China factory High Precision SUS303 Helical Gear worm gearbox

Product Description

High precision SUS303 Helical Gear

Gear transmission relies on the thrust between gear teeth to transmit motion and power, also known as meshing transmission. With this gradual meshing, helical gears operate much more smoothly and quietly than spur gears. Therefore, almost all automobile transmissions use helical gears.Since the teeth on the helical gear present a certain angle, the gears will be under a certain amount of  stress when they mesh. Equipment using helical gears is equipped with bearings to withstand this pressure.

Product Description

Product name Spur Gear & Helical Gear & Gear Shaft
Customized service OEM, drawings or samples customize
Materials Available Stainless Steel, Carbon Steel, S45C, SCM415, 20CrMoTi, 40Cr, Brass, SUS303/304, Bronze, Iron, Aluminum Alloy etc
Heat Treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding……
Surface Treatment Conditioning, Carburizing and Quenching,Tempering ,High frequency quenching, Tempering, Blackening, QPQ, Cr-plating, Zn-plating, Ni-plating, Electroplate, Passivation, Picking, Plolishing, Lon-plating, Chemical vapor deposition(CVD), Physical vapour deposition(PVD)…
BORE Finished bore, Pilot Bore, Special request
Processing Method Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc
Pressure Angle 20 Degree
Hardness 55- 60HRC
Size Customer Drawings & ISO standard
Package Wooden Case/Container and pallet, or made-to-order
Certificate ISO9001:2008
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping
Applications Printing Equipment Industry, Laser Equipment Industry, Automated Assemblyline Industry, Woodening Industry, Packaging Equipment Industry, Logistics storage Machinery Industry, Robot Industry, Machine Tool Equipment Industry

Company Profile

Packaging & Shipping

FAQ

Main markets North America, South America,Eastern Europe,Weat 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, Printing
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cut Gear
Toothed Portion Shape: Helical Gear
Material: SUS303
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gear

What is the lifespan of a typical helical gear?

The lifespan of a typical helical gear can vary depending on several factors, including the quality of the gear design, manufacturing processes, operating conditions, maintenance practices, and the specific application in which the gear is used. While it is challenging to provide an exact lifespan, especially without specific context, here’s a detailed explanation of the factors that influence the lifespan of a helical gear:

  • Quality of Design and Manufacturing: The quality of the gear design and manufacturing processes significantly affects the lifespan of a helical gear. Gears that are well-designed, with accurate tooth profiles and proper material selection, tend to have longer lifespans. Precise manufacturing techniques, including gear cutting and tooth hardening processes, contribute to the gear’s durability and resistance to wear.
  • Operating Conditions: The operating conditions in which a helical gear is used play a crucial role in its lifespan. Factors such as the magnitude and frequency of torque loads, rotational speed, lubrication, temperature, and the presence of contaminants or corrosive substances can impact gear performance and longevity. Gears operating under heavy loads or in harsh environments may experience more wear and have a shorter lifespan compared to gears operating under lighter loads and cleaner conditions.
  • Maintenance Practices: Regular and proper maintenance practices can significantly extend the lifespan of a helical gear. This includes routine inspections, lubrication, and cleaning to ensure optimal gear performance. Inadequate maintenance, such as insufficient lubrication or neglecting to address early signs of wear or misalignment, can accelerate gear deterioration and reduce its lifespan.
  • Load Distribution: The distribution of the load across the gear teeth affects the lifespan of a helical gear. Proper alignment, accurate gear meshing, and evenly distributed torque loads help prevent localized wear and excessive stress on specific teeth. Uneven load distribution or misalignment can lead to premature wear and reduce the gear’s overall lifespan.
  • Material Selection: The choice of materials for the helical gear impacts its durability and lifespan. High-quality materials with excellent strength, hardness, and wear resistance properties, such as alloy steels or specialized gear materials, can enhance gear longevity. The selection of materials should consider the specific application requirements, including the expected torque loads and operating conditions.
  • Application Specifics: The nature of the application in which the helical gear is used also influences its lifespan. Some applications may involve intermittent or cyclical loading, while others may require continuous operation. The severity of the application, such as high-speed or high-torque environments, can affect gear wear and lifespan. Properly selecting a helical gear that is specifically designed and rated for the intended application can help maximize its lifespan.

