China supplier Customized Powder Metallurgy Planet Straight Spur Gear Sun Gear for Gearbox Transmission Spare Part gear cycle

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
Manufacturing Method: Sintered Gear
Toothed Portion Shape: Spur Gear
Material: as Required
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

sun gear

How does a sun gear contribute to changes in torque direction in gear systems?

A sun gear plays a crucial role in gear systems when it comes to changing the direction of torque. Let’s delve into the details of how a sun gear contributes to torque direction changes in gear systems:

  • Planetary Gear Systems:

In planetary gear systems, the sun gear is one of the primary components along with the planet gears and the ring gear. These systems consist of one or more planet gears that mesh with both the sun gear and the ring gear. The arrangement of these gears allows for various torque direction changes.

  • Torque Transmission:

The sun gear acts as a central driver in a planetary gear system. As power is applied to the sun gear, it transmits torque to the planet gears. The planet gears, in turn, engage with the ring gear, which ultimately transfers the torque to the output shaft or the desired component.

When the sun gear rotates in a specific direction, it imparts torque to the planet gears. The planet gears, due to their meshing with the stationary ring gear, distribute the torque evenly across all the gears. This torque transmission mechanism allows for the transfer of rotational force from the input (sun gear) to the output (ring gear or output shaft) of the system.

  • Direction Reversal:

The unique configuration of a planetary gear system allows for torque direction changes. By manipulating the relative sizes and arrangements of the gears, including the sun gear, it is possible to reverse the direction of the torque output.

For instance, when the sun gear serves as the input and rotates clockwise, it causes the planet gears to rotate counterclockwise. This counterclockwise rotation, in turn, causes the ring gear to rotate in the clockwise direction, resulting in a torque reversal.

Similarly, by reversing the direction of the sun gear’s rotation, the torque direction can be reversed once again. This ability to change the torque direction makes planetary gear systems versatile and applicable in various mechanical and automotive applications.

  • Torque Amplification and Reduction:

Another way the sun gear contributes to torque direction changes is through torque amplification and reduction. By incorporating different gear ratios within the planetary gear system, it is possible to alter the torque output relative to the input.

A specific arrangement of gear sizes, including the sun gear, can result in torque amplification. Torque amplification occurs when the output torque is greater than the input torque. This configuration can be beneficial in applications where increased torque is required, such as in heavy machinery or vehicles.

Conversely, torque reduction can be achieved by utilizing different gear ratios. By adjusting the sizes of the gears, including the sun gear, the output torque can be lower than the input torque. Torque reduction is useful in situations where precision control or lower torque output is necessary, such as in robotics or delicate machinery.

  • Overall Torque Control:

The sun gear’s contribution to torque direction changes in gear systems provides a means of overall torque control. By manipulating the rotation direction and gear ratios, the torque can be directed, amplified, or reduced according to the specific requirements of the application.

Engineers and designers can utilize the sun gear, along with other gears in the system, to achieve the desired torque direction, torque amplification or reduction, and mechanical power transmission within gear systems.

In conclusion, the sun gear is a critical component in gear systems for changing torque direction. It enables torque transmission, facilitates torque direction reversal, contributes to torque amplification or reduction, and provides overall torque control within planetary gear systems and other similar gear configurations.

sun gear

What are the considerations for lubrication and maintenance of sun gears?

Proper lubrication and maintenance of sun gears are crucial for ensuring their optimal performance, longevity, and reliability. Sun gears, like other mechanical components, require appropriate lubrication to minimize friction, reduce wear, and prevent damage. Here are some considerations for lubrication and maintenance of sun gears:

  • Lubrication:

Effective lubrication is essential for sun gears to operate smoothly and efficiently. Consider the following aspects:

  • Lubricant Selection: Choose a lubricant that is specifically designed for gear applications. The lubricant should have the necessary viscosity, additives, and thermal stability to provide adequate lubrication and protection to the sun gears under the operating conditions.
  • Proper Lubricant Application: Ensure that the lubricant is applied correctly to the sun gears. This can involve methods such as oil baths, oil mist systems, or grease application, depending on the specific gear system and its requirements. Follow the manufacturer’s guidelines or consult with lubrication experts for the appropriate lubrication technique.
  • Regular Lubricant Inspection: Monitor the lubricant condition regularly to ensure its effectiveness and to detect any signs of contamination, degradation, or insufficient lubrication. Perform oil analysis or visual inspections as recommended by lubrication experts or equipment manufacturers.
  • Maintenance:

