China OEM High Efficiency Helical Gear for Automotive Rear Axle Gearbox worm gear winch

Product Description

 

Product Description

gear is a mechanical element that usually consists of a few teeth and a central hole. The teeth of spur gears are straight and arranged on a conical surface. They are designed to work with other elements such as gears, shafts or racks to transmit power and speed.

Product Parameters

 

product name helical 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 ,SGS
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping
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

 

 

 

 

  

 

Production process

 

Application Field

 

Our Advantages

 

1  . Prioritized Quality          
2  .Integrity-based Management
3  .Service Orientation
4  .150+  advanced equipment
5  .10000+  square meter  factory area
6  .200+ outstanding employees  
7  .90% employees have more than 10 year- working   experience in our factory
8  .36 technical staff
9  .certificate  ISO 9001 , SGS

10  . Customization support

11   .After-sales support

 

shipping

 

 

sample orders delivery time:
10-15 working days  as usual
15-20 working days  in busy season

large order leading time :
30-40 working days as usual

 

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.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Customization:
Available

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Customized Request

helical gear

What lubrication is required for helical gears?

Proper lubrication is essential for the optimal performance and longevity of helical gears. The lubrication requirements for helical gears depend on factors such as the operating conditions, gear materials, and manufacturer recommendations. Here’s a detailed explanation of the lubrication considerations for helical gears:

  • Lubricant Selection: The choice of lubricant for helical gears should be based on factors such as operating temperature, load, speed, and environmental conditions. Commonly used lubricants for helical gears include mineral oils, synthetic oils, and greases. Consult the gear manufacturer’s specifications or industry standards to determine the appropriate lubricant viscosity and type for your specific application.
  • Viscosity: The lubricant viscosity is an important parameter that influences the lubricating film thickness and the ability to separate the gear surfaces. The viscosity should be selected based on the operating conditions, taking into account factors such as temperature, speed, and load. Higher viscosity lubricants are typically used for heavy-duty applications or high-temperature environments, while lower viscosity lubricants may be suitable for lighter loads or lower speeds.
  • Extreme Pressure (EP) Additives: Helical gears, especially those operating under high loads or with high sliding velocities, may benefit from lubricants containing extreme pressure (EP) additives. EP additives help to reduce friction and wear by forming a protective film on the gear surfaces, preventing metal-to-metal contact and minimizing the risk of scuffing or scoring. EP additives are particularly important for helical gears in industrial machinery, automotive transmissions, and gearboxes.
  • Lubrication Method: The lubrication method for helical gears can vary depending on the gear design and application. Common methods include splash lubrication, oil bath lubrication, forced circulation systems, and oil mist lubrication. The lubrication method should ensure that an adequate amount of lubricant reaches the gear mesh to provide proper lubrication, cooling, and debris removal during operation.
  • Frequency of Lubrication: Regular lubrication maintenance is crucial for helical gears. The lubrication intervals should be determined based on factors such as the gear operating conditions, lubricant type, and gear manufacturer recommendations. Periodic inspections should be conducted to monitor the lubricant condition, check for contamination or degradation, and replenish or replace the lubricant as needed.
  • Proper Lubricant Application: When applying the lubricant to helical gears, ensure that the gear teeth and bearings are adequately coated. Pay attention to reaching areas of high friction and contact, such as the gear mesh and tooth roots. Follow the gear manufacturer’s recommendations or guidelines for the proper lubrication technique, which may involve methods such as oil bath immersion, drip lubrication, or centralized lubrication systems.
  • Contamination Control: Contamination can significantly affect the performance and lifespan of helical gears. Take measures to prevent the ingress of contaminants such as dirt, dust, moisture, and metal particles into the gear system. Use proper sealing arrangements, filtration systems, and regular maintenance practices to maintain a clean and contamination-free lubrication environment.

It is important to note that the lubrication requirements may vary depending on specific gear designs, materials, and operating conditions. Always refer to the gear manufacturer’s recommendations, industry standards, and consult with lubrication experts or engineers to determine the most suitable lubrication approach for your helical gear application.

helical gear

Can helical gears be used in heavy-duty machinery and equipment?

Yes, helical gears can be used in heavy-duty machinery and equipment. The design characteristics of helical gears make them well-suited for demanding applications that involve high loads, high speeds, and continuous operation. Here’s a detailed explanation of why helical gears are suitable for heavy-duty machinery and equipment:

