China wholesaler Reduction Pinion Custom Precision Wheel Transmission Planetary Drive Cog-Wheel Spur Gear raw gear

Product Description

Product Description

Reduction Pinion Custom Precision Wheel Transmission Planetary Drive cog-wheel Spur Gear

Item Customized machined machining gears
Process CNC machining,CNC milling, cnc lathe machining
material  steel, stainless steel, carbon steel,brass,C360 brass copper, aluminum 7075,7068 brass,C360 brass copper, aluminum Nylon, PA66, NYLON , ABS, PP,PC,PE,POM,PVC,PU,TPR,TPE,TPU,PA,PET,HDPE,PMMA etc
Quality Control ISO9001 and ISO14001
Dimension bore tolerances -/+0.01mm
Quality standard AGMA, JIS, DIN 
Surface treatment Blackening, plated, anodizing, hard anodizing etc
Gear hardness 30 to 60 H.R.C
Size/Color Gears and parts dimensions are according to drawings from customer, and colors are customized
Surface treatment Polished or matte surface, painting, texture, vacuum aluminizing and can be stamped with logo etc.
Dimensions Tolerance ±0.01mm or more precise
Samples confirmation and approval samples shipped for confirmation and shipping cost paid by customers
Package Inner clear plastic bag/outside carton/wooden pallets/ or any other special package as per customer’s requirements.
Delivery Time Total takes 2~~8weeks usually
Shipping
 

 Usual FEDEX, UPS, DHL, TNT, EMS or base on customer’s requirement.

                       

 

Production management:

1. The workers are trained to inspect the gears and notice any defect in production in time.
2. QC will check 1pcs every 100pcs in CNC machining, and gears will meet all dimension tolerances.
3. Gears will be inspected at every step, and gears will be inspected before shipment, and all inspection records will be kept in our factory for 3 years.
4. Our sales will send you pictures at every gears production steps, and you will know the detailed production status, and you can notice any possibility of mistake, for our sales, QC and workers are keeping close watch on all production.
5. You will feel us working very carefully to assure the quality and easy to work with, 
6. we cherish every inquiry, every opportunity to make gears and parts and cherish every customer.

 QUALITY CONTROL PROCESS:
 
1)       Inspecting the raw material –IQC)
2)       Checking the details before the production line operated
3)       Have full inspection and routing inspection during mass production—In process quality control (IPQC)
4)       Checking the gears after production finished—- (FQC)
5)       Checking the gears after they are finished—–Outgoing quality control (OQC)

Service:

1. Molds designs as per customers’ gears drawing;
2. Submitting molds drawings to customers to review and confirm before mols production.
3. Providing samples with whole dimensions and cosmetic inspection report, material certification to customers.
4. Providing inspection report of important dimensions and cosmetic in batches parts.

Packing and shipment:

1. Gears are well and carefully packed in PP bags in CTNS, strong enough for express shipping, air shipment or sea shipment.
2. Air shipment, sea shipment or shipment by DHL, UPS, FedEx or TNT are availabe.
3. Trade terms: EXW, FOB HangZhou, or CIF
4. All shippings will be carefully arranged and will reach your places fast and safely.

FAQ

Q1: How to guarantee the Quality of gears and parts?
We are ISO 9001:2008 certified factory and we have the integrated system for industrial parts quality control. We have IQC (incoming quality control), 
IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.

 Q2: What are the Advantage of your gears and parts?
Our advantage is the competitive and reasonable prices, fast delivery and high quality. Our eployees are responsible-oriented, friendly-oriented,and dilient-oriented. 
Our industrial parts products are featured by strict tolerance, smooth finish and long-life performance. 

Q3: what are our machining equipments?
Our machining equipments include plasticn injection machinies, CNC milling machines, CNC turning machines, stamping machines, hobbing machines, automatic lathe machines, tapping machines, grinding machines, cutting machines and so on. 

