China OEM Forging and Hobbing Gear Steel Metal Differential Reducer Gearbox Planetary Gear wholesaler

Product Description

Product Description

Material: 45#Steel,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless steel,Nylon,Bakelite,Copper,Aluminium.etc
Process: The main process is Gear Hobbing, Gear Shaping and Gear Grinding, Selecting production process according to the different products.
Heat Treatmente: Carburizing and quenching ,High-frequency quenching,Nitriding, Hardening and tempering, Selecting heat treatment according to the different materials.
Testing Equipment Rockwell hardness tester 500RA, 

Double mesh instrument HD-200B & 3102,

Gear measurement center instrument CNC3906T 

other High precision detection equipments

Certification 0.1-90 kg
Casting Size: Max linear size: 1200 mm, Max diameter size: 600 mm
Machining tolerace: GB/T19001-2016/ISO9001:2015
Machining surface roughness: Ra0.8 ~ 6.3 um
Material standard: GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR
Usage: Used in printing machine, cleaning machine, medical equipment, garden machine, construction machine, electric car, valve, forklift, transportation equipment and various gear reducers.etc
Quality control: 100% inspection before packing
Manufacture Standard 5-8 Grade ISO1328-1997.

Company Profile

SIMIS CASTING, established in year of 2004, is a professional foundry, including integrating development and production together, specialized in producing various kinds of investment casting parts, and CHINAMFG parts. These casting parts are widely used in automobile industry, railway vehicle, construction machine, municipal works, pipeline, petrochemical industry, mine, electric utility industry and so on.

SIMIS has 6 affiliated casting workshop and 2 professional CNC machining workshops. There are 500 staffs and 40 engineers now in our company. Its annual production capacity for all types of casting parts is about 3000 tons. Holding over 100 sets of advanced casting parts, machining and test equipments.

Gear including planetary gear, spiral gear, bevel gear, spiral bevel gear, helical gear, spur gear, helical spur gear, conical gear, CHINAMFG pinion gear, conical CHINAMFG and bevel gear, worm gear and shaft, we can make standard thickness gear 1 to 8 Module, 1M12, 2M20, 2.5M25, 3M30, 4M40, 5M50, 6M60, 8M80. Non-standard thickness 2 to 8 Module: 2M16, 2.5M20, 3M20, 4M30, 4M35, 5M40, 5M30, 6M40, 6M50, 8M60. We can also make customized gear according to your drawing or sample.

Sprocket including simplex sprocket, duplex sprocket, triplex sprocket, and has 45 steel finished hole sprocket, 06B 06C 08A 08B 08C 10A 12A 16A 24A  sprocket and so on.We can also make customized gear according to your drawing or sample too.

Welcome you come to visit us for customized various types of non-standard gear, sprocket synchronous wheel, helical gear, bevel gear, shaft, worm gear and other products with the lowest quality! 

Application Field

Testing Ability

 

Dimensional Non-Destructive Tests(N.D.T.) Chemical & Mechanical
Surface Roughness Test Dye Penetrant Chemical analysis
Microscopic Measurement Radiography (RT) Metallography
3D ScHangZhou Magnetic Particle (MT) Tensile Strength
CMM Ultra-Sonic (UT) Yield Strength
Impact Test Hardness Test Elongation Rate
    Shrinkage Rate

Surface Treatment

FAQ

Q1:Are you manufactory or trade company?

A1:We are an enterprise integrating manufacturer and trade for many years already in ZheJiang province, China. And we are AAA grade credit enterprise, and also we have cooperative plants to provide other services such as plating and coating .

 

Q2: How could I get a free quotation?

A2:Please send us your drawings by Alibaba or email. The file format is PDF / DWG / STP / STEP / IGS and etc. IF there are no drawings, we can make the drawings according to your samples!

 

Q3:How to control quality?

A3:First, all raw materials are inspected by the quality control department before they are put into storage. Second, during the casting process, 3 times of spectral analysis were performed at the front, middle and back respectively. Third, after the parts are cleaned, perform a first visual inspection to check whether the product has casting defects before sending it to the next process. Fourth, conduct a comprehensive QC inspection of each part before shipment, including chemical composition, mechanical properties and other specific tests. Transactions can be through Alibaba’s trade assurance.
 