  • Load Distribution: Helical gears are known for their excellent load distribution capabilities. The inclined tooth profile of helical gears allows for multiple tooth contact, which helps distribute the load over a larger surface area. This feature enables helical gears to handle high loads encountered in heavy-duty applications, preventing concentrated stresses on individual teeth and promoting reliable power transmission.
  • Smooth Operation: Helical gears operate with a rolling contact between the teeth, resulting in smoother and quieter operation compared to other gear types. The gradual engagement and disengagement of helical gears reduce impact forces and minimize vibrations. This smooth operation is advantageous for heavy-duty machinery and equipment, as it helps reduce wear, noise, and stress on the gear components.
  • High Efficiency: Helical gears exhibit high efficiency due to their rolling contact and continuous tooth engagement. The inclined tooth profile allows for larger contact ratios, resulting in efficient power transmission with minimal energy losses. This characteristic is beneficial for heavy-duty machinery and equipment, as it helps optimize overall system efficiency and minimize energy consumption.
  • Wide Range of Sizes and Ratios: Helical gears are available in a wide range of sizes and ratios, making them versatile for various heavy-duty applications. Whether it’s large-scale industrial machinery or heavy construction equipment, helical gears can be designed and manufactured to meet specific size and ratio requirements. This flexibility allows engineers to tailor the gear system to the demands of the heavy-duty application.
  • Compatibility with High Speeds: Helical gears can effectively handle high rotational speeds, making them suitable for heavy-duty machinery and equipment that operate at high speeds. The helical gear design minimizes the risk of tooth-to-tooth impact and reduces the likelihood of gear tooth failures, such as pitting or chipping, even at elevated speeds. This compatibility with high speeds ensures reliable performance in heavy-duty applications that demand rapid operation.
  • Ability to Handle Shock Loads: Heavy-duty machinery and equipment often experience shock loads during their operation. Helical gears are capable of withstanding moderate shock loads due to their robust construction and tooth engagement characteristics. However, if the application involves high shock loads, additional measures such as using hardened gears, optimizing gear materials, or incorporating shock-absorbing elements may be necessary.
  • Compatibility with Lubrication Systems: Effective lubrication is vital for heavy-duty gear applications to minimize wear, reduce friction, and dissipate heat. Helical gears can be incorporated into lubrication systems that ensure proper oil flow and distribution. The inclined teeth of helical gears facilitate lubricant film formation and retention, helping to maintain optimal operating conditions and prolonging gear life in heavy-duty machinery and equipment.
  • Manufacturing Expertise: The manufacturing processes for helical gears have been well-established and refined over many years. Gear manufacturers have extensive experience and expertise in producing helical gears, including large-scale and heavy-duty versions. This expertise ensures the production of high-quality helical gears that can meet the demands of heavy-duty machinery and equipment.

In summary, helical gears are well-suited for heavy-duty machinery and equipment due to their load distribution capabilities, smooth operation, high efficiency, adaptability to different sizes and ratios, compatibility with high speeds, ability to handle shock loads, compatibility with lubrication systems, and the manufacturing expertise available for their production. These factors make helical gears a reliable choice for heavy-duty applications across various industries.

helical gear

How do helical gears differ from other types of gears?

Helical gears possess distinct characteristics that set them apart from other types of gears. Here’s a detailed explanation of how helical gears differ from other gear types:

1. Tooth Orientation: Unlike spur gears, which have teeth perpendicular to the gear axis, helical gears have teeth that are cut at an angle to the gear axis. This helical tooth orientation enables gradual engagement and disengagement of the gear teeth, resulting in smoother and quieter operation.

2. Contact Pattern: Helical gears have a larger contact area compared to spur gears. The helical tooth design allows for multiple teeth to be in contact simultaneously, distributing the load across a broader surface. This increased contact pattern enhances load-carrying capacity and improves the gear’s ability to transmit higher torque.

3. Tooth Engagement: In helical gears, the teeth gradually mesh as they come into contact during rotation. This gradual engagement reduces the impact and noise typically associated with spur gears. The sliding action between the helical teeth also generates axial forces, resulting in a thrust load along the gear axis.

4. Load Distribution: The helical tooth orientation enables load distribution along the tooth face. This characteristic helps minimize localized stress concentrations and tooth wear, resulting in improved gear durability and longevity.

5. Power Transmission Efficiency: Helical gears offer high power transmission efficiency due to their larger contact area and gradual tooth engagement. The sliding action between the teeth introduces some axial force and axial thrust, which must be properly supported, but overall, helical gears are efficient in transmitting power.

6. Parallel Shaft Alignment: Helical gears are primarily used for parallel shaft applications. They transmit motion and power between parallel shafts with a constant speed ratio. Other gear types, such as bevel gears or worm gears, are better suited for non-parallel shaft arrangements or specific motion requirements.

7. Noise and Vibration: Compared to spur gears, helical gears produce less noise and vibration due to their gradual tooth engagement. The helical tooth design reduces the impact and noise caused by abrupt contact between gear teeth, resulting in smoother and quieter operation.

8. Manufacturing Complexity: Helical gears are more complex to manufacture compared to spur gears due to the helical tooth profile. The angled teeth require specialized cutting tools and machining processes. This complexity can affect the manufacturing cost and lead time of helical gears.

9. Axial Thrust Load: Helical gears generate axial forces and thrust loads due to the sliding action between the teeth. This axial thrust must be considered and properly supported in the gear system design to ensure smooth operation and prevent excessive wear or failure.

10. Application Range: Helical gears are versatile and find applications across various industries. They are commonly used in power transmission, robotics, machine tools, automotive systems, and other mechanical systems that require precise motion control and high torque transmission.

In summary, helical gears differ from other gear types in terms of tooth orientation, contact pattern, tooth engagement, load distribution, power transmission efficiency, shaft alignment suitability, noise and vibration characteristics, manufacturing complexity, axial thrust load, and application range. These unique characteristics make helical gears well-suited for specific applications where smooth operation, high load-carrying capacity, and precise motion control are required.

China OEM High Efficiency Helical Gear for Automotive Rear Axle Gearbox worm gear winchChina OEM High Efficiency Helical Gear for Automotive Rear Axle Gearbox worm gear winch
editor by CX 2023-11-01