China Professional C45 Material Gear Rack High Precision High Quality Helical bevel gearbox

Product Description

CNC rack and pinion gears high quality cheap custom size

 

Model number M1-M12
Material Brass, C45 steel,Stainless steel,Copper,POM,Aluminum,Alloy and so on
Surface treatment Zinc plated, Nickel plated, Passivation, Oxidation, Anodization, 
Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis, etc
Standard ISO, DIN, ANSI, JIS, BS and Non-standard.
Precision DIN6,DIN7,DIN8,DIN9.
Teeth treatment Hardened,Milled or Ground
Tolerance 0.001mm-0.01mm-0.1mm
Finish  shot/sand blast, heat treatment, annealing, tempering, polishing, anodizing, zinc-plated

 
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       Machining equipment
        
         

    Measurement for teeth

    

  
  Packing show

FAQ

  Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and 
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 

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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: Cut Gear
Toothed Portion Shape: Double Helical Gear
Material: Stainless Steel
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gear rack

What types of materials are commonly used for helical gear rack components?

Several types of materials are commonly used for helical gear rack components. The choice of material depends on various factors such as the application requirements, load conditions, desired performance characteristics, and cost considerations. Here’s a detailed explanation of some commonly used materials for helical gear rack components:

  • Steel: Steel is one of the most widely used materials for helical gear racks. It offers excellent strength, durability, and wear resistance, making it suitable for a wide range of applications. Different grades of steel, such as carbon steel, alloy steel, and case-hardened steel, are available to meet specific requirements. Steel gear racks can handle high loads, provide good surface hardness, and withstand demanding operating conditions.
  • Stainless Steel: Stainless steel is preferred in applications that require corrosion resistance. It contains a high percentage of chromium, which forms a protective oxide layer on the surface, preventing rust and corrosion. Stainless steel gear racks are commonly used in environments where exposure to moisture, chemicals, or high humidity is a concern. They offer good strength and wear resistance along with the added benefit of corrosion resistance.
  • Cast Iron: Cast iron is another popular material choice for helical gear rack components. It provides good strength, wear resistance, and damping properties. Cast iron gear racks are known for their excellent vibration and noise absorption characteristics. They are commonly used in applications that require quiet operation, such as in machinery or equipment used in noise-sensitive environments.
  • Brass and Bronze: Brass and bronze alloys are used in specific applications where low friction, good wear resistance, and self-lubricating properties are desired. These materials offer excellent machinability and can withstand high speeds and moderate loads. Brass and bronze gear racks are commonly used in applications such as automotive transmissions, marine equipment, and certain types of machinery.
  • Plastic and Composite Materials: Certain plastic and composite materials, such as nylon, acetal, and reinforced polymers, are utilized for helical gear rack components in certain applications. These materials offer advantages such as low friction, self-lubricating properties, lightweight, and resistance to chemicals or moisture. Plastic gear racks are commonly used in industries like automotive, consumer electronics, and robotics, where noise reduction, weight reduction, and cost-effectiveness are important factors.
  • Other Alloy Materials: Depending on specific application requirements, other alloy materials may be employed for helical gear rack components. These alloys can include materials such as aluminum alloys, titanium alloys, or specialized high-strength alloys. These materials are typically used in applications demanding lightweight components, high strength-to-weight ratios, or specific properties unique to the alloy being utilized.

It’s important to consider the specific needs of the application and consult with gear rack manufacturers or specialists to determine the most suitable material choice for helical gear rack components. Factors such as load capacity, operating conditions, environmental factors, cost, and desired performance characteristics should be taken into account when selecting the material.

In summary, materials commonly used for helical gear rack components include steel, stainless steel, cast iron, brass, bronze, plastic, composite materials, and other specialized alloys. Each material has its own set of advantages and is chosen based on the specific requirements of the application and the desired performance characteristics.

helical gear rack

How do helical gear racks contribute to efficient power transmission?

Helical gear racks play a significant role in achieving efficient power transmission in mechanical systems. They offer several design features and characteristics that contribute to the efficient transfer of power. Here’s a detailed explanation:

  • Tooth Engagement: Helical gear racks provide continuous contact between the gear teeth during operation. Unlike spur gear racks, which have a straight tooth profile, helical gear racks have teeth that are cut at an angle (helix angle) to the gear axis. This angled tooth profile enables gradual and smooth engagement with the mating helical gear, reducing the impact of sudden contact and minimizing noise and vibration. The continuous tooth engagement ensures a larger contact area between the gear rack and gear, leading to improved load distribution and power transmission efficiency.
  • Load Distribution: The helical tooth profile of gear racks allows for load distribution across multiple teeth. As the gear rotates, the inclined teeth of the gear mesh with the helical gear rack, and the load is shared among several teeth simultaneously. This distributed load-carrying capability helps reduce stress on individual teeth, minimizing the risk of tooth wear, fatigue, and potential failure. By distributing the load, helical gear racks can handle higher torque and transmit power more efficiently.
  • Reduced Sliding Friction: The helical tooth profile also contributes to reducing sliding friction between the gear teeth. As the helical gear rotates, the inclined teeth smoothly slide against the mating gear rack’s teeth. This sliding action helps distribute the lubricating film across a larger contact area, minimizing frictional losses and heat generation. The reduced sliding friction improves the mechanical efficiency of the gear system, allowing for more effective power transmission.
  • Backlash Reduction: Backlash refers to the clearance or lost motion between the gear teeth when changing direction. Helical gear racks help reduce backlash compared to other gear types, such as spur gear racks. The inclined teeth of helical gear racks engage gradually with the mating gear, resulting in a smoother and tighter meshing. This reduced backlash improves the accuracy and responsiveness of the power transmission system, contributing to overall efficiency.
  • Choice of Materials and Lubrication: The choice of materials for helical gear racks, as well as proper lubrication, also play a role in efficient power transmission. High-quality materials with good wear resistance and strength ensure minimal energy losses due to friction and wear. Additionally, proper lubrication helps reduce friction, dissipate heat, and protect against excessive wear, enhancing the overall efficiency and durability of the gear system.

By incorporating these design features and characteristics, helical gear racks contribute to efficient power transmission by reducing noise and vibration, improving load distribution, minimizing sliding friction and backlash, and ensuring proper lubrication. These factors collectively enhance the mechanical efficiency of the gear system, enabling effective power transfer in various applications.

helical gear rack

How does a helical gear rack differ from other types of gear racks?

A helical gear rack differs from other types of gear racks in several key aspects. Here’s a detailed explanation of the differences between a helical gear rack and other types of gear racks:

1. Tooth Orientation:

  • Straight Gear Rack: A straight gear rack has teeth that are cut perpendicular to the rack’s axis. The teeth are straight and parallel to the rack’s length.
  • Helical Gear Rack: A helical gear rack has teeth that are cut at an angle or helix to the rack’s axis. The teeth have a helical shape, similar to the teeth of a helical gear.
  • Spiral Gear Rack: A spiral gear rack combines the characteristics of both straight and helical gear racks. It has teeth that are cut at an angle to the rack’s axis, but the angle changes gradually along the length of the rack, creating a spiral shape.

2. Smoothness and Noise:

  • Straight Gear Rack: Straight gear racks tend to produce more noise and vibration during operation due to the instantaneous contact between the gear teeth and the rack teeth.
  • Helical Gear Rack: Helical gear racks provide smoother operation and reduced noise compared to straight gear racks. The helical teeth gradually engage, resulting in a smoother meshing action and quieter operation.
  • Spiral Gear Rack: Spiral gear racks also offer smoother operation and reduced noise levels due to the gradual engagement of the teeth along the spiral path.

3. Load Distribution:

  • Straight Gear Rack: In a straight gear rack, only a limited number of teeth engage with the mating gear at any given time, resulting in localized load distribution on the teeth.
  • Helical Gear Rack: Helical gear racks provide improved load distribution compared to straight gear racks. The angled teeth allow multiple teeth to be in contact simultaneously, distributing the load across a larger area and reducing tooth stress.
  • Spiral Gear Rack: Similar to helical gear racks, spiral gear racks also offer improved load distribution due to the angled teeth and the changing spiral angle along the rack’s length.

4. Application:

  • Straight Gear Rack: Straight gear racks are commonly used in applications where linear motion needs to be achieved without the need for smoothness or reduced noise. They are simpler in design and suitable for applications with lower precision requirements.
  • Helical Gear Rack: Helical gear racks are preferred in applications that require smoother operation, reduced noise, and improved load distribution. They are commonly used in precision machinery, such as CNC machines, where precise linear positioning is essential.
  • Spiral Gear Rack: Spiral gear racks are utilized in applications that require smooth operation and load distribution, similar to helical gear racks. They are often found in automation systems, robotics, and other motion control applications.

In summary, a helical gear rack differs from other types of gear racks in terms of tooth orientation, smoothness, noise, load distribution, and application. The helical gear rack’s angled teeth provide smoother operation, reduced noise, and improved load distribution compared to straight gear racks. Spiral gear racks combine the characteristics of both straight and helical gear racks, offering gradual tooth engagement along a spiral path. The choice of gear rack type depends on the specific requirements of the application, such as precision, smoothness, noise levels, and load distribution needs.

China Professional C45 Material Gear Rack High Precision High Quality Helical bevel gearboxChina Professional C45 Material Gear Rack High Precision High Quality Helical bevel gearbox
editor by CX 2024-04-08

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