It’s important to note that the lifespan of a helical gear is not necessarily a fixed value but rather an estimation based on various factors. With proper design, quality manufacturing, suitable materials, appropriate operating conditions, and regular maintenance, a well-engineered helical gear can have a long and reliable lifespan in its intended application.

helical gear

How do you ensure proper alignment when connecting helical gears?

Proper alignment is crucial when connecting helical gears to ensure smooth and efficient operation, minimize noise and vibration, and prevent premature wear. Here’s a detailed explanation of how to ensure proper alignment when connecting helical gears:

  1. Use Alignment Tools: Alignment tools such as dial indicators or laser alignment systems can help achieve accurate alignment when connecting helical gears. These tools measure the relative positions of the gears and aid in adjusting their positions to achieve proper alignment. By using precise alignment tools, engineers can ensure the gears are correctly positioned for optimal meshing and load distribution.
  2. Check Gear Meshing: Proper gear meshing is essential for alignment. Ensure that the teeth of the helical gears are correctly meshed, and there is sufficient contact across the entire tooth width. Improper meshing, such as excessive or insufficient contact, can lead to noise, vibration, and accelerated wear. Adjust the gear positions if necessary to achieve optimal meshing conditions.
  3. Verify Center Distance: The center distance between the two helical gears must be accurately determined and maintained. The center distance affects the gear meshing and tooth contact pattern. Measure and verify the center distance using appropriate measuring tools, such as calipers or micrometers, to ensure it aligns with the gear design specifications. Make adjustments if needed to achieve the correct center distance.
  4. Check Axial Alignment: Proper axial alignment is crucial for helical gears. The axial alignment refers to the alignment of the gear shafts and the gears along the axial direction. Misalignment can cause uneven load distribution, increased noise and vibration, and accelerated wear. Use appropriate alignment tools to check and adjust the axial alignment, ensuring the gears are aligned along the same axis.
  5. Consider Preload and Backlash: Preload and backlash are important considerations for helical gears. Preload refers to applying a slight axial force to the gears to ensure proper contact and minimize backlash. Backlash is the small amount of clearance between the gear teeth. Follow the gear manufacturer’s recommendations for preload and backlash values and make adjustments as necessary during the gear connection process.
  6. Check Parallelism: The gear shafts should be parallel to each other to ensure proper alignment. Use precision measuring tools, such as straightedges or feeler gauges, to verify the parallelism of the gear shafts. If any deviation is detected, adjust the gear positions or make appropriate modifications to achieve parallel alignment.
  7. Consider Thermal Expansion: Take into account the potential thermal expansion of the gear components. Gears can expand or contract due to temperature variations during operation. Ensure proper clearances and allowances are considered to accommodate thermal expansion without compromising alignment. Consult the gear manufacturer’s guidelines or industry standards for recommended clearances based on the expected operating temperature range.
  8. Follow Manufacturer’s Guidelines: Always refer to the gear manufacturer’s guidelines, specifications, and recommendations for proper alignment procedures. Different gear types and designs may have specific alignment requirements. Manufacturers often provide detailed instructions and alignment tolerances that should be followed to achieve optimal gear performance and longevity.

By following these alignment practices, engineers can ensure the proper alignment of helical gears, promoting smooth and efficient gear operation, reducing noise and vibration, and maximizing gear system lifespan.

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 factory High Precision SUS303 Helical Gear worm gearboxChina factory High Precision SUS303 Helical Gear worm gearbox
editor by CX 2024-03-29

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Helical Gear

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