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China OEM CNC Cast Iron Large Diameter Stainless Steel Grooved Pully Belt Ratchet Wheel Pulley Flywheel Manufactures Gear pulley assembly

Product Description

Model NO. Custom Parts Application Fastener, Auto and Motorcycle Accessories, Hardware Tool, Machinery Accessory
Standard GB, EN, China GB Code, JIS Code, TEMA, ASME Surface Treatment Anodizing
Production Type Mass Production Machining Method CNC Machining
Material Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron Drawing Type Dwg, Dxf, Step, Iges, Pdf, STP, etc.
Tolerance +/-0.002mm, or Customized Roughness Ra0.2-Ra3.2 , or Customized
Surface Finish Anodization, Plating, Passivation, Polish, Brush Colors Blue, Red, Black, Gold, Orange, Green, Gray, White
Sample Service Available Part Name CNC Machining Parts
Service Machining, Assembly, Surface Treatment, etc. Dimensions Customized
Lead Time 1-4 Weeks Depends on Requests MOQ 1 PCS, But Over 100PCS Is a Price Break Point
Machining Capability 3,4,5 Axis CNC Milling, CNC Turning, Sheet Metal Price Negotiable as Per Request
Transport Package Foam, Carton Specification Custom dimension
Trademark Custom Origin China
HS Code 84799 0571 0 Production Capacity 50000PCS



Product Description


Parts Application Industrial Parts, Bikes, Engine parts, Robotic Parts, Decoration, BMX, EDC, yoyo, CHINAMFG parts, Electronics aluminum parts, Toys parts, Gears, Car parts, 4X4 parts, Medical Parts. Oil industry parts.
Audio equipment parts, Musical Instrument parts
Machining Tolerance The best tolerance is +/-0.002mm, can do as per your request.
Roughness Ra0.2-Ra3.2, (as per specification)
Quotation Need to know material, quantity, surface treatment, and another special request before sending you a quotation
Software Available CAD, CHINAMFG Works, UG, CAD/CAM/CAE, PDF.
Surface Finish Matte, Glossy, Tumbling, Smooth, beadblasting.
Surface Treatment Anodization, Plating, Passivation, Polishing, Brushing.
Materials Available Aluminum, Brass, Copper, Stainless Steel, Titanium, PVC, ABS, PEEK, Nylon, Delrin, Acrylic, Steel
Inspection instruments Height Gauge, CMM, Caliper, Electronics Scale, Micrometer/Microcaliper, Gage Blocks, Pin Gauge.
Service Available 1. CNC machining, CNC milling, CNC turning, Sheet Metal, Laser cutting, 
2. Assemble (Using press fit or other technology),
3. Packing for “ready to sale” products, 
4. Customized Packaging,
5. Relative accessory purchasing.

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Why Choose us

Our Equipments

Test Report Sample


Our Package


Q1. Are you a genuine manufacturer?
Yes, all the products are produced in our ISO9001:2015 certified factory; We are also a company registered by China Customs with the right to export and import.
Q2. What should I offer to get your quotation?
Please offer us your detailed information for the product, such as drawings with 2D/3D by software Pro/E, Auto CAD, SolidWorks, UG etc; as well as materials, surface treatment, quantity, package. Any special requirements should be highlighted especially for tolerance.
Q3. Can we get a complete product besides CNC parts?
To some extent, yes, we can. But firstly we need assess feasibility.
Q4. What’s your top process tolerance?
Now our top process tolerance is ± 0.005mm.
Q5. What are your sample policy and trade/payment terms?
We can offer the free samples with total value less than USD10; while the buyers should bear shipping cost and import VAT. 
Ex-works, FOB ZheJiang /HangZhou, CIF etc. would be OK for us.
As for the payment, small value is recommended by Paypal or Western Union; larger amount by T/T, 50% as deposit, 50% before shipment.
Q6. How about the warranty?
The warranty is for 1 year. As you know, our CNC parts have a long lifespan except for damaged by operating inappropriately.
Q7. What’s your policy for RMA?
All defective products should be confirmed by us based on the customers’ RMA list and photos first, then we’d like to refund the money or compensate the goods by free of charge accordingly.
Q8. I want to keep our design in confidence; can we CHINAMFG NDA?
Sure, to protect customers’ profit is our obligatory responsibility, signed NDA would be valid to both of us.
What benefit we can get from you?
1) Competitive price
2) High quality control : 100% full inspection before shipment
3) High precision, tolerance can be ± 0.005mm
4) Fast lead time (5-7days for samples, 12-15 days for mass production)
5) Non-standard//OEM//customized service provided
6) No MOQ, small QTY is acceptable.
7) Factory ISO 9001 certification, ROHS material used
9) Professional export packing: separate Blister plastic box or Bubble Wrap/Pearl Wool +Carton+ Wooden Case, keep no scratch and damage

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Standard: GB
Surface Treatment: Anodizing, Painting, Phosphating, Passivation…
Customization: Yes
US$ 1/Piece
1 Piece(Min.Order)


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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.

gear pulley

What are some real-world examples of gear pulley systems in action?

