crank throw

简明释义

曲柄半径

英英释义

例句

1.A larger crank throw can increase torque but may reduce engine speed.

更大的曲柄行程可以增加扭矩，但可能会降低发动机转速。

2.Understanding the crank throw is essential for optimizing the power output of a vehicle.

理解曲柄行程对于优化车辆的功率输出至关重要。

3.The engine's performance improved significantly after adjusting the crank throw.

在调整了曲柄行程后，发动机的性能显著提高。

4.The mechanic explained how the crank throw affects the stroke length in pistons.

机械师解释了曲柄行程如何影响活塞的行程长度。

5.During the rebuild, we had to measure the crank throw accurately to ensure compatibility.

在重建过程中，我们必须准确测量曲柄行程以确保兼容性。

作文

The term crank throw refers to the distance from the center of a crankshaft to the center of the connecting rod's pin. This measurement is crucial in the design and functionality of engines, particularly in internal combustion engines. The crank throw plays a significant role in determining the engine's stroke length, which ultimately affects its power output and efficiency. Understanding the mechanics behind crank throw can provide valuable insights into how engines convert fuel into motion.In essence, the crank throw is a pivotal component in the engine's architecture. It serves as the fulcrum around which the crankshaft rotates, translating the linear motion of the pistons into rotational motion that powers the vehicle. A larger crank throw generally means a longer stroke, which can allow for greater displacement and, consequently, more power. However, this also requires careful consideration of the engine's design, as a longer stroke can lead to increased friction and wear on the components.When engineers design an engine, they must strike a balance between the crank throw, the bore size, and the overall dimensions of the engine. Each of these factors influences not only the performance but also the durability and longevity of the engine. For instance, a small crank throw with a large bore may produce high RPMs but could sacrifice low-end torque, while a large crank throw might enhance torque at lower speeds but limit the engine's ability to rev high.Additionally, the crank throw is also important in the context of engine tuning and modifications. Car enthusiasts often experiment with different crankshaft configurations to optimize their vehicles for specific performance goals. By adjusting the crank throw, tuners can modify how an engine responds to throttle inputs, its power band, and even its sound. This is why understanding the implications of crank throw is essential for anyone looking to delve deeper into automotive engineering or performance modification.Moreover, the concept of crank throw extends beyond just traditional combustion engines. In electric motors and hybrid vehicles, the principles of converting linear motion to rotational motion still apply, albeit through different mechanisms. Engineers continue to innovate and adapt the principles of crank throw to suit new technologies, ensuring that this fundamental aspect of mechanical engineering remains relevant.In conclusion, the crank throw is a critical element in the field of engine design and performance. Its impact on stroke length, power output, and overall engine dynamics cannot be overstated. Whether one is a professional engineer or an automotive enthusiast, a solid understanding of crank throw is indispensable for anyone interested in the mechanics of engines. As technology continues to evolve, so too will the applications and significance of the crank throw, making it a topic worth exploring for years to come.

短语crank throw指的是曲轴中心到连杆销中心的距离。这个测量在发动机的设计和功能中至关重要，尤其是在内燃机中。crank throw在决定发动机的行程长度方面起着重要作用，这最终影响其功率输出和效率。理解crank throw背后的机械原理可以为我们提供有关发动机如何将燃料转化为运动的宝贵见解。本质上，crank throw是发动机结构中的关键组成部分。它作为曲轴旋转的支点，将活塞的线性运动转化为驱动车辆的旋转运动。较大的crank throw通常意味着更长的行程，这可以允许更大的排量，从而产生更多的动力。然而，这也需要对发动机设计进行仔细考虑，因为更长的行程可能导致组件之间的摩擦和磨损增加。当工程师设计发动机时，必须在crank throw、缸径和发动机的整体尺寸之间取得平衡。这些因素不仅影响性能，还影响发动机的耐用性和寿命。例如，小的crank throw与大的缸径可能会产生高转速，但可能牺牲低转矩，而大的crank throw可能在低速下增强转矩，但限制发动机的高转速能力。此外，crank throw在发动机调校和改装的背景下也很重要。汽车爱好者经常尝试不同的曲轴配置，以优化他们的车辆以实现特定的性能目标。通过调整crank throw，调校者可以修改发动机对油门输入的响应、功率带，甚至声音。这就是为什么理解crank throw的影响对于任何希望深入了解汽车工程或性能改装的人来说都是至关重要的。此外，crank throw的概念不仅限于传统的内燃发动机。在电动机和混合动力车辆中，将线性运动转化为旋转运动的原理仍然适用，尽管通过不同的机制。工程师们继续创新并调整crank throw的原理，以适应新技术，确保这一机械工程的基本方面保持相关性。总之，crank throw是发动机设计和性能领域的关键元素。它对行程长度、功率输出和整体发动机动态的影响不容小觑。无论是专业工程师还是汽车爱好者，扎实理解crank throw对于任何对发动机机械感兴趣的人来说都是不可或缺的。随着技术的不断发展，crank throw的应用和重要性也将不断演变，使其成为值得探索的话题。