China Professional Epicyclic Spur Pinion Planetary Transmission Sun Gear gear patrol

Product Description

Product Description

Product Parameters

Item Spur Gear Axle Shaft
Material 4140,4340,40Cr,42Crmo,42Crmo4,20Cr,20CrMnti, 20Crmo,35Crmo
OEM NO Customize
Certification ISO/TS16949
Test Requirement Magnetic Powder Test, Hardness Test, Dimension Test
Color Paint , Natural Finish ,Machining All Around
Material Aluminum: 5000series(5052…)/6000series(6061…)/7000series(7075…)
Steel: Carbon Steel,Middle Steel,Steel Alloy,etc.
Stainess Steel: 303/304/316,etc.
Copper/Brass/Bronze/Red Copper,etc.
Plastic:ABS,PP,PC,Nylon,Delrin(POM),Bakelite,etc.
Size According to Customer’s drawing or samples
Process CNC machining,Turning,Milling,Stamping,Grinding,Welding,Wire Injection,Cutting,etc.
Tolerance ≥+/-0.03mm
Surface Treatment (Sandblast)&(Hard)&(Color)Anodizing,(Chrome,Nickel,Zinc…)Plating,Painting,Powder Coating,Polishing,Blackened,Hardened,Lasering,Engraving,etc.
File Formats ProE,SolidWorks,UG,CAD,PDF(IGS,X-T,STP,STL)
Sample Available
Packing Spline protect cover ,Wood box ,Waterproof membrane; Or per customers’ requirements.

 

Our Advantages

Why Choose US ???

1. Equipment :

Our company boasts all necessary production equipment,
including Hydraulic press machines, Japanese CNC lathe (TAKISAWA), Korean gear hobbing machine (I SNT), gear shaping machine, machining center, CNC grinder, heat treatment line etc.

2. Processing precision:

We are a professional gear & gear shafts manufacturer. Our gears are around 6-7 grade in mass production.

3. Company:

We have 90 employees, including 10 technical staffs. Covering an area of 20000 square meters.

4. Certification :

Oue company has passed ISO 14001 and TS16949

5.Sample service :

We provide free sample for confirmation and customer bears the freight charges

6.OEM service :

Having our own factory and professional technicians,we welcome OEM orders as well.We can design and produce the specific product you need according to your detail information

 

Cooperation Partner

Company Profile

Our Featured Products

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Type: Circular Gear
Yield: 5, 000PCS / Month
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

epicyclic gear

How does an epicyclic gear mechanism work in automatic transmissions?

An epicyclic gear mechanism, also known as a planetary gear system, plays a crucial role in the operation of automatic transmissions. Here’s a detailed explanation:

An automatic transmission utilizes a combination of different clutches, bands, and an epicyclic gear system to achieve gear ratios and control the transfer of power from the engine to the wheels. The epicyclic gear mechanism consists of the following components:

1. Sun Gear:

The sun gear is a central gear placed at the center of the mechanism. It receives power from the engine and is connected to the input shaft of the transmission.

2. Planet Gears:

Several planet gears are arranged around the sun gear and mesh with both the sun gear and the ring gear. The planet gears are mounted on a carrier, which allows them to rotate around the sun gear.

3. Ring Gear:

The ring gear is the outermost gear in the mechanism and has internal teeth that engage with the planet gears. The ring gear is connected to the output shaft, which transfers power to the wheels.

Here’s how the epicyclic gear mechanism works in an automatic transmission:

1. Neutral Position:

In the neutral position, no gears are engaged, and power flows freely through the transmission without any gear reduction or multiplication. The sun gear and the ring gear remain stationary.

2. Gear Engagement:

When a specific gear is selected, hydraulic clutches and bands are used to engage and disengage various elements of the epicyclic gear mechanism. The clutches and bands selectively hold and release specific gears to achieve the desired gear ratio.

3. Gear Ratios:

The gear ratio is determined by the arrangement and engagement of the gears in the epicyclic gear system. The sun gear, planet gears, and ring gear interact to produce different gear ratios. By selectively holding or releasing specific gears using clutches and bands, different gear ratios can be achieved, allowing the transmission to adapt to different driving conditions.

4. Power Flow:

The power flows through the different elements of the epicyclic gear mechanism based on the gear ratio selected. The input power from the engine is transmitted to the sun gear. Depending on the gear ratio, power is then transferred to the planet gears and the ring gear. The output shaft, connected to the ring gear, receives the power and transfers it to the wheels, propelling the vehicle.

5. Shifting Gears:

When shifting gears, the hydraulic control system of the transmission adjusts the engagement of the clutches and bands, causing the epicyclic gear mechanism to shift to a different gear ratio. This allows for seamless and automatic gear changes without the need for manual shifting.

Overall, the epicyclic gear mechanism in automatic transmissions enables the transmission to provide different gear ratios, control power flow, and facilitate smooth gear shifting. This mechanism plays a crucial role in the efficient and automatic operation of automatic transmissions in vehicles.

epicyclic gear

What is the purpose of using epicyclic gears in robotics and automation?

