China Standard China Custom Plastic Gear CZPT Wheel and Pinion with Ratio Pinion Ring Gear helical bevel gear

Product Description

Product Description

Gears, are widely used in conveyor system. According to the shape, there are spur gear, bevel gear, helical gear, pin gear, double gear and etc. According the using situation, gears involved in driving gears and drived gears. According to different using environment, there are different materials to choice, such as: HCPP, PVDF, PVC, POM, PA, PFA, PEEK, ETFE and etc. Main parameter for gears, there are: ID, OD, Teeth quantity, M, Length, Center circle. As we know: M*Teeth quantity=Center circle, so if you have any requirements, pls contact with us. We have professional design team, we can design drawing and choose suitable material for you, as your requirements.

Detailed Photos

 

 

Features

 

1- wear-resistant
2- corrosion resistance
3- transfer smooth
4- low transmission sound
5- easy to install and repair replacement
 

Product Parameters

 

Name Material ID Center Circle
Spur Gear HCPP, PVDF, PVC, POM, PA, PFA, PEEK, ETFE and etc. ID8, ID10, ID12, ID12.7, ID15, ID16 and etc. 16, 18, 20, 22, 24, 25, 30, 32, 35, 40, 48, 50 and etc.
Bevel Gear
Helical Gear
Pin Gear
Double Gear

Note: If you need order gears, pls provide the data as the drawing:

Other Products

 

Packaging & Shipping

 

FAQ

 

Q: Are you trading company or manufacturer ?
A: We are manufacturer.
Q: How to order ?
A: Normally you can order our products by using Made-in China platform or contacting representatives by Email. 
After we receive your messages, we will help you to choose the right specifications and other inquiries. 
Then we will send an proforma invoice to you via mail, it includes details of your order and our bank information. 
After we received your payment by TT, we will ship your goods and we will send the invoice, packing list, and the express tracking number via mail.

Q: What is our term of trade ?
A: Usually we use EX WORKS. If you need other term of trade, please let us know.

Q: How to pay ?
A: We accept the payment by T/T (bank transfer) or pay through Made-in China platform. 
Please inquire us about the details in advance.

Q: How are you going to deliver our goods ?
A: We can ship your goods either by air express (FedEx, DHL, UPS, TNT etc) or by sea. 
 

 

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Application: PCB Machine
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Injection Molding
Toothed Portion Shape: Spur Gear
Material: Plastic
Samples:
US$ 0.4/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

crown gear

Can crown gears be used in automotive applications?

Yes, crown gears can be used in automotive applications, and they serve various purposes within the automotive systems. Let’s explore how crown gears are utilized in the automotive industry:

  • Differential Gear Systems:

Crown gears are commonly employed in differential gear systems. The differential is a critical component in vehicles that enables the wheels to rotate at different speeds while maintaining power distribution. Crown gears, along with bevel gears, form the gear set within the differential, allowing the power from the engine to be split and distributed to the wheels effectively. The use of crown gears in differentials ensures smooth power transmission and enables improved handling, traction, and stability of the vehicle.

  • Power Steering Systems:

Crown gears can also be found in power steering systems, particularly in rack-and-pinion setups. In such systems, the crown gear is an integral part of the rack, and it meshes with the pinion gear to convert the rotational motion of the steering wheel into linear motion. The use of crown gears in power steering systems allows for precise and responsive steering control, enhancing the overall driving experience.

  • Timing Gear Systems:

Crown gears are utilized in timing gear systems of internal combustion engines. These systems synchronize the opening and closing of engine valves with the movement of the crankshaft. Crown gears, along with other gears like spur gears or helical gears, are employed to transfer rotational motion from the crankshaft to the camshaft(s). The accurate timing and synchronization provided by crown gears ensure efficient engine performance and optimal combustion.

  • Other Applications:

Besides the specific automotive systems mentioned above, crown gears can also find use in other applications within vehicles. They may be employed in speedometers, odometers, and various instrument clusters to transfer and display speed or distance information accurately. Additionally, crown gears can be utilized in adjustable seating mechanisms, convertible tops, or other motorized components in vehicles.

In summary, crown gears have diverse applications in the automotive industry. Whether in differential gear systems, power steering systems, timing gear systems, or other vehicle components, crown gears contribute to improved power distribution, precise steering control, efficient engine performance, and accurate information display. Their reliability, durability, and ability to handle high loads make them suitable for fulfilling the demanding requirements of automotive applications.

crown gear

What are the challenges in designing and manufacturing crown gears?

