China best CNC Machining Turning Part Starter Shaft Spline Pinion Custom Precision Transmission Planetary Sun Drive Spur Gear raw gear

Product Description

 

 

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Our Advantages

 

Equipment
3-axis, 4-axis and full 5-axis processing equipment, CNC lathe, centering machine, turning and milling compound, wire cutting, EDM, grinding, etc

Processing
CNC machining, CNC Turning, CNC Milling, Welding, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding

Materials
Aluminum, metal, steel, metal, plastic, metal, brass, bronze, rubber, ceramic, cast iron, glass, copper, titanium, metal, titanium, steel, carbon fiber, etc

Tolerance
+/-0.01mm, 100% QC quality inspection before delivery, can provide quality inspection form

Quality Assurance
ISO9001:2015, ISO13485:2016, SGS, RoHs, TUV
Tolerance

Surface Treatment

Aluminum parts Stainless Steel parts Steel parts Brass parts
Clear Anodized Polishing Zinc Plating Nickel Plating
Color Anodized Passivating Oxide black chrome plating
Sandblast Anodized Sandblasting Nickel Plating Electrophoresis black
Chemical Film Laser engraving Chrome Plating Oxide black
Brushing Electrophoresis black Carburized Powder coated
Polishing Oxide black Heat treatment  

 

Machining Workshop

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Application industry

CNC Machining Parts Can Be Used in Many Industry

Aerospace/ Marine/ Metro/ Motorbike/ Automotive industries, Instruments & Meters, Office equipments, Home appliance, Medical equipments, Telecommunication, Electrical & Electronics, Fire detection system, etc

 

Areospace

Cylinder Heads, Turbochargers, Crankshafts, Connecting Rods Pistons, Bearing Caps, CV Joints, Steering Knuckles, Brake Calipers,Gears,Differential Housing, Axle Shafts

 

Auto&Motorcycle

Cylinder Heads, Turbochargers, Crankshafts, Connecting Rods Pistons,Bearing Caps, CV Joints, Steering Knuckles, Brake Calipers,Gears, Differential Housing, Axle Shafts

 

Energy

Drill Pipes and Casing, Impellers Casings, Pipe Control Valves, Shafts, Wellhead Equipment, Mud Pumps, Frac Pumps, Frac Tools,Rotor Shafts and disc

 

Robotics

Custom robotic end-effectors, Low-volume prototype, Pilot, Enclosures, Custom tooling, Fixturing

 

Medical Industry

Rotary Bearing Seal Rings for CHINAMFG Knife,CT Scanner Frames,Mounting Brackets,Card Retainers for CT Scanners,Cooling Plenums for CT Scanners,Brackets for CT Scanners,Gearbox Components,Actuators,Large Shafts

 

Home Appliances

Screws, hinges, handles, slides, turntables, pneumatic rods, guide rails, steel drawers

 

Certifications

FAQ

Q1. What kind of production service do you provide?
CNC machining, CNC Turning, CNC Milling, Welding, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding, Simple Assembly and Various Metal Surface Treatment.

Q2. How about the lead time?
Mould : 3-5 weeks
Mass production : 3-4 weeks

Q3. How about your quality?
♦Our management and production executed strictly according to ISO9001 : 2008 quality System.
♦We will make the operation instruction once the sample is approval. 
♦ We will 100% inspect the products before shipment.
♦If there is quality problem, we will supply the replacement by our shipping cost.

Q4. How long should we take for a quotation?
After receiving detail information we will quote within 24 hours

Q5. What is your quotation element?
Drawing or Sample, Material, finish and Quantity.

Q6. What is your payment term?
Mould : 50% prepaid, 50% after the mould finish, balance after sample approval.
Goods : 50% prepaid, balance T/T before shipment.

Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Aerospace/ Marine/Automotive/Medical Equipments
Standard: GB, EN, China GB Code
Surface Treatment: Anodizing,Polishing,Brushing, Plating, Oxide Black
Production Type: Mass Production
Machining Method: CNC Machining, Turning, Milling, Forging
Material: Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Customized
Samples:
US$ 0.8/Piece
1 Piece(Min.Order)

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Customization:
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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

What is the role of a sun gear in the operation of a differential gear system?

The sun gear plays a vital role in the operation of a differential gear system, which is commonly used in vehicles to distribute power between the wheels while allowing them to rotate at different speeds. The sun gear, along with other gears in the differential, contributes to the smooth and efficient operation of the system. Here’s an explanation of the role of a sun gear in the operation of a differential gear system:

  • Power Input:

The sun gear serves as the input for the differential gear system. It receives torque from the driveshaft or propeller shaft, which transfers power from the engine or transmission to the differential. The rotation of the sun gear initiates the power flow within the differential assembly.