Proper maintenance practices help keep sun gears in optimal working condition and extend their service life. Consider the following maintenance considerations:

  • Regular Inspections: Conduct routine inspections of the sun gears to check for any signs of wear, damage, misalignment, or abnormal operating conditions. Inspections can help identify potential issues early, allowing for timely maintenance or repairs.
  • Torque and Load Monitoring: Keep track of the torque and load applied to the sun gears. Ensure that the gear system is not subjected to excessive loads or overloading, as this can lead to premature wear and failure. Use appropriate monitoring techniques, such as load sensors or torque meters, to ensure the gear system operates within its designed limits.
  • Alignment and Gear Meshing: Ensure proper alignment and gear meshing between the sun gear, planet gears, and ring gear. Misalignment or improper gear engagement can cause excessive wear and damage to the gear system. Regularly check and adjust the gear alignment as needed.
  • Proactive Repairs and Replacements: If any issues, such as worn teeth, damaged gear components, or abnormal vibrations, are detected during inspections or monitoring, take proactive measures to repair or replace the affected parts. Timely repairs can prevent further damage and improve the overall performance and reliability of the sun gears.
  • Operating Conditions: Consider the operating conditions of the gear system, such as temperature, humidity, and environmental factors. Ensure that the sun gears are protected from excessive heat, moisture, contaminants, and corrosive substances that can adversely affect their performance and durability.

In summary, proper lubrication and maintenance of sun gears are critical for their optimal performance and longevity. Considerations include selecting the right lubricant, applying it correctly, inspecting the lubricant regularly, conducting routine inspections, monitoring torque and load, ensuring proper alignment and gear meshing, performing proactive repairs and replacements, and considering the operating conditions. Adhering to these considerations helps ensure reliable and efficient operation of sun gears in various mechanical systems.

sun gear

What is the purpose of using a sun gear in mechanical applications?

The use of a sun gear in mechanical applications serves several important purposes. This central gear component plays a crucial role in achieving specific functionalities and benefits within gear systems. Here’s an explanation of the purpose of using a sun gear:

  • Power Transmission: The primary purpose of a sun gear is to facilitate power transmission within gear systems. It acts as a central driver that receives power input, typically from an external source such as an engine or motor. The sun gear transfers torque to other gears, enabling the transmission of rotational motion and power throughout the system.
  • Gear Ratio Control: Sun gears are instrumental in controlling the gear ratio within a gear system. By altering the size, number of teeth, and interaction with other gears such as planet gears and ring gears, the sun gear helps determine the overall gear ratio. This allows for the adjustment of rotational speed and torque output according to the specific requirements of the mechanical application.
  • Torque Multiplication: In certain gear systems, a sun gear can be used to multiply torque. By employing a planetary gear arrangement, where the sun gear interacts with multiple planet gears and an outer ring gear, torque can be amplified. This torque multiplication capability of the sun gear is particularly useful in applications where high torque output is required, such as automotive transmissions and heavy machinery.
  • Directional Control: Sun gears can also play a role in controlling the direction of power transmission within gear systems. In planetary gear arrangements, fixing or holding the sun gear while the ring gear or planet carrier is driven can result in different output directions, such as forward or reverse rotation. This directional control feature adds versatility to gear systems, allowing them to be utilized in various mechanical applications.
  • Compact Design: The utilization of a sun gear in gear systems often enables a more compact and space-efficient design. The central positioning of the sun gear, along with the arrangement of other gears, allows for a reduction in overall size while maintaining efficient power transmission. This compactness is advantageous in applications with limited space or weight restrictions.

In summary, the purpose of using a sun gear in mechanical applications is to facilitate power transmission, control gear ratios, provide torque multiplication, offer directional control, and enable compact designs. The specific application and requirements of a mechanical system determine the selection and utilization of sun gears, ensuring efficient and reliable operation in various industries such as automotive, aerospace, industrial machinery, and more.

China supplier Customized Powder Metallurgy Planet Straight Spur Gear Sun Gear for Gearbox Transmission Spare Part gear cycleChina supplier Customized Powder Metallurgy Planet Straight Spur Gear Sun Gear for Gearbox Transmission Spare Part gear cycle
editor by Dream 2024-04-19

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