparison List
STEEL CODE GRADES COMPARISON | |||||
CHINA/GB | ISO | ГΟСТ | ASTM | JIS | DIN |
45 | C45E4 | 45 | 1045 | S45C | CK45 |
40Cr | 41Cr4 | 40X | 5140 | SCr440 | 41Cr4 |
20CrMo | 18CrMo4 | 20ХМ | 4118 | SCM22 | 25CrMo4 |
42CrMo | 42CrMo4 | 38XM | 4140 | SCM440 | 42CrMo4 |
20CrMnTi | 18XГT | SMK22 | |||
20Cr2Ni4 | 20X2H4A | ||||
20CrNiMo | 20CrNiMo2 | 20XHM | 8720 | SNCM220 | 21NiCrMo2 |
40CrNiMoA | 40XH2MA/ 40XHMA |
4340 | SNCM439 | 40NiCrMo6/ 36NiCrMo4 |
|
20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 |
3.Totem Service
TOTEM Machinery focus on supplying GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission devices & equipments(large industrial reducers & drivers). Which were mainly used in the fields of port facilities, cement, mining, metallurgical industry etc. We invested in several machine processing factories,forging factories and casting factories,relies on these strong reliable and high-quality supplier network, to let our customers worry free.
TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1
24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.
4.About TOTEM
1. Workshop & Processing Strength
2. Testing Facilities
3. Customer Inspection & Shipping
5. Contact Us
ZheJiang CZPT Machinery Co.,Ltd
Facebook: ZheJiang Totem
Application: | Motor, Motorcycle, Machinery, Marine, Cement |
---|---|
Hardness: | Hardened Tooth Surface |
Gear Position: | Internal/External |
Manufacturing Method: | Cast Gear |
Toothed Portion Shape: | Bevel Wheel |
Material: | Cast Steel |
Customization: |
Available
| Customized Request |
---|
What is the lifespan of a typical bevel gear?
The lifespan of a typical bevel gear can vary depending on several factors, including the quality of the gear, the operating conditions, maintenance practices, and the specific application. Here’s a detailed explanation:
Bevel gears, like any mechanical component, have a finite lifespan. The lifespan of a bevel gear is influenced by the following factors:
- Quality of the Gear: The quality of the gear itself is a significant factor in determining its lifespan. Bevel gears manufactured using high-quality materials and precise manufacturing processes tend to have longer lifespans. Gears made from durable materials and manufactured with tight tolerances and accurate tooth profiles are more resistant to wear and fatigue, resulting in extended lifespans.
- Operating Conditions: The operating conditions under which the bevel gear operates greatly affect its lifespan. Factors such as torque levels, rotational speed, temperature, and shock loads can impact the wear and fatigue characteristics of the gear. Gears subjected to high torque, high-speed rotation, excessive heat, or frequent heavy loads may experience accelerated wear and reduced lifespan compared to gears operating under milder conditions.
- Maintenance Practices: Proper maintenance practices can significantly extend the lifespan of a bevel gear. Regular inspection, lubrication, and preventive maintenance help identify and address potential issues before they escalate. Adequate lubrication, cleanliness, and alignment contribute to reducing wear, minimizing the risk of damage, and prolonging the gear’s lifespan. Neglecting maintenance or improper maintenance practices can lead to premature wear, failure, and reduced lifespan.
- Application Specifics: The specific application in which the bevel gear is used plays a vital role in determining its lifespan. Different applications impose varying loads, speeds, and operating conditions on the gear. Gears used in heavy-duty industrial applications, such as mining or heavy machinery, may experience more significant wear and have shorter lifespans compared to gears used in lighter-duty applications.
- Load Distribution: Proper load distribution among the gear teeth is critical for ensuring longevity. Evenly distributed loads help prevent localized wear and ensure that no individual teeth are subjected to excessive stress. Factors such as gear design, tooth profile, and accurate alignment influence load distribution and can impact the gear’s lifespan.
Due to the complex interplay of these factors, it is challenging to provide a specific lifespan for a typical bevel gear. However, with proper design, high-quality manufacturing, suitable operating conditions, regular maintenance, and appropriate load distribution, bevel gears can have a lifespan ranging from several thousand to tens of thousands of operating hours.
It is important to note that monitoring the gear’s condition, including wear patterns, tooth damage, and any signs of failure, is crucial for ensuring safe and reliable operation. When signs of wear or damage become significant or when the gear no longer meets the required performance criteria, replacement or refurbishment should be considered to maintain the overall system’s integrity and performance.
How do you ensure proper alignment when connecting a bevel gear?
Proper alignment is crucial when connecting a bevel gear to ensure efficient power transmission, smooth operation, and longevity of the gear system. Here’s a detailed explanation of how to ensure proper alignment:
When connecting a bevel gear, the following steps can help ensure proper alignment:
- Check Gear Specifications: Begin by reviewing the gear specifications provided by the manufacturer. This includes information about the gear’s design, tolerances, and alignment requirements. Understanding these specifications is essential for achieving the desired alignment.
- Prepare Mounting Surfaces: Ensure that the mounting surfaces for the gears, such as shafts or gearboxes, are clean, free from debris, and properly prepared. Any irregularities or surface defects can affect the alignment and lead to misalignment issues. Remove any burrs, nicks, or rough spots that could interfere with the proper seating of the gears.
- Use Alignment Tools: Alignment tools, such as dial indicators or laser alignment systems, can be helpful in achieving precise alignment. These tools allow for accurate measurement and adjustment of the gear’s position relative to the mating components. Follow the instructions provided with the alignment tools to set up and perform the alignment process correctly.
- Axial Alignment: Achieving proper axial alignment is crucial for bevel gears. The axial alignment refers to aligning the gear’s rotational axis parallel to the mating gear’s rotational axis. This ensures proper gear meshing and load distribution. Use alignment tools to measure and adjust the axial alignment, making necessary modifications to the gear’s position or shimming as required.
- Radial Alignment: Radial alignment involves aligning the gear’s rotational axis perpendicular to the mating gear’s rotational axis. Proper radial alignment helps prevent side loads, excessive wear, and noise generation. Use alignment tools to measure and adjust the radial alignment, ensuring that the gear’s position is properly adjusted or shimmed to achieve the desired alignment.
- Verify Tooth Contact Pattern: After aligning the gears, it is important to verify the tooth contact pattern. The tooth contact pattern should be evenly distributed across the gear tooth surfaces to ensure proper load sharing and minimize wear. Conduct a visual inspection or use specialized tools, such as gear marking compounds, to check and adjust the tooth contact pattern if necessary.
By following these steps and using appropriate alignment tools, you can ensure proper alignment when connecting a bevel gear. Proper alignment promotes efficient power transmission, minimizes wear, reduces noise, and extends the lifespan of the gear system.
It is worth noting that each gear system may have specific alignment requirements and considerations. Consult the gear manufacturer’s guidelines and best practices, as well as seek the expertise of experienced engineers, to ensure the proper alignment of bevel gears in your specific application.
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.
editor by CX 2023-09-06