The design and manufacturing of crown gears come with certain challenges that engineers and manufacturers need to address. Let’s explore the challenges involved in designing and manufacturing crown gears:

  • Complex Tooth Geometry:

Crown gears have a complex tooth geometry compared to other gear types. The curved shape of the teeth requires precise calculations and design considerations to ensure proper meshing and optimal performance. Designing and modeling these intricate tooth profiles can be challenging, requiring advanced software tools and expertise.

  • Manufacturing Tolerances:

Manufacturing crown gears with tight tolerances is crucial to achieve smooth and accurate meshing with other gears. The curved tooth profile and perpendicular orientation require precise machining or gear cutting processes. Maintaining the necessary tolerances throughout the manufacturing process can be challenging and may require specialized equipment or techniques.

  • Noise and Vibration:

Due to the complex tooth geometry and meshing characteristics, crown gears can generate noise and vibration during operation. Ensuring quiet and vibration-free performance is essential, especially in applications where noise reduction is critical. Designing and manufacturing crown gears with appropriate tooth profiles, surface finishes, and gear materials can help mitigate noise and vibration issues.

  • Stress Concentrations:

Crown gears are susceptible to stress concentrations at the tooth root and fillet areas. The high contact stresses occurring during meshing can lead to premature tooth failure or wear. Designing proper fillet radii, optimizing tooth profiles, and selecting suitable materials and heat treatments are important considerations to minimize stress concentrations and enhance gear strength and durability.

  • Heat Treatment and Surface Hardening:

Achieving the desired surface hardness and wear resistance of crown gears can be challenging. Heat treatment processes, such as carburizing or induction hardening, need to be carefully controlled to ensure uniform hardness distribution and avoid distortion. Balancing the gear’s core toughness with the surface hardness is critical to maintain gear integrity and performance.

  • Lubrication and Maintenance:

Crown gears require proper lubrication to reduce friction, wear, and heat generation during operation. Designing gear systems with adequate lubrication mechanisms, such as oil baths or forced lubrication, is crucial. Additionally, considering maintenance requirements, such as accessibility for lubrication and gear inspection, is important to ensure the long-term performance and reliability of crown gears.

In summary, designing and manufacturing crown gears present challenges related to complex tooth geometry, manufacturing tolerances, noise and vibration, stress concentrations, heat treatment, surface hardening, lubrication, and maintenance. Overcoming these challenges requires careful design considerations, precise manufacturing processes, and suitable material selection to ensure the optimal performance, durability, and reliability of crown gears in gear systems.

crown gear

How does a crown gear differ from other types of gears?

A crown gear, also known as a contrate gear or a contrate wheel, has distinct characteristics that set it apart from other types of gears. Let’s explore the key differences between a crown gear and other gears:

  • Tooth Orientation:

One of the primary differences is the tooth orientation. In a crown gear, the teeth are positioned perpendicular to the gear’s face. This is in contrast to other gears, such as spur gears or bevel gears, where the teeth are parallel or at an angle to the gear’s axis. The perpendicular tooth arrangement of a crown gear allows for specific functionalities in mechanical systems.

  • Directional Change:

A significant advantage of crown gears is their ability to change the direction of rotation in a mechanical system. By meshing with other gears, crown gears can redirect rotational motion by 90 degrees. This directional change capability is particularly useful in applications where a change in motion direction is required, such as conveyors, cranes, and other machinery.

  • Meshing with Different Gear Types:

Crown gears can mesh with gears that have parallel axes or bevel gears with intersecting axes. This versatility allows crown gears to work in conjunction with other gear types, enabling torque and rotational motion transfer between them. The perpendicular tooth orientation of crown gears facilitates smooth meshing with these different gear configurations.

  • Force Distribution:

Another distinguishing feature of crown gears is their ability to distribute forces and torques in mechanical systems. By meshing a crown gear with other gears, the load can be spread across a larger contact area. This distribution of forces helps reduce stress and wear on individual gear teeth, promoting smoother operation and improved durability of the gear system.

  • Applications:

Crown gears find applications in various industries due to their unique characteristics. They are commonly used in steering mechanisms, such as rack and pinion systems in automotive applications, where the crown gear meshes with a rack to convert rotational motion into linear motion for precise steering control. Crown gears are also employed in automation and robotics for motion control mechanisms, enabling changes in motion direction and force distribution in robotic arms, gantry systems, and other automated equipment.

In summary, a crown gear differs from other types of gears primarily in its tooth orientation, ability to change motion direction, versatility in meshing with different gear types, and force distribution capabilities. These distinctions make crown gears suitable for specific applications where directional change, force distribution, and precise motion control are required.

China Standard China Custom Plastic Gear CZPT Wheel and Pinion with Ratio Pinion Ring Gear helical bevel gearChina Standard China Custom Plastic Gear CZPT Wheel and Pinion with Ratio Pinion Ring Gear helical bevel gear
editor by CX 2024-04-09