tooth undercut

简明释义

根切

英英释义

例句

1.The dentist explained that the tooth undercut 牙齿下凹 might require a filling to prevent further decay.

牙医解释说，tooth undercut 牙齿下凹 可能需要填充以防止进一步的腐烂。

2.A severe tooth undercut 牙齿下凹 can lead to misalignment of the jaw over time.

严重的 tooth undercut 牙齿下凹 会导致下颌随着时间的推移而错位。

3.During the inspection, we noticed a significant tooth undercut 牙齿下凹 on the molar.

在检查过程中，我们注意到磨牙上有明显的 tooth undercut 牙齿下凹 。

4.The orthodontist recommended braces to correct the tooth undercut 牙齿下凹 before proceeding with any cosmetic work.

正畸医生建议在进行任何美容工作之前，先矫正 tooth undercut 牙齿下凹 。

5.After the X-ray, the dentist confirmed the presence of a tooth undercut 牙齿下凹 that needed attention.

在X光检查后，牙医确认存在需要处理的 tooth undercut 牙齿下凹 。

作文

The design and engineering of mechanical components require a deep understanding of various terminologies and concepts. One such term that often comes up in discussions about gears and similar mechanisms is tooth undercut. The tooth undercut refers to a specific geometric feature in the profile of a gear tooth that can affect its strength and performance. When designing gears, engineers must consider how the tooth undercut may influence the load distribution and overall efficiency of the gear system.To understand the importance of tooth undercut, it's essential to first grasp how gear teeth are typically shaped. Gears are designed with teeth that mesh together to transmit motion and force. The ideal shape for these teeth is crucial for minimizing wear and ensuring smooth operation. However, when the gear teeth are cut at certain angles or depths, an undercut can occur. This means that part of the tooth profile is removed, creating a weaker section that can lead to potential failure under load.In practical applications, tooth undercut can be seen in various types of gears, including spur gears and helical gears. For instance, in spur gears, if the tooth undercut is too pronounced, it can lead to improper meshing with the mating gear, resulting in increased noise, vibration, and even premature wear. Therefore, engineers must carefully calculate the dimensions and angles during the manufacturing process to avoid excessive undercutting.Moreover, the presence of tooth undercut can also impact the manufacturability of gears. If the undercut is significant, it may complicate the machining process, making it more challenging and costly to produce high-quality gears. This aspect highlights the need for precise design practices and adherence to industry standards to ensure that the final product meets the required specifications without compromising performance.Another critical factor related to tooth undercut is its effect on the load-carrying capacity of gears. Gears with minimal undercut are generally able to carry higher loads due to their more robust tooth structure. Conversely, those with significant undercut may experience stress concentrations that could lead to fatigue failure over time. This relationship underscores the importance of balancing design aesthetics with functional requirements in gear design.In conclusion, the concept of tooth undercut is integral to the field of mechanical engineering, particularly in the design and manufacture of gears. Understanding this term helps engineers make informed decisions that enhance the reliability and efficiency of mechanical systems. As technology progresses, the methods for analyzing and mitigating the effects of tooth undercut will continue to evolve, allowing for the production of even more advanced and durable gear systems. Ultimately, recognizing the significance of tooth undercut is essential for anyone involved in the design, manufacturing, or maintenance of mechanical components.

机械部件的设计和工程需要深入理解各种术语和概念。其中一个在讨论齿轮和类似机制时经常出现的术语是tooth undercut。tooth undercut指的是齿轮齿轮廓中的特定几何特征，这可能会影响其强度和性能。在设计齿轮时，工程师必须考虑tooth undercut如何影响负载分布和齿轮系统的整体效率。要理解tooth undercut的重要性，首先需要掌握齿轮齿通常是如何形状的。齿轮的设计是为了使齿相互啮合以传递运动和力量。这些齿的理想形状对于最小化磨损和确保平稳运行至关重要。然而，当齿轮齿以某些角度或深度切割时，可能会发生欠切。这意味着齿轮齿轮廓的一部分被去除，形成一个较弱的部分，可能导致在负载下的潜在故障。在实际应用中，可以在各种类型的齿轮中看到tooth undercut，包括直齿轮和斜齿轮。例如，在直齿轮中，如果tooth undercut过于明显，可能会导致与配对齿轮的不当啮合，导致噪音、振动增加，甚至过早磨损。因此，工程师必须在制造过程中仔细计算尺寸和角度，以避免过度欠切。此外，tooth undercut的存在还可能影响齿轮的可制造性。如果欠切显著，可能会使加工过程复杂化，使生产高质量齿轮变得更加困难和昂贵。这一方面突显了精确设计实践和遵循行业标准的重要性，以确保最终产品符合所需规格而不妥协性能。与tooth undercut相关的另一个关键因素是其对齿轮承载能力的影响。欠切最小的齿轮通常能够承受更高的负载，因为它们的齿结构更为坚固。相反，那些欠切显著的齿轮可能会经历应力集中，随着时间的推移可能导致疲劳故障。这种关系强调了在齿轮设计中平衡设计美学与功能要求的重要性。总之，tooth undercut的概念在机械工程领域，特别是在齿轮的设计和制造中是不可或缺的。理解这个术语帮助工程师做出明智的决策，从而提高机械系统的可靠性和效率。随着技术的发展，分析和减轻tooth undercut影响的方法将继续演变，使得生产出更先进、更耐用的齿轮系统成为可能。最终，认识到tooth undercut的重要性对于任何参与机械部件设计、制造或维护的人来说都是至关重要的。