Gear pulley systems are utilized in various real-world applications to facilitate mechanical movements, power transmission, and speed control. Here are some examples of gear pulley systems in action:

1. Automobiles:

Gear pulley systems are extensively used in automobiles for various functions. They are employed in the engine’s timing belt or timing chain system to synchronize the rotation of the crankshaft and camshaft, ensuring precise valve timing. Gear pulleys are also found in the accessory drive system, where they drive components such as the alternator, power steering pump, water pump, and air conditioning compressor.

2. Industrial Machinery:

In industrial settings, gear pulley systems are found in a wide range of machinery and equipment. They are used in conveyor systems for material handling, where they drive the belts or chains to transport goods or components along the assembly line. Gear pulleys are also utilized in manufacturing machinery, such as printing presses, packaging equipment, and CNC machines, to control movement, power transmission, and speed regulation.

3. Construction Equipment:

Construction equipment, such as cranes, excavators, and concrete mixers, often employ gear pulley systems. Gear pulleys are utilized in the lifting mechanisms of cranes and hoists, enabling controlled lifting and lowering of heavy loads. In excavators, gear pulleys contribute to the movement of the arm, bucket, and tracks. They are also used in concrete mixers to rotate the drum and facilitate the mixing and pouring of concrete.

4. Mining Equipment:

Mining operations rely on gear pulley systems for various applications. Underground mining equipment, such as continuous miners, utilize gear pulleys to drive the cutting heads and conveyor belts. Gear pulleys are also found in surface mining equipment, including draglines and bucket wheel excavators, where they enable the movement and operation of the machinery.

5. Elevators and Escalators:

Gear pulley systems are an integral part of elevators and escalators, facilitating vertical transportation in buildings. They are used in the elevator’s traction system to drive the hoist ropes or belts, allowing for smooth and controlled movement of the elevator car. In escalators, gear pulleys drive the steps, ensuring synchronized and safe operation as passengers move between different levels.

6. Agricultural Machinery:

Agricultural machinery often incorporates gear pulley systems for various tasks. Tractors utilize gear pulleys in their power take-off (PTO) system, which transfers power from the engine to agricultural implements such as mowers, balers, or grain augers. Gear pulleys are also used in irrigation systems to drive pumps or control the movement of sprinklers and irrigation lines.

7. Home Appliances:

Gear pulley systems can be found in various home appliances, providing mechanical functions. Washing machines, for example, use gear pulleys in their transmission system to control the agitator or drum movement. Gear pulleys are also employed in exercise equipment, such as stationary bikes or rowing machines, to simulate resistance and enable adjustable workout intensities.

8. Wind Turbines:

Gear pulley systems are utilized in wind turbines to convert the rotational motion of the blades into electricity. They are part of the turbine’s gearbox, which increases the rotational speed to match the generator’s requirements. Gear pulleys play a crucial role in the power transmission and speed control within the wind turbine system.

In summary, gear pulley systems are widely employed in various real-world applications across different industries. They are utilized in automobiles, industrial machinery, construction equipment, mining machinery, elevators and escalators, agricultural machinery, home appliances, and renewable energy systems like wind turbines. Gear pulleys contribute to mechanical movements, power transmission, and speed control, enabling efficient and reliable operation in these diverse applications.

gear pulley

How does the gear ratio in a gear pulley affect its performance?

The gear ratio in a gear pulley has a significant impact on its performance, influencing various aspects such as speed, torque, and power transmission. Here’s a detailed explanation of how the gear ratio affects the performance of a gear pulley:

Gear Ratio Basics:

The gear ratio represents the relationship between the number of teeth on the driving gear and the number of teeth on the driven gear. It determines how many times the driving gear must rotate to make the driven gear complete one revolution. The gear ratio is typically expressed as a numerical ratio or as a fraction.


The gear ratio directly affects the speed of the driven gear relative to the driving gear. A gear pulley with a higher gear ratio, where the driving gear has more teeth than the driven gear, will result in a lower speed at the driven gear. Conversely, a gear pulley with a lower gear ratio, where the driven gear has more teeth, will result in a higher speed at the driven gear. Therefore, the gear ratio determines the speed reduction or amplification between the driving and driven gears.


The gear ratio also influences the torque at the driven gear. Torque is a rotational force that determines the system’s ability to overcome resistance or to perform work. A gear pulley with a higher gear ratio, where the driving gear has more teeth, will result in a torque amplification at the driven gear. This means that the driven gear can exert greater force or torque on the load or system it is connected to. Conversely, a gear pulley with a lower gear ratio, where the driven gear has more teeth, will result in a torque reduction at the driven gear. In this case, the driven gear will exert less force or torque, but it will be able to rotate at a higher speed.