Q4: What shipping ways do you use?
Generally, we will use UPS DHL or FEDEX and sea shipping 

5: What materials can you process?
For plastic injection gears and parts, the materials are Nylon, PA66, NYLON with 30% glass fibre, ABS, PP,PC,PE,POM,PVC,PU,TPR,TPE,TPU,PA,PET,HDPE,PMMA etc.
For metal and machining gears and parts, the materials are brass, bronze, copper, stainless steel, steel, aluminum, titanium plastic etc. 

Q6: How long is the Delivery for Your gears and parts? 
Generally , it will take us 15 working days for injection or machining, and we will try to shorten our lead time.

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Application: Motor, Electric Cars, Machinery, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cut Gear
Toothed Portion Shape: Curved Gear
Material: Stainless Steel
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

epicylic gear

Can planetary gears be used in automotive applications?

Planetary gears are widely used in various automotive applications due to their numerous advantages. Let’s explore how planetary gears can be utilized in the automotive industry:

  • Automatic Transmissions:

One of the primary applications of planetary gears in automobiles is in automatic transmissions. Automatic transmissions use a combination of planetary gear sets to achieve different gear ratios, allowing for smooth and efficient shifting between gears. The compact size and high torque capacity of planetary gears make them well-suited for this purpose, providing reliable and efficient power transmission in vehicles.

  • Four-Wheel Drive Systems:

Planetary gears are also employed in four-wheel drive systems, where they help distribute power between the front and rear wheels. By utilizing planetary gear arrangements, the torque can be split between the front and rear axles, providing improved traction and stability on various road conditions. This allows vehicles to have enhanced off-road capabilities and better performance in challenging driving situations.

  • Hybrid and Electric Vehicles:

Planetary gears play a crucial role in hybrid and electric vehicle powertrains. In these vehicles, planetary gear sets are often used to combine the power from the internal combustion engine and the electric motor. The gear arrangement allows for seamless transitions between different power sources, enabling efficient energy management and optimized performance.

  • Start-Stop Systems:

Start-stop systems, which automatically shut off the engine when the vehicle is stationary and restart it when needed, often incorporate planetary gears. These gears help engage and disengage the engine from the drivetrain smoothly, ensuring a quick and seamless transition between the engine’s off and on states. Planetary gears contribute to the overall efficiency and reliability of start-stop systems.

  • Power Steering:

Some power steering systems in automobiles utilize planetary gears to provide assistance in steering. These gears help amplify the driver’s input torque, making steering easier and more responsive. The compact size and high torque capacity of planetary gears make them suitable for power steering applications.

In summary, planetary gears find extensive use in automotive applications, including automatic transmissions, four-wheel drive systems, hybrid and electric vehicle powertrains, start-stop systems, and power steering. Their compact size, high torque capacity, and ability to achieve multiple gear ratios make them well-suited for these applications, providing efficient power transmission, improved performance, and enhanced driving experience in vehicles.

epicylic gear

How do planetary gears contribute to speed reduction and torque amplification?

Planetary gears offer the capability of both speed reduction and torque amplification, making them versatile components in various mechanical systems. Let’s explore how planetary gears achieve these functions:

  • Speed Reduction:

Planetary gears can reduce rotational speed by utilizing their gear arrangement. The key elements involved in speed reduction are the sun gear, planet gears, and ring gear. Consider the following scenarios:

  • Epicyclic Gear Set:

In a basic planetary gear arrangement, when the sun gear is used as the input and the ring gear is fixed, the planet gears rotate on their own axes while also revolving around the sun gear. This configuration causes the output speed to be lower than the input speed. The reduction in speed is determined by the gear ratios between the sun gear, planet gears, and ring gear.

  • Multiple Stages:

Planetary gears can be combined into multiple stages, with each stage having its own set of sun gears, planet gears, and ring gears. By connecting the output of one stage to the input of another, the rotational speed can be further reduced. This allows for greater flexibility in achieving the desired speed reduction in complex mechanical systems.

