China Custom High Precision Alloy Steel Customized Helical Bevel Gear bevel gear set

Product Description

High Precision Alloy steel  Customized Helical Bevel Gear

1. Description

No. Item Description
1 Name Helical Bevel Gear
2 Size Products can be customized.
3 Manufacture Standard 5-8 Grade ISO1328-1997.
4 Material 45#Steel,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless steel,Nylon,Bakelite,Copper,Aluminium.etc
5 Production Process The main process is Gear Milling and Gear Grinding, Selecting production process according to the different products.
6 Heat Treatment Carburizing and quenching ,High-frequency quenching,Nitriding, Hardening and tempering, Selecting heat treatment according to the different materials.
7 Testing Equipment Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments
8 Certification GB/T19001-2016/ISO9001:2015
9 Usage Used in printing machine, cleaning machine, medical equipment, garden machine, construction machine, electric car, valve, forklift, transportation equipment and various gear reducers.etc
10 Package According to customer’s request

2. Photos

 

 

3. Order process
a. Customer sends us the drawing or sample, If only sample, our company supply the CAD drawing.
b. Our company supplies the processing technique and quotation.
c. Our company supplies the sample after customer confirmed processing technique and quotation.
d. Customer places the order after confirm the sample.
e. Customer pay 50% deposit
f. Quantity production.
g. Pay the balance after the acceptance and confirmation.
h. Delivery.
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Application: Electric Cars, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Gear Hobbing, Gear Shaping and Gear Grinding
Toothed Portion Shape: Involute
Material: 45#Steel,20crmnti,40cr,20CrNiMo,20mncr5,Gcr15simn,
Samples:
US$ 3.5/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gear

Can you provide examples of machinery that use helical gears?

Helical gears are widely used in various types of machinery and mechanical systems. Their unique tooth geometry and smooth operation make them suitable for applications that require high torque transmission, precision, and low noise levels. Here are some examples of machinery and equipment that commonly utilize helical gears:

  • Industrial Gearboxes: Helical gears are extensively employed in industrial gearboxes used in various industries such as manufacturing, mining, oil and gas, and power generation. These gearboxes are responsible for transmitting power and adjusting rotational speed in large machinery and equipment, including conveyors, mixers, crushers, extruders, and heavy-duty pumps.
  • Automotive Transmissions: Helical gears play a crucial role in automotive transmissions, both manual and automatic. They facilitate the smooth shifting of gears and the transfer of power from the engine to the wheels. Helical gears are commonly found in the main transmission system, differential gears, and gear sets used in the gearbox.
  • Machine Tools: Many types of machine tools, such as milling machines, lathes, and grinding machines, rely on helical gears for precise motion control and power transmission. Helical gears are used in the spindle drives, feed mechanisms, and gearboxes of these machines, enabling accurate and efficient metal shaping, cutting, and finishing operations.
  • Rotary Compressors: Helical gears are employed in rotary compressors, which are widely used in industries such as refrigeration, HVAC, and pneumatic systems. The helical gears in these compressors help to compress and transfer gases or fluids, generating the desired pressure and flow rates.
  • Printing Presses: High-speed printing presses utilize helical gears in their drive systems. The gears enable the precise synchronization of various components, such as rollers, cylinders, and plate cylinders, ensuring accurate paper feeding, ink distribution, and image transfer during the printing process.
  • Paper and Pulp Industry: Helical gears are utilized in machinery used in the paper and pulp industry, including paper mills and paperboard manufacturing plants. They are employed in equipment such as pulpers, refiners, stock pumps, and paper machine drives, facilitating the processing, refining, and transportation of pulp and paper materials.
  • Construction Equipment: Helical gears are found in various construction machinery, such as cranes, excavators, loaders, and bulldozers. They are used in the drivetrains, swing mechanisms, and hydraulic systems of these machines, providing the necessary torque, speed control, and power transmission capabilities.
  • Marine Propulsion Systems: Helical gears are utilized in marine propulsion systems, including marine engines, outboard motors, and ship propulsion systems. They enable efficient power transmission from the engine to the propeller, ensuring smooth and reliable operation of watercraft.
  • Wind Turbines: In wind energy applications, helical gears are commonly used in wind turbine gearboxes. They help convert the low-speed rotation of the turbine blades into higher rotational speeds required by the electrical generators, enabling efficient energy generation from wind power.
  • Food Processing Machinery: Helical gears find applications in the food processing industry, where they are used in equipment such as mixers, conveyors, extruders, and packaging machines. They facilitate the movement of ingredients, blending, and precise control of processing parameters.

