China manufacturer OEM High Quality Plastic Bevel/Crown/Worm/Helical Sprocket/Spur Gear for Shaft bevel gear set

Product Description


Excellent powder metallurgy parts metallic sintered parts
We could offer various powder metallurgy parts including iron based and copper based with top quality and cheapest price, please only send the drawing or sample to us, we will according to customer’s requirement to make it. if you are interested in our product, please do not hesitate to contact us, we would like to offer the top quality and best service for you. thank you!

How do We Work with Our Clients
1. For a design expert or a big company with your own engineering team: we prefer to receive a fully RFQ pack from you including drawing, 3D model, quantity, pictures;

2. For a start-up company owner or green hand for engineering: just send an idea that you want to try, you don’t even need to know what casting is;

3. Our sales will reply you within 24 hours to confirm further details and give the estimated quote time;

4. Our engineering team will evaluate your inquiry and provide our offer within next 1~3 working days.

5. We can arrange a technical communication meeting with you and our engineers together anytime if required.

Place of origin: Jangsu,China
Type: Powder metallurgy sintering
Spare parts type: Powder metallurgy parts
Machinery Test report: Provided
Material: Iron,stainless,steel,copper
Key selling points: Quality assurance
Mould type: Tungsten steel
Material standard: MPIF 35,DIN 3571,JIS Z 2550
Application: Small home appliances,Lockset,Electric tool, automobile,
Brand Name: OEM SERVICE
Plating: Customized
After-sales Service: Online support
Processing: Powder Metallurgr,CNC Machining
Powder Metallurgr: High frequency quenching, oil immersion
Quality Control: 100% inspection

The Advantage of Powder Metallurgy Process

1. Cost effective
The final products can be compacted with powder metallurgy method ,and no need or can shorten the processing of machine .It can save material greatly and reduce the production cost .

2. Complex shapes
Powder metallurgy allows to obtain complex shapes directly from the compacting tooling ,without any machining operation ,like teeth ,splines ,profiles ,frontal geometries etc.

3. High precision
Achievable tolerances in the perpendicular direction of compacting are typically IT 8-9 as sintered,improvable up to IT 5-7 after sizing .Additional machining operations can improve the precision .

4. Self-lubrication
The interconnected porosity of the material can be filled with oils ,obtaining then a self-lubricating bearing :the oil provides constant lubrication between bearing and shaft ,and the system does not need any additional external lubricant .

5. Green technology
The manufacturing process of sintered components is certified as ecological ,because the material waste is very low ,the product is recyclable ,and the energy efficiency is good because the material is not molten. 

FAQ
Q1: What is the type of payment?
A: Usually you should prepay 50% of the total amount. The balance should be pay off before shipment.

Q2: How to guarantee the high quality?
A: 100% inspection. We have Carl Zeiss high-precision testing equipment and testing department to make sure every product of size,appearance and pressure test are good. 

Q3: How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.

Q4. How about your delivery time?
A: Generally, it will take 25 to 35 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. and if the item was non standard, we have to consider extra 10-15days for tooling/mould made.

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

Q6: How about tooling Charge?
A: Tooling charge only charge once when first order, all future orders would not charge again even tooling repair or under maintance.

Q7: 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.

Q8: How do you make our business long-term and good relationship?
A: 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, no matter where they come from.
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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, as Required
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

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about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

crown gear

What are the safety considerations when working with crown gear systems?

Working with crown gear systems requires attention to safety to prevent accidents and ensure the well-being of individuals involved. Here are some important safety considerations when working with crown gear systems:

  • Training and Knowledge:

Ensure that individuals working with crown gear systems have received proper training and possess the necessary knowledge and expertise. They should understand the gear system’s operation, potential hazards, safety protocols, and emergency procedures. Adequate training helps minimize the risk of accidents and promotes safe working practices.

  • Protective Equipment:

Provide appropriate personal protective equipment (PPE) to individuals working with crown gear systems. This may include safety glasses, gloves, ear protection, and any other necessary equipment based on the specific hazards associated with the system. PPE helps safeguard against potential injuries from flying debris, noise, or contact with moving parts.

