China Standard China Supplier Combine Harvester Transmission Pinion Rack Helical Gear gear ratio calculator

Product Description

Product Description

Product introduction

Gear processing modules 0.5-20
Max. machining diamete for gear milling 1720mm
Max. main shaft through-hole diameter for gear grinding 180mm
Max, main shaft through-hole diameter for gear milling 320mm
Max. machining diameter for gear grinding 850mm
Highest precision GB11365-89   4 grade
Transmission ratio 1:1-1:10

My advantages:
1. High quality materials, professional production, high-precision equipment. Customized design and processing;
2. Strong and durable, strong strength, large torque and good comprehensive mechanical properties;
3. High rotation efficiency, stable and smooth transmission, long service life, noise reduction and shock absorption;
4. Focus on gear processing for 20 years.
5. Carburizing and quenching of tooth surface, strong wear resistance, reliable operation and high bearing capacity;
6. The tooth surface can be ground, and the precision is higher after grinding.

 

 

The company is a manufacturer of high-quality leather wheel transmission components and mechanical transmission equipment. Its products are widely used in various fields such as aviation, aerospace, shipbuilding, rail transit, engineering vehicles, and industrial automation equipment. The company was founded in December 2002, and its factory is located in Xihu (West Lake) Dis.ng Industrial Zone, Jiangfu City, ZheJiang Province. The existing factory building covers an area of 38000 square meters, with a registered capital of 20 million yuan and a total asset of about 180 million yuan. It has passed the CCs ship inspection and recognition by China’s classification society, and has been rated as a high-tech enterprise in ZheJiang Province and the ZheJiang High Precision Gear Transmission Key Component Engineering Technology Research Center.

The company has the most advanced manufacturing and testing equipment for bright precision gear transmission components in the world, with manufacturing accuracy CHINAMFG national standard 3-4 levels. It has 275G and 800G CNC Yawei gear grinding machines from Grissom Phoenix, Germany, Capa vX55 and VX59 CNC gear grinding centers from Germany, ZE400 and ZE8OO shaped gear grinding machines from Capa Niles, worm gear grinding machines from Germany, Graub 5-extraction linkage machining center from Germany, KS42 high-precision straight bevel gear grinding machine from Switzerland, Teng gear grinding machine from Switzerland, S33 high-precision CNC universal domestic and foreign grinding machine from Stuttgart, Switzerland, and GMM1500 gear measuring center from Grissom GMM1500, Zeiss Santang, Germany.

After years of testing, exploration, and improvement, the company’s research and development team has mastered key technologies such as high-precision gear CNC grinding technology, inspection technology, heat treatment technology for thin-walled parts, independent design and manufacturing technology for special cutters, fixtures, and special measuring tools. At present, the company’s manufacturing capacity and technical development level rank among the leading levels of domestic peers.
 

 

 

 

FAQ

Main Markets? North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia
How to order? * You send us drawing or sample
* We carry through project assessment
* We give you our design for your confirmation
* We make the sample and send it to you after you confirmed our design
* You confirm the sample then place an order and pay us 30% deposit
* We start producing
* When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers.
* Trade is done, thank you!!

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 60/Piece
1 Piece(Min.Order)

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Customization:
Available

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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

How do you address noise and vibration issues in a helical gear system?

In a helical gear system, addressing noise and vibration issues is crucial to ensure smooth and quiet operation, minimize component wear, and enhance overall system performance. Here’s a detailed explanation of how to address noise and vibration issues in a helical gear system:

  1. Proper Gear Design: The design of the helical gears can significantly impact noise and vibration levels. Design considerations such as the helix angle, tooth profile modification, and gear tooth contact pattern optimization can help minimize gear noise and vibration. A well-designed gear system with proper tooth geometry and accurate alignment reduces the likelihood of gear meshing irregularities that contribute to noise and vibration.
  2. Precision Manufacturing: High-quality manufacturing processes are essential to minimize noise and vibration in helical gear systems. Precise gear cutting techniques, such as hobbing or grinding, ensure accurate tooth profiles, which help reduce gear meshing deviations and associated noise. Additionally, maintaining tight manufacturing tolerances and surface finishes on gear components can help minimize vibration caused by irregularities or imperfections.
  3. Alignment and Assembly: Proper alignment and assembly of the helical gears are critical to minimize noise and vibration. Ensuring precise alignment of the gear shafts and gear meshing is essential to achieve optimal contact between the gear teeth. The use of alignment tools, such as dial indicators or laser alignment systems, can aid in achieving accurate alignment. Additionally, proper assembly techniques, including appropriate gear backlash and preload adjustment, can help minimize noise and vibration by optimizing gear meshing conditions.
  4. Optimal Lubrication: Proper lubrication is vital for reducing noise and vibration in a helical gear system. Adequate lubrication creates a thin film between the gear teeth, minimizing friction and wear. The lubricant also helps to dampen vibrations and dissipate heat generated during gear operation. Using the correct lubricant type, viscosity, and maintaining proper lubricant levels are essential for noise and vibration control.
  5. Stiffness of Gearbox Housing: The stiffness and rigidity of the gearbox housing influence noise and vibration levels in a helical gear system. A robust and well-designed housing structure helps to minimize the transmission of vibrations from the gears to the surrounding environment. It is important to ensure that the gearbox housing is adequately braced and supported to reduce resonances and vibrations that can contribute to noise.
  6. Vibration Damping: Implementing vibration damping techniques can help mitigate noise and vibration in a helical gear system. This can include the use of vibration-absorbing materials, such as elastomers or damping pads, at appropriate locations within the gear system. These materials help absorb and dissipate vibrations, reducing noise transmission and minimizing gear system resonance.
  7. Condition Monitoring and Maintenance: Regular condition monitoring and maintenance practices are essential for identifying and addressing noise and vibration issues in a helical gear system. Periodic inspections, including vibration analysis, can detect any abnormal vibration patterns or wear indications. Timely maintenance, such as addressing misalignment, worn components, or inadequate lubrication, can prevent further deterioration and reduce noise and vibration levels.

By implementing these measures, engineers can effectively address noise and vibration issues in a helical gear system, resulting in quieter operation, reduced component wear, and improved overall system performance.

helical gear

What is a helical gear and how does it work?

A helical gear is a type of cylindrical gear with teeth that are cut at an angle to the gear axis. It is widely used in various mechanical systems to transmit power and motion between parallel shafts. Here’s a detailed explanation of helical gears and their working principles:

A helical gear consists of a cylindrical shape with teeth that are cut in a helical pattern around the gear’s circumference. The teeth of a helical gear are not perpendicular to the gear axis but are instead aligned at an angle, forming a helix shape. This helix angle allows for gradual engagement and disengagement of the gear teeth, resulting in smoother and quieter operation compared to spur gears.

The working principle of a helical gear involves the transfer of rotational motion and power between parallel shafts. When two helical gears mesh together, their helical teeth gradually come into contact, causing a sliding action as the gears rotate. This sliding action creates both axial and radial forces on the teeth, resulting in a thrust load along the gear axis.

As the helical gears rotate, the sliding action between the teeth causes a force component along the gear axis. This axial force is responsible for generating the thrust load on the gear, which must be properly supported by suitable thrust bearings or other means to ensure smooth and efficient operation.

The helical gear design offers several advantages:

  1. Smooth and Quiet Operation: The helical teeth engagement allows for a gradual contact between the gear teeth, reducing impact and noise during operation. This results in smoother and quieter gear performance compared to spur gears.
  2. Increased Load-Carrying Capacity: The helical gear design provides greater tooth contact compared to spur gears. This increased contact area allows helical gears to transmit higher loads and handle greater torque without experiencing excessive wear or tooth failure.
  3. Parallel Shaft Operation: Helical gears are primarily used for transmitting power and motion between parallel shafts. By meshing two helical gears on parallel shafts, rotational motion can be efficiently transmitted from one shaft to the other with a constant speed ratio.
  4. Ability to Transmit Motion at Various Angles: While helical gears are commonly used for parallel shaft applications, they can also be used to transmit motion at non-parallel shaft angles by using a combination of helical gears or by incorporating additional components such as bevel gears.

It is important to consider a few factors when using helical gears:

  • Helix Angle: The helix angle determines the degree of tooth engagement and sliding action. A higher helix angle increases the smoothness of operation but also introduces a larger axial force and thrust load on the gear.
  • Direction of Helix: Helical gears can have either a right-hand or left-hand helix. When two helical gears mesh, they must have opposite helix directions to ensure proper engagement.
  • Lubrication: Due to the sliding action between helical gear teeth, proper lubrication is crucial to minimize friction, wear, and heat generation. Adequate lubrication helps ensure the longevity and efficiency of the gear system.

In summary, a helical gear is a cylindrical gear with teeth cut in a helical pattern. It operates by gradually engaging and disengaging the teeth, resulting in smooth and quiet operation. Helical gears are widely used in various mechanical systems for parallel shaft applications, providing high load-carrying capacity and efficient power transmission.

China Standard China Supplier Combine Harvester Transmission Pinion Rack Helical Gear gear ratio calculatorChina Standard China Supplier Combine Harvester Transmission Pinion Rack Helical Gear gear ratio calculator
editor by Dream 2024-05-03

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