These examples demonstrate the versatility and widespread use of helical gears across various industries and applications. The unique characteristics of helical gears make them suitable for a wide range of machinery that requires smooth, efficient, and reliable power transmission.

helical gear

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

Yes, helical gears can be used in both horizontal and vertical orientations. The design and characteristics of helical gears make them versatile and suitable for various orientations and applications. Here’s a detailed explanation of why helical gears can be used in both horizontal and vertical orientations:

  • Load Distribution: Helical gears are capable of distributing loads over multiple teeth due to their inclined tooth profile. This design feature allows for efficient load sharing and helps minimize localized stresses on individual teeth. Regardless of whether the gears are in a horizontal or vertical orientation, the load distribution capability of helical gears remains effective, ensuring reliable and durable performance.
  • Lubrication: Proper lubrication is crucial for the smooth operation of gears, regardless of their orientation. Helical gears can be adequately lubricated in both horizontal and vertical orientations to minimize friction, wear, and heat generation. The lubricant forms a film between the gear teeth, reducing contact stresses and facilitating efficient power transmission.
  • Bearing Support: In both horizontal and vertical orientations, helical gears can be supported by suitable bearings to maintain proper alignment and reduce axial and radial loads. The bearing arrangement is designed to accommodate the specific orientation and loads encountered, ensuring stable and precise gear meshing.
  • Alignment and Mounting: Proper alignment and mounting are essential for helical gears, regardless of their orientation. In horizontal orientations, gears can be mounted on shafts using suitable keyways, splines, or other fastening methods. In vertical orientations, additional considerations may be necessary to secure the gears and prevent axial movement. Ensuring accurate alignment during installation helps maintain optimal gear meshing and reduces noise, vibrations, and premature wear.
  • Oil Splash Lubrication in Vertical Orientation: In vertical orientations, helical gears can benefit from oil splash lubrication. By strategically positioning oil reservoirs and splash guards, the gears can be effectively lubricated as the rotating gears agitate the lubricant, causing it to splash and reach all necessary surfaces. This method helps ensure adequate lubrication even in vertical orientations where gravity affects the flow of lubricant.
  • Additional Considerations for Vertical Orientation: While helical gears can be used in vertical orientations, it’s important to consider additional factors that may come into play. In vertical applications, the weight of the gears and potential thrust forces need to be appropriately supported to prevent excessive axial loading or gear displacement. Proper housing design, bearing selection, and lubrication considerations should account for these factors to ensure reliable operation.

In summary, helical gears are versatile and can be used in both horizontal and vertical orientations. Their load distribution capabilities, ability to be properly lubricated, suitable bearing support, and the importance of alignment and mounting make them suitable for various applications and orientations. By considering specific factors related to the orientation, engineers can ensure the reliable and efficient performance of helical gears in both horizontal and vertical arrangements.

helical gear

Are there different types of helical gears available?

Yes, there are different types of helical gears available to meet specific application requirements. Here’s a detailed explanation of some common types of helical gears:

  1. Parallel Helical Gears: Parallel helical gears are the most commonly used type of helical gears. In this configuration, two helical gears with parallel axes are meshed together. They transmit power and motion between parallel shafts. Parallel helical gears provide smooth operation, high load-carrying capacity, and efficient power transmission.
  2. Double Helical Gears (Herringbone Gears): Double helical gears, also known as herringbone gears, have two sets of helical teeth that are placed in a V-shaped configuration. The V-shaped teeth face each other, with a groove or gap in the middle. This design cancels out the axial thrust that is generated by the helical gear’s inclined teeth. Double helical gears are often used in applications that require high torque transmission and axial load balancing, such as heavy machinery and marine propulsion systems.
  3. Crossed Helical Gears (Screw Gears): Crossed helical gears, also referred to as screw gears, involve the meshing of two helical gears with non-parallel and non-intersecting axes. The gears are oriented at an angle to each other, typically 90 degrees. Crossed helical gears are used in applications where shafts intersect or when a compact and non-parallel gear arrangement is required. They are commonly found in hand drills, speedometers, and some mechanical watches.
  4. Skew Gears: Skew gears are a type of helical gear in which the gear teeth are cut at an angle to the gear axis. The angle of the teeth can vary, allowing for different degrees of skew. Skew gears are used in applications where the axes of the mating gears are neither parallel nor intersecting. They can transmit power between non-parallel and non-intersecting shafts while accommodating misalignments.
  5. Helical Rack and Pinion: A helical rack and pinion system consists of a helical gear (pinion) that meshes with a linear gear (rack). The pinion is a cylindrical gear with helical teeth, while the rack is a straight bar with teeth that mesh with the pinion. This configuration is commonly used in applications that require linear motion, such as CNC machines, robotics, and rack and pinion steering systems in automobiles.
  6. Variable Helix Gears: Variable helix gears have a unique tooth profile where the helix angle varies along the face width of the gear. The varying helix angle helps to reduce noise, vibration, and backlash while maintaining smooth operation and load distribution. These gears are often used in high-performance applications where noise reduction and precise motion control are critical.

The specific type of helical gear used depends on factors such as the application requirements, load conditions, space limitations, and desired performance characteristics. Manufacturers often provide various options and customizations to meet specific needs.

It’s important to note that the design and manufacturing of helical gears require careful consideration of factors such as tooth profile, helix angle, lead angle, module or pitch, pressure angle, and material selection. These factors ensure proper gear meshing, load distribution, and efficient power transmission.

In summary, different types of helical gears, including parallel helical gears, double helical gears (herringbone gears), crossed helical gears (screw gears), skew gears, helical rack and pinion systems, and variable helix gears, are available to cater to a wide range of applications. Each type has its unique characteristics and advantages, allowing for optimized performance and reliable power transmission in various industries and machinery.

China Custom High Precision Alloy Steel Customized Helical Bevel Gear bevel gear setChina Custom High Precision Alloy Steel Customized Helical Bevel Gear bevel gear set
editor by CX 2024-01-11

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