  • Speed Differentiation:

The primary function of the differential gear system is to allow the wheels to rotate at different speeds while distributing power between them. The sun gear, along with the other gears in the differential, enables this speed differentiation.

As the sun gear rotates, it meshes with the planet gears, which are arranged around it. The planet gears, in turn, engage with the ring gear, which is connected to the axle shafts leading to the wheels. The interaction between the sun gear, planet gears, and ring gear allows the differential to accommodate different rotational speeds of the wheels.

  • Distribution of Torque:

Another critical role of the sun gear is to distribute torque between the wheels in a differential system. The torque input from the sun gear is transmitted to the planet gears, which then transfer the torque to the ring gear and, subsequently, to the axle shafts and wheels.

As the differential operates, it adjusts the distribution of torque based on the traction and resistance encountered by each wheel. If one wheel experiences less resistance or has more traction than the other, the differential will allocate more torque to that wheel. This torque distribution helps optimize power delivery, improve traction, and enhance vehicle stability during cornering or uneven road conditions.

  • Equal Torque Split (Open Differential):

In an open differential system, which is the most common type, the sun gear plays a role in equal torque split between the wheels under normal driving conditions. When both wheels have equal traction and resistance, the sun gear distributes torque equally to the planet gears, resulting in an equal torque split between the wheels.

However, in situations where one wheel loses traction or encounters less resistance, such as during wheel slip or when one wheel is on a slippery surface, the open differential will prioritize torque delivery to the wheel with less traction, potentially reducing overall traction and performance.

  • Limited-Slip Differential:

In some differential systems, such as limited-slip differentials (LSDs), the sun gear’s role is modified to provide improved traction and torque distribution. LSDs use various mechanisms, such as clutch packs or viscous fluids, to limit the speed differentiation between the wheels and redirect torque to the wheel with more traction.

In LSDs, the sun gear’s engagement with the other gears is modified to allow for controlled torque transfer, enhancing traction and stability during challenging driving conditions.

In summary, the sun gear in a differential gear system serves as the power input and enables speed differentiation and torque distribution between the wheels. Its role is crucial for ensuring smooth power delivery, optimizing traction, and enhancing vehicle stability in various driving conditions.

sun gear

Can you explain the role of a sun gear in planetary gear systems?

The sun gear plays a crucial role in planetary gear systems, contributing to their unique functionality and versatility. Understanding the specific role of the sun gear within these systems helps in comprehending their overall operation. Here’s an explanation of the role of a sun gear in planetary gear systems:

  • Power Input: The sun gear serves as the primary power input element in a planetary gear system. It receives rotational motion and torque from an external source, such as an engine or motor. This power input is transmitted to other gears within the system.
  • Engagement with Planet Gears: One of the distinctive features of a planetary gear system is the interaction between the sun gear and multiple planet gears. The planet gears are smaller gears that surround the sun gear and mesh with both the sun gear and an outer ring gear. This engagement allows for the transfer of torque and motion between the gears.
  • Power Distribution: As the sun gear rotates, it transmits torque to the planet gears through their meshing teeth. The planet gears, in turn, transfer the torque to the outer ring gear. This power distribution mechanism enables the sharing of torque among multiple gears within the system, allowing for load distribution and efficient power transmission.
  • Gear Ratio Control: By changing the arrangement and sizes of the sun gear, planet gears, and ring gear, planetary gear systems can achieve different gear ratios. The number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, determine the gear ratio. This flexibility in gear ratio control enables planetary gear systems to provide various output speeds and torque levels, catering to different operational requirements.
  • Torque Amplification: A key advantage of planetary gear systems is their ability to amplify torque. By employing a combination of the sun gear, planet gears, and ring gear, torque can be multiplied or reduced depending on the gear ratio configuration. This torque amplification feature is beneficial in applications where high torque output is required, such as automotive transmissions and heavy machinery.
  • Directional Control: Another notable aspect of planetary gear systems is their directional control capability. By fixing or holding the sun gear while the ring gear or planet carrier is driven, the gear system can achieve different output directions, such as forward or reverse rotation. This directional control adds versatility to gear systems, enabling them to be used in various mechanical applications.

In summary, the sun gear in planetary gear systems serves as the power input element, engages with planet gears, distributes torque, controls gear ratios, provides torque amplification, and enables directional control. Its role is essential in achieving efficient power transmission, versatile gear ratios, and adaptable functionality in a wide range of mechanical applications.

China best CNC Machining Turning Part Starter Shaft Spline Pinion Custom Precision Transmission Planetary Sun Drive Spur Gear raw gearChina best CNC Machining Turning Part Starter Shaft Spline Pinion Custom Precision Transmission Planetary Sun Drive Spur Gear raw gear
editor by CX 2023-10-11