Q4:Can we have our Logo or company name to be printed on your products or package?
A4:Sure. Your Logo could be printed on your products by Hot Stamping, Printing, Embossing, UV Coating, Silk-screen Printing or Sticker.

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

differential gear

How does a differential gear distribute power between the wheels?

A differential gear is responsible for distributing power between the wheels of a vehicle, allowing them to rotate at different speeds while maintaining torque transfer. Here’s a detailed explanation of how a differential gear accomplishes this:

1. Power Input:

The differential gear receives power from the transmission or driveshaft connected to the engine. This power is transmitted to the differential assembly, which is typically located in the axle housing.

2. Ring and Pinion Gears:

Within the differential assembly, the power from the driveshaft is transferred to the ring and pinion gears. The ring gear is a large gear that surrounds the differential assembly, while the pinion gear is a smaller gear connected to the driveshaft. The interaction between these gears allows the power to be redirected.

3. Side Gears and Spider Gears:

The ring gear is connected to side gears, also known as bevel gears, through a set of small gears called spider gears. The side gears are attached to the axle shafts, which are responsible for transmitting power to the wheels. The spider gears allow the side gears to rotate independently of each other while maintaining torque transfer.

4. Differential Action:

As the vehicle moves, the differential gears enable the wheels to rotate at different speeds during turns. When the vehicle is moving in a straight line, the spider gears rotate smoothly, allowing equal power distribution to both wheels. However, during a turn, the inside wheel travels a shorter distance than the outside wheel, causing them to rotate at different speeds.

5. Speed and Torque Distribution:

The differential gear adjusts the speed and torque distribution between the wheels based on their rotational differences. When the vehicle is turning, the spider gears allow one wheel to rotate faster than the other, ensuring that torque is transferred to the wheel with better traction. This allows the wheels to rotate at different speeds, preventing tire scrubbing and providing smooth cornering.

6. Limited-Slip and Locking Differentials:

In certain differential systems, such as limited-slip differentials or locking differentials, additional mechanisms are incorporated to enhance traction and power distribution. Limited-slip differentials use clutch packs or friction plates to provide a predetermined amount of resistance, allowing some speed differentiation between the wheels while still transferring power. Locking differentials, on the other hand, lock the side gears together, ensuring equal torque distribution to both wheels, regardless of traction conditions.

7. Differential Types:

There are various types of differentials, including open differentials, limited-slip differentials, electronic differentials, torque vectoring differentials, and more. Each type has its own mechanisms and technologies to distribute power between the wheels effectively, depending on the vehicle’s requirements and driving conditions.

In summary, a differential gear distributes power between the wheels by utilizing a system of gears, including ring and pinion gears, side gears, and spider gears. The differential action allows the wheels to rotate at different speeds during turns, ensuring smooth cornering and preventing tire scrubbing. Additional mechanisms, such as limited-slip or locking differentials, can further enhance traction and power distribution in various driving conditions.

differential gear

What is the role of a center differential in all-wheel-drive systems?

In an all-wheel-drive (AWD) system, the center differential plays a crucial role in distributing power between the front and rear wheels. It is responsible for managing torque transfer and ensuring optimal traction and stability in various driving conditions. Here’s a detailed explanation of the role of a center differential in all-wheel-drive systems:

  • Torque Distribution: The center differential’s primary function is to distribute torque between the front and rear axles in an AWD system. It receives power from the engine and transmits it to both the front and rear wheels. The distribution of torque can vary depending on the design and capabilities of the center differential.
  • Power Split: The center differential splits the engine’s power between the front and rear axles in a manner that optimizes traction and stability. Under normal driving conditions, it typically distributes torque evenly, providing balanced power to all wheels. This balanced power distribution helps enhance vehicle control and stability.
  • Variable Torque Split: In some AWD systems, the center differential can vary the torque split based on driving conditions. It can adjust the distribution of power between the front and rear axles to optimize traction and handling. For example, if the system detects slippage in the front wheels, it can transfer more torque to the rear wheels to improve traction and maintain vehicle stability.
  • Traction Enhancement: The center differential helps improve traction by allowing the front and rear wheels to rotate at different speeds. This capability is particularly beneficial in situations where the left and right wheels on the same axle encounter varying levels of grip, such as when driving on slippery or uneven surfaces. By allowing the wheels to rotate at different speeds, the center differential enables the wheels with better traction to receive more power, enhancing overall grip and traction.
  • Adaptability to Different Conditions: A well-designed center differential enables an AWD system to adapt to different driving conditions. Whether it’s driving on dry pavement, wet roads, icy surfaces, or off-road terrain, the center differential helps optimize power distribution to maintain traction and stability. It allows the AWD system to provide enhanced grip and control, regardless of the prevailing driving conditions.
  • Integration with Other Systems: The center differential often works in conjunction with other vehicle systems to further enhance performance and safety. For example, some AWD systems incorporate electronic controls that can interact with the vehicle’s stability control system, traction control system, or other safety features. This integration helps optimize power delivery, traction management, and overall vehicle dynamics.

