stepped gear ratio

简明释义

级传动比

英英释义

例句

1.The bicycle uses a stepped gear ratio to allow riders to easily switch between different speeds.

这辆自行车使用分级齿比，让骑行者能够轻松切换不同的速度。

2.Understanding the stepped gear ratio helps in selecting the right bike for mountain trails.

理解分级齿比有助于选择适合山地小径的自行车。

3.In automotive engineering, a stepped gear ratio is crucial for optimizing engine performance.

在汽车工程中，分级齿比对优化发动机性能至关重要。

4.The motorcycle's transmission features a stepped gear ratio to enhance acceleration.

这款摩托车的变速箱采用了分级齿比以增强加速性能。

5.The stepped gear ratio allows for smoother transitions when shifting gears in a car.

在汽车中，分级齿比使换档时过渡更加平滑。

作文

Understanding the mechanics of machines often involves delving into the intricacies of various components, one of which is the gear system. Among the many terms associated with gears, the term stepped gear ratio stands out as a critical concept in mechanical engineering and automotive design. A stepped gear ratio refers to the varying ratios of gear sizes that allow for different speeds and torque outputs in machinery. This concept is essential for optimizing the performance of vehicles and other machinery, enabling them to operate efficiently under different conditions.To grasp the significance of stepped gear ratio, it is important to understand how gears function. Gears are circular objects with teeth that interlock with one another. When one gear turns, it causes the connected gear to turn as well. The size of the gears and the number of teeth they possess determine the gear ratio, which is the relationship between the input speed and output speed of the gears. In a stepped gear ratio system, there are multiple gears of different sizes that can be engaged in sequence, allowing for a transition between different gear ratios during operation.For instance, consider a bicycle with multiple gears. When a rider shifts from a smaller front gear to a larger one, they are effectively changing the stepped gear ratio. This change allows the cyclist to maintain an efficient pedaling speed while adjusting to various terrains, such as climbing hills or speeding on flat surfaces. The ability to switch between different gear ratios enhances the bike's versatility and performance, demonstrating the practical application of the stepped gear ratio concept.In automotive engineering, the stepped gear ratio plays a crucial role in the design of transmission systems. Vehicles typically have multiple gears that allow the engine to operate within its optimal power band. By utilizing a stepped gear ratio, engineers can ensure that the vehicle accelerates smoothly while maximizing fuel efficiency. For example, a car may start in a lower gear to gain initial acceleration, and as the speed increases, it shifts to higher gears with progressively larger ratios, maintaining a balance between speed and engine power.Moreover, the stepped gear ratio is not limited to bicycles and cars; it is also prevalent in various industrial machines and equipment. Conveyors, cranes, and even some household appliances utilize gear systems with stepped ratios to achieve desired operational speeds and forces. Understanding how to calculate and implement these ratios is vital for engineers and technicians working in fields that require precise motion control.In conclusion, the concept of stepped gear ratio is fundamental in the realm of mechanical systems. It allows for the efficient transfer of power and motion through various applications, from simple bicycles to complex automotive transmissions. By mastering the principles behind stepped gear ratio, engineers can design machines that perform optimally across a range of conditions, ultimately enhancing productivity and user experience. As technology continues to advance, the importance of understanding gear ratios will remain a cornerstone of mechanical engineering education and practice.

理解机器的机械原理通常涉及深入探讨各种组件的复杂性，其中之一就是齿轮系统。在与齿轮相关的众多术语中，stepped gear ratio（阶梯齿轮比）这一术语在机械工程和汽车设计中显得尤为重要。stepped gear ratio指的是不同齿轮大小的变化比率，这使得机器能够在不同的速度和扭矩输出下运行。这个概念对于优化车辆和其他机器的性能至关重要，使它们能够在不同条件下高效运作。为了理解stepped gear ratio的重要性，有必要了解齿轮的工作原理。齿轮是带有齿的圆形物体，它们相互啮合。当一个齿轮转动时，会导致连接的齿轮也转动。齿轮的大小和齿数决定了齿轮比，即齿轮输入速度与输出速度之间的关系。在stepped gear ratio系统中，有多个不同大小的齿轮可以顺序啮合，从而在操作过程中实现不同齿轮比之间的切换。例如，考虑一辆具有多种齿轮的自行车。当骑行者从较小的前齿轮切换到较大的前齿轮时，他们实际上是在改变stepped gear ratio。这种变化使骑行者能够在攀爬坡道或在平坦路面上加速时保持高效的踏板速度。切换不同齿轮比的能力增强了自行车的多功能性和性能，展示了stepped gear ratio概念的实际应用。在汽车工程中，stepped gear ratio在传动系统设计中发挥着至关重要的作用。车辆通常具有多个齿轮，使发动机能够在其最佳功率范围内运行。通过利用stepped gear ratio，工程师可以确保车辆平稳加速，同时最大限度地提高燃油效率。例如，一辆汽车可能在较低的齿轮中起步以获得初始加速，随着速度的增加，它会切换到具有逐渐增大比率的高齿轮，以保持速度与发动机功率之间的平衡。此外，stepped gear ratio不仅限于自行车和汽车；它还广泛应用于各种工业机器和设备中。输送机、起重机甚至一些家用电器都利用具有阶梯比的齿轮系统来实现所需的操作速度和力量。理解如何计算和实施这些比率对于在需要精确运动控制的领域工作的工程师和技术人员至关重要。总之，stepped gear ratio的概念在机械系统领域至关重要。它允许在各种应用中有效地传递动力和运动，从简单的自行车到复杂的汽车传动系统。通过掌握stepped gear ratio背后的原理，工程师可以设计出在各种条件下表现最佳的机器，从而最终提高生产力和用户体验。随着技术的不断进步，理解齿轮比的重要性将始终是机械工程教育和实践的基石。