Power Transmission:

The gear ratio affects the power transmission capabilities of the gear pulley system. Power is the rate at which work is done or energy is transferred. The gear ratio determines how the power is distributed between the driving and driven gears. In a gear pulley system, the power is equal to the product of torque and rotational speed. A higher gear ratio will result in a higher torque at the driven gear, allowing it to transmit more power to the connected system. Conversely, a lower gear ratio will result in a higher speed at the driven gear, enabling it to transmit power at a faster rate.

Mechanical Advantage:

The gear ratio provides mechanical advantage in a gear pulley system. Mechanical advantage refers to the ability of a system to amplify force or torque. A gear pulley with a higher gear ratio provides a greater mechanical advantage, allowing it to handle heavier loads or perform tasks that require more force. On the other hand, a gear pulley with a lower gear ratio provides a lower mechanical advantage but allows for higher speeds and faster operation.


The gear ratio can also impact the overall efficiency of the gear pulley system. In general, gear systems with higher gear ratios tend to have lower efficiency due to increased friction and power losses. The additional teeth in the gear train result in more contact points and increased surface area, leading to higher friction losses. Therefore, it is important to consider the trade-off between speed, torque, and efficiency when selecting the gear ratio for a specific application.

Overall, the gear ratio in a gear pulley significantly affects its performance, including speed, torque, power transmission, mechanical advantage, and efficiency. By selecting the appropriate gear ratio, engineers and designers can optimize the gear pulley system for specific applications, ensuring the desired balance between speed, torque, and efficiency based on the requirements of the machinery or system.

gear pulley

How do gear pulleys assist in the transmission of mechanical power?

Gear pulleys play a crucial role in the transmission of mechanical power in various systems. Here’s an explanation of how gear pulleys assist in the transmission of mechanical power:

Gear pulleys are part of power transmission systems that transfer rotational motion and torque from a power source to a driven component. They achieve this by utilizing the principles of gears and pulleys to control speed, torque, and direction. The primary function of gear pulleys is to transmit power efficiently and effectively between rotating shafts.

Here are the key ways in which gear pulleys assist in the transmission of mechanical power:

  1. Speed Control: Gear pulleys allow for speed control in power transmission systems. By using gears with different sizes or pulleys with varying diameters, the rotational speed of the driven component can be adjusted relative to the input speed. Larger gears or pulleys connected to the power source result in higher speed reduction, while smaller gears or pulleys result in higher speed amplification. This speed control capability enables gear pulleys to match the rotational speed requirements of different components within a system.
  2. Torque Conversion: Gear pulleys assist in torque conversion during power transmission. Torque is the rotational force generated by the power source. By using gears or pulleys with different numbers of teeth or diameters, gear pulleys can change the torque applied to the driven component. In a gear system, when a larger gear drives a smaller gear, the torque is increased, enabling the transmission of higher rotational force. Conversely, when a smaller gear drives a larger gear, the torque is reduced. This torque conversion capability allows gear pulleys to adapt the power output to the requirements of the driven component.
  3. Direction Control: Gear pulleys enable the control of rotational direction in power transmission systems. By using gears or pulleys in combination with other components such as idler gears or reversing pulleys, the direction of rotation can be changed. For example, meshing two gears in a gear system can transmit power in the same or opposite directions depending on their arrangement. Similarly, using pulleys with different groove orientations can alter the direction of belt-driven power transmission. This direction control capability allows gear pulleys to accommodate the specific needs of different components within a system.
  4. Power Distribution: Gear pulleys assist in the distribution of mechanical power to multiple driven components. By incorporating multiple gears or pulleys in a system, power can be split and transmitted to several output shafts. This is commonly seen in automotive transmissions, where gear pulley systems allow power to be distributed to different gears for different speed ratios. In industrial machinery, multiple pulleys can be used to drive various conveyor belts or auxiliary equipment simultaneously. This power distribution capability enables gear pulleys to efficiently transmit power to multiple components within a system.
  5. Mechanical Advantage: Gear pulleys provide mechanical advantage in power transmission systems. The mechanical advantage is the ratio of output force (torque) to input force (torque). By utilizing gears or pulleys with different sizes, gear pulleys can amplify or reduce the mechanical advantage. This allows for the adaptation of power transmission to match the specific requirements of the driven component. Gear pulleys enable the transmission of high torque at low speeds or low torque at high speeds, depending on the mechanical advantage needed.

Overall, gear pulleys assist in the transmission of mechanical power by controlling speed, torque, and direction, distributing power to multiple components, and providing mechanical advantage. Their ability to manipulate these parameters makes gear pulleys versatile and valuable components in various mechanical systems across industries.

China OEM CNC Cast Iron Large Diameter Stainless Steel Grooved Pully Belt Ratchet Wheel Pulley Flywheel Manufactures Gear   pulley assembly	China OEM CNC Cast Iron Large Diameter Stainless Steel Grooved Pully Belt Ratchet Wheel Pulley Flywheel Manufactures Gear   pulley assembly
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