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Low speed gearbox Manufacturers

Low speed gearboxes usually use one or two-stage gear transmission, with single helical cylindrical gears and rolling bearings to adapt to low speed conditions.



Hangzhou Weihao Clutch Co., Ltd.

Who Are We

Hangzhou Weihao Clutch Co., Ltd is Low-speed Gearbox Manufacturers and Low Speed Gearbox Suppliers, founded in 1992. The company integrates design and manufacture, and mainly provides various supporting gearboxes for fishing, dredging engineering,environmental-protection engineering, various conservancy projects, metallurgy, minerals, electric power, coals.
In addition, in order to enhance technical capabilities and absorb manufacturing technology from various countries around the world, the company also undertakes large-scale imported gearbox maintenance business and has successfully repaired gearboxes imported from countries such as the Netherlands, Japan, South Korea, Germany, and the United States.

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Industry knowledge

What are some common applications for low speed gearboxes?

1. Conveyor Systems: Low speed gearboxes are often used in conveyor systems to regulate the speed and torque required to move heavy loads. These gearboxes help in maintaining a consistent speed and preventing any sudden jerks or changes in direction.
2. Industrial Mixers: In industries such as food processing, pharmaceuticals, or chemicals, mixers are used to combine ingredients or substances. Low speed gearboxes are used in these mixers to ensure a slow and thorough mixing process at higher torque levels.
3. Mining Equipment: Mining operations involve heavy machinery that requires high levels of torque to excavate and move materials. Low speed gearboxes are commonly found in mining equipment such as crushers, conveyors, and excavators, enabling slow and powerful movements to handle the tough terrains and heavy loads.
4. Wind Turbines: Wind turbines need to convert the low wind speed into sufficient rotational speed to generate electricity. Low speed gearboxes help increase the rotational speed of the blades, allowing the generator to generate electricity efficiently.
5. Heavy-duty Drilling Equipment: Drilling operations, whether in oil and gas exploration or construction projects, require high torque and low speed to penetrate hard surfaces. Low speed gearboxes are commonly used in drilling equipment, providing the necessary power to drill through tough materials.
6. Marine Propulsion Systems: Low speed gearboxes are widely used in marine vessels for propulsion systems. By connecting the engine to the propeller, the gearbox reduces the high-speed rotation of the engine to the required low-speed rotation of the propeller. This ensures effective propulsion and control of the vessel.
7. Agitators and Stirrers: In various chemical and manufacturing processes, low speed gearboxes are employed in agitators and stirrers. These gearboxes facilitate gentle mixing and blending of substances, ensuring the perfect combination without causing any damage or separation.
8. Paper and Pulp Industry: The production of paper and pulp involves various high-torque machinery, such as pulpers, rotary digesters, and roll drives. Low speed gearboxes are utilized in these machines to ensure slow and controlled movements necessary for efficient paper production.

How does the gear ratio in a low speed gearbox affect the output torque and rotational speed?

In a low speed gearbox, the gear ratio plays a crucial role in determining the output torque and rotational speed of the system. The gear ratio refers to the ratio of the number of teeth on the driving gear to the number of teeth on the driven gear.
Firstly, let's understand the concept of gear ratio. A gear ratio is expressed as ""N1/N2,"" where N1 is the number of teeth on the driving gear and N2 is the number of teeth on the driven gear. The gear ratio determines how many times the driving gear must rotate to make the driven gear complete one full revolution.
In terms of torque, the gear ratio in a low speed gearbox is inversely proportional to the torque output. This means that as the gear ratio increases, the torque output decreases. Conversely, when the gear ratio decreases, the torque output increases. This concept is based on the principle of mechanical advantage. A higher gear ratio increases the speed of the output shaft relative to the input shaft but reduces the torque applied to the output shaft.
For example, if the gear ratio is 1:5, this means that for every one rotation of the driving gear, the driven gear will complete five rotations. In this case, the output speed will be higher, but the torque will be lower compared to the input speed and torque. On the other hand, if the gear ratio is 1:1, the output speed will match the input speed, and the torque will also be the same. This is known as a direct-drive configuration.
The relationship between gear ratio and rotational speed is also influenced by the concept of conservation of energy and power. In a gearbox, the product of torque and rotational speed must remain constant. This means that as the gear ratio increases, the rotational speed of the output shaft decreases, and vice versa. Consequently, a larger gear ratio reduces the rotational speed of the output shaft, while a smaller gear ratio increases it.
It is important to note that while changing the gear ratio affects torque and rotational speed, it does not change the power transmitted through the system. Power is the product of torque and rotational speed and remains constant as long as there are no energy losses.