China high quality Powdered Metal Planetary Sun and Helical Gears for Custom Machine bevel spiral gear

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.
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Online
Warranty: 1 Year
Condition: New
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

sun gear

Can sun gears be used in automotive applications?

Sun gears are widely used in various automotive applications, playing crucial roles in different systems. Let’s explore the automotive applications where sun gears are commonly employed:

  • Automatic Transmissions:

Sun gears are integral components of automatic transmissions in vehicles. Automatic transmissions use planetary gear systems, where the sun gear is one of the key elements. The interaction between the sun gear, planet gears, and ring gear allows for different gear ratios and smooth shifting between gears.

In automatic transmissions, the sun gear is driven by the engine’s input shaft and transmits power to the other gears. By controlling the engagement of various clutches and brakes within the transmission, the sun gear enables seamless gear changes, optimizing vehicle performance and fuel efficiency.

  • Transfer Cases:

In four-wheel-drive and all-wheel-drive vehicles, transfer cases distribute power between the front and rear wheels. Sun gears are utilized in transfer cases to facilitate power transfer and gear reduction.

The sun gear, along with other gears and components, helps control the torque distribution and gear ratios between the front and rear axles. This allows vehicles to adapt to different driving conditions, such as slippery surfaces or off-road terrain, enhancing traction and stability.

  • Starter Motors:

Sun gears are employed in starter motors, which are responsible for cranking the engine during startup. Starter motors use a gear reduction mechanism to convert the electric motor’s high-speed rotation into a higher torque output.

The sun gear, along with other gears like the planetary gears, enables the gear reduction necessary to generate sufficient torque to crank the engine. This gearing arrangement allows for efficient and reliable engine starting, even in challenging conditions.

  • Power Seats and Windows:

Sun gears can also be found in power seat and power window mechanisms in vehicles. These systems use electric motors to adjust seat positions or operate windows.

The sun gear, along with other gears and mechanisms, converts the rotational motion of the electric motor into linear movement, enabling precise adjustments of seat positions or smooth operation of windows. The use of sun gears ensures reliable and efficient functionality of these systems.

  • Other Automotive Systems:

Sun gears may also have applications in other automotive systems. For example, they can be found in power steering systems, where they contribute to the gear reduction and power transmission required for smooth steering operation.

Furthermore, sun gears can be utilized in various auxiliary systems, such as cooling fans, HVAC (heating, ventilation, and air conditioning) systems, and engine accessories. These applications leverage the sun gear’s ability to facilitate power transmission and gear reduction, enhancing the efficiency and performance of these systems.

In summary, sun gears are extensively used in automotive applications, including automatic transmissions, transfer cases, starter motors, power seats and windows, power steering systems, and auxiliary systems. Their presence in these systems enables crucial functions such as gear shifting, power distribution, gear reduction, and efficient power transmission. Sun gears contribute to the overall performance, reliability, and functionality of automotive systems, enhancing the driving experience and vehicle efficiency.

sun gear

How does a sun gear handle variations in load and speed conditions?

A sun gear is designed to handle variations in load and speed conditions in mechanical systems. Its unique positioning and interaction within a planetary gear arrangement contribute to its ability to adapt to changing load and speed requirements. Here’s an explanation of how a sun gear handles variations in load and speed conditions:

  • Load Distribution:

In a planetary gear system, the sun gear is located at the center and engages with multiple planet gears, which in turn interact with the outer ring gear. This configuration enables the sun gear to distribute the load among the planet gears. As the load on the system varies, the distribution of load among the planet gears adjusts accordingly. The load distribution mechanism allows the sun gear to handle variations in load conditions by effectively sharing the load across multiple contact points.

  • Torque Amplification:

The arrangement of the sun gear, planet gears, and ring gear in a planetary system allows for torque amplification. By changing the number of teeth on the gears and their relative sizes, the gear ratio can be customized. This capability enables the sun gear to adapt to variations in load and speed conditions. When higher torque is required, the gear system can be configured to provide torque amplification by increasing the gear ratio. Conversely, when lower torque is needed, the gear ratio can be adjusted accordingly. This flexibility in gear ratio configuration allows the sun gear to handle variations in load and speed by adapting the torque output.

  • Speed Regulation:

Another way the sun gear handles variations in load and speed conditions is through speed regulation. In a planetary gear system, the sun gear’s rotation speed is determined by the input speed and the gear ratio configuration. By adjusting the gear ratio, the rotational speed of the sun gear can be controlled. This speed regulation capability allows the sun gear to adapt to changing speed requirements. When higher speeds are necessary, the gear ratio can be adjusted to increase the rotational speed of the sun gear. Similarly, when lower speeds are desired, the gear ratio can be modified accordingly. The sun gear’s ability to regulate its rotational speed enables it to accommodate variations in load and speed conditions.

  • Sturdy Construction:

Sun gears are typically constructed from durable materials such as hardened steel or other high-strength alloys. This robust construction enables them to withstand the forces generated by variations in load and speed conditions. The sturdy design of sun gears ensures that they can handle the stresses and strains associated with changing operating conditions without experiencing premature wear or failure.

In summary, a sun gear handles variations in load and speed conditions through load distribution among the planet gears, torque amplification or reduction based on the gear ratio configuration, speed regulation by adjusting the gear ratio, and its sturdy construction. These features enable the sun gear to adapt to changing requirements, ensuring reliable and efficient operation in various mechanical systems.

sun gear

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

A sun gear has distinct characteristics that set it apart from other types of gears. While gears serve various purposes in mechanical systems, understanding the specific features of a sun gear can help differentiate it from other gear types. Here’s an explanation of how a sun gear differs from other gears:

  • Central Position: Unlike many other gears that are located on the periphery of a gear system, a sun gear is positioned at the center of a planetary gear arrangement. It serves as a central driver within the system, transmitting torque to other gears.
  • Engagement with Planet Gears: A defining feature of a sun gear is its engagement with multiple planet gears. These planet gears surround the sun gear and mesh with both the sun gear and an outer ring gear. The interaction between the sun gear and the planet gears allows for the transfer of torque and power distribution within the gear system.
  • Gear System Configuration: Sun gears are commonly found in planetary gear systems, where they function as a central component. Planetary gear systems consist of a sun gear, planet gears, and an outer ring gear. The arrangement and interaction of these gears enable various gear ratios, torque multiplication, and directional control.
  • Power Input: In a planetary gear system, the sun gear typically receives power input from an external source, such as an engine or motor. It serves as the primary driving element that initiates torque transmission and power distribution within the system.
  • Role in Gear Ratio: The sun gear’s size, number of teeth, and its interaction with the planet gears and ring gear determine the overall gear ratio. By altering the sizes and arrangements of these gears, manufacturers can achieve different speed and torque combinations, providing versatility in gear system applications.

While a sun gear has its unique characteristics, it is essential to note that gears come in various types and configurations, each serving specific purposes in mechanical systems. Different types of gears include spur gears, helical gears, bevel gears, worm gears, and more. Each type has its own design, tooth profile, and applications, catering to different needs such as speed reduction, torque multiplication, directional control, or noise reduction.

In summary, a sun gear differentiates itself through its central positioning, engagement with planet gears, configuration in planetary gear systems, role as a power input element, and influence on gear ratio. Understanding these distinctions helps in recognizing the specific functions and applications of sun gears within mechanical systems.

China high quality Powdered Metal Planetary Sun and Helical Gears for Custom Machine bevel spiral gearChina high quality Powdered Metal Planetary Sun and Helical Gears for Custom Machine bevel spiral gear
editor by CX 2023-09-18