screw thread

简明释义

螺纹；螺丝牙

英英释义

例句

1.The screw thread 螺纹 on this bolt is damaged and needs to be replaced.

这个螺栓上的<段>螺纹损坏了，需要更换。

2.The engineer explained how the screw thread 螺纹 affects the strength of the joint.

工程师解释了如何影响连接强度的<段>螺纹。

3.He used a lubricant to reduce friction on the screw thread 螺纹 during installation.

他在安装过程中使用润滑剂来减少<段>螺纹的摩擦。

4.The design requires a left-handed screw thread 螺纹 for proper functionality.

该设计要求使用左旋<段>螺纹以确保正常功能。

5.When assembling the furniture, make sure the screw thread 螺纹 is aligned properly.

在组装家具时，确保<段>螺纹正确对齐。

作文

The concept of a screw thread is fundamental in the world of mechanics and engineering. A screw thread refers to the helical structure that wraps around a cylindrical core, allowing for the conversion of rotational motion into linear motion. This simple yet ingenious design has been utilized in countless applications, from fastening components together to enabling precise movements in machinery.In everyday life, we encounter screw threads more often than we realize. For instance, when we use a bottle cap, we are engaging with a screw thread mechanism. The cap features an internal screw thread that fits onto the external screw thread of the bottle neck. By turning the cap, we can easily open or close the bottle, demonstrating how screw threads facilitate convenience in our daily activities.The importance of screw threads extends beyond household items; they are critical in various industries. In construction, bolts and nuts rely on screw threads to secure structures, ensuring stability and safety. In automotive engineering, the assembly of engines and other components heavily depends on screw threads to hold parts together under high stress and vibration. Without the reliable performance of screw threads, many mechanical systems would fail to function effectively.Moreover, the design of a screw thread can significantly impact its strength and efficiency. Different types of screw threads exist, including metric, unified, and square threads, each serving specific purposes. For example, a fine pitch screw thread allows for greater precision in adjustments, while a coarse pitch screw thread provides quicker assembly and disassembly. Understanding these variations is crucial for engineers and designers who aim to optimize their products for performance and durability.In addition to their mechanical applications, screw threads also represent a fascinating intersection of mathematics and physics. The geometry of a screw thread can be analyzed through mathematical principles, revealing insights into force distribution and torque. Engineers often employ formulas to calculate the optimal dimensions and angles for screw threads, ensuring that they can withstand the forces they will encounter in their intended applications.As technology advances, the evolution of screw threads continues. Innovations such as self-locking screw threads and anti-vibration designs have emerged to address modern challenges in engineering. These advancements not only enhance the reliability of mechanical assemblies but also contribute to the development of safer and more efficient machines.In conclusion, the significance of screw threads cannot be overstated. They are integral to both simple and complex systems, providing functionality and reliability across numerous fields. As we continue to innovate and improve our technological capabilities, the role of screw threads will undoubtedly remain pivotal in shaping the future of engineering and design. Whether in our homes or within industrial applications, screw threads exemplify the brilliance of human ingenuity and the importance of understanding fundamental mechanical principles.

螺纹的概念在机械和工程领域中是基础性的。screw thread指的是环绕圆柱核心的螺旋结构，允许将旋转运动转换为线性运动。这种简单而巧妙的设计已在无数应用中得到利用，从将组件固定在一起到使机器中的精确运动成为可能。在日常生活中，我们比我们意识到的更频繁地遇到screw threads。例如，当我们使用瓶盖时，我们正是在与screw thread机制互动。瓶盖内有一个内螺纹，适合瓶颈的外螺纹。通过旋转瓶盖，我们可以轻松打开或关闭瓶子，展示了screw threads如何方便我们的日常活动。screw threads的重要性超越了家庭用品；它们在各个行业中至关重要。在建筑中，螺栓和螺母依赖于screw threads来固定结构，确保稳定性和安全性。在汽车工程中，发动机和其他组件的组装在很大程度上依赖于screw threads在高应力和振动下将部件固定在一起。如果没有screw threads的可靠性能，许多机械系统将无法有效运作。此外，screw thread的设计可以显著影响其强度和效率。存在不同类型的screw threads，包括公制、统一和方形螺纹，每种都有特定用途。例如，细螺距的screw thread允许更精确的调整，而粗螺距的screw thread则提供更快的组装和拆卸。理解这些变化对于旨在优化产品性能和耐用性的工程师和设计师至关重要。除了机械应用，screw threads还代表着数学和物理学的迷人交集。可以通过数学原理分析screw thread的几何形状，揭示出力的分布和扭矩的见解。工程师通常使用公式来计算screw threads的最佳尺寸和角度，确保它们能够承受在预期应用中遇到的力量。随着技术的进步，screw threads的演变仍在继续。自锁式screw threads和抗振动设计等创新已出现，以应对现代工程中的挑战。这些进步不仅提高了机械装配的可靠性，还促进了更安全和更高效机器的发展。总之，screw threads的重要性不容小觑。它们是简单和复杂系统的组成部分，在多个领域提供功能性和可靠性。随着我们继续创新和提高技术能力，screw threads的角色无疑将在塑造工程和设计的未来中保持关键。无论是在我们的家中还是在工业应用中，screw threads都体现了人类智慧的辉煌以及理解基本机械原理的重要性。