China factory CNC Machining Forged Steel Big Helical Pinion Gear Custom High Quality Drive Large Gear with high quality

Product Description

CNC machining forged steel big helical pinion gear custom high quality drive large gear

Product Parameters

 

product name CNC machining forged steel big helical pinion gear custom high quality drive large gear
material stainless steel , iron , aluminum ,bronze ,carbon steel ,brass , nylon etc .
size ISO standard  ,customer requirements
BORE Finished bore, Pilot Bore, Special request
surface treatment Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering
Processing Method Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc
Heat Treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding……
Package Wooden Case/Container and pallet, or made-to-order
Certificate ISO9001
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping ,gear accuracy testing
Applications Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc.
Testing Equipment Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments

Company Profile

 

 

 

 

Application Field

 

 

FAQ

1. why should you buy products from us not from other suppliers?
We are a 32 year-experience manufacturer on making the gear, specializing in manufacturing varieties of gears, such as helical gear ,bevel gear ,spur gear and grinding gear, gear shaft, timing pulley, rack, , timing pulley and other transmission parts .
2. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese
3. how can we guarantee quality?
1 .Always a pre-production sample before mass production;
2 .Always final Inspection before shipment;   
3 .We have high-precision CNC gear grinding machine, high-speed CNC gear hobbing machine, CNC gear shaping machine, CNC lathe, CNC machining center, various grinding machines, universal gear measuring instrument, heat treatment and other advanced processing equipment. 
4 . We have a group of experienced technical workers, more than 90% of the workers have more than 10 years of work experience in this factory, can accurately control the manufacturing of products and customer needs. We regularly train our employees to ensure that we can produce high-precision and high-quality products that are more in line with our customers’ needs.

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Packing Machine
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

helical gear

Are helical gears suitable for high-torque applications?

Helical gears are indeed well-suited for high-torque applications. Their design features and characteristics make them capable of handling significant torque loads without compromising performance or durability. Here’s a detailed explanation of why helical gears are suitable for high-torque applications:

  • Inclined Tooth Profile: Helical gears have teeth with an inclined profile, which allows for greater tooth engagement compared to other gear types. This increased contact area spreads the load over multiple teeth, distributing the torque more evenly. As a result, helical gears can handle higher torque levels without exceeding the strength limits of the gear teeth.
  • Large Contact Ratio: The inclined tooth design of helical gears also contributes to a large contact ratio, which refers to the number of teeth in contact at any given moment. The large contact ratio enables helical gears to transmit torque more smoothly and efficiently. It reduces localized stress on individual teeth, minimizing the risk of tooth failure and enhancing the gear’s ability to handle high-torque loads.
  • High Load-Carrying Capacity: Helical gears are known for their high load-carrying capacity. The inclined tooth profile and larger contact area allow helical gears to distribute the torque load over a broader surface, reducing the stress on individual teeth. This design feature enables helical gears to handle higher torque levels without experiencing premature wear or failure.
  • Gradual Tooth Engagement: During gear meshing, the inclined teeth of helical gears gradually engage, resulting in a smooth and gradual transfer of torque. This gradual engagement helps to reduce impact and shock loads, which can be detrimental to gear performance. By minimizing sudden torque spikes, helical gears maintain a consistent and reliable torque transmission, making them suitable for high-torque applications.
  • Efficient Power Transmission: Helical gears offer efficient power transmission, even in high-torque applications. The inclined tooth design reduces sliding friction between the gear teeth, resulting in lower energy losses and improved overall efficiency. This efficiency is particularly beneficial in high-torque applications where power consumption and heat generation need to be minimized.
  • Ability to Handle Variable Torque: Helical gears are capable of handling variable torque loads effectively. The gradual tooth engagement and larger contact area allow helical gears to accommodate fluctuations in torque without compromising performance. This flexibility makes helical gears suitable for applications where torque requirements may vary during operation.

In summary, helical gears are well-suited for high-torque applications due to their inclined tooth profile, large contact ratio, high load-carrying capacity, gradual tooth engagement, efficient power transmission, and ability to handle variable torque. These characteristics make helical gears reliable and durable in demanding industrial scenarios where high torque levels are encountered.

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 factory CNC Machining Forged Steel Big Helical Pinion Gear Custom High Quality Drive Large Gear with high qualityChina factory CNC Machining Forged Steel Big Helical Pinion Gear Custom High Quality Drive Large Gear with high quality
editor by Dream 2024-05-14