  • Torque Amplification:

Planetary gears are also capable of amplifying torque, enabling them to handle higher loads and provide increased output torque. The torque amplification occurs in the following scenarios:

  • Epicyclic Gear Set:

When the sun gear is used as the input and the ring gear is the output, the planet gears rotate on their own axes while also revolving around the sun gear. This arrangement allows for torque amplification, meaning the output torque can be higher than the input torque. The specific torque amplification factor depends on the gear ratios and the number of planet gears in the system.

  • Combination of Gear Stages:

By combining multiple stages of planetary gears, torque amplification can be further increased. Each stage contributes to the overall torque amplification, allowing the system to handle even higher loads and transmit greater torque.

In summary, planetary gears contribute to speed reduction by utilizing the gear ratios between the sun gear, planet gears, and ring gear. They achieve torque amplification by utilizing the arrangement of the gears in an epicyclic gear set, as well as through the combination of multiple gear stages. These capabilities make planetary gears valuable in various applications where speed reduction and torque amplification are required, such as automotive transmissions, industrial machinery, and power transmission systems.

epicylic gear

Can you explain the unique design and structure of planetary gears?

Planetary gears possess a unique design and structure that sets them apart from other gear systems. Let’s explore the distinctive features of the design and structure of planetary gears:

  • Components:

A planetary gear system consists of three main components: the sun gear, planet gears, and a ring gear. The sun gear is located at the center and is typically driven by an input source such as a motor or engine. The planet gears are gears that surround the sun gear and are connected to a carrier or arm. The ring gear is the outermost gear and meshes with the planet gears.

  • Internal Gear Meshing:

One of the distinguishing features of planetary gears is their internal gear meshing. Unlike other gear systems where the gears mesh externally, the teeth of the sun gear, planet gears, and ring gear are located on the inside surfaces. This arrangement allows for a compact and space-efficient design.

  • Orbiting Motion:

In planetary gears, the planet gears exhibit both rotational and orbital motion. While they rotate on their own axes, they also orbit around the sun gear. This combination of rotational and orbital movement enables the gear system to achieve different gear ratios and torque transmission.

  • Central Sun Gear:

The presence of a central sun gear is another characteristic of planetary gears. The sun gear is positioned at the center of the gear arrangement and serves as the primary driver for the overall gear operation. It receives the input power and transmits it to the planet gears.

  • Versatile Gear Ratios:

Planetary gears are capable of achieving a wide range of gear ratios. The gear ratio is determined by the relative sizes of the gears and the number of teeth on each gear. By varying the number of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained, providing versatility in speed reduction or amplification.

  • Load Distribution:

The arrangement of multiple planet gears in a planetary gear system helps distribute the load among the gears. This load distribution results in efficient torque transmission and enhanced durability. It also contributes to shock absorption and noise reduction during gear operation.

  • Compact Size:

Planetary gears are known for their compact size. The internal gear meshing and the integration of multiple gear sets within a single system contribute to their space-saving design. The compactness of planetary gears is advantageous in applications where size and weight restrictions are critical.

  • Wide Range of Applications:

Due to their unique design and structural characteristics, planetary gears find applications in various industries and mechanical systems. They are commonly used in automotive transmissions, robotics, aerospace systems, industrial machinery, and more. The ability to achieve different gear ratios, transmit torque efficiently, and operate in compact spaces makes planetary gears versatile in transmitting power.

In summary, the unique design and structure of planetary gears include components such as the sun gear, planet gears, and ring gear, internal gear meshing, orbiting motion of the planet gears, a central sun gear, versatile gear ratios, load distribution, compact size, and wide-ranging applications. These features contribute to the efficiency, versatility, and space-saving nature of planetary gears, making them suitable for various mechanical systems.

China wholesaler Reduction Pinion Custom Precision Wheel Transmission Planetary Drive Cog-Wheel Spur Gear raw gearChina wholesaler Reduction Pinion Custom Precision Wheel Transmission Planetary Drive Cog-Wheel Spur Gear raw gear
editor by CX 2024-03-26