Epicyclic gears, also known as planetary gears, serve several purposes in robotics and automation. Here’s a detailed explanation:

1. Compact Size:

Epicyclic gears offer a compact and space-efficient solution for transmitting torque and achieving different speed ratios. The arrangement of multiple gears within a single gear system allows for a high gear reduction or speed increase in a relatively small package. This compact size is particularly advantageous in robotics and automation applications where space is limited.

2. High Torque Transmission:

Epicyclic gears are capable of transmitting high torque levels due to their design. The load is distributed among multiple planet gears, allowing for a higher torque capacity compared to other gear types. This high torque transmission capability makes epicyclic gears suitable for applications that require precise and powerful motion control, such as robot joints and industrial automation systems.

3. Speed Control:

The arrangement of gears in an epicyclic gear system allows for precise control over speed ratios. By manipulating the input and output gears, different gear ratios can be achieved, enabling speed control and gear reduction or amplification. This speed control capability is essential in robotics and automation to achieve desired motion profiles and optimize system performance.

4. Backlash Minimization:

Epicyclic gears can be designed to minimize backlash, which is the angular clearance between gear teeth when there is no load applied. Backlash can introduce inaccuracies and delays in robotic and automation systems. By carefully designing gear tooth profiles and controlling gear meshing, epicyclic gears can reduce backlash, improving precision and responsiveness in motion control applications.

5. Efficiency and Durability:

Epicyclic gears can achieve high efficiency levels due to their rolling contact between gear teeth. This rolling contact results in less friction and energy loss compared to sliding contact gears. Additionally, the load distribution among multiple gear teeth reduces the stress on individual teeth, enhancing durability and prolonging the gear system’s lifespan.

6. Modular Design:

Epicyclic gears offer a modular design that allows for easy integration into robotic and automation systems. They can be combined with other mechanical components, such as motors and actuators, to create compact and efficient power transmission systems. The modular nature of epicyclic gears simplifies system design, assembly, and maintenance.

7. Reduction of Motor Torque Ripple:

In certain robotic applications, particularly those requiring smooth and precise motion, epicyclic gears can be utilized to reduce motor torque ripple. By incorporating epicyclic gears with appropriate gear ratios, the torque ripple generated by the motor can be smoothed out, resulting in smoother and more uniform motion.

In summary, the purpose of using epicyclic gears in robotics and automation is to provide a compact size, high torque transmission, speed control, backlash minimization, efficiency and durability, modular design, and reduction of motor torque ripple. These advantages make epicyclic gears a valuable choice for achieving precise motion control, optimizing system performance, and enhancing the overall efficiency and reliability of robotic and automation systems.

epicyclic gear

How does an epicyclic gear differ from other types of gears?

An epicyclic gear, also known as a planetary gear, exhibits several distinguishing features that set it apart from other types of gears. Here’s a detailed explanation of the differences:

1. Gear Arrangement:

An epicyclic gear system consists of a central sun gear, multiple planet gears, and an outer ring gear, also known as the annular gear. This arrangement differs from other gear types like spur gears, helical gears, or bevel gears, which typically involve meshing between two parallel or intersecting shafts.

2. Gear Motion:

The motion of an epicyclic gear system is characterized by the planet gears rotating while simultaneously orbiting around the sun gear. This combination of rotational and orbital motion is unique to epicyclic gears and allows them to achieve different gear ratios and functions.

3. Gear Ratios:

Epicyclic gears offer a wide range of gear ratios by varying the engagement of the sun gear, planet gears, and annular gear. This versatility in gear ratios is not typically found in other gear types, which often have fixed ratios determined by the number of teeth on the gears.

4. Compactness:

Epicyclic gears are known for their compact design. The arrangement of the gears allows for a relatively large gear reduction or multiplication within a compact space. This compactness makes them suitable for applications where space is limited, such as in automotive transmissions.

5. Functions and Applications:

Epicyclic gears offer various functions beyond basic speed reduction or increase. They can achieve torque multiplication, directional changes, and braking capabilities, providing versatility in mechanical systems. These unique functions make epicyclic gears well-suited for applications ranging from automatic transmissions and power tools to robotics and aerospace systems.

6. Complexity:

Compared to simpler gear types like spur gears, epicyclic gears can be more complex and require precise design and manufacturing. The interaction between the sun gear, planet gears, and annular gear involves multiple points of contact, requiring careful consideration of gear profiles, clearances, and alignment.

In summary, an epicyclic gear stands out from other types of gears due to its specific gear arrangement, motion characteristics, versatile gear ratios, compactness, unique functions, and complexity. Its ability to provide multiple gear ratios and perform various functions makes it a valuable choice in many mechanical systems.

China Professional Epicyclic Spur Pinion Planetary Transmission Sun Gear gear patrolChina Professional Epicyclic Spur Pinion Planetary Transmission Sun Gear gear patrol
editor by CX 2023-11-02