reduction gear

简明释义

减速齿轮

英英释义

例句

1.When repairing the vehicle, we found that the reduction gear was worn out.

在修理车辆时，我们发现减速齿轮磨损严重。

2.The design of the reduction gear significantly affects the efficiency of the machine.

设计的减速齿轮对机器的效率有显著影响。

3.The reduction gear in this robotic arm allows for precise movements.

这个机器人手臂中的减速齿轮允许进行精确运动。

4.The engine's power is transmitted through the reduction gear to increase torque.

发动机的动力通过减速齿轮传递，以增加扭矩。

5.In wind turbines, the reduction gear helps convert high-speed rotation into low-speed output.

在风力涡轮机中，减速齿轮帮助将高速旋转转换为低速输出。

作文

In the world of mechanical engineering, one of the essential components that plays a crucial role in the functioning of various machines is the reduction gear. A reduction gear (减速器) is a type of gear system that reduces the speed of the input power source while increasing the torque output. This mechanism is fundamental in many applications, from automotive engines to industrial machinery, as it allows for efficient power transmission and control over speed and force. The primary purpose of a reduction gear is to adjust the output speed of an engine or motor to match the requirements of the application it serves. For example, in a vehicle, the engine generates a high amount of rotational speed, but the wheels need a lower speed to effectively propel the car forward. Without a reduction gear, the vehicle would be unable to operate efficiently, leading to potential damage or ineffective performance.Reduction gears come in various forms, including planetary gears, worm gears, and bevel gears, each serving specific functions based on the design and requirements of the machinery. Planetary gears are known for their compact size and high efficiency, making them ideal for applications where space is limited. Worm gears, on the other hand, provide a high reduction ratio in a relatively small package, which is beneficial in situations where significant speed reduction is necessary. Bevel gears allow for the transfer of power between shafts that are at an angle to each other, making them versatile in different setups.The efficiency of a reduction gear can significantly affect the overall performance of a machine. High-quality reduction gears minimize energy loss through friction and heat generation, ensuring that the maximum amount of input power is converted into useful work. Engineers often conduct thorough calculations and simulations to determine the optimal gear ratios and configurations to achieve the desired performance characteristics.In addition to their mechanical benefits, reduction gears also contribute to safety and reliability in machinery operation. By controlling the speed and torque, they help prevent mechanical failures that could arise from excessive speeds or loads. This is particularly important in heavy machinery used in construction and manufacturing, where the stakes are high, and the costs of failure can be substantial.Moreover, the use of reduction gears extends beyond traditional machinery. They are increasingly being integrated into renewable energy systems, such as wind turbines, where they play a vital role in converting the rotational energy of the blades into electrical energy. The ability to efficiently manage speed and torque is essential in maximizing energy production and ensuring the longevity of these systems.In conclusion, the reduction gear (减速器) is a fundamental component in mechanical engineering that facilitates the effective transfer of power by adjusting speed and torque. Its diverse applications across various industries highlight its importance in enhancing efficiency, safety, and reliability. As technology continues to advance, the design and functionality of reduction gears will likely evolve, further solidifying their role in modern engineering solutions.