assembled piston

简明释义

组合活塞

英英释义

例句

1.Before starting the engine, make sure the assembled piston is properly lubricated.

在启动引擎之前，确保组装活塞得到适当的润滑。

2.The engineer demonstrated how to replace an assembled piston in a diesel engine.

工程师演示了如何在柴油发动机中更换组装活塞。

3.During the assembly process, pay close attention to the assembled piston alignment.

在组装过程中，密切关注组装活塞的对齐。

4.An assembled piston can significantly improve engine performance if installed correctly.

如果正确安装，组装活塞可以显著提高引擎性能。

5.The mechanic carefully inspected the assembled piston for any signs of wear.

机械师仔细检查了组装活塞是否有磨损迹象。

作文

The world of automotive engineering is filled with complex components, each playing a vital role in the overall performance of a vehicle. One such critical component is the assembled piston, which is essential for the engine's operation. An assembled piston refers to the piston that has been put together with all its necessary parts, including the piston rings, wrist pin, and connecting rod, ready for installation into the engine block. Understanding the function and assembly of this component is crucial for anyone interested in automotive mechanics.The primary function of the assembled piston is to convert the energy produced from combustion into mechanical power. When the air-fuel mixture ignites within the engine's cylinder, it creates a high-pressure environment that forces the assembled piston downwards. This downward motion is what ultimately turns the crankshaft, leading to the movement of the vehicle. Therefore, the design and quality of the assembled piston can significantly influence an engine's efficiency and performance.Manufacturing an assembled piston involves several steps. First, the piston body is typically made from aluminum or forged steel, materials chosen for their strength-to-weight ratio and thermal conductivity. Once the piston body is formed, the next step is to add the piston rings, which are crucial for maintaining compression and preventing oil from entering the combustion chamber. The rings are carefully fitted to ensure a proper seal, as even a small gap can lead to significant power loss and increased emissions.After the rings are installed, the wrist pin is inserted. The wrist pin connects the piston to the connecting rod, allowing for the transfer of force. The final step in creating an assembled piston is to ensure that all components are aligned correctly and securely fastened. Quality control is paramount at this stage, as any defects could lead to catastrophic engine failure.In recent years, advancements in technology have led to the development of high-performance assembled pistons designed to withstand extreme conditions. These modern pistons often feature lightweight materials and innovative designs that enhance durability and efficiency. For example, some manufacturers utilize coatings that reduce friction, allowing the assembled piston to operate more smoothly and with less wear over time.Aside from performance benefits, the design of the assembled piston also plays a role in fuel efficiency and emissions. Engineers continuously strive to create pistons that maximize the combustion process while minimizing waste. This focus on sustainability is becoming increasingly important as the automotive industry moves towards greener technologies.In conclusion, the assembled piston is a fundamental component of internal combustion engines, integral to converting energy into motion. Its assembly requires precision and expertise, as even minor errors can result in significant performance issues. As technology advances, the assembled piston continues to evolve, offering improved efficiency and sustainability in automotive design. For anyone interested in the mechanics of vehicles, understanding the assembled piston is essential for grasping how engines function and how they can be optimized for better performance and lower environmental impact.

汽车工程的世界充满了复杂的组件，每个组件在车辆的整体性能中都发挥着至关重要的作用。其中一个关键组件就是组装活塞，它对于发动机的运行至关重要。组装活塞是指已经将所有必要部件（包括活塞环、销轴和连杆）组装在一起，准备安装到发动机缸体中的活塞。理解这个组件的功能和组装过程对于任何对汽车机械感兴趣的人来说都是至关重要的。组装活塞的主要功能是将燃烧产生的能量转化为机械动力。当空气-燃料混合物在发动机气缸内点燃时，会产生高压环境，迫使组装活塞向下移动。这种向下的运动最终使曲轴转动，从而推动车辆的移动。因此，组装活塞的设计和质量可以显著影响发动机的效率和性能。制造组装活塞涉及几个步骤。首先，活塞主体通常由铝或锻造钢制成，这些材料因其强度与重量比以及热导率而被选中。一旦活塞主体形成，下一步是添加活塞环，活塞环对于维持压缩和防止油进入燃烧室至关重要。活塞环被仔细安装，以确保良好的密封，因为即使是微小的间隙也会导致显著的动力损失和排放增加。在环安装后，销轴被插入。销轴将活塞连接到连杆，允许力的传递。创建组装活塞的最后一步是确保所有组件正确对齐并安全固定。在这一阶段，质量控制至关重要，因为任何缺陷都可能导致灾难性的发动机故障。近年来，技术的进步导致高性能的组装活塞的开发，这些活塞设计用于承受极端条件。这些现代活塞通常采用轻质材料和创新设计，增强耐用性和效率。例如，一些制造商使用涂层来减少摩擦，使得组装活塞能够更顺畅地运行，磨损更少。除了性能优势外，组装活塞的设计还在燃油效率和排放中发挥着作用。工程师们不断努力创造能够最大化燃烧过程同时最小化废物的活塞。对可持续性的关注变得越来越重要，因为汽车行业正朝着更环保的技术发展。总之，组装活塞是内燃机的基本组件，对于将能量转化为运动至关重要。它的组装需要精确和专业知识，因为即使是微小的错误也可能导致显著的性能问题。随着技术的进步，组装活塞继续发展，提供更高的效率和可持续性，适用于汽车设计。对于任何对车辆机械感兴趣的人来说，理解组装活塞是掌握发动机功能及其优化以改善性能和降低环境影响的基础。