crankshafts

简明释义

英[ˈkræŋkʃɑːfts]美[ˈkræŋkˌʃæfts]

曲（柄）轴（crankshaft 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The crankshafts are the key components for automobile engines and other internal-combustion engines, they are in great demand, various in kinds and strict demands for precision.

曲轴是汽车发动机和其他内燃机的关键零件，需求量大，种类众多，加工精度要求高。

2.This section describes the servicing of crankshafts, main bearings, and engine Blocks and cylinders.

本节介绍曲轴、主轴承、发动机机体和气缸的维修。

3.A measurement system for unbalance signals of crankshafts, which is mainly based on an industrial control computer, is introduced.

介绍了一种以工业控制计算机为核心的曲轴不平衡信号检测系统。

4.A lot of experimental data showed that the unbalanced crankshafts have harmful effects to the engines. For this reason, the unbalanced value should be kept as small as possible.

大量的实验数据表明，曲轴不平衡对发动机有很大影响，为此，应尽量减少不平衡量。

5.Parameter measurement for rubber absorbers on crankshafts is necessary in the design, manufacture and maintenance of some internal combustion engine.

曲轴橡胶减振器的特性测试是内燃机设计、制造和维修中必不可少的测试手段。

6.This paper describes main reinforcing methods for crankshafts of medium -bored high - speed diesel engines.

本文概述了中等缸径高速柴油机曲轴的主要强化方法。

7.Since 1974 the research work on gas soft nitriding of nodular cast iron crankshafts used in agricultural diesel engine has started.

用气体软氮化强化农用柴油机球铁曲轴的研究始于1974年。

8.The distortion law of high-speed diesel crankshafts during nitriding was studied. The influence of crankshafts shape and nitriding process parameters on the distortion was analyzed.

找出了高速大功率柴油机曲轴在自然放置状态下的渗氮畸变规律，分析了曲轴的形状及渗氮工艺参数对曲轴畸变的影响。

9.The torsional vibration absorbers of reciprocating piston engine crankshafts are the earliest and most commonly used kind of damped dynamic vibration absorbers.

往复活塞式发动机曲轴扭振吸振器是应用得最早且最普通的一类阻尼式动力吸振器。

10.The engine's performance greatly depends on the quality of the crankshafts.

发动机的性能在很大程度上取决于曲轴的质量。

11.Manufacturers often use advanced materials to produce crankshafts for better durability.

制造商通常使用先进材料来生产曲轴以提高耐用性。

12.When rebuilding an engine, inspecting the crankshafts is crucial.

在重建发动机时，检查曲轴是至关重要的。

13.High-performance cars often have custom crankshafts designed for optimal power output.

高性能汽车通常配有为最佳功率输出设计的定制曲轴。

14.A bent crankshaft can lead to severe engine damage if not addressed promptly.

如果不及时处理，弯曲的曲轴可能会导致严重的发动机损坏。

作文

In the world of engineering and mechanics, understanding the components that drive machinery is essential. One such crucial component is the crankshafts, which play a vital role in converting linear motion into rotational motion. This transformation is fundamental in various engines, including those found in cars, motorcycles, and even airplanes. The crankshaft serves as the backbone of an engine, ensuring that power generated from combustion is effectively utilized to propel the vehicle forward. The design of crankshafts is intricate, as they must withstand immense forces and vibrations during operation. Typically made from high-strength steel or iron, these components are engineered to be both durable and lightweight. The shape of a crankshaft resembles a long rod with several bends, known as throws, which correspond to the engine's cylinders. Each throw is connected to a piston, allowing the crankshaft to convert the up-and-down movement of the pistons into a smooth, continuous rotation. One of the significant advancements in crankshaft technology is the introduction of counterweights. These weights are strategically placed on the crankshaft to balance the engine and reduce vibrations. This innovation has led to smoother engine performance and increased longevity of the engine components. Additionally, modern manufacturing techniques, such as computer numerical control (CNC) machining, allow for precise shaping and balancing of crankshafts, ensuring optimal performance under various operating conditions. The importance of crankshafts extends beyond just performance; they also have a direct impact on fuel efficiency and emissions. A well-designed crankshaft can lead to better fuel atomization and combustion, resulting in lower fuel consumption and reduced harmful emissions. As automotive regulations become stricter, manufacturers are increasingly focusing on optimizing crankshafts to meet environmental standards while maintaining performance. In addition to their role in traditional internal combustion engines, crankshafts are also finding applications in electric vehicles (EVs). While EVs do not rely on crankshafts for propulsion in the same way that conventional vehicles do, understanding the principles behind crankshafts can help engineers design more efficient electric drivetrains. For example, some hybrid systems use a crankshaft to connect the electric motor with the internal combustion engine, allowing for seamless transitions between the two power sources. In conclusion, the crankshafts are a fundamental component in the realm of mechanical engineering, serving as the heart of many engines. Their ability to convert linear motion to rotational motion makes them indispensable in various applications, from automobiles to aircraft. As technology continues to evolve, the design and functionality of crankshafts will likely advance, leading to more efficient and powerful engines. Understanding the role of crankshafts not only enhances our appreciation for engineering but also highlights the ongoing innovations that drive the automotive industry forward.

在工程和机械的世界中，理解驱动机械的组件至关重要。其中一个关键组件是曲轴，它在将线性运动转换为旋转运动方面发挥着重要作用。这种转变在各种发动机中都是基础，包括汽车、摩托车甚至飞机。曲轴作为发动机的支柱，确保从燃烧中产生的动力被有效利用，以推动车辆前进。 曲轴的设计复杂，因为它们必须在运行过程中承受巨大的力量和振动。通常由高强度钢或铁制成，这些组件经过工程设计，既耐用又轻便。曲轴的形状类似于一根长杆，带有多个弯曲部分，称为曲柄，对应于发动机的气缸。每个曲柄与活塞连接，使得曲轴能够将活塞的上下运动转换为平稳的连续旋转。 曲轴技术的一项重大进步是平衡重的引入。这些重量被战略性地放置在曲轴上，以平衡发动机并减少振动。这一创新导致了更平稳的发动机性能，并延长了发动机组件的使用寿命。此外，现代制造技术（如计算机数控（CNC）加工）允许对曲轴进行精确的成型和平衡，确保在各种操作条件下的最佳性能。 曲轴的重要性不仅仅体现在性能上；它们还直接影响燃油效率和排放。设计良好的曲轴可以改善燃油雾化和燃烧，从而降低燃油消耗和减少有害排放。随着汽车法规变得越来越严格，制造商越来越关注优化曲轴以满足环境标准，同时保持性能。 除了在传统内燃机中的作用外，曲轴还在电动车（EV）中找到了应用。虽然电动车不依赖于曲轴来推进，但理解曲轴背后的原理可以帮助工程师设计更高效的电动驱动系统。例如，一些混合动力系统使用曲轴将电动机与内燃机连接，实现两种动力源之间的无缝切换。 总之，曲轴是机械工程领域的基本组件，作为许多发动机的核心。它们将线性运动转换为旋转运动的能力使其在汽车到航空器等各种应用中不可或缺。随着技术的不断发展，曲轴的设计和功能可能会不断进步，从而导致更高效、更强大的发动机。理解曲轴的作用不仅增强了我们对工程的欣赏，也突显了推动汽车工业向前发展的持续创新。