In summary, the center differential plays a critical role in all-wheel-drive systems. It distributes torque between the front and rear axles, enhances traction and stability, adapts to different driving conditions, and integrates with other vehicle systems. By effectively managing torque transfer, the center differential helps maximize grip, improve handling, and enhance overall performance in AWD vehicles.

differential gear

Can you explain the concept of torque distribution in a differential gear?

Torque distribution is a fundamental concept in a differential gear that refers to the way rotational force is distributed among the wheels of a vehicle. Here’s a detailed explanation:

In a vehicle equipped with a differential gear, torque is transmitted from the engine to the differential, and then further distributed to the wheels. The differential gear ensures that torque is divided between the wheels, allowing them to receive power and propel the vehicle forward.

1. Power Input:

The torque distribution process begins with the power input from the engine. The engine generates rotational force, or torque, which is transmitted through the drivetrain to the differential gear.

2. Differential Assembly:

Within the differential gear, torque is distributed among several components, including the ring gear, pinion gear, side gears, and spider gears. The specific arrangement may differ depending on the type of differential used.

3. Side Gears and Spider Gears:

The side gears are connected to the axle shafts, which extend to the wheels. The spider gears, also known as planetary gears, are positioned between the side gears. When torque is applied to the differential assembly, it is transferred to the side gears through the spider gears.

4. Equal Torque Distribution:

In a straight-line driving scenario, where both wheels have equal traction and are rotating at the same speed, the spider gears rotate freely on their respective shafts. This allows the side gears to rotate at the same speed as the differential case, resulting in equal torque distribution to both wheels. As a result, both wheels receive an equal share of power from the differential.

5. Unequal Torque Distribution:

During turns or when one wheel encounters different traction conditions, the wheels need to rotate at different speeds. In this situation, the spider gears are forced to rotate along with the side gears due to the difference in rotational speeds between the two wheels.

As the spider gears rotate, they allow the side gears to rotate at different speeds, compensating for the variation in wheel speeds. This results in unequal torque distribution, with the outer wheel (on the outside of the turn) receiving more torque and the inner wheel (on the inside of the turn) receiving less torque. The differential gear enables this torque differentiation, ensuring that the wheels can rotate independently while still receiving power from the differential.

6. Optimizing Traction:

The torque distribution in a differential gear plays a crucial role in optimizing traction. Unequal torque distribution allows the wheel with better traction to receive more power, maximizing the vehicle’s ability to maintain forward motion. This is particularly beneficial in situations where one wheel is on a slippery surface or encounters reduced traction conditions.

7. Differential Types:

It’s important to note that different types of differentials can provide varying torque distribution characteristics. For example, open differentials primarily distribute torque equally, while limited-slip differentials and locking differentials offer varying degrees of torque biasing to improve traction in specific conditions.

In summary, torque distribution in a differential gear refers to the division of rotational force among the wheels of a vehicle. The differential gear enables equal torque distribution during straight-line driving and unequal torque distribution during turns or varied traction conditions. By optimizing torque distribution, the differential gear ensures efficient power delivery, traction optimization, and overall performance of the vehicle.

China OEM Forging and Hobbing Gear Steel Metal Differential Reducer Gearbox Planetary Gear wholesaler China OEM Forging and Hobbing Gear Steel Metal Differential Reducer Gearbox Planetary Gear wholesaler
editor by CX 2024-04-15