China wholesaler Factory OEM Machinery Parts Stainless Steel Transmission Gear Helical Gear Rack and Pinion Transmission CNC Machining Parts (low price) bevel gear set

Product Description

   
   

Material

Aluminum: 2000 series, 6000 series, 7075, 5052, etc.

 

Stainless Steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc.

 

Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.

 

Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper.

 

Titanium: Grade F1-F5.

 

Plastic:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.

Our Services

CNC Turning, CNC Milling, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM)

Surface Treatment

Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Painting, Powder Coated,Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc.

Tolerance

±0.002 ~ ±0.005mm

Company Profile

As a company with a good reputation in the industry, CHINAMFG CHINAMFG has been known for its excellent technical strength and rigorous quality management. We have advanced production equipment and an experienced and skilled professional team, which can meet the needs of customers from product design, production to packaging.

In terms of product production, Desengrui has formed a set of mature production process and quality management system with many years of CNC production experience. We can not only provide customers with customized product production services, but also mass production according to customer requirements to ensure product quality and delivery time.

In terms of foreign trade services, Desengrui adheres to the service concept of “customer first”, is committed to providing customers with high-quality, efficient and professional services, and provides customers with a full range of services including market research, product positioning, sales strategy, etc. We are familiar with the rules and procedures of international trade, which can help customers avoid risks, reduce unnecessary losses, and maximize profits.

In the future, Desengrui will continue to uphold the service concept of “service first, customer is God”, constantly improve its own strength, and create more value for customers. We look CHINAMFG to working with our customers to create a better future.

Our main products are precison machining, CNC machining, forging, stamping & die casting parts.

Our products and services are involved in: Mechanic industry, Automatic production line, Telecommunication equipment, Automatic specialized industrial equipment, etc. And we are very rich experienced in many kinds of materials maching, such as such as AL5052/6061/6082/7075, SUS303/304/316/316L, SS440C, Carbon Steel, Alloy Steel, Brass, Copper, Bronze, Titanium. Our products have been sold well to USA, Canada, Germany, UK, Switzerland, Belgium, Isreal.

Our Advantages

UE(user experience)

Certifications

Packaging & Shipping

Our packaging depends on what packaging you need, we can do it all

Some of our samples

Here are some of our products, please contact us if you are interested!

After Sales Service

From production to shipment, the product has gone through 3 quality inspection processes. If you still receive the goods with problems, please contact us immediately, we will deal with it

FAQ

Q1: Where is your factory?
DSR: We are located in HangZhou, ZheJiang Province, China.
Q2: What information do I need to provide to get a quote?
DSR: Product drawings (material, structure, size, surface treatment requirements, etc.) and MOQ.
Q3: What is the minimum order quantity?
DSR: You can make as many as you want. I just need to remind you that there is a world of difference between the price of 1 and the price of 1,000.
Q4 Can you provide free samples?
DSR: Sure, but you’ll have to pay for the sample and return it when you order it. Our engineers work very hard to make samples. If there are no follow-up orders, I think they will be very sad.
Q5:DSRJBD: Usually 5-15 days. It depends on the quantity you order
Q6: Is it safe to send you my painting? Would you divulge the secrets of my design?
DSR: Yes, we can CHINAMFG a confidentiality agreement in advance before you send the drawings
Q7: How do I know the progress of my project without going to the factory?
DSR: You can always ask our sales staff to provide you with photos and videos.
Q8: There are some other questions I’d like to know.
DSR: Don’t hesitate. Please contact us immediately. It’s our pleasure to talk to you. I hope we can cooperate

Thank you for watching our products, and look CHINAMFG to working with you for CHINAMFG cooperation

 

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Order Sample

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

What are the advantages and disadvantages of using helical gears?

Helical gears offer several advantages and disadvantages compared to other types of gears. It’s important to consider these factors when selecting the appropriate gear type for a specific application. Here’s a detailed overview of the advantages and disadvantages of using helical gears:

Advantages of Helical Gears:

  • Smooth and Quiet Operation: Helical gears operate with less noise and vibration compared to spur gears. The inclined tooth profile allows for gradual tooth engagement, resulting in smooth and quiet gear meshing. This advantage makes helical gears suitable for applications that require low noise levels and improved operator comfort.
  • High Load-Carrying Capacity: The inclined teeth of helical gears provide a larger contact area compared to other gear types. This increased contact area enables helical gears to handle higher loads and transmit greater torque without excessive wear or risk of tooth failure. Helical gears are known for their high load-carrying capacity, making them suitable for heavy-duty applications.
  • Efficient Power Transmission: Helical gears offer efficient power transmission due to their inclined tooth design. The gradual engagement of helical teeth reduces impact and shock loads, minimizing energy losses and improving overall system efficiency. This advantage makes helical gears suitable for applications where power efficiency is critical.
  • Higher Gear Ratios: Helical gears can achieve higher gear ratios compared to other gear types. This capability allows for more precise speed control and torque conversion in various applications. Helical gears are ideal for systems that require fine-tuning of rotational speed and torque output.
  • Compact Design: Helical gears have a compact design that allows for efficient use of space within a system. The inclined tooth profile enables multiple gear sets to be positioned on parallel or intersecting shafts, facilitating compact gear arrangements. This advantage is particularly useful in applications with space constraints.
  • Good Meshing Characteristics: Helical gears exhibit excellent meshing characteristics, including smooth gear engagement and minimal backlash. The inclined tooth profile ensures precise gear meshing, resulting in accurate motion control and reduced vibration. This advantage is desirable in applications that require precise positioning and synchronization of components.

Disadvantages of Helical Gears:

  • Axial Thrust: Helical gears generate an axial thrust force due to the helix angle of the teeth. This axial thrust must be properly supported to prevent axial movement of the gear shafts. Additional thrust bearings or thrust plates may be required, adding complexity and cost to the gear system design.
  • Complex Manufacturing: The manufacturing process of helical gears is more complex compared to spur gears. The inclined tooth profile requires specialized cutting tools and machinery to produce accurate helical gears. This complexity can result in higher manufacturing costs and longer lead times for custom gears.
  • Efficiency Reduction at High Speeds: Helical gears may experience a reduction in efficiency at high rotational speeds. This reduction is due to an increase in axial thrust forces, which generate additional friction and energy losses. Proper lubrication and design considerations are necessary to mitigate this efficiency reduction.
  • Thrust Load Sensitivity: Helical gears are sensitive to axial thrust loads. Uneven distribution of axial loads or improper alignment of gears can lead to increased wear and premature failure. Careful consideration of gear design, proper alignment, and adequate thrust load support are essential to ensure gear longevity and reliable operation.
  • Limited Ratios: Although helical gears can achieve higher gear ratios compared to spur gears, their range of available gear ratios is limited compared to other gear types, such as worm gears or bevel gears. If a very high or very low gear ratio is required for a specific application, other gear types may be more suitable.

Considering these advantages and disadvantages, engineers can make informed decisions when selecting helical gears for their specific applications. By carefully evaluating the requirements and constraints of the system, they can leverage the strengths of helical gears while mitigating any potential limitations.

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

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 wholesaler Factory OEM Machinery Parts Stainless Steel Transmission Gear Helical Gear Rack and Pinion Transmission CNC Machining Parts (low price) bevel gear setChina wholesaler Factory OEM Machinery Parts Stainless Steel Transmission Gear Helical Gear Rack and Pinion Transmission CNC Machining Parts (low price) bevel gear set
editor by Dream 2024-04-19