  • Machine Guarding:

Ensure that crown gear systems are properly guarded to prevent accidental contact with the moving gears. Install protective barriers, covers, or interlocking mechanisms to restrict access to hazardous areas. Machine guarding helps prevent injuries and keeps personnel safe from potential pinch points, entanglement, or crushing hazards.

  • Lockout/Tagout Procedures:

Follow lockout/tagout procedures when performing maintenance or repair tasks on crown gear systems. Lockout/tagout involves isolating the equipment from its power source and affixing lockout/tagout devices to prevent unintended energization. This procedure protects workers from the unexpected startup of machinery and ensures their safety during maintenance activities.

  • Routine Inspections:

Regularly inspect the crown gear system for any signs of wear, damage, or abnormalities. Look for loose or missing bolts, excessive vibrations, unusual noise, or leaks. Detecting and addressing potential issues through routine inspections helps prevent accidents and maintain the safe functioning of the gear system.

  • Proper Lifting and Handling:

When moving or lifting crown gear components, adhere to proper lifting techniques and use appropriate lifting equipment. Crown gears can be heavy, and incorrect lifting or handling can lead to strains, sprains, or dropped objects. Follow ergonomic guidelines and use mechanical aids such as cranes, hoists, or lifting slings to ensure safe lifting practices.

  • Emergency Preparedness:

Establish emergency preparedness protocols specific to crown gear systems. This includes clear communication channels, knowledge of emergency shutdown procedures, and access to first aid supplies. Train personnel on how to respond to emergencies, such as gear system malfunctions, injuries, or unexpected incidents.

Promoting a safety-conscious culture, providing ongoing safety training, and ensuring the implementation of appropriate safety measures are critical when working with crown gear systems. It is important to adhere to local safety regulations, follow manufacturer guidelines, and prioritize the well-being of individuals involved in operating, maintaining, or repairing crown gear systems.

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 do crown gears contribute to transmitting motion and power?

Crown gears play a significant role in the transmission of motion and power in mechanical systems. Let’s explore how crown gears contribute to these essential functions:

  • Directional Change:

One of the primary contributions of crown gears is facilitating a change in motion direction. By meshing a crown gear with other gears, the rotational motion can be redirected by 90 degrees. This directional change capability enables the transmission of motion in different directions within a mechanical system, allowing for the desired movement and positioning of components.

  • Meshing and Torque Transfer:

Crown gears engage and mesh with other gears to transmit torque and rotational motion. The teeth of a crown gear interlock with the teeth of the meshing gear, creating a mechanical connection. As power is applied to the crown gear, the interlocking teeth transfer torque to the meshing gear, enabling the transmission of rotational motion and power from one gear to another.

  • Force Distribution:

Crown gears contribute to the distribution of forces in a gear system. When a crown gear meshes with other gears, the load and forces acting on the gear teeth are distributed across a larger contact area. This distribution helps reduce stress and wear on individual gear teeth, ensuring smoother operation, improved durability, and efficient power transmission within the system.

  • Compatibility with Different Gears:

Crown gears are designed to be compatible with various gear types, including gears with parallel axes or bevel gears with intersecting axes. This compatibility allows crown gears to mesh smoothly with different gear configurations, enabling the transmission of motion and power between different components of a machinery setup. Crown gears serve as a critical link in transferring power and rotational motion within complex gear systems.

  • Precision and Control:

Due to their unique design and meshing characteristics, crown gears offer precise control over motion and power transmission. The interlocking teeth of crown gears ensure a firm and accurate engagement, minimizing backlash and providing reliable and controlled movement. This precision is particularly crucial in applications that require accurate positioning, such as robotics, automation, and manufacturing processes.

In summary, crown gears contribute to the transmission of motion and power by enabling directional changes, meshing and torque transfer, distributing forces, ensuring compatibility with different gear types, and providing precision and control. These contributions make crown gears vital components in various mechanical systems, allowing for efficient power transmission, accurate motion control, and reliable operation.

China manufacturer OEM High Quality Plastic Bevel/Crown/Worm/Helical Sprocket/Spur Gear for Shaft bevel gear setChina manufacturer OEM High Quality Plastic Bevel/Crown/Worm/Helical Sprocket/Spur Gear for Shaft bevel gear set
editor by CX 2024-04-09